fflush changed the topic of #ruby to: Ruby 1.9.3-p194: http://ruby-lang.org || Paste > 3 lines of text on pastebin.com
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<elico> ruby is the first language a actually wrote code longer then 1000 lines
<elico> with a lot of one liners..
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<elico> shevy: so what about the trees?
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<shevy> every day some water then your trees will prosper
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<elico> i have two small plant in pots here near the room.. very nice.. quiet
<shevy> I think my largest project in ruby has about 12k lines of code
<shevy> and I am trying to reduce that number
<elico> what to?
<elico> 12 K lines? what did you wrote?
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<adeponte> Axsuul: hey, just letting you know. After putting that gem to heavy use toady I have found some issues and have been rewritting it to resolve all of those issue
<lukekhamilton> question, is it possible to add two ranges? something like this: x = (1..10) + ("a"..z")?
<shevy> it's some kind of build system where you can compile or install software elico
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<shevy> "ry perl" will compile perl from source for instance
<lukekhamilton> I am trying to create an array of valid characters.
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<shevy> lukekhamilton so what should your end result be
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<elico> shevy: and i must ask how are you with orginizing data?(i'm bad at it)
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<shevy> elico, I only use yaml files so far. at a later time, I'll generate a sqlite3 database from the dataset I have (I have 2400 separate yaml files right now, one file for every program)
<lukekhamilton> shevy: [,1,2,3,4,5,6,7,8,9,0,"a",b",c",etc….]
<elico> yes you told me...
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<elico> i needed a reminder
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<shevy> even when I'll have a database, I won't have too much data
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<shevy> 2400 yaml files, average 8 lines per file... about 20.000 lines of data
<shevy> lukekhamilton, x = (1..10).to_a + ('a'..'z').to_a # => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]
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<macer1> >> (1..10).to_a + ('a'..'z').to_a
<al2o3cr> (Array) [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]
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<lukekhamilton> shevy: ok cool
<lukekhamilton> I wasn't too sure if that was they easy/Ruby way or not
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<shevy> well we just make them arrays, then concat them
<shevy> the range objects
<shevy> Range does not seem to like + method
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<shevy> (1..200) + (300..500) NoMethodError: undefined method `+' for 1..200:Range
<shevy> dunno why
<shevy> perhaps because it could be ambigous
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<shevy> hmm
<shevy> or perhaps it would change the Range object into something else
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<lukekhamilton> yeah ok. Thanks heaps
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<butblack> I was reading about OO programming and read this line "Most OO languages require a class to be defined before we can have a new kind of object, but ruby does not" … I don't understand how ruby does not?
<shevy> I guess they dont like changing objects via methods
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<shevy> except for replace() method in class String
<butblack> anytime I instantiate a class I have already defined that class no?
<butblack> instantiate an object*
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<shevy> butblack, you could create structs or anonymous classes too
<lolzie> Hi guys. I have this:- print (1..1000).select { |x| x % 3 == 0 or x % 5 == 0 }.inject { |x, y| x + y }
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<shevy> or autogenerate them somehow via metaprogramming
<lolzie> How can I remove the duplication of x % 3 == 0 or x % 5 == 0 ?
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<lolzie> I'd like to do something like [3, 5].something { |y| }
<shevy> butblack, for 99% of what I see though, people first write a class, then instantiate that
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<butblack> shevy: i don't understand the importance of writing out that line..
<lolzie> The intention being to sum all numbers divisible by 3 or 5 between 1 and 1000
<shevy> the line you typed here?
<butblack> shevy: I can live with that, and yeah
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<shevy> no idea either, ask the authors. perhaps they want to sound important :)
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<shevy> ruby is quite close to the prototypic OOP model
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<shevy> once I thought I could use only structs to write a MUD in ruby
<butblack> shevy: it was written by matz
<lolzie> shevy: how does it differ from the prototyping OO model?
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<shevy> butblack, aha. well I hope he explained it then
<lolzie> prototypic*
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<shevy> lolzie, well you can instantiate from a prototype, and then remodel that prototype, then re-instantiate from that clone, or?
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<butblack> shevy: haha, I'll post the paragraph it came from.. I apologize in advance for the excessive amount of text
<butblack> We commonly take one step of abstraction above this, because it turns out to be as easy to build a factory that makes machines as it is to make an individual machine. We aren't likely to build a single tripmeter directly; rather, we arrange for any number of tripmeters to be built from a single pattern. The pattern (or if you like, the tripmeter factory) corresponds to what we call a class, and an individual tripmet
<butblack> generated from the pattern (or made by the factory) corresponds to an object. Most OO languages require a class to be defined before we can have a new kind of object, but ruby does not.
<shevy> hmm
<shevy> I think he meant java
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<butblack> shevy: that's pretty much what i read
<butblack> and it has the same parahraph
<butblack> paragraph, same line
<shevy> are you sure matz wrote that?
<butblack> second last paragraph
<butblack> file://localhost/Volumes/Untitled/rg/about.html
<butblack> whoop[s
<butblack> hahaha
<shevy> aha
<shevy> japanese original, translated by GOTO
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<butblack> yeah
<butblack> i was typing something may have been lost in translation
<shevy> hehe
<shevy> did you read the interview from matz in 2003?
<butblack> no
<butblack> link me?
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<shevy> he gives sound reasons for his answers there
<butblack> shevy: cool, thanks
<shevy> so I was surprised to read something like that you said he wrote
<butblack> shevy: it didn't make much sense to me either
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<shevy> because I am not entirely sure what he would mean with "Most OO languages require a class to be defined before we can have a new kind of object, but ruby does not."
<shevy> because really... 99% of the ruby examples, do make use of a newly written class, before its instantiated
<butblack> because that's all oo is lol, create a class instantiate an object
<butblack> exactly
<shevy> kinda. with structs you are more flexible in some ways
<jrajav> >> x = 7; [3, 5].map { |y| x.modulo(y) }
<al2o3cr> (Array) [1, 2]
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<jrajav> lolzie: ^
<shevy> Sword = Struct.new(:length, :weight)
<shevy> sword = Sword.new(120, 4.5) # => #<struct Sword length=120, weight=4.5>
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<shevy> I dunno why I never continued with this idea for the MUD :(
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<ComradeBlack> shevy: MUDs?
<butblack> from what i understand struct is just a more flexible class definition
<shevy> just one engine ComradeBlack :P
<ComradeBlack> I love MUDs :D
<shevy> ged here once created faerieMUD
<SubliminalKid> shevy, your writing a MUD?
<SubliminalKid> :o
<SubliminalKid> I love MUDing
<shevy> SubliminalKid dunno... it takes so much effort and time ...
<SubliminalKid> shevy, I am really tempted to write a game using curses and ruby.
<jrajav> I like mud wrestling
<jrajav> Does that count?
<lolzie> jrajav: the x % 3 == 0 or x % 5 == 0 part needs to return true or false
<SubliminalKid> ever play Liberal Crime Squad?
<shevy> SubliminalKid, but I kind of want to see "what if it were possible"
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<shevy> and if you know LPC, ruby could easily replace it
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<lolzie> jrajav: substituting it by your code didn't produce the correct answer so I think it's not quite an analog
<jrajav> lolzie: Oh. I'm sorry I answered your question instead of doing all the integration work :P
<SubliminalKid> le
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<jrajav> Well, let's see, given the array returned by my example, you want at least one element == 0, right?
<lolzie> Hmm, yeah
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<shevy> SubliminalKid one nice idea ged had was to make the MUD story-centric
<SubliminalKid> shevy, just make a one player game
<SubliminalKid> using curses
<SubliminalKid> :p
<shevy> I hate curses
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<shevy> whoever designed that API should be slowly tortured
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<SubliminalKid> shevy, is curses and ruby bad?
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<elico> shevy: if you find him pick me up on the way to kill!
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<shevy> SubliminalKid I just find curses unusable really
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<SubliminalKid> :(
<SubliminalKid> shevy, i want to make something in the style of LCS though
<shevy> what is LCS?
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<lolzie> jrajav: cheers for the help. I didn't understand the relevance of it even being integrable til you clarified with the hint
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<jrajav> ;)
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<shevy> jrajav is an old ruby expert
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<jrajav> Hahahahahaha
<jrajav> hahaha
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<shevy> he wrote an undestroyable, unbreakable bot in ruby
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<jrajav> It can be destroyed by Freenode :P
<shevy> and Hanmac :D
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<elico> shevy: undestroyable ??
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<elico> but what this bot allows?
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<jrajav> A lot more than a normal sandbox
<elico> how can access it?
<jrajav> >> p 'heya'
<al2o3cr> (String) "heya", Console: "heya"
<jrajav> >> 1 + 2
<al2o3cr> (Fixnum) 3
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<shevy> elico the question is not how we can access it
<shevy> the question is:
<shevy> How can we break it?
<elico> what i ment was... how can i get hold of the source?
<shevy> >> sleep while 5 > 4
<shevy> elico, I think it is on github somewhere
<shevy> in some dark corners of github
<shevy> the abyss...
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<elico> NICE
<jrajav> elico: github.com/jrajav
<jrajav> /al2o3cr
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<elico> thanks
<shevy> is al2o3cr a gem too?
<shevy> gem install al2o3cr
<jrajav> Newp
<jrajav> Lol is it really that special
<jrajav> A <40 SLOC Cinch bot?
<jrajav> :P
<elico> !panic ?
<al2o3cr> AAAAAAAH
<al2o3cr> Still alive~
<elico> nice!!!
<elico> !dammit
<al2o3cr> SAVE YOURSELF
<al2o3cr> Crisis averted
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<shevy> jrajav more than anyone else did here before
<elico> ho it's for a one liner..
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<jrajav> shevy: Welp, those lines of code (and the dead predecessors) represent a few significant hours of work
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<jrajav> shevy: Like many <40 SLOC apps that Just Work(™), I'll bet
<shevy> 40 SLOC
<elico> jrajav: i must say that this is the first irc bot code that i have ever understood how it works and make sense to me!
<shevy> hmmm
<shevy> that's not much
<shevy> my irc-client has 200 LOC
<jrajav> Did you use a framework?
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<elico> LOC ?
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<jrajav> Lines Of Code
<jrajav> And SLOC = Significant Lines Of Code
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<SubliminalKid> shevy, liberal crime squad
<SubliminalKid> LCS
<shevy> what is that
<shevy> jrajav, hmm no. it's a standalone class
<SubliminalKid> shevy, http://lcs.wikidot.com/
<jrajav> Well, there's the difference. Most of my workhorse code is in Cinch
<shevy> _ = TalkInIrcChannel.new(ARGV,false); _.set_channel_name :ruby
<shevy> select( [$stdin], nil, nil, 1.1 ) <--- this part was the most difficult to understand
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<bperry> IRC is a super easy protocol, very lightweight
<elico> i will try it
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<shevy> IRC is quite easy yeah
<SubliminalKid> yea
<SubliminalKid> i love it as a protocol
<shevy> I'd wish I'd know how to use ssl
<shevy> from ruby
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<shevy> oh
<shevy> does cinch allow ssl connections?
<elico> shevy: ssl for what?
<jrajav> I don't know
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<SubliminalKid> and shevy that link, not the game itself
<SubliminalKid> but the style
<SubliminalKid> i cant think any way to do that but with curses
<shevy> lib/cinch/irc.rb: ssl_context.key = OpenSSL::PKey::RSA.new(File.read(@bot.config.ssl.client_cert))
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<shevy> seems it does
<shevy> I am going to study that, perhaps I have an insight
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<mwmnj> any heroku vets around?
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<jrajav> I wish I was a heroku vet :/
<jrajav> I'm thinking of getting an app onto it sometime soon
<jrajav> And I also want to know how it works for blogging
<jrajav> And static serving
<jrajav> And serving static blogs :P
<shevy> you sound very enthusiastic
<jrajav> Haha
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<jrajav> My main problem with blogging is that I'm never satisfied with anything I write
<jrajav> So I never end up writing anything
<banisterfiend> good
<jrajav> And that app is in the works; I spent 4 hours on it today alone
<banisterfiend> :P
<banisterfiend> there's a lot of crap blog posts in the ruby community :)
<banisterfiend> i blog maybe once-twice a year for a similar reason
<shevy> hehe
<shevy> 4 hours!
<jrajav> That's aside from my fulltime job :P
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<banisterfiend> jrajav: what does your app do?
<jrajav> Note taking
<jrajav> + Cloud syncing
<jrajav> For Android
<jrajav> Modeled very closely on Notational Velocity for the mac
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<banisterfiend> like vernote
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<banisterfiend> ?
<jrajav> Yeah but just text only
<banisterfiend> evernote
<jrajav> Maybe Markdown support at some point
<jrajav> I also want to explore dropbox and maybe git syncing options
<jrajav> But just SImplenote to start with
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<banisterfiend> you have a lot of competition there
<banisterfiend> there's a tonne of apps for that :P
<banisterfiend> (if i understand u correctly)
<jrajav> Well, I'm not trying to monetize it at all
<jrajav> It's mainly for myself to be honest
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<banisterfiend> even free apps i mean
<jrajav> I'm not satisfied with any of the options for Simplenote note taking on Android right now
<jrajav> So I honestly don't care if that many people use it
<banisterfiend> np
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<jrajav> I am thinking of an HTML5 app that does the same thing with a Heroku proxy though
<jrajav> And I *would* try to monetize that
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<jrajav> Mainly for the reason that I couldn't scale it otherwise, if tons of people started using it
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<banisterfiend> would it be a webview thingy or just run in a website?
<banisterfiend> in the brwoser i mean
<jrajav> A website, but with localStorage
<jrajav> So a true HTML5 "app" in the sense that it can work offline
<jrajav> And sync once you go back online
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<jrajav> I might try a prototype with a webview though, because that wouldn't require a proxy. The proxy is needed for a served website due to cross-domain
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<banisterfiend> i would do webview
<banisterfiend> browser apps on android (in my experience) feel kind of crappy
<banisterfiend> and the browsers are all pretty buggy
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<banisterfiend> with weird UI
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<jrajav> Oh, I meant this mainly for desktop actually
<banisterfiend> oh ok
<banisterfiend> so android is just for reading them?
<jrajav> HTML5 and phonegap are still pretty bad on both android and iphone
<jrajav> No?
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<banisterfiend> you mentioned android
<jrajav> The app I'm writing right *now* is just a native Android app in Java
<banisterfiend> :))
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<banisterfiend> confused..
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<banisterfiend> so the notetaking app on android is a native java app
<jrajav> Yes
<jrajav> Separate things
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<elico> ok.. i want to write a DB of domains in a tree form but wamt to work with storage files that will hold the data/
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<banisterfiend> jrajav: but the same project? just two ways of leaving notes?
<banisterfiend> or two different projects?
<jrajav> Two projects to provide the same solution
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<jrajav> The Android one is a lot more relevant to me and I would use it every day
<jrajav> So yeah
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<banisterfiend> cool
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<banisterfiend> jrajav: my own way of doing that is just saving text files that i create to dropbox :P
<jrajav> This would basically do that :P
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<banisterfiend> jrajav: what do u think of the android api? is it as horrible as people say?
<banisterfiend> esp. cmpare to ios which people seem to like
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<jrajav> ? I haven't experienced that
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<jrajav> That's pretty vague, anyway
<banisterfiend> jrajav: hmm, i guess it's only people who first programmed ios apps and then did some android who feel so strongly :)
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<banisterfiend> cocoa is a really nice framework
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<bawigga> in the ruby versions, ex: ruby-1.9.3-p194, what does the 'p' stand for in p194
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<RubyPanther> revision
<bawigga> p stands for revision?
<RubyPanther> sorry patchlevel
<bawigga> oh cool
<bawigga> thanks!
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<zeknox> hey whats my best way to get the value out of a block variable, outside of the block code? I essentially am trying to say, if the string READ/WRITE is found, then display "you have admin" ---> http://pastie.org/4571919
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<elico> anyone?
<poop_> Anyone know if there is a chanel specifically for Sinatra here?
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<poop_> Derp. #sinatra
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<elico> i want to initialize a leaf node but from unknown reason on initialize the object became nil
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<xclite> elico, code sample?
<elico> class Domain
<elico> include Enumerable
<elico> @domain
<elico>
<elico> @subdomains = []
<elico> def initialize(par)
<elico> puts par.class
<elico> puts @paren.class
<elico> setparent(par)
<elico> setdom(dom)
<elico> end
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<elico> there are other methods but this is the idea
<xclite> elico, generally you want to use pastebin.com for snippets like taht
<elico> yee a sec
<bnagy> not generally
<bnagy> ALWAYS
<xclite> bnagy, +1
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<xclite> elico, further we want to see you use the code where it's becoming nil
<elico> yes yes a sec
<elico> all coming
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<elico> a domain tree for a sorted tree
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<xclite> elico, there's a lot... generally wrong. First, your indentation is a mess, second, your to_s should return a string, not output it
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<elico> missing t at: est2 = Domain.new(test1)
<n_blownapart> hi could someone give me a clear (quick?) explanation of enumerator in this case ... the books explanation is worthless aside from mentioning precedence. thanks: http://pastie.org/4572016
<bnagy> @paren.class is always going to be NilCLass cause you don't initialize it anywhere
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<elico> but ... @parent  = parent in the "setparent(parent)"
<elico> also if i use directky the setparent(parent) it works
<elico> just not in the initialize
<elico> i have tried to initialize that before with the same result
<bnagy> elico: a) @paren != @parent and b) when you use it in initialize, you haven't initialized it yet
<bnagy> and c) if you're going to fricking argue when you're wrong, you can go whistle
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<elico> i will give you the code same way...
<elico> i just changed dont be picky on what's not relevent
<bnagy> forget it, I only do homework for people who listen
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<bnagy> n_blownapart: yeah (array.map) will be an Enumerator
<bnagy> in your first example you enclose the block in parens as well, in the second you don't, that's why the behaviour is different, not do end vs {}
<elico> well it seems like works now after cleanup of a line that wasnt suppose to be there
<n_blownapart> thanks bnagy ...is enumerator always the same thing? does it always mean the same thing as output.?
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<n_blownapart> bnagy: I'm not too clear on what it is...
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<elico> thanks bnagy the problem was that i forgot to remve a line...
<bnagy> no an Enumerator is a special kind of object when you have used something that would normally feed a block, but you didn't give it one yet
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<bnagy> or you did, and asked for it to be turned into an enum :)
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<n_blownapart> bnagy: so it bypasses the block here, given what the interpreted assumes is happening.
<n_blownapart> bnagy: poorly phrased. ^
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<bnagy> elico: normally we wouldn't define getters and setters like that. there's a construct called attr_accessor :domain, :parent
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<elico> yes indees there are attr_accessor...
<bnagy> and if we did then they would looke like def parent;@parent;end def parent=(other);@parent=other;end
<elico> i am lowleveling for couple hours..
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<poop_> Anyone happen to know how Sinatra calculates the hmac for rack.session cookies?
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<n_blownapart> bnagy: what purpose does the enum serve as output, or as a newly created "special" object?
<bnagy> cause then the final code will be more expressive - this_domain.parent == that_domain etc
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<xyxxy_> def csrf_tag Rack::Csrf.csrf_tag(env) end <-- what algorithm is used to generate this csrf token?
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<bnagy> n_blownapart: it's an Enumerator, it does Enumerator stuffs. Read the docs ?
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<poop_> xyxxy_: Are you testing a Sinatra app too? :p
<bnagy> it's for when you have contonuation style code and want to control iterations by hand
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<xyxxy_> poop_: lol.
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<n_blownapart> bnagy: thanks I'll check it out. owe you plenty o' tea.
<xyxxy> What level are you on?
<poop_> 4
<poop_> You?
<xyxxy> I'm on 6.
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<poop_> poo
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<poop_> I can't figure out how this app is calculating the hmac
<bnagy> hmacs are standard, there are only a few
<bnagy> hopefully it's hmac-sha1 or better, but I bet it's md5 :>
<bnagy> can't you just read the src?
<xyxxy> poop_ notice how that when you send someone some karma your password is reflected on their default page.
<poop_> FUQ
<poop_> I just realized
<poop_> sorry for the language
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<elico> is there a method to dfine in order to indentify object in array?
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<machty> if i have an array and I want to quickly generate a Hash of some property of the object in that array as the key pointing to the object as the value, what's the best way to do that?
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<machty> right now i do array.each{ |v| hash[v.prop] = v }
<machty> that's fine, but i do this a lot and wanted to know if there's some idiom i'm overlooking
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<banisterfiend> bnagy: hey nag
<bnagy> mornin
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<bnagy> machty: group_by would do it I guess
<bnagy> but it's not much more elegant
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<bnagy> id_hah=coll.group_by {|e| e.id}
<bnagy> *hsh :P
<bnagy> coffee still not kicked in yet
<machty> or group_by(&:id), but still the values would be arrays
<bnagy> with the bonus that wouldn't overwrite dups, which may or may not be handy
<machty> which would be cool in some cases but ids are unique so that's kind of a waaste
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<bnagy> if you need to do this a lot it could be an indicator of some datastructure issues though - this is like a cache for when you're about to do lots of id lookups, for example yeah?
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<machty> yeah, sort of, i've got to serialize a user object and all the things he's voted for
<Cache_Money> Spooner: What's the strategy against the Yellow pixel in Level 4 of Alpha Channel
<Cache_Money> ?
<machty> and be able to quickly look up if a certain thing's been voted for on the client side
<bnagy> normally I'd ask a db to handle that kind of stuff :)
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<machty> the db gives me a nice big array of vote objects. i just at some point need to turn it into this more locally queriable structure
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<bnagy> one of these new fangled hash dbs are built for this kind of thing, aren't they?
<bnagy> it's not really my domain though
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<Spooner> Cache_Money : Yellow is just stronger than red I think. The later ones are a bit more tricky... While since I've played it myself :)
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<Spooner> Cache_Money : Just keep throwing red ones at it and you'll get it. Can't just kill it against the green ones, which you can do with reds in the first few levels.
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<Spooner> Cache_Money : Glad to see someone is playing it :)
<chare> why does rails have db migrate, intsead of something like "just sync everything about the database schema to the right value"
<Spooner> chare : I think because, for one, it is a reversable action.
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<chare> whats the point of reversable?
<Spooner> chare : And there you have learned about 50% of what I know about Rails, so it is time for me to shut up :)
<n_blownapart> hi still some questions on enumerator if you have time. so apparently gsub is very flexible and outputs an enumerator in the case where there is no second (replacement) argument. So this special variable stores the results of a regex until it is needed later. noob question, but where is the enumerator stored? what is its scope? sorry no better way to ask the question. thanks : http://pastie.org/4572202
<Spooner> It is always good to be able to roll-back changes.
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<bnagy> n_blownapart: you need to start working this stuff out yourself
<TTilus> n_blownapart: it is returned
<bnagy> you know enough now to use irb - you can work out these things
<bnagy> define a local var, then make the enum, then see if the local var is visible when you do you each_woth_index
<banisterfiend> n_blownapart: bnagx0r is right, u can figure out a lot of your questions on #ruby yourself :P you have the skills now i think
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<TTilus> chare: thats very valid question, it is really a matter of choise to ask for conversions and maintain schema state automatically (the rails way)
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<TTilus> chare: or to ask for schema def and determine migration automatically
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<TTilus> chare: the former allows you to combine schema and data conversions
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<TTilus> chare: the later mandates the separation of them
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<TTilus> chare: and ive never seen any point in "down" migration, it is always snapshot/dump (rails provides schema dump and seed.rb) which you roll back with, not a down migration
<n_blownapart> banisterfiend: bnagy I'm not lazy, I just get very little out of web searches. the answers get mired down in context I don't yet understand. I can follow some of it...crestfallen.
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<banisterfiend> n_blownapart: websearches != irb/pry :P
<banisterfiend> you can answer questions by asking ruby itself ;)
<bnagy> hypothesis, experiment, result!
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<bnagy> I actually honestly wonder sometimes if the expectation that all answers are instantly available on google is changing the way we learn
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<banisterfiend> bnagy: how long do you wonder about it b4 u start thinking about sth more interesting
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<bnagy> a while - it's pretty relevant in my field
<n_blownapart> banisterfiend: banisterfiend well I prefer people that's part of the reason I'm asking. However horrible they are, I need to pose questions until I can comprehend.
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<bnagy> n_blownapart: that's how 3 year olds learn
<banisterfiend> n_blownapart: the knowledge will be more firmly cemented if you acquire it yourself, the hard way :) srsly, once u get used to using irb/pry to answer questions u probably wont go back, its' really effective way 2 learn
<bnagy> 'why?'
<n_blownapart> banisterfiend: but the output is just the output, it doesn't explain itself.
<banisterfiend> n_blownapart: ruby (combined with irb/pry) can answer any question you ask it nearly any level of detail u want
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<bnagy> you just have to ask the right questions
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<banisterfiend> it tells u why, u can view the source code, view the documentation, try things out, see the result, and so on
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<bnagy> try mentally rephrasing all your 'how does...' 'where is...' questions as 'does it work like this?' 'is it here?'
<bnagy> then you can test that
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<bnagy> good questions can be verified, negated, quantified
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<curious_develope> hi all, iam trying to figure out what exactly private and protected means. it seems that private methods cannot take a receiver (can never be called outside class hierarchy). Protected is you can use a receiver and as long as the receiver is the same type where the protected method lives
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<banisterfiend> curious_develope: sounds right
<curious_develope> banisterfiend: anything you would add or change?
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<banisterfiend> curious_develope: well there's an edge case in the case of foo= methods
<banisterfiend> where self.foo= is valid, even if foo= is private
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<banisterfiend> but that's about it
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<zamn> hey how would i go about editing images in ruby
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<banisterfiend> zamn: believe in yourself, and u can do it
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<zamn> is there a library
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<curious_develope> banisterfiend: what causes that edge case?
<jords> Hey, I'm debugging a weird issue with nokogiri behaving differently on my laptop and on heroku (it's correct on my laptop). I've isolated it to this: Digest::MD5.hexdigest(open("https://s3.amazonaws.com/projectxuploads/a").to_s)
<chare> oh fuck me how do i connect rails to multipl databases
<jords> on my laptop, that gives b2ae94516e5a5b28a789dda743bcaa66, on heroku it gives 7a4a63171833cd2300aab3dbe91c0d96
<banisterfiend> curious_develope: "v = x" always creates locals
<n_blownapart> banisterfiend. bnagy this is all really appreciated but just as a nearby example: I switched line 5, the block arguments from { |e,i| puts "#{i}: #{e}"} to { |i,e| puts "#{i}: #{e}"} . The output switched with the value "one" first and the index second. how could I discern why. The sequence of #{} didn't change.
<jords> what could cause that? the locales seem to match...
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<banisterfiend> curious_develope: if "self.foo= x" could be invoked as simply "foo = x" then it would be impossible to create a foo local
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<jords> oh wait, that's totally dumb
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<jords> I'll come back :)
<zamn> jords: what was wrong? llool
<banisterfiend> curious_develope: basically, if you *ever* wanna use a foo= method on the current self when u have to use self.foo=
<banisterfiend> curious_develope: cos without the explicit receiver, it'll always create a local
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<jords> zamn: open("https://s3.amazonaws.com/projectxuploads/a").to_s => "#<File:0x00000004c75868>". It turns out the memory map on the server is'nt identical to the one on my laptop. There is a real problem here but it's not that :)
<zamn> teehee you silly goose
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<curious_develope> banisterfiend: thanks
<banisterfiend> curious_develope: k00
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<jords> Ok, let's try this again. Digest::MD5.hexdigest(open("https://s3.amazonaws.com/projectxuploads/a").read) produces the same result on my computer and heroku, but Digest::MD5.hexdigest(Nokogiri::HTML( open("https://s3.amazonaws.com/projectxuploads/a")).to_s) produces different results. Both of them produce the same result every time, so it's repeatable. Both are running nokogiri 1.5.5 on linux_x64.
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<zamn> same ruby versions?
<jords> The output produced on my computer is correct, where as the one from heroku has a </body> </html> and <html> inserted in a few places throughout the output
<jords> both 1.9.3, not sure about the patch version
<jords> should be the same, I'm running 194 on my computer and heroku runs 194 as well iirc
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<bnagy> test with a different site, one that you know is only hosted in one physical location
<jords> bnagy, but the result from the md5 of the open command matches?
<jords> unless somebody is generating hash conflicts in order to f*** with my mind
<bnagy> I got no idea what's providing that open command :)
<jords> open-uri :)
<bnagy> anyway, forget the MD5 part until you work out why the html is different
<bnagy> it'll just hide things from you
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<bnagy> and I still say test with a more controlled site
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<jords> Well It seems that when I give the nokogiri on heroku and the nokogiri on my computer the same input, I get different results. I could give that a try I guess.
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<civilordergone> hey, i have an array with multiple key + values, i was wondering how to output when doing a for loop, a particular key?
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<jords> Ok, I have it on my site now: Digest::MD5.hexdigest(Nokogiri::HTML( open("http://thoms.net.nz/a")).to_s)
<havenn> civilordergone: { key: 'value', aim: true, pie: 'better than cake' }.each_key { |k| puts k }
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<havenn> civilordergone: Neither Array, nor for loop, but...
<jords> So the actual problem I have is that Nokogiri::HTML( open("http://thoms.net.nz/a")).css("body > div").count is 9 on heroku, and 22 on my computer
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<civilordergone> havenn, is there a way to specify though on an each iteration a particular key?
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<bnagy> jords: why do you keep testing not-the-real-problem ? :)
<havenn> civilordergone: I'd recommend checking out Hash class methods: http://www.ruby-doc.org/core-1.9.3/Hash.html
<bnagy> the real problem is 'what html does Nokogiri::HTML get from the page', no?
<jords> Well the problem is in the node tree nokogiri is generating
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<jords> but it's difficult to compare those since this is a 700kb html file
<bnagy> only if it's getting the same raw html
<jords> as it's input? they have the same md5 hash, so I think it's safe to assume it's the same
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<jords> I'm just using the open command as an easy way to ensure I'm using the same input on different servers
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<bnagy> you need to look at nokogiri's idea of raw html, not open-uri's
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<bnagy> or, better, pass html strings you know are identical to nokogiri
<bnagy> anyway, must hack, sry
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<jords> bnagy, np, thanks for your help
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<poop_> I have a question. I'm printing out some (unknown) data and it usually looks somewhat like this: "\333\302\eJ\322&" (truncated) Do the slashes indicate binary data?
<poop_> or unprintable characters
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<zyphlar> heyo
<bnagy> poop_: that's octal
<vectorshelve> hemanth: good morning
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<zyphlar> i'm trying to help someone understand how before_save callbacks are implemented in rails, but we're having trouble with self. and instance variables
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<zyphlar> i.e. if Foo < Parent and Parent has def self.before_save(*args), we try to save @args = args but it doesn't persist anywhere we can find
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<poop_> bnagy: I thought octal was for integers only... in any case, how can I convert it to its hex representation?
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<zyphlar> so: how do you call a parent method from within child class Foo, which saves an instance variable in a way we can later access?
<bnagy> "\333".each_byte.map {|b| "%.2X" % b} for example
<havenn> >> "\333".unpack 'H*'
<al2o3cr> (Array) ["db"]
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<poop_> Thanks
<poop_> I still need to get used to ruby's syntax
<anoldhacker> zyphlar: please take this to #rubyonrails
<zyphlar> anoldhacker: i would except this is pure ruby
<zyphlar> the naming of before_save is just coincidental to trying to understand how instance variables inherit
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<anoldhacker> zyphlar: You are talking about persisting data. Either you are really conflating your problem, or this is much, much more about what Rails is up to than not.
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<zyphlar> yeah the problem is conflated when i describe it like that. here's a gist. https://gist.github.com/3432239
<zyphlar> basically if you change [:foo, :bar] on line 9 to @args, you get a nomethoderror because @args doesn't exist in that scope
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<zyphlar> again, this isn't rails, this is just imitating their callback style for educational purposes
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<bnagy> @args is a class ivar there, try p self.class.instance_variables in #save
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<anoldhacker> BTW, before_save is part of AM, and you're not inheriting from there...
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<zyphlar> thanks bnagy
<anoldhacker> And... Since @args is an ivar on PaulAR, you won't be able to see it from and instance of Foo via self.class.instance_variable, since self.class will yield Foo.
<zyphlar> anoldhacker: this isn't part of rails, it's just imitating it. before_save is in PaulAR
<zyphlar> right, so how do we save @args into Foo?
<anoldhacker> PaulAr.inherited.
<zyphlar> afaik the problem is in self.before_save being able to save stuff into Foo
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<zyphlar> ok
<anoldhacker> Ugly, but it works.
<anoldhacker> Or, you could define a method in Foo to read it out.
<anoldhacker> Or, if you want to live REALLY dangerously, use a class var on PaulAr.
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<anoldhacker> I'm not a fan of those, though. At all.
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<zyphlar> yeah trying to avoid class vars
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<bnagy> you can pull your class ivars into normal ivars in init
<anoldhacker> Good for you.
<bnagy> same for your superclass ivars
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<bnagy> but ime all of this metajiggerypokery ends up looking a bit ugly underneath the covers - esp with inheritance
<anoldhacker> Remember, though, that you can get an almost identical effect by defining attr accessors on your class, then defining parallel attr accessors in your instance to access the class accessors.
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<anoldhacker> Those inherit, which solves your problem as well.
<zyphlar> hmm k
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<zyphlar> PaulAR.inherited is private?
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<zyphlar> what i don't get is why before_save must be a static method when it's called from a child
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<zyphlar> though i guess it's outside a method so it kinda makes sense
<circlicious> how can i replicate JS type of ifs? i mean i want if(0) to return false
<circlicious> i think i mean falsy values
<bnagy> you can't, thank bishnu
<bnagy> test .zero?
<anoldhacker> zyphlar: You're before save is NOTHING like AM's.
<circlicious> in ruby only if(false) will not execute the block, all other values will execute the block
<circlicious> bnagy: for me?
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<banisterfiend> zyphlar: what do u want before_save to do exactly
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<bnagy> circlicious: yes. actually nil is falsey as well
<circlicious> ya nil and false
<banisterfiend> nm
<circlicious> well
<circlicious> i want to execute a block if the variable is not '' nil and false, how do i do that?
<zyphlar> banisterfiend: just as coded, if it worked. just to figure out callbacks across inheritance
<circlicious> and 0
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<circlicious> do i make sense bnagy
<anoldhacker> zyphlar: You mentioned calling before_save from an instance. Yours does nothing for the instance.
<banisterfiend> zyphlar: couldn't you get before_save to decorate teh save method?
<havenn> >> 0.respond_to?(:empty?) ? empty? : !self
<al2o3cr> (FalseClass) false
<circlicious> if var != '' && var != 0 && !var - seems messy
<havenn> >> ''.respond_to?(:empty?) ? empty? : !self
<al2o3cr> -e:1:in `eval': undefined method `empty?' for main:Object (NoMethodError), from -e:1:in `eval', from -e:1:in `<main>'
<zyphlar> what's decorate?
<anoldhacker> AM before_save pushes a method name on the callback stack. The callbacks are in turn wrapped around the AM#base methods. When the base methods get called, the methods in the callback stack are invoked appropriately.
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<circlicious> how did you know i am using rails ? :P
<zyphlar> anoldhacker: that sounds conceptually like what i'm trying to do here, i guess i don't understand the difference well enough
<circlicious> buit that wont work for 0
<circlicious> ugh
<zyphlar> circlicious: you could override integer with a .falsy? method
<anoldhacker> zyphlar: You have to be a pretty good programmer to come up with something as messed up as rails.
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<zyphlar> anoldhacker: apparently so ;)
<bnagy> what's wrong with if @foo && not @foo.empty? && @foo.nonzero?
<circlicious> too lomng :D
<bnagy> you're testing threee things, why should someone reading your code not know that?
<rohit> What are ou trying to do?
<hemanth> vectorshelve, yo! long time
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<rohit> you*
<vectorshelve> hemanth: yes.. hope you are doing good..
<anoldhacker> Seriously, if you want AM behavior, use it. If you want something similar but not quite, dig in. Be prepared to feel like you've entered a house of mirrors.
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<hemanth> vectorshelve, true
<weethawk> I'm not sure if this is the right channel to ask, but I'm just asking any channels in general. Does anyone know a possible way to find out the creator/owner of a Facebook Fan Page?
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<zyphlar> anoldhacker: so how would you implement something vaguely similar? i feel like i could do it in a language i'm more versed in like java/c# but ruby classes confuse me
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<weethawk> tl;dr: fan page is harassing friends constantly, FB wont take it down, trying to find out who owns it
<zyphlar> weethawk: this is definitely not facebook support :)
<weethawk> Well thank you for the obvious :)
<rohit> weeb1e_, Can't your friend just block the fan page? :)
<banisterfiend> zyphlar: one sec.
<zyphlar> banisterfiend: thanks
<weethawk> FB has been having a gltich where blocking fan-pages won't work. Trust me, we've tried. having a fan-page dedicated to making fun of your friend who was killed gets annoying after a while
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<weethawk> hence my desperate attempt to find the owner
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<zyphlar> bitch about FB on twitter? ;D
<bnagy> or somewhere other than here
<weethawk> you're not really being funny zyphlar
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<weethawk> i'm just asking if anyone had an answeer to my question
<banisterfiend> zyphlar: https://gist.github.com/3433238
<banisterfiend> zyphlar: assuming i understand what u're trying to do
<havenn> weethawk: What is the fan page?
<zyphlar> banisterfiend: looks like voodoo, which is probably what i need ;)
<banisterfiend> anoldhacker: is that right? https://gist.github.com/3433238
<banisterfiend> im not 100% what he's trying to achieve
<weethawk> page called "LOL jessicas finally dead. bitch."
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<bnagy> weethawk: seriously, this is not the forum for complaining about your facebook woes. If you're not here to talk about ruby, please go somewhere else
<weethawk> bnagy: i'm not complaining, I'm asking for help. Please don't be an asshole for no reason.
<bnagy> it's ironic that you're displaying bad netiquette because you're upset about someone's bad netiqeutte
<weethawk> ...
<bnagy> ask for help somewhere appropriate
<weethawk> there is litereally no appropriate place for a questiont his specfic
<anoldhacker> Well, your example looks more like "after_save" than "before_save" to me, and I'm not super-up on unbound methods, but yeah, that probably works. I'm still trying to understand the problem being addressed, though.
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* anoldhacker assumes that weethawk is a troll.
<banisterfiend> anoldhacker: good point, he can just switch those 2 lines around though
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<weethawk> Anoldhacker: I'm just asking the top populated channels because this isn't something i can solve on my own and it's causing serious issues for family and friends
<weethawk> a simple "yes" or "no" to the basic question would have worked
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<banisterfiend> zyphlar: switched, https://gist.github.com/3433238
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<zyphlar> weethawk: we have no idea, try something facebook related
<zyphlar> aw
<bnagy> talk about #firstworldproblems >:(
<rohit> weethawk, Your best bet is getting in touch with Facebook directly. Sorry but folks are right that this is not the right channel to ask questions about Facebook. :)
<zyphlar> banisterfiend: thanks, it works on my machine and passes most of the tests i throw at it. the old_save.bind(self).call seems to be the voodoo that does it
<banisterfiend> zyphlar: yeah, it's called method decorationb
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<zyphlar> to pop in to the right scope
<zyphlar> hmm i tried googling for decoration, i'll have to investigate more
<banisterfiend> basically i keep redefining the 'save' method, but calling the previous version after
<banisterfiend> i save state by using closures
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<banisterfiend> so you dont need any ivars
<rohit> It's a pattern, no? Try searching for method decoration pattern
<banisterfiend> i just close over the parameters
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<banisterfiend> zyphlar: it's kind of like alias method chain, but less retarded
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<zyphlar> ah, damn closures. this article is right: they taught me OO and forgot about this functional wizardry
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<banisterfiend> zyphlar: what article
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<anoldhacker> @banisterfiend: I have to disagree with you on your solution being better than amc.
<davidcelis> :%s/closure/clojure/
<zyphlar> clojure uses closures, no?
<davidcelis> closures use clojure
<zyphlar> anoldhacker: not looking for better, just roughly equivalent
<banisterfiend> araujo: why's that? alias_method_chain fills your object with a tonne of methods with ridiculous names
<anoldhacker> @banisterfiend: with amc, you can see the stack trace cleanly, even if the method names change. Furthermore, you can instert additional stuff after the fact.
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<banisterfiend> anoldhacker:
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<banisterfiend> anoldhacker: i dont think amc helps with the stacktrace, u see a bunch of similarly named with weird suffixes, also, im not sure how my one shows up in the stacktrace
<banisterfiend> ill check it now
<anoldhacker> @banisterfiend: I agree that there is a price to pay for keeping the chain open, but it made my life REALLY easy when I changed the UserStamp gem to wrap save_without_timestamps instead of save.
<banisterfiend> anoldhacker: what do u mean keeping the chain open? you can use the unbound method approach any time you would use teh amc approach instead, afaik
<banisterfiend> can you give an example where you can use amc but cant use the unbound method approach?
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<anoldhacker> @banisterfiend: In the stack trace, you get the file name and line number of the calls. Very clean. With your solution, you can come back to the same line over & over, and it can become difficult to determine exactly which iteration you are on.
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<anoldhacker> @banisterfiend: Sure. The UserStamp gem originally wrapped AR#save to add a userstamp in a fashion which was parallel to timestamp.
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<anoldhacker> @banisterfiend: When AR added the Dirty module, however, it had the effect of making lots of objects dirty that should not be.
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<anoldhacker> With AMC, I changed the call from alias_method_chain :save, :userstamp to alias_method_chain :save_without_timestamp, :userstamp.
<anoldhacker> Done.
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<circlicious> seriosuly is there a better way to do this
<circlicious> if a['td'] && a['td'] != 0 && a['td'] != '' ?
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<banisterfiend> anoldhacker: well there's tradeoffs either way, in amc you get a cluttered method table which makes it harder to see what's going on when interacting with objects in the REPL
<banisterfiend> anoldhacker: further, using unbound methods, u do get the filename/line number, its' just not labelled very nicely it's just called "block" as opposed to a named method
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<zyphlar> circlicious: there are rails methods like .blank? .nil? .nonzero? you can use
<bnagy> circlicious: if a.has_key? td; unless a['td'].zero? || a['td'].empty?; ...
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<bnagy> nil? and nonzero? are ruby
<banisterfiend> anoldhacker: and i just interactively played with the backtrace in pry, using 'cat --ex' it was able to show me each of the different places the method was redefined (with unbound methods)
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<circlicious> zyphlar: i use nonzero, i think its ruby method, but nonzero on a string would cause error
<zyphlar> ah
<anoldhacker> @banisterfiend: Your solution is to create methods that get called but don't show up in instance_methods? I don't see much of a win there...
<banisterfiend> anoldhacker: i guess it depends on the tools you use, examining the stack trace using pry makes it easy, either way
<zyphlar> i use .blank? for most of my stuff which is rails
<circlicious> .blank? wont go werll with 0
<anoldhacker> @banisterfiend: I've never used pry. Sounds like I might need to learn it.
<circlicious> bnagy: almost similar, k
<banisterfiend> anoldhacker: the win is 1. you dont have a cluttered method table so it's easy to play with things in the repl 2. i agree that the method names dont show up in teh stacktrace, but with a decent debugging tool like pry it doesnt matter anyway
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<lewis1711> http://pastebin.com/wV7yVwts is there a quick and dirty way to make sure each element of "address_to_binary" has length 8? ie, packed with leading 0s
<bnagy> lewis1711: printf specifier?
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<anoldhacker> lewis1711: Look up String#%
<lewis1711> anoldhacker: aha, that's the ticket, thanks
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<banisterfiend> anoldhacker: https://gist.github.com/3433399
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<limeds> good morning, just cant figure out how to use .run so i can publish data from the udp server to the websocket, hope someone could help / show me how to -> http://pastebin.com/ZUvUz0pz
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<RubyPanther> when I shut down apache my my apache module (with an embedded Ruby 2.0) keeps spewing: mod_foo: warning: already initialized constant TMP_RUBY_PREFIX
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<lewis1711> ["11", "00"].inject(:&&) #err, I don't get this error
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<lewis1711> surely && is a method on strings? since it responds to it
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<lewis1711> meh I'll just do it the long way
<bnagy> >> [0b00,0b11].inject(&:&)
<al2o3cr> (Fixnum) 0
<bnagy> && is logical
<bnagy> and, afaik, an operator not a method
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<Mon_Ouie> >> ["11", "00"].all?
<al2o3cr> (TrueClass) true
<Mon_Ouie> ^ this will properly short-circuit
<Mon_Ouie> && could not be implemented as a method, otherwise "foo && foo.bar" would always need to evaluate foo.bar
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<banisterfiend> Mon_Ouie: hello
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<Mon_Ouie> 'alut
<banisterfiend> Mon_Ouie: have you ever had someone go "wtf?" when you said "'alut" cos it's a bit of a stretch for some people to figure out what 'alut means ;)
<banisterfiend> Mon_Ouie: you were just lucky in my case because i'm a french speaker :P but i wonder what others think..
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<hoelzro> I figured 'alut was Canadian French
<hoelzro> but I've never been to France, so that shows how much I know =)
<limeds> looks like missing a 's' pre and an 'e' post it
<Mon_Ouie> I don't know where I got it from, I guess I was just looking for a distinctive greeting message :p
<Mon_Ouie> (There's no "e" in French "salut")
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<limeds> my fault, always had a 'F' in french class
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<limeds> Mon_Ouie: may you can tell me how to get this script working? http://pastebin.com/jpwPJFSX atm its running the websocket, after ctrl+c the udp server but i need to push the data so the websocket....
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<vectorshelve> any good reference on setting up jruby and torquebox on rvm
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<ionte> hi. i need a hint. this is what i want to do: i have a string with a number embedded (let's say "#2382#") and i would like to do arithmetics on that number (say add 500 to it for example). how to do this most efficiently?
<ionte> i'm using a gsub and regex now, but the arithmetics part i don't know how to solve
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<eridani> gsub(/#(\d+)/) { |num| num.to_i + 500 }
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<ionte> eridani: thanks!
<eridani> i'm not sure that's completely accurate
<ionte> also find out i can use $1
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<ionte> as in "#{$1.to_i + 1000}"
<ionte> love how asking a question on irc gives me an idea of what to google for :)
* Hanmac hates the $1-$9 variables
<ionte> Hanmac: why?
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<Hanmac> its the scope ... in the next block these variables gets invalid (even they look like globals)
<Hanmac> and then the user wonders whats happening
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<ionte> why do you think they look global?
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<banisterfiend> Hanmac: so what do you use instead of globals?
<banisterfiend> Hanmac: Regexp.captures.first lulz?
<ionte> is there a ruby bot on this channel so that i can evaluate an expression?
<shevy> ionte all $foo variables denote global variables
<banisterfiend> ionte: Yeah
<banisterfiend> >> 1 + 1
<al2o3cr> (Fixnum) 2
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<shevy> al2o3cr you stupid thing
<ionte> shevy: oh, i see
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<shevy> ionte, al2o3cr is a bot btw
<banisterfiend> >> "shevy shutup".split.reverse.join(" ") + "!"
<al2o3cr> (String) "shutup shevy!"
<shevy> grrrrr
<shevy> who controls it
<shevy> Hanmac is it you
<ionte> >> "#283".gsub(/#(\d+)/, "\1")
<al2o3cr> (String) "\x01"
<ionte> whyyyy?
<Hanmac> :P
<shevy> hmm
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<shevy> "#283".gsub(/#(\d+)/, '\1') # => "283"
<shevy> "#283".delete '#' # => "283"
<Hanmac> or
<Hanmac> >> "#283".gsub(/#(\d+)/, "\\1")
<shevy> :P
<al2o3cr> (String) "283"
<Hanmac> but shevys line is better
<shevy> about optparse
<shevy> is there a way to colourize the output?
<shevy> right now I output different colours in my class
<Hanmac> shevy: i dont make the bot, and i dont control it ... only the bot thinks it is :P
<shevy> but optparse is white
<shevy> :(
<ionte> ah, of course! :)
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<banisterfiend> >> { 3 => "an", 5 => "semi", 0 => "shevy", 4 => "epsilon", 1 => "is", 6 => "moron" }.sort_by(&:first).map(&:last).join " "
<al2o3cr> (String) "shevy is an epsilon semi moron"
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<shevy> grrrr
<eridani> >> `id`
<al2o3cr> -e:1:in `eval': No such file or directory - id (Errno::ENOENT), from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<shevy> this was not Hanmac
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<eridani> that can't be good
<shevy> I think I know who it is, it's the horse porn lover
<shevy> eridani I am surprised that could even work
<shevy> what is the id binary doing?
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<shevy> oh yes
<shevy> feedbacks the UID etc..
<shevy> >> `id jravav`
<al2o3cr> -e:1:in `eval': No such file or directory - id jravav (Errno::ENOENT), from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<Hanmac> >> Dir["/usr/bin/*"]
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<al2o3cr> (Array) ["/usr/bin/timeout", "/usr/bin/node", "/usr/bin/ruby", "/usr/bin/gem", "/usr/bin/sudo", "/usr/bin/pkill"]
<shevy> hmm probably sandboxed
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<Hanmac> there are only very few binaries
<shevy> hehehe
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<shevy> apparently
<shevy> a grand total of 6
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<shevy> >> `pkill 1`
<al2o3cr> pkill: killing pid 63 failed: Operation not permitted, pkill: killing pid 26292 failed: Operation not permitted
<Hanmac> shevy its not sandboxed anymore, because an sandbox can be broken :P
<shevy> ???
<Hanmac> its running into an VM (or chroot?)
<eridani> i already find all the files
<eridani> there's very little
<shevy> pid 63? pid 26292? from where does it get that numbers
<shevy> lol Hanmac
<eridani> it's chrooted
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<eridani> who runs the bot?
<shevy> this time the sandbox seems safe
<Mon_Ouie> chroot; it just happens to be run in a VM, but that doesn't help the sandboxing
<Mon_Ouie> jrajav
<shevy> eridani, jravav should
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<Hanmac> https://github.com/jrajav/al2o3cr/ << there is the repo of the bot (maybe outdated)
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<eridani> then i guess downloading the code directly from the bot is a waste
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<shevy> hehe
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<Hanmac> shevy do you know this:
<Hanmac> !panic
<al2o3cr> SWEET ZOMBIE JESUS
<al2o3cr> Still alive~
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<shevy> doesn't seem too useful
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<banisterfiend> !reset
<al2o3cr> SWEET ZOMBIE JESUS
<al2o3cr> Still alive~
<banisterfiend> !kill hanmac
* Hanmac cant be killed with a bot
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* Hanmac is bot-proof, but the bots are not hanmac-proof
<shevy> Hanmac what do you use for giving ARGV to commandline ruby scripts? optionparser?
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<Hanmac> ... currently i never used ARGV ... or optionparser :(
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<shevy> ok then how do you set things like "ruby foo.rb --name bla"
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<limeds> cant you just use "ruby script bla" und in your ruby file name=ARGV[1]
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<shevy> limeds yeah but I also want to use -- settings
<shevy> ruby irc_client.rb --name jonny --channel_name ruby --port 5152
<limeds> i think optionparser would be good
<shevy> I am starting to hate OptionParser
<shevy> end.parse!
<shevy> things like this ^^^
<shevy> HATE :(
<limeds> but i dont use it, me hate it too
<shevy> limeds yeah I will use optionparser for now
<limeds> thats why i use ARGV
<shevy> order!(argv = default_argv, &nonopt)
<limeds> im still trapped in my websocket/udp server code -.- just cant figure out how to get that b**** running and sending..
<shevy> it even has a method called .order!
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<vectorshelve> been getting this error on and again for some time now
<vectorshelve> ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError) bad response Forbidden 403 (http://bb-m.rubygems.org/gems/torquebox-server-2.1.0-java.gem)
<shevy> I don't like the foo! methods much
<shevy> vectorshelve HAH
<shevy> java gem!!!!!
<limeds> "`add_observer': observer needs to respond to `update' (NoMethodError)" cant figure out how to fix
<shevy> vectorshelve, I suppose it is unavailable. perhaps the link is down
<vectorshelve> shevy: trying to setup jruby + torquebox :)
<vectorshelve> shevy: :( this is a worry factor from rubygems and other gem hosters
<shevy> there are some elementary truths
<shevy> you can't rely on anything to work in the computer world
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<vectorshelve> shevy: any work around to get this completed.. :(
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<limeds> vectorshelve: tried downloading the gem via wget? dunno if you can install it from a local file ?
<shevy> dunno. you can try to download the gem locally?
<_bart> howdy
<shevy> _bart where is lisa
<_bart> it's been a while
<limeds> Homer: Lisa do I have my pants on?!
<shevy> _bart did you leave ruby for python :(
<shevy> limeds hahaha
<vectorshelve> shevy: the link is down :)
<shevy> limeds shame they somehow killed the simpsons :(
<_bart> I left Ruby for visiting Sziget Festival
<vectorshelve> shevy: and the gem giving issue is a dependant gem
<Hanmac> shevy an method name allows only one ! or one ? and only at the end ... "gem!!!!!" is not a valid method name ... okay it works with define_method but i dont trust this
<shevy> sziget... sounds hungarian
<_bart> that's correct
<shevy> :)
<shevy> köszenem sepem!
<shevy> fekede madcka (haha I dont even know how to spell it...)
<_bart> (I'm not hungarian though, got their by a 20-hour trip with a train)
<limeds> hmm shevy new simpsons episodes starting next week monday.. here at .DE
<shevy> was suppose to be "black cat"
<shevy> limeds I stopped watching years ago, they ruined it IMO... so many changes... the whole theme changed... :(
<Muz> Dental plan.
<Muz> Lisa needs braces.
<shevy> lol
<shevy> I remember that one
<_bart> but I'm back with an interesting question. Let's say I have selected a specific <td> element using Nokogiri, now how do I get the corresponding <th> or the first <td> (that most likely has the title/column-name)?
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<shevy> limeds are the last episodes worth watching at all?
<vectorshelve> shevy: I tried curl curl -L https://rubygems.org/downloads/torquebox-server-2.1.0-java.gem -O and seems to work.. 119mb in size :O
<Muz> _bart: how deterministic is the table HTML or is this a generic solution?
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<shevy> quite a huge gem vectorshelve
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<limeds> shevy: dont know, new ones coming next week so i have to judge on monday :D
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<_bart> Muz: this is a generic solution, artificial intel you might say.
<_bart> :)
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<Muz> Using XPath, you can get the parent of the TD item, and then descend back to get the th
<matti> shevy: !
<shevy> limeds, and the last ~3 you watched? were they worth any minute spent seeing? :)
<shevy> matti: !!!
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<_bart> and how about getting the first td when there is no TH?
<matti> Whoo, Zed has a major rant on HN.
<Muz> As for which position th you want, some maths on the number of preceeding and following td elements as siblings, and maths with the width attrbutes if any of your selected td
<_bart> that's easy too, heh thanks
<limeds> well yes.. always watch while havin dinner
<shevy> matti what is HN
<Muz> _bart: XPath has array offsetting for multiple matches, or the first() operator iirc.
<vectorshelve> shevy: yes they now have torquebox gem to help us get out of the long lengthy conventional way of install it otherwise :)
<Muz> Pull out the table, descend and either pull out the th if present, or fall back to the first td
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<_bart> Muz: yes, thanks, I think I'll get this.
<limeds> ok lots o poeple here.. hopefully one can help me now > http://pastebin.com/Sh8FAT48 < when i connect to the websocket it gives me "observer.rb:126:in `add_observer': observer needs to respond to `update' (NoMethodError)"
<shevy> I could try! but I dont know observer.rb
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<Muz> _bart: if you're using Nokogiri, you could even pull the <tr> that your TD is in, and find the array offset of the <td> within that, and use the array key to select the correct item from the corresponding <th> or first <td> row.
<limeds> every help is welcome :)
<Muz> Taking into account width attributes or whatever they're called in the HTML for a <td> that may span several columns.
<_bart> Muz: yes, colspan.
<Muz> That'd be the badger.
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<_bart> Do you guys use soft tabs or real tabs and how many?
<vectorshelve> Cork: You here too... jquery + ruby = Cork ? :)
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<Cork> vectorshelve: javascript, jquery, ruby, RoR, go, python, perl, ...
<hoelzro> _bart: spaces
<Cork> i work in quite a bit of languages here
<Muz> _bart: 2 spaces.
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<Muz> Real tabs can die in a chemical fire.
<vectorshelve> Cork: cool man :) But I still insist you are the KING of Jquery
<shevy> _bart I use 2 spaces all the time, without exception
<_bart> yes me too, but a collegue uses real tabs.
<shevy> _bart reason was that I used to use tabs once, but I realized I am trying to align comments, and suddenly was mixing tabs with spaces
<_bart> and we have haml
<Muz> They could do with a liberal application of fire.
<shevy> Cork why perl!!!
<hoelzro> because Perl is awesome =)
<hoelzro> </2c>
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<Cork> shevy: cause we have programs that only accept perl scripts for automation
<Cork> its not for the web though
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<shevy> leeeegacy!
<vectorshelve> shevy: :)
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<vectorshelve> shevy: as discussed before are the any great online dictionaries with open APIs available I can use for my gem ?
<shevy> hmm not sure
<shevy> I use leo usually for german-english
<shevy> and I collect words I don't know myself into a local yaml file too
<Xeago> thesaurus used to have a api
<Xeago> but that's before it got bought by dictionary.com
<atmosx> that would be a good service
<atmosx> dictionaries with online api, no more scraping shit
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<atmosx> I doubt anyone would offer this service for free though, if the dictionary is good enough...
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<vectorshelve> atmosx: :)
<atmosx> vectorshelve: what langs are you looking to translate?
<atmosx> or by dictoinary you mean, thesaurus?
<vectorshelve> atmosx: yes
<atmosx> vectorshelve: we had the same conversation again right?
<vectorshelve> atmosx: yes I have documented your thoughts and links... waiting for the weekend :)
<atmosx> okay :-)
<atmosx> json API
<atmosx> anyone the iPad 2 has arrived, I'm gonna go check it and probably take it
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<vectorshelve> atmosx: for ?
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<atmosx> my mother
<shevy> lol
<atmosx> it's the best way for her to use FaceTime and call me when I'm abroad
<atmosx> plus I think it's the last high-tech piece of hardware I'm gonna buy for the next couple of years
<shevy> sure sure sure
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<shevy> ;)
<vectorshelve> atmosx: :D I am looking to sought of get the results from a good site into array and give that out as the output of the gem method
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<atmosx> hahaha
<shevy> vectorshelve soon you will reach this point:
<shevy> "omg all those gems suck... I will write my own gem that works"
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<vectorshelve> atmosx: why you laughing ?
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<atmosx> that would be a slow method, the book I'm reading dectates that you should pick a good name for that method!
<atmosx> vectorshelve: about shevy's 'sure sure sure' statement
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<vectorshelve> shevy: what does that statement mean... itt;'s more like a wierd extrapolation which you aint sure yourself that it will turn true some day :D
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<shevy> vectorshelve he said he wont buy any high tech afterwards for the next couple of years
<shevy> I am going to ask him again in 2015
<shevy> :P
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<atmosx> apart from the iPhone 5
<atmosx> !!!
<atmosx> I wont!
<vectorshelve> shevy: I was talking about
<vectorshelve> [15:05] <shevy> vectorshelve soon you will reach this point: [15:05] <shevy> "omg all those gems suck... I will write my own gem that works"
<shevy> I swear the most active "users" on rubygems.org must be bots
<vectorshelve> shevy: swear ;D
<shevy> vectorshelve I mean you
<shevy> you are going to write ALL gems on your own eventually
<vectorshelve> shevy: which is a good thing for learners and ppl who wants to take all responsibility to themselves
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<atmosx> I'm gonna get a shower
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<atmosx> I need to study biophysics, fucking Fricks
<shevy> \o/
<atmosx> and his idiotic laws
<atmosx> shevy: all those people inventing all this shit, it's fine with me… Why do I care about diffusion concentration ratios? :-/
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<atmosx> it's a simple equation, I'll use my computer to memorize it!!!
<atmosx> anyway
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<shevy> atmosx yeah I am often wondering about that too
<shevy> we aren't allowed to use computers for calculation
<Hanmac> atmosx i need to find some crazy bio/genetic/chemist ... i have crazy i ideas ... and an i dont acept an "this is not possible"
<shevy> but for work, we use computers ALL the time ...
<shevy> Hanmac what ideas :D
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<shevy> ideas are good
<shevy> the implementation is the problem
<atmosx> Hanmac: like, you saw the movie "Spiderman" recently?
<atmosx> shevy: when it comes to bio-whatever, some ideas are just idiotic imho.
<shevy> which one!
<shevy> I see only ideas that are hard to implement
<shevy> universal blood types for instance
<Hanmac> no ... better: animal & plant comined ... then you get an animal that feeds on sunlight, and an plant that can produce steak and milk
<atmosx> that makes sense to begin with
<shevy> Hanmac lol
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<shevy> and you eat only 5% of that thing every day Hanmac? :D
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<shevy> "mhhmmm my pseudo-cow also tastes like salad"
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<Hanmac> shevy: why not a salad that tastes like cow?
<shevy> Hanmac, I think moving physically takes a lot of energy
<shevy> a plant does not have to spend energy moving around
<shevy> Hanmac yeah
<shevy> natural cow-salad hehe
<quazimodo> shevy: pro tip bro
<Hanmac> or if humans has chloroplast inside the skin? then i have finialy a reason to go outside :P
<shevy> do you really wanna become a green human Hanmac
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<atmosx> finding a way-faster algorithm to decode DNA in desktop cpus would be a good project
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<Hanmac> shevy i dont trust this info ... i have seen some animals before that eat plants to absorb the chloroplasts but cant make them itself
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<atmosx> I'm off
<Hanmac> shevy what is REALLY interesting: chlorophl and hemoglobin are sisters
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<shevy> Hanmac yeah but aphids are small, and it's also not the first time to have seen it. dinoflagellates also pick up other microorganisms to photosynthesize - http://en.wikipedia.org/wiki/Dinoflagellate "Approximately half of living dinoflagellate species are autotrophs possessing chloroplasts and half are non-photosynthesising heterotrophs"
<shevy> I have to leave here soon, will be back in ~2 hours
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<vectorshelve> shevy: Hanmac please dont ruby room into bio-ruby room :P
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<Hanmac> shevy: better green than this shitty avatar-snuff-blue :P
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<Xeago> If anyone with padrino experience is here, is it possible to start thin from within padrino console (irb)?
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<_bart> def alphanumeric?(s) s.to_s.match(/\*REGEXP HERE*/) == nil ? false : true end
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<_bart> What should the regexp be [a-z0-9]+ ?
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<Muz> _bart: you'll want a /i on that regex if that's what you use.
<Muz> Otherwise A-Z wouldn't be matched.
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<_bart> yes true, okay
<_bart> def is_alphanumeric?(s) s.to_s.match(/\[a-z0-9]+/i) == nil ? false : true end
<Muz> Alternatively [^\W]+
<Muz> Alternatively /[^\W]+/
<Muz> Actually, that would include underscores.
<Muz> /[a-z0-9]+/i
<_bart> it should match hashes, like SESSID's
<Muz> What's generating the session IDs?
<Muz> I can't think of any reason why your session ID couldn't contain a non-alphanumeric character.
<_bart> Muz: PHP's SESSID does not contain non-alphanumeric characters
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<_bart> s.to_s.match(/[a-z0-9]+/i) == nil ? false : true , it also returns true for sdfsdf.ssfs_
<_bart> :/
<Muz> If you're the one creating and auditting the session IDs, you could probably tailor something more specific and secure to your usecase.
<Muz> Jus' saying.
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<Muz> /^[a-z0-9]+$/i
<_bart> thanks
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<_bart> I know this seems weird to do but everything I do is an approach to check strings/structures with a certain uncertainty, and I know this is not secure. I also use a method that uses consonants to check for the "probability" that a string is gibberish. :)
<Hanmac> _bart:
<Hanmac> >>!!"AE34".match(/\A[[:alnum:]]+\z/)
<al2o3cr> (TrueClass) true
<Muz> Also I know it's bikeshedding, but there's also, s.to_s =~ /regex/ ? true : false; s.to_s.match(/regex/).nil? ? false : true;
<Muz> Or there's the option of not using a ternary at all, as they're just nasty-looking in general. :)
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<Hanmac> !!( s.to_s =~ /regex/) is maybe the best way
<Hanmac> >> !!("９" =~ /[[:digit:]]/)
<al2o3cr> (FalseClass) false
* Muz isn't a fan of !! personally.
<Muz> But yeah, golf anyone? What color do you want your bikeshed?
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<JonnieCache> what kind of ９ is that
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<Hanmac> "Fullwidth forms, capitals"
<Hanmac> but for some reason the other 9 is not currect encoded ...
<Hanmac> >>"９".force_encoding("UTF-8").match(/[[:digit:]]/)
<al2o3cr> (MatchData) #<MatchData "\uFF19">
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<JonnieCache> thats got to be useful for adwords
<JonnieCache> do they allow unicode in adwords?
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<Guest37999> >> true
<al2o3cr> (TrueClass) true
<Guest37999> aweyeah
<Hanmac> JonnieCache: "whereas /[[:digit:]]/ matches any character in the Unicode Nd category." ... currently i trying to prof that
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<_bart> how do I quickly count the number of numeric digits (0-9) in a string?
<banisterfiend> _bart: string.chars.count { |v| v =~ /\d/ }
<_bart> cool! thanks
<Mon_Ouie> string.count "0-9"
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<banisterfiend> Mon_Ouie: k00
<Mon_Ouie> Is that "k00" a new thing? I've seen you use it like all the time lately, but never before.
<banisterfiend> Mon_Ouie: yes, i invented it recently. I'm trying to get it to catch on u, u should help me
<gloomer_1> k00
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<banisterfiend> gloomer_1: thx
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<_bart> why doesn't this regexp match the file size: http://rubular.com/r/p87enYVgPx it looks correct
<_bart> k00
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<hoelzro> _bart: case sensitivity
<hoelzro> oh, nvm
<hoelzro> didn't see the /i
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<hoelzro> hmm
<hoelzro> the first bit matches ok
<Mon_Ouie> Because those aren't spaces
<Mon_Ouie> They're non-breakable spaces
<Mon_Ouie> Also using regular expressions for that kind of stuff hurts eyes
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<_bart> how do I match non-breakable spaces?
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<Mon_Ouie> You type it or you lookup its unicode code point
<banisterfiend> Mon_Ouie: do you think you'll say k00
<Mon_Ouie> No
<banisterfiend> Mon_Ouie: is there anything i can say/do to encourage you to say it
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<Mon_Ouie> And that will work?
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<banisterfiend> Mon_Ouie: Yeah
<Mon_Ouie> Then no
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<banisterfiend> Mon_Ouie: don't you think it's a bit unfair, i mean i emulate your "Yeah"
<_bart> okay changed it to ((\d+(?:[.,]\d+)?)\W?([ptgmk]?b))\b
<vectorshelve> I am not able to install gem paperclip in jruby rails app. whats the way around ?
<vectorshelve> Installing paperclip (3.1.4) Gem::InstallError: paperclip requires Ruby version >= 1.9.2. An error occured while installing paperclip (3.1.4), and Bundler cannot continue. Make sure that `gem install paperclip -v '3.1.4'` succeeds before bundling.
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<Hanmac> vectorshelve dont use jruby nor rails? :P
<virunga> Hi Mon_Ouie
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<virunga> Mon_Ouie: you're good with OpenGl, aren't you?
<vectorshelve> Hanmac: I wish if I had the choice... :)
<Hanmac> jruby is never a choice for me :D
<vectorshelve> Hanmac: some say its better in terms of performance since JVM
<Hanmac> i use c++-libs in ruby ... this does not work for jruby
<vectorshelve> Hanmac: how can I update my ruby env ? the command
<vectorshelve> Hanmac: gem update --system didnt do that part
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<Hanmac> install the ruby1.9.1-full package and then "update-alternatives --config ruby" (on debianoid)
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<lectrick> module A; class B; end; end; B #=> How do I get the 'full path' of class B without raising a NameError: uninitialized constant B ?
<vectorshelve> Hanmac: $ gem env gives me RubyGems Environment: - RUBYGEMS VERSION: 1.8.24 - RUBY VERSION: 1.8.7 (2012-02-22 patchlevel 357) [java]
<vectorshelve> Hanmac: I want to update it to 1.9.3
<Hanmac> install an better ruby ... the ruby1.9.1-full package
<vectorshelve> Hanmac: I am working on latest jruby 1.6,7 and it uses RUBYGEMS VERSION: 1.8.24 which I want to upgrade
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<Hanmac> lectrick: "A::B".split("::").inject(Object,:const_get)
<Hanmac> or do you want the reverse?
<vectorshelve> Hanmac: I use rvm so I have all the other ruby versions as well.. including 1.9.3
<lectrick> Hanmac: Say I only know the name of B, but I don't know the name of A, and I want a constantized version of B
<vectorshelve> Hanmac: gave gem update instead of gem update --system since I am on rvm and not system ruby so now it seems working ;)
<Hanmac> lectrick you cant you need the full path or B as Class object
<lectrick> Hanmac: I can sort of look up the full path via ObjectSpace.each_object but I wanted something better :)
<lectrick> Hanmac: ObjectSpace.each_object{|o| puts o if o.class==Class && o.name =~ /::B/}
<Hanmac> vectorshelve question ... WHY dont you ask at #jruby?
<Hanmac> lectrick there are maybe better ways ... moment i try to find them
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<Mon_Ouie> Virunga: Haven't used it in a while, but I did use it. Why?
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<vectorshelve> Hanmac: asked no response... inactive room
<lectrick> Hanmac: This is a little cleaner (but still as ugly as a polished turd) ObjectSpace.each_object.detect{|o| o.class==Class && o.name =~ /::B/}
<virunga> Mon_Ouie: i wanted to ask help to you :D
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<nohonor> how would i use a class method as associated code?
<nohonor> ruby -e "print %w(H A L).collect &String#succ"
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<Hanmac> lectrick i dont think so that there are a better way ... imo you should know the full path or store the B class somewhere
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<nohonor> doesn't work
<lectrick> Hanmac: Yeah, I'm doing some fancy dynamic stuff and there might not be a way for me to do that
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<Hanmac> >> print %w(H A L).collect &:succ
<al2o3cr> ["I", "B", "M"](NilClass) nil
<justinmcp> vectorshelve: WAG - are you running jruby in 1.9 mode; --1.9 or JRUBY_OPTS=--1.9 ?
<nohonor> Hanmac, thank you!
<Mon_Ouie> Having to specify the class of the receiver would break the point of OOP
<nohonor> Hanmac, and how would i qualify the owning class
<Hanmac> lectrick becaue there could be multible B classes ... as sample CEGUI and Ogre as both an Color class
<Hanmac> nohonor you dont need to
<nohonor> yes, but if i wanted to
<Mon_Ouie> You shouldn't want to
<Hanmac> >> print %w(H A L).collect &String.instance_method(:succ)
<al2o3cr> -e:1:in `eval': wrong argument type UnboundMethod (expected Proc) (TypeError), from -e:1:in `eval', from -e:1:in `<main>'
<lectrick> Hanmac: ah you're right. crap
<nohonor> what if i want to use Math.something
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<Mon_Ouie> That's something completely different, the block argument isn't the receiver, but just a regular argument
<Mon_Ouie> And there's nothing wrong with { |o| Math.something(o) }
<nohonor> it's unnecessary typing
<Hanmac> >> print [1,2,3].map &Math.method(:sin)
<al2o3cr> [0.8414709848078965, 0.9092974268256817, 0.1411200080598672](NilClass) nil
<nohonor> Hanmac, nice
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<nohonor> well, what is the function of the # separator then
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<Mon_Ouie> It's for documentation only
<vectorshelve> justinmcp: look at line 6 and 7 http://pastie.org/4574018 I want to make it 1.9.3
<nohonor> ah, ok
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<nohonor> it means instance method?
<Mon_Ouie> Yes
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<Hanmac> in doc #succ is an instance method, and :: is an class method
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<nohonor> ok, thanks
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<nohonor> it'd be nice if we could use the methods directly though
<nohonor> >> print [1,2,3].map :&Math::sin
<al2o3cr> -e:1:in `eval': (eval):1: syntax error, unexpected tCONSTANT, expecting $end (SyntaxError), print [1,2,3].map :&Math::sin, ^, from -e:1:in `<main>'
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<nohonor> in c# you can say new[]{1,2,3}.Select(Math.Sin)
<Mon_Ouie> That's not possible with Ruby's syntax because methods can still be called without parens and without arguments
<nohonor> blah
<nohonor> then it's another case where the optional invocation parens suck
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<Mon_Ouie> What are the others in your opinion?
<justinmcp> vectorshelve: try; $ JRUBY_OPTS=--1.9 gem env
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<vectorshelve> justinmcp: export JRUBY_OPTS=--1.9 worked
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<justinmcp> vectorshelve: sweet
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<vectorshelve> justinmcp: sour error after that http://pastie.org/4574018
<nohonor> >> Math.log(64,4)
<al2o3cr> (Float) 3.0
<nohonor> >> Math.log (64,4)
<al2o3cr> -e:1:in `eval': (eval):1: syntax error, unexpected ',', expecting ')' (SyntaxError), Math.log (64,4), ^, from -e:1:in `<main>'
<nohonor> Mon_Ouie, how about this one?
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<Mon_Ouie> It makes sense to me that after a space it is interpreted as a grouped expression and not an argument list
<vectorshelve> justinmcp: hey but your command JRUBY_OPTS=--1.9 gem env instead of mine export JRUBY_OPTS=--1.9 seems to work
<banisterfiend> nohonor: it's a trade-off, but in general i think optional parentheses are a clear win.
<banisterfiend> nohonor: DSLs would look a lot uglier with mandatory parens, for example.
<nohonor> uglier but consistent
<justinmcp> vectorshelve: should be functionally the same, export just adds it to your shell env
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<vectorshelve> justinmcp: yes but yours did the magic :)
<nohonor> this opens you to all sorts of bogus invocation trees
<banisterfiend> nohonor: well, they wouldn't look like a DSL
<nohonor> banisterfiend, well, there could be an interpreter switch
<banisterfiend> nohonor: similarly, what about the 'loop' method? that would have to be: loop() { puts "hi" }
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<banisterfiend> rather than the current, loop { puts "hi" }
<banisterfiend> and attr_accessor :x would become attr_accessor(:x)
<nohonor> oh, the horror
<justinmcp> vectorshelve: I dont know whats up with the bundle install error - looks like you are running a newer java than myself, thats about the only thing that immediately comes to mind
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<banisterfiend> nohonor: yes, syntax is important.
<shevy> bundle has the tendency to error
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<Mon_Ouie> ruby -e 'system "python", *ARGV' -- — there's the interpreter switch
<shevy> but people use all sorts of crazy combinations... debian system ruby combined with rvm and bundler
<banisterfiend> nohonor: loop() { } completely blows the idea of loop { } acting like a language construct.
<vectorshelve> justinmcp: could be but whats wierd is that ur alias command to mine worked fine :)
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<limes> shevy did you find a fix ?
<limes> *solution
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<justinmcp> vectorshelve: that is weird
<banisterfiend> nohonor: the advantage in optional parens + blocks is you can create methods that behave like built in syntax. As a result, ruby can implement many things are methods that in other languages are keywords
<shevy> limes only for me, I compile from source and avoid bundler rvm etc...
<banisterfiend> as methods*
<limes> damn
<vectorshelve> justinmcp: well I am trying to run my rails app into jruby... now done with bundle install.. need to configure the db now.. any idea ?
<limes> went from node via rabbitmq + node back node js and finaly im so close to my udp websocket -.-
<nohonor> banister, sounds obfuscatory to me
<Taichouchou> test
<nohonor> but i appreciate your input anyway
<shevy> Taichouchou test passed
<banisterfiend> nohonor: in fact, a tonne of things in ruby are in fact methods that you'd think are keywords, for example: loop, raise, attr_accessor, alias_method, and so on.
<Taichouchou> thanx shevy
<nohonor> yes, and that makes grokking that much harder
<banisterfiend> nohonor: even 'public' and 'private' (accessor 'keywords') are methods
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<nohonor> ^ what i said above
<nohonor> implicit is evil
<nohonor> optional is evil
<shevy> explicit self in python really sucks
<nohonor> but i guess it's up to the language designer to make the tradeoff
<banisterfiend> nohonor: not really, it makes it easier IMO. Most thing are methods, and you know how methods behave already. It removes the barrier between applications and core language. Kind of like lisp, but not quite as intense
<justinmcp> vectorshelve: I had to use activerecord-jdbc-adapter, then bundle exec the rake tasks - don't recall doing much else
<banisterfiend> nohonor: i think it's an idea ruby got from smalltalk actually, where even 'if' is a method
<justinmcp> vectorshelve: I moved over to torquebox - which added bits and pieces
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<nohonor> so i guess that's the 'ruby way'
<banisterfiend> nohonor: yeah, inspired by the 'smalltalk way' and the 'lisp way'
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<JonnieCache> if is a method?
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<JonnieCache> thought it was a keyword
<hoelzro> in some smalltalks, yes
<banisterfiend> nohonor: and definitely contrasted with the 'java way' and the 'python way'
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<hoelzro> true:ifTrue [ Transcript show: 'Hello'; cr. ]
<nohonor> let's see if i warm up to this approach as i progress further with the language
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<JonnieCache> oh you mean in smalltalk. in ruby it just behaves like a method wrt return values
<JonnieCache> correct?
* Hanmac is searching for a spell that turn my camel into snakes
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<hoelzro> well, if is a keyword in Ruby, but all Ruby expressions (afaik) are also statements
<hoelzro> er, vice versa
<nohonor> can't if be considered a lazy-evaluating method
<Mon_Ouie> It doesn't behave at all like a method. It's an expression unlike in C, that's all.
<hoelzro> that's why I can do greeting = if language == 'German' then 'Guten Tag' else 'Hello' end
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<JonnieCache> i suppose function would be a better term than method, but yeah its just the expression thing really i guess
<nohonor> btw, what is the consensus way to achieve lazy evaluation of arguments
<shevy> hehe "consensus"
<JonnieCache> use lazy data structures?
<banisterfiend> nohonor: wrap it in a lambda i guess
<shevy> my data structures are hard workers
<shevy> the lazy ones get fired
<JonnieCache> or that heh
<nohonor> banisterfiend, i see
<nohonor> but that's not really it
<nohonor> you have to cache the value
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<hoelzro> you could create a Lazy class that acts like the lazy value
<hoelzro> ex. value = Lazy { long_running_operation }
<nohonor> yeah, that's OOPish
<hoelzro> mhmm
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<JonnieCache> thats what i meant. classes that act like enumerables but have lazy logic inside them
<nohonor> what is the semantic difference between while(true) { } and loop { }
<hoelzro> none, I think
<shevy> loop {} is cleaner
<hoelzro> except
<JonnieCache> shevy: thats not semantic
<hoelzro> I think loop automatically catches StopIteration
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<hoelzro> but I'm not sure
<shevy> also while(true) { puts 'hi' } does not even work
<nohonor> http://www.ruby-doc.org/core-1.9.3/Kernel.html#method-i-loop: StopIteration raised in the block breaks the loop.
<hoelzro> shevy: it doesn't?
<nohonor> i'm not sure what this means
<shevy> irb does not like it
<hoelzro> nohonor: StopIteration is raised by Enumerator#next
<nohonor> breaking out of a block raises and exception?
<hoelzro> when the end of an Enumerator is reached
<nohonor> i'm sorry, i don't follow
<Mon_Ouie> The break keyword doesn't raise an exception but you can raise on to break from a loop
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<nohonor> ahhaa
<Mon_Ouie> And that's what Enumerator#next does when there are no more items
<nohonor> ok, and why would i want to do that in loop { }
<Mon_Ouie> loop { a = e.next; … } — break is automatically propagated here
<nohonor> break is propagated to a containing loop?
<Mon_Ouie> hoelzro: while doesn't accept a block, it just expects a condition, a body, and an end keyword (
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<banisterfiend> ruby stole this behaviour from python btw
<Mon_Ouie> (with an optional do after the condition)
<banisterfiend> StopIteration trick
<Mon_Ouie> nohonor: No, it propagates from Enumerator#next to the loop
<Hanmac> hm an while loop has one catchtype more then an loop-loop (while catch "break")
<hoelzro> Mon_Ouie: right
<nohonor> omg, while(true) { puts 'hi' } really doesn't work
<Mon_Ouie> While the regular break keyword has to be lexically scoped
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<Mon_Ouie> while true; puts "hi"; end
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<Mon_Ouie> puts "hi" while true
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<hoelzro> while true do puts 'hi' end
<nohonor> but why?
<Mon_Ouie> Why not?
<nohonor> what's wrong with while(true) { puts 'hi' }
<hoelzro> it's not valid Ruby
<nohonor> why, because of the braces
<banisterfiend> nohonor: you will understand what blocks are soon and you'll know why that doenst work, i think
<Mon_Ouie> And there's no reason for Ruby to use that syntax, it has one already.
<hoelzro> which, considering that { ... } is a shortcut for do ... end in block syntax, seems kind of silly.
<nohonor> well, blah
<nohonor> { } is the same as do... end, except when it isn't
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<Hanmac> Mon_Ouie & hoelzro: its interesting to see the difference between "while(true)\n end" and "loop do\n end" with puts RubyVM::InstructionSequence.compile(code).disasm
<Mon_Ouie> It is the same only for block syntax
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<nohonor> Mon_Ouie, ok, i get it. thanks
<Mon_Ouie> Well, loop gets compiled as a method call with a block while a while loop gets compiled as gotos and labels
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<Hanmac> psst dont tell the noobs that they could activate goto inside ruby
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<nohonor> although i've actually had a good use for goto in production code
<nohonor> once
<Mon_Ouie> It doesn't have anything to do with the joke __goto__ keyword
<hoelzro> I think one can be responsible and use goto.
<nohonor> hoelzro, not at the same time
<Mon_Ouie> gotos are commonly used in the bytecode-languages that structured languages get compiled into
<banisterfiend> You can implement 'goto' using continuations, if you really want to :)
<nohonor> banisterfiend, lol
<hoelzro> hehe
<Mon_Ouie> banisterfiend: Except you can't jump to a point that hasn't been reached before
<nohonor> "you can implement if using zygomorphisms"
<banisterfiend> Mon_Ouie: Yeah
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<hoelzro> I think that using goto to clean up errors in C is about the only responsible use of it, though
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<nohonor> Mon_Ouie: so Enumerator#next raises an exception when there are no more items
<nohonor> why doesn't it just return
<Mon_Ouie> Return what?
<nohonor> and what does that have to do with loop { } if that's based on an infinite enumeration
<nohonor> hmm, maybe i'm thinking in c sharp
<hoelzro> you must unlearn
<hoelzro> what you have learned
<Mon_Ouie> loop is implemented like def loop; yield while true; rescue StopIteration; end
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<nohonor> well, instead of calling yield
<hoelzro> =P
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<nohonor> call return
<Mon_Ouie> Enumerator#next doesn't yield anything
<Mon_Ouie> yield passes a value to a block
<nohonor> i'm afraid the enumeration infrastructure in my ind is a bit fuzzy
<nohonor> you have an enumeration
<nohonor> an "iterator"
<nohonor> and you have a consumer
<nohonor> enumeration.iterator &consumer
<nohonor> where does "enumerator" come in or should i just research it myself and stop asking silly questions
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<Hanmac> thanks of enumerator your "iterator" is chainable: enumeration.iterator.iterator.iterator (&consumer)
<Mon_Ouie> in that example, nowhere
<nohonor> Mon_Ouie, in loop { if (frob()) blah; if(quux) break } ?
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<Xeago> why is there an enumerator for a loop construct?
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<Mon_Ouie> Nowhere either (and that's not valid Ruby either)
<Xeago> wha twould the collection for the enumerator be, e.g. what is the enumerable?
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<Mon_Ouie> fibo = Enumerator.new { |y| a, b = 0, 1; loop { y << a << b; a, b = b, a + b }
* nohonor inserts "end" keywords
<Mon_Ouie> Yeah
<banisterfiend> Yeah
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<nohonor> unmatched braces are unmatched ...
<banisterfiend> >> fibo = Enumerator.new { |y| a, b = 0, 1; loop { y << a << b; a, b = b, a + b } }; [fibo.next, fibo.next, fibo.next]
<al2o3cr> (Array) [0, 1, 1]
<Mon_Ouie> It's way too hard to remember how many of them I opened :p
<banisterfiend> >> fibo = Enumerator.new { |y| a, b = 0, 1; loop { y << a << b; a, b = b, a + b } }; [fibo.next, fibo.next, fibo.next, fibo.next, fibo.next]
<al2o3cr> (Array) [0, 1, 1, 1, 1]
<banisterfiend> ghey
<Mon_Ouie> fibo.take 10
<banisterfiend> >> fibo = Enumerator.new { |y| a, b = 0, 1; loop { y << a << b; a, b = b, a + b } }; fibo.take(10)
<al2o3cr> (Array) [0, 1, 1, 1, 1, 2, 2, 3, 3, 5]
<Mon_Ouie> Oh, I probably meant yield << a only
<Xeago> how to print stacktrace in ruby?
<nohonor> what's the << operator do?
<Mon_Ouie> It calls the #<< method
<hoelzro> appends, or writes to stream
<Mon_Ouie> Xeago: puts caller
* hoelzro finds it hideous
<Mon_Ouie> What it does still completely depends on the receiver
<hoelzro> unless used for actual bit shifting
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<fowl> hoelzro << :aids
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<nohonor> strange to see c++ in ruby
<fowl> thats how you give hoelzro aids
<Mon_Ouie> In this case it adds a value to the Enumerator
<Hanmac> fowl: hoelro >> :aids
<Hanmac> and so you can remove the aids later :D
<vectorshelve> I am trying to convert my ror app to jruby on rails. my backend is postgresql and I installed jruby -J-Xmx1024m -S gem install jdbc-postgres . now when I try to do rake db:setup I get this error http://pastie.org/4574202
<Mon_Ouie> IIRC Matz was a C++ programmer before writing Ruby
* Hanmac thinks it is a little bad that ruby is not writen in C++ :(
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<Mon_Ouie> Why?
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<Hanmac> i dont know ... i thought it would be more fun
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<Xeago> what is ruby written in?
<Hanmac> plain C
<Mon_Ouie> C
<hoelzro> C
<Xeago> what's wrong with that?
<Xeago> I still write c daily?
<hoelzro> nothing
<Xeago> what's bad with it hanmac?
<Mon_Ouie> There are other implementations in Java or C++ and Ruby
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<Hanmac> Xeago it feels a bit odd when you write c++ gems
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<nohonor> a ruby written in windows batch
<nohonor> that i'd like to see
<ly_gs> :D
<Xeago> I doubt it'd be possible
<Hanmac> vectorshelve go and anoy other channels ... like #rubyonrails or #jruby ... when this channels are not responding it is not our failure
<vectorshelve> Hanmac: ok boss :)
<TommyBotten> Can anyone shed some light on Ruby/IOCTL on http://stackoverflow.com/questions/11949538/pointers-to-buffer-in-ioctl-call ?
<hoelzro> Hanmac: you could always write a C++ wrapper for the C API =)
<nohonor> anyway, thanks for the help everyone
<nohonor> i learned a lot in 30 minutes
<hoelzro> IRC is a great place to learn =)
<Xeago> the only reason I have it open
<Hanmac> hoelzro i have seen something like Rice but it does not feel right
<hoelzro> that's the experience I've seen with every C++ binding to the Lua API =)
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<Xeago> it is possible to write multithreaded ruby right?
<Mon_Ouie> TommyBotten: Just generate a string from your structure
<Xeago> using just plain 'ol ruby
<Xeago> ?
<Mon_Ouie> That BinStruct library probably provides you with a pack method or something similar
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<anoldhacker> When debugging a C extension, is there an easy way to get printf output? Or do I need to invoke puts somehow?
<TommyBotten> Mon_Ouie: That I get, but the struct for ifconf contains a union which in turn contains structs.
<TommyBotten> Mon_Ouie: Which I haven't gotten my head around ... yet.
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<hoelzro> anoldhacker: printf should do you fine
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<anoldhacker> hoelzro: Lovely. I wonder what my problem is.
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<Hanmac> anoldhacker: i often use rb_warn for debuging ...
<banisterfiend> rb_p too
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<anoldhacker> k thanks.
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<bluebie> ohai
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<zeknox> i have a logic flaw in the way im parsing xml, line 17 loops through every element in the xml, when I only want it to view the current tag that ties to the ip address tag, would appreciate any assistance ---> http://pastie.org/4574305
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<bluebie> zeknox: presumably e1 is an element with a similar 'elements inside me' kind of method you could use instead of querying xmldoc.elements
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<bluebie> it maybe fixed simply by replacing 'xmldoc' with e1 on line 17
<bluebie> but then, I don't use rexml, and don't care to learn it :S
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<bluebie> or... oh I think I get what you want
<CodeFriar> How do I tell rspec that I expect method X to call method Y
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<hoelzro> CodeFriar: why does it matter what methods method X calls?
<CodeFriar> just trying to be complete. new to testing.
<Spooner> CodeFriar : You can't directly check if X itself is calling Y, but you do @subject.should_receive(:Y); @subject.X
<bluebie> I'm sure you could do something horrible with the backtraces :)
<bluebie> but dont
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<bluebie> please
<hoelzro> CodeFriar: well, the problem then is that your tests depend on the fact that X calls Y
<CodeFriar> Spooner: thats what I'm doing but it's not working
<CodeFriar> hoelzro: thats the behaviour I want...
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<Spooner> hoelzro : It matters if you want to do true unit testing and not test Y at that point, for example if Y is accessing a database or something else slow.
<hoelzro> so if you want to change that, you need to change your tests and your code
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<zeknox> bluebie: I changed line 17 like you mentioned, it runs, but doesn't display anything now
<bluebie> mmm yeah sorry zeknox I misunderstood your problem :/
<bluebie> looking for better solution now
<bluebie> rexml :S
<zeknox> bluebie: yeah, its hard to explain
<banisterfiend> bluebie: sup bluebs
<bluebie> I get it now
<bluebie> hey banisterfiend - don't suppose you know rexml?
<banisterfiend> bluebie: nope
<banisterfiend> sry
<zeknox> what do you guys prefer I use to parse xml in the future? xpath?
<bluebie> zeknox: nokogiri is great
<Spooner> zeknox : What bluebie is trying to say is, if you use nokogiri or another commonly used XML thing in this day and age, then you'd get more wisdom here :)
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<bluebie> xpath is a query syntax, nokogiri is a parsing library (which can do xpath, as can rexml)
<bluebie> I personally prefer css selectors
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<zeknox> bluebie: Spooner: I understand guys, just started googling last night and working away at it
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<itcharlie> Where can I read more information about mod ruby?
<Hanmac> itcharile you mean like in apache mods?
<fowl> itcharlie: modruby hasnt been updated since 2008 iirc
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<itcharlie> yes. Actually I found the url. http://modruby.net/en/ seems like modruby.net/ needs a landing page instead of "It works"
<bluebie> itcharlie: You'll be wanting passenger these days
<Spooner> zeknox : You can probably get away with something like xmldoc.elements["address"].each
<itcharlie> bluebie, say what?
<zeknox> Spooner: you thinking of doing that on line 17?
<bluebie> itcharlie: Fusion's Passenger is an apache/nginx module for serving ruby webapps
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<bluebie> it works a bit like mod_php, loading up apps, shutting them down when they're not in use anymore
<Spooner> zeknox : both 16 and 17 - I don't know though, since I don't know the nmap.xml structure. I was being lazy (if you just want all the address tags from the doc, that will do fine).
<bluebie> pretty good for hosting some little apps for your personal site or whatever. There's better app server style stuff for if you're going to be the next github or tumblr
<itcharlie> I see thanks bluebie
<bluebie> zeknox: does a <host> only ever contain at most one address and one <hostscript><script>?
<Spooner> zeknox : Or use xpath, which people probably know better than rexml's API (disclaimer, I avoid XML like the plague, so I rarely have to worry and only learn the minimum I need in the circumstance when I can't).
<zeknox> bluebie: Spooner I'll post some sample xml
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<bluebie> zeknox: If this is your first dealing with xml in ruby, and you're not terribly invested in rexml, I'd switch to nokogiri. Let me know if you're keen on doing that and I'll post some example code for you
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<zeknox> bluebie: yeah im considering changing to nokogirl because I know that it is big now that you mention it, I'm only about 4 hours vested into REXML
<bluebie> alright post that example xml and I'll have a go at it for you :)
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<zeknox> bluebie: working on it :)
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<zeknox> bluebie: cool if I pm it over?
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<bluebie> if it's more than a few lines, paste it somewhere
<bluebie> my irc client will start ignoring you if you dump a lot of lines at me
<zeknox> im doing pastie, but want to keep it private
<bluebie> sure thing :)
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<csmrfx> Is there a ruby project template? github or...
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<bluebie> csmrfx: blank text file works fine
<bluebie> what sort of project are you hoping to make?
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<bluebie> rails has some 'generators' which are kind of like smart (or dumb depending who you ask) dynamic templates for big complex businessy webapp things
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<philcrissman> csmrfx: not a template, but there was a recent article about good patterns for ruby gems: http://rubysource.com/polish-your-gems/
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<zeknox> bluebie: thanks for the help, you da man!
<csmrfx> More like just have a nice simple directory structure and a .rb file with the correct encoding header, why not also have a var that points to where the filepath is
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* csmrfx is not much of a gem person
<csmrfx> ie. "ruby boilerplate"
<csmrfx> maybe have stuff for bundler / gem packagers etc ready in the project template too
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<bluebie> :)
<Spooner> csmrfx : bundle gem my_gem
<Spooner> Does some manner of template generation, but I havent' used it myself.
<bluebie> csmrfx: ruby doesn't need anything like that. Just make a file - you don't need any special stuff to get started
<bluebie> csmrfx: it's not like C or Java or whatever where you need some standard boring stuff to wrap the interesting bits
<csmrfx> Ruby doesn't need, *I* *want*
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<Spooner> bluebie : There is a lot of boilerplate you need to create a gem though though, which does take time to copy-and-paste from other projects.
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* csmrfx is not a ruby noob
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<csmrfx> HTML5 doesn't *need* the broilerplate, either
<csmrfx> but it is still *great*
<csmrfx> saves time, etc
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<Spooner> Anyway, just use bundler if you want, and don't if you don't :)
<bluebie> csmrfx: there's no boilerplate
<bluebie> I guess gems have a little bit :S
<bluebie> it's like a lib directory and a five line file
<bluebie> but whatever floats your boat I suppose
<fowl> csmrfx: say more things like *this*
<Spooner> Bit more than that, bluebie, and certainly a lot less than other languages.
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<bluebie> ruby is pretty much *the* language where if there were boilerplate, they built it in to the language already and got rid of it, IMO. #canuseasteriskstoo #andhashtags
<csmrfx> well I guess I will have to make a boilerplate
<fowl> most people these days have a stove, but whatever
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<Spooner> If you followed that link I pasted, it shows you. Gemfile, Rakefile, .gitignore, gemspec, main file in lib, version file.
<Spooner> I'd also suggest that bin/mygem is a pretty standard 100% boilerplate file.
<Mon_Ouie> Not all gems need a binary
<bluebie> yeah most don't
<bluebie> it'd be annoying for gems to polute my path with random crap messing up my autocomplete if they don't have a binary functionality
<Spooner> No, but many do. Just saying that there is plenty of repetition in every gem.
<bluebie> seems like a lot of opt-in repitition to me
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<Xeago> anyone good with english? unread notifications count, or unread notification count
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<bluebie> Xeago: "unread notification count"
<philcrissman> Xeago: bluebie +1, unread notification count.
<csmrfx> I used to banter HTML5 boilerplate project. But then had to start alot from the scratch. And suddenly realized there are dozens of small "10-minute" things that are "easy as hell" even to the smallest of project. Boilerplate saved me time. Doesn't matter if it's 10 minuter, or the more likely 60 minutes
<fowl> >> $0
<al2o3cr> (String) "-e"
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<fowl> >> DATA
<al2o3cr> -e:1:in `eval': uninitialized constant DATA (NameError), from -e:1:in `eval', from -e:1:in `<main>'
<rcassidy> >> ARGV
<al2o3cr> (Array) []
<bluebie> csmrfx: html isn't ruby
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<csmrfx> really?
<fowl> >> ENV
<al2o3cr> (Object) {"TERM"=>"linux", "PATH"=>"/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/usr/bin/core_perl", "LANG"=>"C", "SHELL"=>"/bin/bash", "LOGNAME"=>"jrajav", "USER"=>"jrajav", "USERNAME"=>"jrajav", "MAIL"=>"/var/mail/jrajav", "HOME"=>"/home/jrajav", "SUDO_COMMAND"=>"/usr/bin/ruby -E binary:binary -e result = eval(STDIN.read); puts \"(\#{result.class}) \#{result.inspect}\"", "SUDO_USER"=>"root", "SUDO_UID"=>"0", "SUDO_GID"=>"0"}
<csmrfx> well I never..
<bluebie> now that's an interesting output
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<rcassidy> >> Dir.glob "*:
<al2o3cr> -e:1:in `eval': (eval):1: unterminated string meets end of file (SyntaxError), from -e:1:in `<main>'
<rcassidy> >> Dir.glob "*"
<al2o3cr> (Array) ["usr", "bot.err", "log", "bot.rb", "bot.out", "sys", "root", "proc", "node_modules", "bin", "lib", "etc", "lost+found"]
<fowl> no use
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<bluebie> java aye
<fowl> >> Dir.glob ?*
<al2o3cr> (Array) ["usr", "bot.err", "log", "bot.rb", "bot.out", "sys", "root", "proc", "node_modules", "bin", "lib", "etc", "lost+found"]
<fowl> be leet
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<jrajav> Oh dear
<bluebie> lol single character strings
<fowl> >> ?f<<?a<<?t<<?t<<?y
<al2o3cr> (String) "fatty"
<bluebie> silly people
<shevy> rewrites are so tedious...
<jrajav> All my privatey privates
<shevy> be lucky that you have only 40 lines of code jrajav
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<bluebie> >> open('bot.rb').read
<al2o3cr> (String) "require 'cinch'\nrequire 'open3'\nrequire 'timeout'\n\ndef smush(text, length)\n array_len = (length / 3).ceil\n lines = text.lines.to_a.each { |l| l.chomp! }\n last = lines[-1]\n smushed = (lines.length < array_len ? lines.to_a[0..-2] : lines.to_a[0..(array_len-2)]).join(\", \")\n if smushed.length < length\n return last, smushed\n else\n return last, smushed[0..length] + \"...\"\n end\nend\n\n# Scriptlet ...
<al2o3cr> ... \"-u\", \"jrajav\", \"ruby\", \"-E\", \"binary:binary\", \"-e\", runner_script, resource_limits) do |i, o, e, t|\n i.print query\n i.close\n stdout = o.read\n stderr = e.read\n if not stderr.empty?\n result, error = smush(stderr, 400)\n m.reply \"\#{error}, \#{result}\"\n else\n result, output = smush(stdout, 400)\n m.reply ...
<al2o3cr> ... configuration\nrunner_script = 'result = eval(STDIN.read); puts \"(\#{result.class}) \#{result.inspect}\"'\nresource_limits = { :rlimit_cpu => 1, :rlimit_nproc => 4, :rlimit_fsize => 50000 }\n\nCinch::Bot.new do\n configure do |c|\n c.server = \"irc.freenode.net\"\n c.nick = \"al2o3cr\"\n c.channels = [\"#ruby\"]\n end\n\n on :message, /^>>(.+)/ do |m, query|\n Open3.popen3(\"timeout\", \"2\", \"sudo\", ...
<al2o3cr> ... jrajav\"\n m.reply phew.sample\n end\nend.start\n"
<al2o3cr> ... output.empty? ? result : \"\#{result}, Console: \#{output}\"\n end\n end\n end\n\n on :message, /^!(panic|zomg|dammit|apocalypse|reset)/ do |m, query|\n panic = [\"AAAAAAAH\", \"PANIC\", \"HOLY HELL\", \"AAAAUUUUGH\", \"SWEET ZOMBIE JESUS\", \"NOOOOOOO\", \"SAVE YOURSELF\"]\n phew = [\"All better\", \"Phew!\", \"Crisis averted\", \"Still alive~\"]\n m.reply panic.sample\n Process.spawn \"pkill -u ...
<jrajav> Holy god
<jrajav> lol
<bluebie> hey neat source code
<fowl> what
<rcassidy> whaaaa
<shevy> I still have to port about 4000 lines of old ruby code
<fowl> Hahaha
<shevy> ack
<shevy> SPAM!
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<jrajav> How did that manage to get around the flooding controls
<carloslopes> lol
<shevy> lol
<jrajav> I truncate all string at 400 chars
<bluebie> well I'm having fun
<Spooner> bluebie : Lots of gems don't need Rakefile or Gemfile? Yeah, you don't strictly need it, but the point of boilerplate generators is to create a lot of standard stuff that will mostly be useful. Doesn't mean you can't either use it and then edit it or just not use it, but it sets a nice standard if you want to save 10 minutes of rote creation on a new project.
<rcassidy> >> File.new("rcassidy.txt", "w").puts "I doubt this will work."
<al2o3cr> -e:1:in `eval': Permission denied - rcassidy.txt (Errno::EACCES), from (eval):1:in `new', from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<bluebie> IDK you probably need the gemfile
<jrajav> rcassidy: Odd.. that actually *should*
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<rcassidy> jrajav: i was able to do it before you patched it some
<jrajav> rcassidy: I guess you can't create a new file if the directory's not executable?
<Spooner> And whoever is spamming the bot on irrelevant stuff, rather than using PM, is close to getting a /ignore on the bot :/
<rcassidy> jrajav: i think you blocked it more than you thought - can't do this either
<Mon_Ouie> mkdir -p gem/lib; cp gem.rb gem/lib/gem.rb; add gemspec
<bluebie> >> File.new('/tmp/bluebie.txt','w').puts "we cool bro?"
<al2o3cr> -e:1:in `eval': No such file or directory - /tmp/bluebie.txt (Errno::ENOENT), from (eval):1:in `new', from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<Mon_Ouie> That's pretty much all I *always* need
<bluebie> aw
<rcassidy> >> File.open("log").gets
<al2o3cr> (NilClass) nil
<bluebie> what kind of a crazy linux doesn't have /tmp
<Mon_Ouie> And come on, stop spamming this channel with the bot
<Muz> If you're going to dick about with the bot, do it in a PM.
<Muz> If you've actually something interesting, or not done before, post it to the channel.
<Muz> *actually done
<fowl> lol @ the amount of times "the bot" was just said
<bluebie> kk :)
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<banisterfiend> Mon_Ouie is about to use the banhammer
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<fowl> there are 666 ppl in here
<jrajav> I'll see if I can fix the fact that you can't write files
<jrajav> But not today
<jrajav> I've hacked around with the bot way too much lately >_>
<Spooner> Mon_Ouie : so that is all the boilerplate you need. Fine. Not sure why that stops other people using a generator to create more files if they aren't forcing you to do it too.
<jrajav> I'm a lot more likely to add aliasing first
<jrajav> If I add anything to the bot
<shevy> bluebie the bot is in a chrooted sandbox
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<bluebie> is the chroot the only sandboxing? <_<
<shevy> it wants to break out of it
<Mon_Ouie> Nothing, I was just stating a fact
<shevy> dunno... there are only 6 files in /usr/bin or something like that
<jrajav> bluebie: Other than what you see in the source, yup
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<jrajav> bluebie: The scripts are also run in a separate process with various resource limits
<Spooner> bluebie : It is in a VM too, so it isn't going anywhere.
<shevy> FAMOUS LAST WORDS!!!
<jrajav> And yeah the whole linux box is just a vm
<bluebie> lol
<jrajav> And the bot is the only thing on it
<banisterfiend> when building C extensions there can be more boilerplate
<bluebie> oh right
<banisterfiend> i like to use templates for that
<banisterfiend> and also for specific kinds of gems, like pry plugins, i have gem templates for that too :)
<bluebie> I kind of want to /part just so I don't have to read 'boilerplate' again tonight
<jrajav> bluebie: More easily readable source: github.com/jrajav/al2o3cr
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<banisterfiend> bluebie: let's call them pot boilers
<bluebie> jrajav: Neat! ^_^
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<jrajav> Yo dawg I heard you like boilerplate
<adac> Currently I'm dowonlaoding a file via mechanize like this: "agent.get(URL).save PATHTOFILE" Now thsi does not simply overwrite the file if it already exists, but saves the file again numbered. How can I tell "save" to overwrite it? Any ideas?
<bluebie> you could rm the file before downloading it <_<
* csmrfx infinite lazyness
<chiel> hmm
<chiel> has any of you ever written a restart script for unicorn?
<chiel> I guess it's not too hard
<chiel> Process.kill('USR2') or something
<csmrfx> ie. a daemon that restarts if fail
<bluebie> unicorn doesn't come with something like that in the form of an rc.d script?
<shevy> adac one work around - FileUtils.rm PATHTOFILE if File.exist? PATHTOFILE
<chiel> don't think so, you need to script it into the config, so it knows what to do on forking and stuff
<chiel> and then you send it to USR2 to gracefully shut down the current master and bring up a new one
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<bluebie> shevy: Or even ask forgiveness! FileUtils.rm PATHTOFILE rescue nil
<chiel> the first worker on the new master will then send a QUIT to the old master
* bluebie is a bad person
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<shevy> ewww
<adac> bluebie, yes I could but that would be one "if" more ;)
<chiel> just need to dig into it, I guess :D
<shevy> I hate rescue nil expressions
<adac> shevy, ^^
<shevy> ada2358, but save is a method
<shevy> what arguments does it accept?
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<shevy> because if it does accept only one argument, I dont see how you can tell it to overwrite or remove the file directly
<shevy> sorry
<shevy> I meant adac
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<Spooner> Or just FileUtils.rm "blob.fish", force: true
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<Spooner> or rm_f, of course.
<adac> shevy, I think it is this: http://mechanize.rubyforge.org/Mechanize/Download.html#method-i-save I found the mechanize doku some kind of difficult to handle
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<anoldhacker> I'm wanting to check which of two valid symbols my method has been passed (in C). The README.EXT led me to believe that String ValueCStr would work, but it only wants real Strings.. Help?
<adac> Spooner, yes that sounds good
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<Spooner> andrenkov : You can do SYM2ID(symbol) == rb_intern("frog"), which saves messing with strings.
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<anoldhacker> Spooner: was that answer for me?
<Spooner> anoldhacker : Sorry, autocomplete hates me.
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* anoldhacker think that autocomplete hates EVERYONE...
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<Hanmac> PS: first you could check with SYMBOL_P(sym) if an VALUE is realy an symbol
<Spooner> We just need to make #ruby less popular, so there aren't multiples of people with the same first 2-3 characters. Right, where was that spam-bot again. I'm going to boilerplate it to death.
<shevy> haha autocomplete
<shevy> ada2358 vs adac
<anoldhacker> Hanmac: Already did that. ;)
<shevy> xchat prefers ada2358
<shevy> :(
<bluebie> autocomplete loves me
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<Mon_Ouie> I configured my client to only autocomplete up to the last unambiguous character
<Hanmac> why is the most evil spamer one of the Channel ops?
<Mon_Ouie> Saves some mistakes :p
<adac> shevy, yes xchat does weird things with the autocomplete. Its really annoying
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<fowl> Hanmac: his Programs are extra Meta; in other words he has been deemed Enlightened enough to lead us
<shevy> Hanmac so he can ego-control #ruby like zenspider does on #ruby-lang
<Mon_Ouie> Hm; maybe because he lives where people walk upside down, so he's there when everyone's asleep? :p
<banisterfiend> Mon_Ouie: hmm, then u have no excuse for referring to me as 'baby:' in #pry
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<bluebie> now as I understand it, #ruby-lang is not a fun happy go lucky place
<bluebie> Why once told me to never go in there
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<bluebie> is that still the case?
<shevy> dunno, it depends
<Muz> They're less tolerant of idiots.
<shevy> some people on #ruby-lang are never here on #ruby
<Muz> I guess the question is, are you an idiot?
<banisterfiend> bluebie: it's pretty much dead these days
<fowl> bluebie: go in there and ask obvious ruby questions
<bluebie> Muz: yes
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<Spooner> Muz I'll stay here then :)
<Muz> :p
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<shevy> my biggest problem with it is that you must be registered now in order to speak on #ruby-lang
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<bluebie> elitist ruby
<bluebie> okay
<shevy> yeah but also some smart folks
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<bluebie> meh who needs 'em!
<Hanmac> bluebie some of the users there are banned on #ruby-lang :P
<shevy> hehe
<shevy> RubyPanther is still banned? :D
<bluebie> what we lack in quality we make up for in quantity!
<fowl> bluebie: its lead by a group called seattlerb, and we all know what seattle is made of... hipsters.
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<Hanmac> shevy do i need you to remember at Tintin? XD
<bluebie> doubtless they were in to ruby before it was cool
<shevy> hmm tintin... which tintin... not the MUD client or?
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<fowl> ha
<shevy> bluebie even matz used to be on #ruby-lang
<Hanmac> no i mean the user that anoy us all
<shevy> Hanmac or do you mean that comic?
<shevy> aha
<bluebie> shevy: neat
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<Mon_Ouie> s0phie is probably the weirdest I've seen
<shevy> bluebie, yeah, but he left one day. I think he said that IRC takes too much time and distracts too much
<Mon_Ouie> (After banisterfiend, that is)
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<bluebie> that's true!
<shevy> is that the man-girl?
<bluebie> I'm glad matz left
<banisterfiend> Mon_Ouie: bluebie is a real girl
<banisterfiend> probably the first in #ruby
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<bluebie> because ruby 1.9 is really nice
<fowl> lol i should get blimlimb up and running and put on a show for #ruby-lang
<shevy> bluebie, matz hacks on mruby these days -> https://github.com/mruby/mruby last commit by him one day ago
<bluebie> banisterfiend: oh sure we're going to make this in to a thing?
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<Mon_Ouie> shevy: Yeah (or at least one of them :p)
<bluebie> do I need to change my 'realname' to something ambigious?
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<csmrfx> What is this Off-Topicsies on hier?!=!
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<banisterfiend> bluebie: no...i dont think anyone cares that you're a girl
<shevy> it's ruby in the real world!
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<bluebie> good
<csmrfx> How diff is it to get vim to jump to the error line after :!ruby codez.rb errors?
<fowl> csmrfx: our programs be Meta, thus we scoff Indignantly
<bluebie> bad memories of freenode ten years ago when people cared a lot :S
<Mon_Ouie> bluebie: Glad matz left what?
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<shevy> #ruby-lang :D
<bluebie> Mon_Ouie: IRC to be more productive!
<lectrick> How do I pass an implicit block along to another method? Do I have to accept it explicitly?
<Mon_Ouie> Oh
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<bluebie> I like the stuff Matz makes :)
<banisterfiend> lectrick: &Proc.new
<shevy> yugui_zzz is here but she seems to sleep always
<banisterfiend> lectrick: def my_each; (1..10).each(&Proc.new); end
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<Hanmac> shevy tintin was the guy how wants that "class A < B" is replaces with "class A extends B" ... as sample
<Mon_Ouie> There are couple of core commiters on #ruby-lang, though only drbrain is active on IRC
<banisterfiend> >> def my_each; (1..10).map(&Proc.new); end; my_each { |v| v * 2 }
<al2o3cr> (Array) [2, 4, 6, 8, 10, 12, 14, 16, 18, 20]
<lectrick> banisterfiend: wait, wait. I have a method that took an implicit block via &block. I want to call method_two(&block), but method_two isn't seeing it.
<banisterfiend> lectrick: that's an EXPLICIT block :)
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<lectrick> banisterfiend: but it's got the & magic. Isn't an explicit block taking it as an arg?
<bluebie> I wonder if mruby would run on tiny 8-bit computers
<banisterfiend> lectrick: no
<bluebie> that could be cool
<banisterfiend> lectrick: watch
<banisterfiend> explicit:
<banisterfiend> >> def hello(&block); block.call; end hello { "hi" }
<al2o3cr> -e:1:in `eval': (eval):1: syntax error, unexpected tIDENTIFIER, expecting $end (SyntaxError), def hello(&block); block.call; end hello { "hi" }, ^, from -e:1:in `<main>'
<Hanmac> i wonderd why there is an output from al2o3cr without >> .... and then i remember that one user there is blocked
<banisterfiend> >> def hello(&block); block.call; end; hello { "hi" }
<al2o3cr> (String) "hi"
<banisterfiend> lectrick: implicit
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<lectrick> ok so I call the method from my method with method_two(&Proc.new) ?
<banisterfiend> >> def hello; yield; end; hello { "hi" }
<al2o3cr> (String) "hi"
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<Mon_Ouie> If you use regular arguments, it's not even a block that gets passed
<lectrick> Yeah, you're right, it's just an argument variable
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<shevy> Hanmac haha good point. he kept on spamming me in PRIVMSG with useless crap so I had to ban him too
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<lectrick> ah shit i had the arg in the wrong place, I got it to work
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<lectrick> you just pass it along to the next method with &block
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<shevy> http://mechanize.rubyforge.org/Mechanize/Page/Base.html how does mechanize use .html pages? are these yard generated or something?
<shevy> the documentation part
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<Muz> shevy: bottom left, it mentions what was used to generate the pages.
<shevy> cool
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<shevy> darkfish rdoc
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<csmrfx> ruby regexp patterns: how to return a match a or be (";" or escaped double-quote)?
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<csmrfx> hm, is the method String.scan...
<Hanmac> shevy did you see the new microsoft logo?
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<shevy> Hanmac nope. dont use MS much these days
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<csmrfx> What do you call it when you want the match between pattern a and pattern b? (for example, between 'param=' and ';')
<Hanmac> you mean like this? /param=\w*;/
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<csmrfx> hm, lets see
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<rcassidy> >> /param=\w*;/.match('param=grapefruit;')
<al2o3cr> (MatchData) #<MatchData "param=grapefruit;">
<csmrfx> Hanmac: almost
<csmrfx> the key word being *between*
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<csmrfx> ie. exclude the 'pattern delimters' param= and ;
<Hanmac> >> /param=(\w*);/.match('param=grapefruit;')[1]
<al2o3cr> (String) "grapefruit"
<rcassidy> >> /param=\w*;/.match('param=grapefruit;')[0]
<al2o3cr> (String) "param=grapefruit;"
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<rcassidy> i seeeee
<csmrfx> aha
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<csmrfx> hm, so what you call that?
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<rcassidy> >> /param=\w*;/.match('param=grapefruit;')[2]
<al2o3cr> (NilClass) nil
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<Hanmac> but i would use some ini parsing lib
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<csmrfx> hm, how do you know it is 'grapefruit' btw
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<Hanmac> it was an sample
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<csmrfx> Heh, I am thick, I do not grok how to combine scan, match and result group [1]
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<josemota> hi everyone, i'm running `time rspec` and the time shows up instantly before running the specs. what gives? has anyone had this happening?
<csmrfx> hm, mebbe in block
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<josemota> am i missing something?
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<csmrfx> Ok, I grouped em with parenthesis dstr.scan(/(param=)(\w*)([;|"])/) { |rr| p rr }
<csmrfx> now it works, thanks Hanmac rcassidy
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<csmrfx> varified: dstr.scan(/(#{strt})(\w*)([#{enrt}|"])/) { |rr| p rr[1] }
<csmrfx> pretty readable, huh
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<csmrfx> at least it can be commented after x-yfying it
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<csmrfx> when using variables in a regexp, can vars be reset or does the regxp need to be re-created?
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<csmrfx> +when creating a regexp instance into a var
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<fowl> huh
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<fowl> you mean x = /someregex/ or /someregex#{x}/
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<csmrfx> If one do: byrd = "fowl"; rexp = /A #{byrd}; and then byrd = "apeiros", which will it match?
<csmrfx> it = rexp
<csmrfx> ah
<fowl> r would be /A fowl/
<csmrfx> It will interpolate when instancing
<csmrfx> not lazy
<csmrfx> gosh
<csmrfx> can it be made lazily?
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<fowl> rexp = -> { /A #{byrd}/ }
<atmosx> [*] CVE-2010-EASY Android local root exploit (C) 2010 by 743C
<atmosx> ahaha that's fancy...
<csmrfx> fowl you put the rexp in a lambda block?
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<fowl> csmrfx: yes then change byrd and call it
<csmrfx> bybybybyytfbyyrdbyyrd
<fowl> compare against regx[]
<Muz> Everybody's heard that the byrd is the wyrd.
<csmrfx> I mean, it almost defeats the purpose of interpolating if can not re-use
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<fowl> considering that string interpolation works the same way i think you should stop crying
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<csmrfx> bwah!
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<csmrfx> bwyah! it return an arr in an arr
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<csmrfx> next: I put the lime in the coconut
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<csmrfx> hm, vim doesn't like my lambda-regexp-block-groups
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<csmrfx> hm, or it's probably the #{} in the middle
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<csmrfx> thank you fowl! rather nice
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<flargh2> Anyone know how I can generate symbols in an extension so valgrind can show line number?
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<Mon_Ouie> Compile with $CFlAGS << " -g"
<flargh2> I've tried that and still no line numbers.
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<flargh2> I can get line numbers with a hand-made makefile using -g in both LDFLAGS and CFLAGS without using the extension. But I can't seem to get them for the extension.
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<flargh2> Is there something special about running ruby under valgrind that blocks line numbers?
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<Hanmac> shevy do you want to be my magican that converts my camels into snakes?
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<shevy> Hanmac nah, I need to finish this rewrite
<shevy> 4000 lines of old code still left
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<csmrfx> >> "CanICamelThis"..gsub!(/(.)([A-Z])/,'\1_\2').downcase!
<al2o3cr> -e:1:in `eval': undefined method `gsub!' for main:Object (NoMethodError), from -e:1:in `eval', from -e:1:in `<main>'
<csmrfx> >> "CanICamelThis".gsub!(/(.)([A-Z])/,'\1_\2').downcase!
<al2o3cr> (String) "can_icamel_this"
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<csmrfx> close, close
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<Hanmac> csmrfx yeah ... you could do it for me in my c++ binding :P
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<djbender> whois tuxbiker
<djbender> dammit sorry.
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<Muz> >> meh = ""; "CanICamelCaseThis".scan(/([A-Z])([a-z]*)/) do meh << "#{$1}#{$2}_" end; meh.sub(/_$/, '')
<al2o3cr> (String) "Can_I_Camel_Case_This"
<Muz> >> meh = ""; "CanICamelCaseThis".scan(/([A-Z])([a-z]*)/) do meh << "#{$1}#{$2}_".downcase end; meh.sub(/_$/, '')
<al2o3cr> (String) "can_i_camel_case_this"
<csmrfx> Hm, flattening hash with arrays of arrays in to simple list: hash key\n arr1\n arr2\n ...?
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<csmrfx> hash.each_pair{ |k,v| v.each { |arr| #interplox 2 string } } seems glungy
<Spooner> >> meh = ""; "CanICamelCaseThis".scan(/([A-Z])([a-z]*)/).map(&:downcase).join("_")
<al2o3cr> -e:1:in `eval': undefined method `downcase' for ["C", "an"]:Array (NoMethodError), from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<Spooner> oops
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<Spooner> >> meh = ""; "CanICamelCaseThis".scan(/([A-Z][a-z]*)/).map(&:downcase).join("_")
<al2o3cr> -e:1:in `eval': undefined method `downcase' for ["Can"]:Array (NoMethodError), from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<Spooner> I should give up or use pry first :)
<csmrfx> dont you need exactly one A-Z and zero or more a-z
<Hanmac> >> "CanICamelCaseThis".scan(/[A-Z][a-z]*/).map(&:downcase).join("_")
<al2o3cr> (String) "can_i_camel_case_this"
<lectrick> There's no const_added hook, is there
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<Spooner> Hanmac : I totally forgot how scan works :)
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<enricostn> hi, I was googling around but I cannot understand the difference between a = a || {} and a = a ||= {}, with a undefined in both cases
<Hanmac> >> "CanICamelCaseThis".scan(/[[:upper:]][:lower:]]*/).map(&:downcase).join("_")
<al2o3cr> (eval):1: warning: regular expression has ']' without escape: /[[:upper:]][:lower:]]*/, (eval):1: warning: regular expression has ']' without escape: /[[:upper:]][:lower:]]*/
<Hanmac> >> "CanICamelCaseThis".scan(/[[:upper:]][[:lower:]]*/).map(&:downcase).join("_")
<al2o3cr> (String) "can_i_camel_case_this"
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<Spooner> enricostn : the former one doesn't work if a is undefined (only if a is nil).
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<limes> could someone tell me how to / where to fix > http://pastebin.com/7M2NxV3U < observer.rb:126:in `add_observer': observer needs to respond to `update' (NoMethodError) cant find a hint on google...
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<enricostn> Spooner: in irb if I type a = a || {} I get {}
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<Spooner> enricostn : You do indeed. I was wrong. Well, there is no difference then. ||= is just shorthand (like +=)
<Norm> can a gemspec file define groups, like a Gemfile? or do i have to configure groups in the gemfile?
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<Muz> Norm: groups are a feature of Bundler and belong in the Gemfile, not hte gemspec.
<Muz> The gemspec is used for building the gem that's shipped by RubyGems.
<Mon_Ouie> There are differences, a ||= {} is more like a || (a = {}) (and does implicitly define local variables)
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<Norm> Muz: ok thanks
<Spooner> Norm : bundler does assign :default and :development groups though.
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<Spooner> Based on the gemspec.
<Norm> the distinction between Gemfile and gemspecs is still a little hazy
<Norm> Spooner: got it
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<Mon_Ouie> If you call it with a method, the setter will never be called if the getter returns something that isn't false or nil
<Norm> if i define dependencies in my Gemfile, will they get loaded by bundler/setup?
<Hanmac> (or undefined :D)
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<Spooner> Norm : Yeah, it is a great shame that the functionality of bundler is separated from rubygems.
<enricostn> Mon_Ouie: how I could check this in irb?
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<Spooner> norm dependencies how?
<Mon_Ouie> The typical example uses hashes. h = Hash.new(0); h['foo'] ||= 1; p h
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<Mon_Ouie> ^ the hash will still be empty
<Mon_Ouie> Actually
<Norm> Spooner: in my gemfile, if i do "gem 'eventmachine'", it seems that bundler knows to load it
<Mon_Ouie> >> h = Hash.new(0); h['foo'] ||= 1; h
<al2o3cr> (Hash) {}
<Sou|cutter> Norm: depends on what groups they're in
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<Mon_Ouie> >> h = Hash.new(0); h['foo'] = h['foo'] || 1; h
<al2o3cr> (Hash) {"foo"=>0}
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<Spooner> It does. I think you want to use "gemspec" method in your Gemfile?
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<Mon_Ouie> (Still getting used to having that bot here :)
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<Norm> Spooner: yeah, i do have 'gemspec' in there. but if this just loads the gemspec file, i lose the ability to declare dependencies for a specific group
<Muz> Mon_Ouie: you mean it has a use other than people trying to break it?!
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<Norm> Spooner: so, as i see it, i have to declare my "global" dependencies in my gemspec, and the per-group dependencies in the gemfile?
<Muz> Norm: dependencies in the gemspec should be items that anyone who wants to use your gem in a production environment will need to run it. Deps in your Gemfile are items you'll need to develop on your gem before you package and ship it.
<Sou|cutter> gemspec has the concept of development dependencies
<Sou|cutter> but gemspec is certainly not as flexible as Gemfile groups
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<Norm> Muz: got it
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<Muz> Example: Gemfile contains 'cucumber' for testing your development, but you dont' want other people who install your gem to need to install cucumber just to use your lib.
<Norm> Muz: right, i wanted to use the Gemfile to define groups other than just prod & test
<Norm> seems that's not exactly how it's going to work :)
<Spooner> norm Sadly, yes, I think that is what you need to do, but really your gemspec is all that is run by your gem when used by others, so adding more deps in your Gemfile doesn't really help.
<Muz> That is a very rudimentary overview of the differentiation between where you list deps though.
<Sou|cutter> Muz: in gemspec you can use add_development_dependency
<Muz> Sou|cutter: yup, but then there are times when you may want to have gems installed for your local development that you don't want others downstream to /need/
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<Muz> Like I said, a very rudimentary overview. But yeah, locally, you may be maintaining all manner of additional guff in your Gemfile for your project and local gemset that aren't pertinent to development deps in your gemspec.
<Sou|cutter> Muz: add_development_dependency is effectively equivalent to putting a gem in a development group in bundler
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<Sou|cutter> users of your gem will not have development dependencies added to their dependency tree
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* Muz is aware of the difference between spec.add_dependency, and spec.add_development_dependency. :)
<enricostn> Mon_Ouie: in this case for example http://rails.francik.name/tutorial/chapter/12#35 look at add and index methods
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<Muz> Sou|cutter: we have all manner of internal gems we use here that I wouldn't want to have people expect to have access to in order to make further downstream changes
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<Sou|cutter> that sounds like a messy situation
<Cork> i'm looking for a text parser that uses templates (sort of a revers template rendering format)
<Cork> has anyone heard of something like that?
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<Mon_Ouie> enricostn: What exactly about them?
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<Hanmac> shevy is "create_billboard_chain" still a good name for snake_case? :(
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<eric-wood> fuck contenteditable
<eric-wood> every browser generates different markup
<eric-wood> and it's all bullshit
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<eric-wood> anyone here ever do anything with it?
<eric-wood> I could use some insights
<enricostn> Mon_Ouie: in the add method they use ||= operator, but in the index method they use ||
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<Mon_Ouie> I guess for some reason they don't need to set session[:car] to {} in index
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<Mon_Ouie> They may not need it at all, in fact
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<enricostn> Mon_Ouie: do you mean that in cart = session[:cart] ||= {} if session[:cart] is nil or undefined then cart but also session[:cart] will be set to {}?
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<Mon_Ouie> session[:cart] can't be undefined
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<Mon_Ouie> That undefined part only applies for variables
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<Mon_Ouie> And, yes that's what will happen
<enricostn> ah ok
<kapowaz> is there any way of ensuring that the output from a shell command invoked as part of a ruby script doesn't ever get output to stdout?
<kapowaz> I'm running `someutil --options` and it's outputting some things regardless
<enricostn> Mon_Ouie: ok, I got it. thank you!
<kapowaz> I'd like it to be entirely quiet so that I can provide my own output based on the processed results
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<Mon_Ouie> You can use IO.popen and get the input as an IO stream
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<Mon_Ouie> Well, the output of that program
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<kenichi> if you're running `something` and seeing output, isn't it more likely that output is going to stderr?
<kenichi> kapowaz: ^^
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<kapowaz> that's also possible
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<kenichi> try `something 2>&1` or something like that
<kapowaz> but I have no control over how that program works :(
<kapowaz> aha
<kapowaz> perfect!
<kapowaz> thanks!
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<kenichi> np
<kapowaz> that redirects stderr to stdout ?
<kenichi> y
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<kapowaz> excellent, sidesteps ruby completely :)
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<alien_move> hi
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<alien_move> what's the difference between <%= and <% ?
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<sixtycakes> <%= will execute and print the result
<sixtycakes> <% just executes
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<alien_move> thanks sixtycakes
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<eam> naming convention for rubygems seems to be "clever and artsy" as opposed to "descriptive of function"
<davidcelis> eam: You mean naming my BreweryDB wrapper "brewhouse" is a bad idea?
<rking> eam: Hehe, well, it's better than CPAN where the good names get hogged by the first implementation, not the best implementation.
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<codefriar> using rspec, how can I test that a method throws an error when the results of a method it calls are X ?
<eam> rking: always an issue, I agree
<Sou|cutter> yeah, BreweryDBWrapper is the worst
<iamjarvo> does a teardown method in a testhelper get called after each test
<davidcelis> right? that's a shitty gem name
<rking> Like "hpricot" then "nokogiri". I don't really need them to be more descriptive than that.
<iamjarvo> or just after the suite
* davidcelis sticks with Brewhouse
<eam> not sure it's better though. I'd prefer "posix_spawn" over "spoon" for example
<rking> codefriar: Mock then wrap in a lambda and assert that it throws.
<Hanmac> "YetAnotherStupidLongName" ?
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<Sou|cutter> codefriar: lambda { someCode(X) }.should raise_error(ErrorType) or something
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<eam> anyway I figure if I'm going to make gems I should embrace the community standards. I've been sitting around all morning with a thesaurus and thinking of puns
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<Sou|cutter> nobody's going to use your gem anyway, just pick whatever comes to your brain
<rking> codefriar: http://rubydoc.info/gems/rspec-mocks/frames + what Sou|cutter said.
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<Sou|cutter> and so the most popular gem ever with the stupidest name ever was born!
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<codefriar> I don't think I've ever used lambda
<davidcelis> codefriar: how do you sleep at night
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<rking> eam: Aww, come on! posix_spawn vs spoon is a no-brainer. "Spoon" is like a "fork", and there's no need to spell out what is basically an incidental implementation detail in a gem that could be coded also in Win32.
<codefriar> badly
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<limes> `add_observer': observer needs to respond to `update' (NoMethodError) | who can help out telling me how to fix that ? http://pastebin.com/7M2NxV3U | line 27
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<rking> codefriar: RSpec is using it in a particular kind of way, here. There are more general cases for it.
<eam> rking: nah I think it's really harmful actually. I know what posix_spawn() is, but now I have to remember it's in this weirdass spoon module
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<eam> and I don't mean to pick on spoon, it's a prevalent issue
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<eam> reinventing names for established things outside the ruby environment just makes for confusion imo
<rking> eam: But it's not only a "posix_spawn" gem. It's more about prefork/postfork abstraction.
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<eam> eh?
<rking> No, I'm mixing it up. =D
<rking> Kind of proving your point. =D
<eam> see? !!
<iamjarvo> the answer to my earlier question is it gets run after each tet if in ahelper file
<rking> I was actually thinking of Spork.
<eam> yeah
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<eam> name unrelated to function :
<eam> :(
<canton7> limes, given that line 27 is an 'end' statement, do you mean 26? :P
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<rking> eam: Naming is one of the two hard problems in computing.
* zeknox is falling in love with nokogiri
<limes> canton7: possible too :) but what does he want me to do ? just cant find nothing on the internet -.-
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<eam> rking: it's just something I noticed as unique to the ruby community
<eam> most other languages tend to use functionally descriptive identifiers
<canton7> limes, your Dummy class needs to implement the function 'update', as the error says
<Sou|cutter> nokogiri is alright, but for whatever reason (even after compiling a custom libxml) I can't seem to get encodings to work
<eam> (for the most part, not as an absolute rule)
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<canton7> limes, sorry, wrong way around. In order for the websocket to be given as an observer to Dummer, which includes Observable, it needs to implement 'update'
<canton7> s/Dummer/Sunny
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<limes> canton7: and this is the point .. just dunno how what to put there... any ideas or code snippets to fixx ? :)
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<canton7> *Dummy. grr
<lolzie> Hi guys: puts line.split(//).map { |x| x.downcase.tr('a-z', '1-26') }
<canton7> limes, what are you trying to do?
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<lolzie> Why does that not output the numerical position of each letter?
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<lolzie> Input 'sky' returns 6,6,6 :\
<koshii> Hey guys, is the "@" character something that has to be escaped? When I add this to by ruby code: cmd = `ssh -o ConnectTimeout=120 root@` I get a wrong number of arguments error.
<koshii> (it works fine without it)
<Sou|cutter> it's really a libxml issue I suppose
<limes> create upd server listening wich puts its received data to a websocket wich presents its data to an html page kind of an live ticker
<rking> eam: The Ruby names are a unique balance of forces on that problem, yes, but I've not suffered for it, much. Very many of them are clever but clear if you know the origins.
<eam> rking: that's my problem, I don't know the ruby origins -- only the generic platform features I want
<rking> koshii: Shouldn't be, though technically that depends on the shell invoked.
<koshii> rking: bash?
<eam> koshii: appears you're missing a hostname
<koshii> eam: That's on another line. I'm reading a list of hosts from a text file.
<rking> koshii: It's on another line?
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<koshii> err in the code
<rking> How would it get sent to the shell invocation, then?
<lolzie> haha
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<rking> At least lolzie got some lulz out of the situation.
<koshii> def ssh cmd = `etc` puts cmd end
<canton7> limes, the problem being that you haven't written the code that tweels the WebSocket instance how to be an observer
<koshii> then later, ssh line, with line being the current line from the list of hosts
<canton7> s/tweels/tells
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<koshii> Oh, does puts insert a carriage return?
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<fowl> yup
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<rking> koshii: I'm confused. Only the stuff in between ` and ` are going to go to the command invocation.
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<lolzie> rking: I'm not sure it's you that's confused
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<limes> canton7: im quite new to all this an, got a working udp server und a working socket server but just cant figure out how to put them together :(
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<koshii> rking: What I want to do is ssh into each server and run a few commands.
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<rking> koshii: You're passing line to the ssh method, but the ssh method expects no arguments.
<rking> It's like my wife.
* rking looks over shoulder.
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<fowl> +1
<koshii> rking: Oh so I'm actually doing it backwards from how I should be doing it?
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<koshii> rking: I should be passing TO the ssh def
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<canton7> limes, you could do $mim.add_observer(ws, :send)
<JoshLambert> I have a question about Ruby arrays
<canton7> that would make notify_observers (line 10) cause ws#send to be called
<limes> koshii: might take a look at http://rush.heroku.com that should do the job i think
<lectrick> Is there any way to hook into when a class definition finishes/closes?
<fowl> koshii: give the method some args, then you can interpolate with #{}
<canton7> limes, (well, you could in theory: I haven't tried it)
<JoshLambert> How do I access the email address value from within the loop? "http://pastie.org/4575399"
<rking> koshii: You want something more like this: https://gist.github.com/25050c98e6a41d666c3c
<limes> canton7: ill try :)
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<eam> koshii: you might find this useful: https://rubygems.org/gems/mssh
<rking> fowl talks about it, I code about it. That's the winner's difference, right there.
<koshii> Aha
<koshii> rking: Thank you!
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<canton7> johnduhart2, the email address will be in item['vlue']
<canton7> * item['value']
<koshii> limes / eam: too complex for now :-) But thank you, these are bookmarked for later.
<fowl> koshii: also, your lines might have \n on the end so you might want to chomp them
<canton7> JoshLambert, ^^
<JoshLambert> canton7: Ok, thanks.
<JoshLambert> canton7: I'm a PHP guy trying to get my head around RoR.
<limes> canton7: gives me "`add_observer': wrong number of arguments (2 for 1) (ArgumentError)"
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<koshii> fowl: How can I know if they have \n at the end of them? And chomp is some kind of built-in method?
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<fowl> koshii: if they are printing out on each line then they have a newline because print() doesnt put a newline at the end, puts() does
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<limes> koshii: http://rush.heroku.com/handbook/remote its not that complex :)
<koshii> fowl: Right.
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<canton7> anyway brb
<fowl> koshii: String#chomp
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<lolzie> Is it possible to achieve "str".tr('a-z','1-26') # without the latter being parsed as 1-2, 6?
<lolzie> I'd like the z to be replaced by a 26
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<koshii> Got it.
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<koshii> fowl: Wouldn't it be easier for me to just use print() then?
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<rippa> lolzie: str.gsub(/./) {|c| (c.ord-96)}
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<lolzie> I was hoping to avoid ord stuff and have a clear cut transliteration, but if there's no alternative! ta
<rippa> str.gsub(/[a-z]/) {|c| (c.ord-96)}
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<rippa> transliteration is for char-to-char conversion
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<lolzie> 96 is horribly.. unobvious
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<fowl> koshii: you chomp it so that you aren't running `ssh ...\n` or `ssh ...\cr\lf` though it probably work with \n at the end
<rking> lolzie: You could do c.ord-?a.ord-1
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<rking> I'm not a fan of MagicNumbers, either.
<fowl> rking: what about magicfilaments?
<rking> Cunningham et Cunningham, http://c2.com/cgi/wiki?MagicNumber
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<koshii> rking: Since I actually want to run that df -h on the servers (appending it to the SSH command-line string), do I really need a whole def for it, and does the way I have it structured make sense in that case?
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<rking> koshii: Splitting out a method is good for basically two (?) things: composing into other methods, or communicating intent.
<rking> For this one I think it communicates intent.
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<rking> Replaces a comment with a method name.
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<rking> Wait wait
<rking> No no, that du shouldn't happen in ``s, that'll execute it on localhost.
<koshii> rking: Makes sense, but how can I pass my `df -h` to the other method command-line argument? Ruby is treating it like a separate local command.
<lolzie> rking: that's an awesome lil wiki
<koshii> Yeah that's what I thought.
<fowl> use Net::SSH at least
<koshii> fowl: I insist on learning more basic Ruby before I do this kind of stuff. :-)
<koshii> fowl: These are kindergarden questions, I realize...
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<koshii> rking: Do you see what I want to do? I want to setup separate definitions for several different kinds of server tests (let's say, disk free, uname -a and maybe mdadm status).
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<rking> koshii: This is closer to how I'd code this. https://gist.github.com/25050c98e6a41d666c3c#gistcomment-405797
<rking> koshii: Ok, for a list of commands I'd do it more like…
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<rking> [BTW grahh... gist comment killed indentation/highlighting]
<koshii> Noticed that
<koshii> Kinda weird eh
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<rking> Do you want to loop over all the commands for each server, or all the servers for each command?
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<rking> machine a: df, uname -a, madm stats; machine b: df, uname -a, madm status, machine c: …etc, right?
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<koshii> Exactly.
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<koshii> I don't know what is motivating you to be so helpful right now, but thanks.
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<lectrick> I want to find the guy who exposed who _why was and fist him.
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<koshii> lectrick: And who was _why? :-)
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<lectrick> Well, he apparently didn't want people to know
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<fowl> koshii: bruce wayne
<koshii> rking: Awesome. What's with the brackets? Are you creating something like a tuple there?
<rking> koshii: An Array object.
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<koshii> Fair enough :-)
<koshii> rking: This makes sense, very elegant. Thank you for the help!
<rking> koshii: Hang on, I'm actually running it, and finding some issues. =) 1min
<koshii> Heh
<koshii> I didn't know about this File.readlines either
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<fowl> koshii: in pry you can do ls File and see all methods available to file instances and the File class
<koshii> fowl: pry?
<rking> koshii: There, like that: https://gist.github.com/25050c98e6a41d666c3c#gistcomment-405834https://gist.github.com/25050c98e6a41d666c3c#gistcomment-405834
<Yiq> how do i launch the interpreter from cmd prompt?
<fowl> koshii: then you do `cd File` and walk around in it like the matrix
<fowl> koshii: http://pryrepl.org
<rking> fowl: Which episode?
<limes> koshii: still need a way to execute ? i tried cmd = %x[ssh root@host.name \'df -h\'] ; puts cmd wich worked welll
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<rking> There's one where they go all upside-downy, and I don't think that would be welcoming for a beginner.
<koshii> Geez there is just so much going on with Ruby stuff, I don't know how you guys keep up.
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<fowl> rking: the second and third are the only movies i can legitimately say i fell asleep watching
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<rking> Hehe, yeah, major disappointments. Relevant: http://youtu.be/M1Wm9nGJcYo
<koshii> rking: So you're chomping the \n from the server yes?
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<Spooner> Yiq : irb
<koshii> Is that all that chomp does? Removes the last character?
<rking> koshii: Yeah, it's generally what you mean.
<rking> koshii: gem install pry-full
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<rking> Then pry, then from there do ? ''.chomp
<fowl> rking: lol
<koshii> rking: I need pry for this script to work now?
<rking> koshii: No, pry is a general Ruby-exploration thing for Neo-like people.
<koshii> :-)
<koshii> I see I see
<rking> ? ''.chomp # blue pill
<rking> $ ''.chomp # blue pill
<fowl> rking: 5k337lord
<koshii> Installing :-)
<rking> Urr, s/blue/red on that 2nd one.
<koshii> Wow that's a lot of gems being installed.
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<rking> That's pry-full doin its thang. Don't let it alarm you.
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<koshii> Handy though!
<koshii> Is this a suitable replacement for RDoc and ri and these things that are annoying when I'm installing gems?
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<koshii> rking: Why did you puts with `echo ...` ?
<rking> koshii: Haha, because I was testing.
<rking> No echo on the real version.
<koshii> OK :)
<rking> Though actually I advocate echo before any real command execution.
<koshii> It's a good idea
<rking> Same goes for shel for n in *; do echo ___; done
<fowl> rking: do you know the diff between ``, %x[] and system()
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<rking> fowl: I thought `` == %x[], other than the delimiters.
<rking> But I was also assuming there was some other motivation for the ``s, but probably that's silly of me to assume.
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<koshii> rking: Can you explain your crazy regex here? puts "server: \e[32m#{server}\e[0m"
<fowl> \[Xm is color codes
<fowl> \e
<rking> koshii: I don't know if it's a replacement for RDoc/ri in every sense — it's certainly how I interface the documentation, though.
<rking> koshii: Hehe, yeah, just splashin in some color.
<apeiros_> koshii: not a regex
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<rking> "Color is the 3rd dimension of your monitor, after X and Y."
<koshii> :-)
<koshii> Looks and works great
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<limes> also PS1='\[\033[01;31m\]\h\[\033[01;34m\] \W $(if [[ $? = 0 ]];then echo "\[\033[01;34m\]";else echo "\[\033[01;31m\]";fi)\$\[\033[00m\] ' is quite handy for your console to show true or false in different colors :D
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<Yiq> is ruby on rails the "only" used framework in ruby?
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<koshii> Bloody hell you guys are wizards.
<fowl> Yiq: yes, rails IS ruby and ruby IS rails, they are one in the same.
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<canton7> Yiq, sinatra and camping are also popular
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<Hanmac> Yiq: depending what you understand with "framework"
<fowl> come on #ruby you're suffering from delusions! there is none other than the Mighty Rails
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<koshii> rking: Are those color codes exclusive to Ruby or is that something that will work equally well in bash scripts?
<davidcelis> canton7: also padrino
<Mon_Ouie> zsh's %F{blue} beats writing escape codes manually :p
<canton7> davidcelis, true
<Mon_Ouie> koshii: They're a convention followed by many terminals
<davidcelis> canton7: camping has too many project sites, IMO
<canton7> davidcelis, i've never been a particular fan of it personally
<Mon_Ouie> Called ANSI codes if you want to look them up
<koshii> Great.
<koshii> Mon_Ouie: Thanks
<rking> koshii: Works equally well when output to any decently-capable terminal (meaning Windows "cmd" doesn't make the cut). The only trick is somehow outputting the Esc char, which echo "\e[33mfoo\e[0m" will in fact do from bash, but not from other shells.
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<rking> koshii: There are color gems that are better (in that they're cleaner to read and also work in more situations. Really what you want to do, in general, is test if the output stream is_tty? before you start spewing escape codes)
<koshii> rking: Duly noted then, thanks.
<rking> Mon_Ouie: What enables %F{___} ?
<Mon_Ouie> I don't know exactly, I know I use them in my prompt
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<Mon_Ouie> autoload colors; colors I assume
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<koshii> rking: And what if I want to suppress some lines, like I don't really care about udev and tmpfs results from df -h; do I do that with Ruby or with sed?
<rking> Mon_Ouie: Hrm. That isn't it. But I'll find out.
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<rking> koshii: Definitely ruby! =D
<koshii> Heh
<rking> There are several options about how you can structure your code for that. You could simply just do a substitution to get rid of those lines even from commands that don't have them, but that's kind of an "expedient" thing to do.
<koshii> rking: OK, but it isn't really helpful to check for and strip those out for uname and uptime and mdadm etc
<rking> Right
<koshii> :-) What you said, I guess.
<rking> I gotta go for now, but you're on the right track.
<koshii> OK
<koshii> Thanks rking!
<rking> The reason I'm anti-sed in this case is that it's involving another language, which requires readers of the code to understand more languages, and requires the writer of the code to better escape delimiters and stuff.
<rking> Playing "How many backslashes do I need" Plinko isn't always fun.
<koshii> Yeah, I'm not a fan of the idea either, I'm just not sure how I can separate this out since you have it setup in an array.
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<koshii> Ideally I want small output that I can (eventually) pipe to XMPP
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<koshii> So probably I need to cut down a lot of this. Some of which I can do by adjusting the actual commands, some of which I guess I'm going to have to RegEx the hell out of.
<koshii> For now, the color codes can stay. ;-)
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<Danielpk> i trying to run mailcatcher with PHP but i getting one error when i try to send email: http://pastebin.com/u82YwLgm
<Danielpk> any1 know how i can fix it?
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<davidcelis> with... PHP?
<cirwin> Danielpk: gem install mailcatcher
<Danielpk> cirwin: i did it
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<Danielpk> when i run with my user work fine, but when apache try to run i get this error.
<Mon_Ouie> That message says the gem isn't installed and shows installed gems
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<cirwin> Danielpk: are you using rvm or something like that?
<cirwin> you need to install the gem so that apache can access it
<Mon_Ouie> Yes, if you install a gem only for a single user and not in a system-wide directory, it can obviously only be accessed by that specific user
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<Danielpk> i using rvm.. but when i su www-data and try to run mail catcher all work fine… just when i try to run with php i get this error.
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<arooni-mobile> if i have a instance variables for a given class... should they all be declared within the class's constructor method, or can i declare them within the instance methods when i need them?
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<Mon_Ouie> Don't cross post
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<Mon_Ouie> Especially when you've already been given an answer which you've ignored
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<arooni-mobile> Mon_Ouie, i waited 5-10 minutes between posts
<arooni-mobile> no one addressed it to me
<arooni-mobile> i..e @arooni-mobile; so i didnt know if someone responded
<Mon_Ouie> I answered on #ruby-lang one minute after you asked your question…
<arooni-mobile> ok i see thta now
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<arooni-mobile> my apologies... i usually am used to folks addressing the asker via username
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<slingle> can someone explain to me what is inside a rack.session cookie/
<matti> slingle: Marshmallows.
<matti> ;]
<slingle> lol...thanks
<matti> Welcome ;]
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<asteve> slingle: i like toffee in mine
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<slingle> lol...it looks like a base64 string but i can't seem to get it to decode
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<matti> slingle: In a binary blob in base64
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<slingle> matti: you have a code snippet that will allow me to decode what is in the cookie value?
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<rcassidy> Danielpk: tried #rvm ? i just got some good help in there lol
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<canton7> slingle, http://rack.rubyforge.org/doc/Rack/Session/Cookie.html, click on load_session to see its source
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<Danielpk> rcassidy: i will try. thx
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<shinobi_one> list = []
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<shinobi_one> (1..5).each { |i| list << "user#{i}" }
<shinobi_one> i'm looking to do something like this in one line, just to see how it compares with python code. any suggestions?
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<apeiros_> shinobi_one: map
<Mon_Ouie> Array.new(5) { |i| "user#{i} }
<Mon_Ouie> Array.new(5) { |i| "user#{i}" }
<canton7> (1..5).map{ |i| "user#{i}" }
<apeiros_> Mon_Ouie: that starts at 0
<Mon_Ouie> Array.new(5) { |i| "user#{i+1}" } :p
<apeiros_> list = (1..5).map { |i| "user#{i}" }
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<Synthead> Can I use regex in Dir[...] ?
<rcassidy> list = (1..5).map { |i| "user#{i}" }
<rcassidy> >> list = (1..5).map { |i| "user#{i}" }
<al2o3cr> (Array) ["user1", "user2", "user3", "user4", "user5"]
<rcassidy> was what i meant to do...
<rcassidy> lol
<shinobi_one> using map is the sexy way i think
<shinobi_one> :P
<apeiros_> Synthead: no
<apeiros_> Synthead: you can use globbing expressions
<apeiros_> (so the "no" is actually a "yes" for regex in general, but a "no" for pcre/pcre-like regex)
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<shinobi_one> in case anyone was curious, here's the "sexy" way in python i would think
<shinobi_one> list = ["user%s" %i for i in range(1,6)]
<Synthead> apeiros_: hm, okay, so if I were to match /^[0-9]{14}\.jpg$/, I'd have to state [0-9] 14 times?
<apeiros_> Synthead: I think so. I'm not a glob-expert. you can use '[0-9]'*14 :)
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<Synthead> apeiros_: ooh, string functions! never thought of that!
<apeiros_> Synthead: s/functions/methods/
<apeiros_> there, fixed that for you.
<Hanmac> >>(1..6).map(&"user%s".method(:%))
<al2o3cr> (Array) ["user1", "user2", "user3", "user4", "user5", "user6"]
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<apeiros_> Hanmac: lol :)
<apeiros_> nice
<apeiros_> ugly, but nice
<shinobi_one> Hanmac: -.- too ugly xP
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<Synthead> haha
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<Synthead> still slips out every once in a while ;)
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<Synthead> apeiros_: '[0-9]' * 14 + '.jpg' worked awesome, thanks!
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<scant> when i call Class.methods(false) and Class.singleton_methods, i get different results. but isn't methods returning all of the singleton_methods defined for the Class class?
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<apeiros_> scant: methods(false) returns all methods defined on Class' own singleton class
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<apeiros_> singleton_methods returns those in Class' singleton class' ancestry too
<apeiros_> check Class.method(one_of_those_from_singleton_methods).owner
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<apeiros_> still a bit a confusing result :-/
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<scant> yeah... so singleton methods are inherited?
<scant> shouldn't singleton_methods(true) return the same thing as methods(true)?
<apeiros_> sure. that's why class X; def self.bar; end; end; class Y < X; end; Y.bar # works
<apeiros_> was wondering that and other things too. don't really have an answer
<scant> haha ok
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<scant> going to get out of the rabbit hole then
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<scant> thx
<apeiros_> I'd also expect :new to show up on Class.methods(false)
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<apeiros_> it might have to do with ruby cheating on the lower level classes/modules (Kernel, Object, Module and Class)
<scant> but new is an instance method
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<apeiros_> not only :)
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<apeiros_> my_class = Class.new
<apeiros_> that one is Class::new
<apeiros_> not Class#new
<apeiros_> though…
<Hanmac> each class is a module, an Module is a Class :P
<apeiros_> since Class is_a? Class it *could* be the same
<Hanmac> i mean "Module is a class"
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<scant> Class.method :new gives me Class#new
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<apeiros_> yeah, ruby reports it as the instance method. so that question can be considered answered
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<scant> i guess we can sleep ok knowing that we may never need to know these answers
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<apeiros_> osx update… brb
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<Hanmac> ;new is an instance_method of Class ...
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<Hanmac> its only accessable as an singleton(class)method because Class is also an instance of Class
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<troessner> ah, the joys of rubys object model
<troessner> :)
<scant> why don't Class.methods false and Class.singleton_methods give me the same thing?
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<shinobi_one> Koans anyone? lol
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<Hanmac> scant because they both methods are defined in Module ... and singleton_methods(true) shows them too
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<Hanmac> >> Module.methods(false) == Module.singleton_methods(false)
<al2o3cr> (TrueClass) true
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<scant> so where does BasicObject get its methods from? BasicObject.methods false gives me nothing
<Mon_Ouie> >> BasicObject.instance_methods
<al2o3cr> (Array) [:==, :equal?, :!, :!=, :instance_eval, :instance_exec, :__send__, :__id__]
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<scant> BasicObject.methods
<scant> >> BasicObject.methods
<al2o3cr> (Array) [:allocate, :new, :superclass, :freeze, :===, :==, :<=>, :<, :<=, :>, :>=, :to_s, :included_modules, :include?, :name, :ancestors, :instance_methods, :public_instance_methods, :protected_instance_methods, :private_instance_methods, :constants, :const_get, :const_set, :const_defined?, :const_missing, :class_variables, :remove_class_variable, :class_variable_get, :class_variable_set, :class_variable_defined?, :public_constant, :private_constant, ...
<al2o3cr> ... :module_exec, :class_exec, :module_eval, :class_eval, :method_defined?, :public_method_defined?, :private_method_defined?, :protected_method_defined?, :public_class_method, :private_class_method, :autoload, :autoload?, :instance_method, :public_instance_method, :nil?, :=~, :!~, :eql?, :hash, :class, :singleton_class, :clone, :dup, :initialize_dup, :initialize_clone, :taint, :tainted?, :untaint, :untrust, :untrusted?, :trust, :frozen?, :inspect, :methods, ...
<al2o3cr> ... :singleton_methods, :protected_methods, :private_methods, :public_methods, :instance_variables, :instance_variable_get, :instance_variable_set, :instance_variable_defined?, :instance_of?, :kind_of?, :is_a?, :tap, :send, :public_send, :respond_to?, :respond_to_missing?, :extend, :display, :method, :public_method, :define_singleton_method, :object_id, :to_enum, :enum_for, :equal?, :!, :!=, :instance_eval, :instance_exec, :__send__, :__id__]
<scant> sorry XP
<Mon_Ouie> I'd say jrajav should change the bot for that
<apeiros_> agreed
<ged> scant: From object.c? Where do you mean "where does [it] get its method from?"
<apeiros_> max output of ~200 chars
<Mon_Ouie> scant: those are the methods you can call on BasicObject itself
<Mon_Ouie> Not on its instances
<scant> >> BasicObject.methods false
<al2o3cr> (Array) []
<Mon_Ouie> And since BasicObject doesn't have any so-called class methods, methods(false) is empty
<scant> what are these methods if they aren't class methods?
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<ged> Instance methods of its singleton.
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<scant> so they are singleton methods?
<ged> Yes.
<Mon_Ouie> No
<scant> >> BasicObject.singleton_methods
<al2o3cr> (Array) []
<Mon_Ouie> BasicObject doesn't have any of these
<Mon_Ouie> It gets some methods from Class, Module and Object though
<Mon_Ouie> In virtue of being an instance of Class
<scant> ohh i see
<scant> smh
<scant> thanks for the help
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<fowl> scant: mon ouie is wise, he's been rewriting his brain in ruby 2.0
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<scant> XD
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<levieraf> hi guys
<levieraf> i have a question
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<levieraf> about oop with ruby
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<cirwin> levieraf: the suspense
<levieraf> how i can implementation a interface in ruby
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<ged> Mon_Ouie: The "so-called class methods" that it *doesn't* have would be singleton methods, yes?
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<cirwin> levieraf: you just define the same methods on all the subclasses
<levieraf> how i can implement a interface in ruby
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<levieraf> sorry
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<levieraf> cirwin, for example?
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<Mon_Ouie> ged: Yeah
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<cirwin> class A; def do_foo; end; end
<cirwin> class B; def do_foo; end; end
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<cirwin> if you really want to make the interface explicit you could define: class Base; def do_foo; raise NotImplementedError; end; end
<cirwin> and then class A < Base; end
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<cirwin> but you don't need to
<ged> levieraf: You can put methods that raise NotImplementedError in a Module, then mix that in to classes whose interface you wish to enforce.
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<burgestrand> Even then you usually don’t do that, because a NoMethodError or NotImplementedError usually does not matter which.
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<ged> Yep.
<levieraf> cirwin, ged i need create: Create an interface Electric that has the methods IsCharged and Charge. IsCharged should return false unless Charge has been called
<burgestrand> Interfaces would mostly be useful if ruby cared about types.
<Mon_Ouie> Defining a blank method in a module could actually screw things up in some cases
<levieraf> I know in php java
<levieraf> but
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<levieraf> in ruby
<Mon_Ouie> If the method is already implemented in a superclass of the class including the module
<levieraf> I am new to ruby
<ged> Also true.
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<burgestrand> levieraf: why do you need to use an interface for that?
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<levieraf> is a practice for me
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<levieraf> burgestrand, is a practice for me
<Hanmac> levieraf imo ruby Mixins/(an usecase of Module) are very more better then php's interfaces
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<Mon_Ouie> Don't try enforcing practices coming from other languages on Ruby
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<Mon_Ouie> (Actually, that applies for pretty much all languages; they all have their own idioms)
<levieraf> my question is
<levieraf> in ruby
<levieraf> the interfaces
<levieraf> they're not how java for example?
<Hanmac> levieraf look at Enumerable ... all the methods only depend on an "each" method, or more easy look at Comparable
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<Mon_Ouie> Yeah, suspense adds to the thrill in a movie but on IRC… the thrill you get from wondering what verb someone is going to use is much smaller :p
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<apeiros_> levieraf: you can write a whole sentence on a single line in irc, you know?
<Mon_Ouie> Ruby doesn't have a concept of interfaces
<Hanmac> imo the ruby way it MORE better
<voodoofish430> modules come close to interfaces
<levieraf> apeiros_, thanks
<Mon_Ouie> It has classes and mixins; sometimes a class that includes a module is expected to accept a certain interface.
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<Mon_Ouie> For instance, a class that includes Comparable is expected to implement the <=> method to compare objects
<Hanmac> as far as i knew, in php interfaces cant have methods with a body ... imo thats very shitty
<levieraf> Mon_Ouie, thanks man
<levieraf> so
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<levieraf> if need create a interface called Electric and them need have two methos called IsCharged and Charge.
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<levieraf> sorry guys
<apeiros_> levieraf: ruby doesn't have Java style interfaces
<apeiros_> a module doesn't enforce certain methods to be present
<levieraf> apeiros_, like you would create this
<apeiros_> levieraf: don't apply idioms of other languages
<apeiros_> solve problems and ask for how to do it idiomatically in this language
<apeiros_> i.e., ask for how to solve a *problem*, not for how to *translate a solution*
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<Mon_Ouie> If you're trying to make exercises to practice Ruby, don't add requirements about the class structure or method names; finding those is pretty much solving the exercise in practice.
<levieraf> apeiros_, ok, how to solve a problem?
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<apeiros_> o0
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<Mon_Ouie> Just set yourself practical goal about what your program should do, like parsing a BMP file or connecting IRC and responding to commands, etc.
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<apeiros_> levieraf: you'll have to formulate/phrase out your problem…
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<luist> hey guys…. im trying to run: cd /var/www/git.myproject.com.br/gitorious/ && bundle install but i'm getting Could not locate Gemfile
<luist> can anyone help me?
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<levieraf> well
<apeiros_> luist: sounds like there's no Gemfile in /var/www/git.myproject.com.br/gitorious/…
<levieraf> thanks guys
* apeiros_ puts on captain obvious hat
<luist> apeiros_: i run gem install bundler … is that right?
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<Mon_Ouie> That's what gives you the bundle command
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<Mon_Ouie> But you still need to create the Gemfile to use it
<apeiros_> the Gemfile must be supplied by your project. in your case I'd assume that the project is gitorious
<apeiros_> (of course, you didn't tell… so all I have is your path…)
<Mon_Ouie> I'd have thought it was myproject.com, which is hosted on gitorious
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<apeiros_> there we go about assumptions and why making the people who help you making assumptions is BAD
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<luist> apeiros_: yes it is
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<alphabitcity> Code style question: Which do you prefer? 1 or 2: http://pastie.org/4576731 .. haven't found anything in the style guides
<luist> apeiros_: well i'd give any information that is relevant :)
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<Mon_Ouie> You broke my parser, I got into an infinite loop
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<Mon_Ouie> (the second "making" is what broke it)
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<apeiros_> Mon_Ouie: should probably have been 'make'
<burgestrand> alphabitcity: *shrug* I would’ve accepted either on
<apeiros_> anyway, I think there's some odd geometrical shape laying around here supposed to throw people into an infinite loop - wanna see Mon_Ouie?
<Mon_Ouie> alphabitcity: I'd use the first one, keeping all arguments indented at the same level
<apeiros_> alphabitcity: I prefer 3)
<Mon_Ouie> Sure
<apeiros_> alphabitcity: which would be 2) but the first arg on its own line too
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<alphabitcity> burgestrand / Mon-Ouie: thanks
<apeiros_> option 1 just all too quickly ends up with being too wide too…
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<alphabitcity> apeiros_: hmm interesting
<apeiros_> also I align my hashes
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<alphabitcity> as in after the key? you align all the values?
<luist> apeiros_: err how do i supply the gemfile :P
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<apeiros_> alphabitcity: http://pastie.org/4576750
<apeiros_> also I have trailing , in my hashes
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<apeiros_> (otherwise I tend to have too many syntax errors when I add elements to the hash…)
<apeiros_> luist: gitorious should…
<alphabitcity> apeiros_: interesting, how do you feel about moving the closing )} to the last line of the hash?
<apeiros_> luist: is gitorious a rails app? or at least a ruby app?
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<luist> apeiros_: i have no idea.. im just following the tutorial :)
<apeiros_> alphabitcity: I only do that when the hash is the only argument and starts with the ( of the method
<apeiros_> luist: well, gitorious seems closed source, so not much I could help, sry
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<alphabitcity> apeiros_: ok, thank you
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<apeiros_> alphabitcity: hm, though then I actually don't have {} :)
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<alphabitcity> apeiros_: ah yes, good point
<apeiros_> oh, great, sublime was set to tabs instead of spaces… reload http://pastie.org/4576750 :)
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<Mon_Ouie> I've actually heard of gitorious as an open source alternative to github
<alphabitcity> apeiros_: i like your addition the best, thanks
<apeiros_> Mon_Ouie: thought so too
<apeiros_> but quick google only gave me a pay-to-use solution…
<apeiros_> maybe I google-failed
<apeiros_> alphabitcity: yw
<Mon_Ouie> https://gitorious.org/gitorious hosted on itself it seems
<apeiros_> Mon_Ouie: I don't see gitorious itself there…
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<apeiros_> or is it mainline?
<Mon_Ouie> mainline is the webiste itself
<Mon_Ouie> The other are related projects
<apeiros_> ok
<luist> apeiros_: ok i downloaded gitorious files again and got the Gemfile and stuff… thanks :)
<apeiros_> luist: I suggest you paste an `ls -la` of your /var/www/git.myproject.com.br/gitorious/
<apeiros_> luist: ah, ok
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<luist> apeiros_: http://pastie.org/4576819
<luist> apeiros_: error :(
<apeiros_> luist: read it
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<apeiros_> it contains the information on how to solve your error
<apeiros_> >> libxslt is missing. please visit http://nokogiri.org/tutorials/installing_nokogiri.html for help with installing dependencies.
<al2o3cr> -e:1:in `eval': (eval):1: unknown regexp options - kgr (SyntaxError), (eval):1: syntax error, unexpected keyword_for, expecting $end, ...ls/installing_nokogiri.html for help with installing depende..., ... ^, from -e:1:in `<main>'
<apeiros_> gah
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* apeiros_ smacks al2o3cr
* apeiros_ needs a new way to quote
<luist> apeiros_: where is the mkmf.log :T
<apeiros_> you don't need that
<apeiros_> the relevant line is the one I just pasted.
<apeiros_> luist: when you get an error, always read all of it. and really read it. it's hard the first few times.
<apeiros_> but you get used to it. often the relevant bits are in the message. sometimes more obvious, sometimes less. but the more often you actually do read those messages, the easier you will spot the relevant part.
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<Muz> When you get help, listen to it. And really listen to it. It's hard the first few times.
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<Hanmac> xD
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<luist> apeiros_: ah ok… was trying to find what package contained libxslt
<luist> apeiros_: found out
<Hanmac> PS: you need the -dev package too for building
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<luist> thats the one that i installed :)
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<Hanmac> but why do you use an nearly outdated ruby?
<robacarp> this is confusing the shit out of me: http://pastebin.com/9RCw5xNV
<apeiros_> not nearly
<apeiros_> it is outdated
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<Hanmac> yeah ... and next year we chould bury it :P
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<rcassidy> apeiros_: just quote with one '>' :p
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<apeiros_> robacarp: check the lines you get in the backtrace
<apeiros_> I doubt the error happens there
<apeiros_> but it's odd
<apeiros_> robacarp: alternatively: assign the full_path to a variable
<apeiros_> use that variable in both your debug output and in the File.rm
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<apeiros_> robacarp: in a related note: `File.rm image.full_path if File.exist? image.full_path` is a race condition. just rm and rescue the exception
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<apeiros_> (probably Errno::ENOENT, but I don't know from where you get File.rm)
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<robacarp> apeiros_: eh, yea, thats supposed to be FileUtils.rm
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<robacarp> how is that a race condition?
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<apeiros_> robacarp: you assume that nothing removes the file between your test and when you remove it
<Mon_Ouie> Someone could remove the file after you check for its existence but before you remove it
<robacarp> apeiros_: okay, fair enough.
<apeiros_> classic race condition since you don't lock/enforce that assumption :)
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<robacarp> any idea why it makes it to the else in the first place, then wipes the object out?
<Sou|cutter> If all you want to do is a simple conversion of an Excel file to csv, is there something lighter-weight than roo?
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<robacarp> apeiros_: yea, nothing relevant in the stack trace...just the typical call chain.
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<apeiros_> robacarp: what happens when you assign the full_path to a variable?
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<robacarp> well, the problem is not the full path, the problem starts before that.
<robacarp> commenting out the fileutils.rm line, 24 in the pastie, changes nothing
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<apeiros_> there is no line 24 in your paste
<apeiros_> line 24 is output…
<robacarp> (the image becomes nil after the check to see if it is nil)
<apeiros_> do you mean line 13?
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<robacarp> well, line 13 correlates to line 24, input/output
<apeiros_> something is missing
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<robacarp> well, at least I'm not crazy
<apeiros_> do you have any block that is defined in the same lexical scope?
<savage-> DHH speaking in Dutch about his beautiful home in Spain: http://www.youtube.com/watch?v=wT-QXuUaAZY
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<apeiros_> because that's the only thing that could change image to nil right in between. it'd also need to be threaded…
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<apeiros_> otherwise the only other option is that not all code is there.
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<apeiros_> oh, robacarp, what does `defined?(image)` print?
<robacarp> apeiros_: there is a pty block above, but the code isn't threaded
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<apeiros_> put it after line 5 please
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<robacarp> apeiros_: image
<robacarp> er...dammit...
<robacarp> "method"
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<apeiros_> ok. image is not a variable…
<apeiros_> you've got your answer then.
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<apeiros_> that method for some reason once returns an image, once nil. your bug is there.
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<robacarp> something does not follow
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<apeiros_> robacarp: ?
<apeiros_> care to paste the image method?
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<robacarp> its not a method I've defined, its an activerecord relation
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<robacarp> this construct works sanely in other places
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<Hanmac> activerecord? the evil spawn of rails?
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<robacarp> okay, I don't really understand _why_ this fixes it, but prefixing every instance of image with self. fixes it.
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<robacarp> which means it was some sort of scope issue.
<robacarp> I can't really comprehend why or how the scope of image was getting overridden lower on the chain, but whatever.
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<laen_> Dude, no! You're going to destroy the skyscraper!
<laen_> er..
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<laen_> Sorry, wrong window.
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<Hanmac> robacarp you itself destroy the scope
<robacarp> apeiros_: thanks for looking
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<invisime> so I'm having trouble with a nil value from a json parameter when it really is there: http://pastebin.com/9nGfqnPT am I missing something really obvious?
<Hanmac> >> def image;end;if(false);image = 4;else;p defined?(image);end
<al2o3cr> (String) "local-variable", Console: "local-variable"
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<Hanmac> robacarp: your       "image = Image.new" is the evil
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<adeponte> Axsuul: hey, if you are interested just want to let you know that I finished the rewrite, added some fullstack tests and things seem to be working now. https://github.com/realpractice/wrap_in_module
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<robacarp> Hanmac: yes, I'm starting to see that, but I don't really understand why that destroys the scope when that line shouldn't be getting called
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<Hanmac> yeah ... but ruby does get prepared that now a local variable may exist
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<robacarp> which doesn't seem like rational behavior
<Hanmac> you could see it there:
<Hanmac> >> def image;6;end;if(false);image = 4;else;p defined?(image),image;end
<al2o3cr> (Array) ["local-variable", nil], Console: "local-variable", nil
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<robacarp> wait, does al2o3cr just execute random ruby code starting with >>?
<Hanmac> >>"i am an ruby-bot"
<al2o3cr> (String) "i am an ruby-bot"
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<brennen> well that's rad.
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<savage-> >> Process.pid
<al2o3cr> (Fixnum) 27805
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<savage-> >> system('du -skh')
<al2o3cr> (NilClass) nil
<robacarp> anyway, Hanmac, you're right, but I'm not sure I agree with the way ruby is handling the situation.
<Hanmac> savage not try it :P the bot is currently nearly unbreakable :P
<savage-> lol
<savage-> ok :)
<koshii> To whomever it was that suggested I download pry earlier today... Thanks. :-)
<savage-> >> loop { puts 'hello' }
<al2o3cr> hello, Console: hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, hello, he...
<savage-> hahaha
<savage-> clever.
<savage-> >> puts 'hi'
<al2o3cr> (NilClass) nil, Console: hi
<robacarp> >> loop { fork }
<al2o3cr> [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno: 11), [FATAL] Failed to create timer thread (errno..., [FATAL] Failed to create timer thread (errno: 11)
* robacarp wanders off...
<Hanmac> >> "test"
<al2o3cr> (String) "test"
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<invisime> >> "stop trying to break me, please"
<al2o3cr> (String) "stop trying to break me, please"
<apeiros_> robacarp: still there?
<savage-> >> 1_000_000.times { 1_000_000.times { puts 'hi' } }
<robacarp> apeiros_: yep
<Hanmac> !panic
<al2o3cr> hi, Console: hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, hi, h...
<al2o3cr> SWEET ZOMBIE JESUS
<al2o3cr> Still alive~
<apeiros_> remove line 9 from your pastie
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<koshii> >> 1 + 2 = 2
<al2o3cr> -e:1:in `eval': (eval):1: syntax error, unexpected '=', expecting $end (SyntaxError), 1 + 2 = 2, ^, from -e:1:in `<main>'
<koshii> Sweet
<Hanmac> !apocalype
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<Hanmac> !panic
<al2o3cr> PANIC
<al2o3cr> Still alive~
<koshii> This channel is about to get crazy annoying isn't it :-)
<apeiros_> savage-, Hanmac, stop flooding
<savage-> sorry
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<erikwb> >> "what"
<al2o3cr> (String) "what"
<savage-> stop it
<savage-> do not abuse the bot.
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<robacarp> apeiros_: yea, I was just discussing that if I change that to self.image, it stops breaking
<koshii> :-P
<erikwb> get that thing out of here :)
<apeiros_> robacarp: yes, and I think I know why
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<Hanmac> robacarp ... i think you need "self.image =" currect?
<apeiros_> if commenting out line 9 removes the issue too (without all the `self.`s), then I know the reason
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<robacarp> ruby seems to lookahead and create local scope given the contents of the if-blocks regardless of which will execute.
<robacarp> a sort of branch prediction.
<apeiros_> yes. you create an lvar image
<apeiros_> which shadows your method image
<Mon_Ouie> if blocks don't create a new scope
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<Mon_Ouie> statements* rather
<apeiros_> the moment when that actually happens is odd
<apeiros_> which is why I didn't consider it
<apeiros_> but it most certainly is the reason
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<apeiros_> in short: you do not need all those selfs. but you must not shadow the image method
<erikwb> >> 100000.times { puts "evalbots in irc are a really bad idea" }
<al2o3cr> (Fixnum) 100000, Console: evalbots in irc are a really bad idea, evalbots in irc are a really bad idea, evalbots in irc are a really bad idea, evalbots in irc are a really bad idea, evalbots in irc are a really bad idea, evalbots in irc are a really bad idea, evalbots in irc are a really bad idea, evalbots in irc are a really bad idea, evalbots in irc are a really bad idea, evalbots in irc are a really bad idea, evalbots in...
<vlad__> >> `id`
<al2o3cr> -e:1:in `eval': No such file or directory - id (Errno::ENOENT), from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
erikwb was kicked from #ruby by apeiros_ [I said don't]
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<vlad__> >> system("id")
<al2o3cr> (NilClass) nil
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<Muz> You can PM the bot.
<Muz> By which I mean, you can be irritating somewhere we don't have to see it.
<apeiros_> if you guys can't use that bot responsibly in channel then he gets muted.
<eam> this is a terrible idea
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<Muz> You can be unoriginal in private too, and try to break it through means mostly tried and patched.
<Hanmac> vlad__: there very few binaries
<Hanmac> >> Dir["usr/bin/*"]
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<Hanmac> >> Dir["usr/bin/*"]
<Muz> Hanmac: the bot's been muted from the channel.
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<Hanmac> ;'(
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<invisime> Muz: like a boss^h^h^h^h mod
<erikwb> lollin so hard
<otters> "like a mod"
<otters> sloppy
<rking> otters + =1
<robacarp> apeiros_: well, yea, I'm only selfing the one assignment statement. Thanks again for looking.
<apeiros_> yw
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* robacarp sighs, goes to fight coworkers with nerf darts
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<potatosalad> Does anyone happen to know why this works in Ruby 1.9.3-p194?
<potatosalad> true if []...what-the-heck?
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<potatosalad> also, 'why does this work?' if BasicObject...what?
<apeiros_> potatosalad: what do you consider "work" there?
<apeiros_> and why should it "not work"?
<apeiros_> [] is a true-ish value in ruby
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<apeiros_> so is *everything* except false/nil
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<potatosalad> right, but why am I allowed to do []...what-the-heck?
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<fowl> what-the-heck!
<potatosalad> exactly
<apeiros_> I don't get your issue
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<apeiros_> [] is an empty array
<potatosalad> try it outside the if statement
<potatosalad> [] doesn't matter
<potatosalad> you can use whatever you want
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<potatosalad> true if (BasicObject...non-existant-method)
<fowl> thanks potatosalad you gave me a lul, and i'll never forget you for that
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<apeiros_> potatosalad: doesn't apply
<potatosalad> I'm curious if that's a ruby bug or intended, if it's intended I'd like to know why it works
<apeiros_> $ ruby -e 'p "hi" if BasicObject.foobar'
<apeiros_> -e:1:in `<main>': undefined method `foobar' for BasicObject:Class (NoMethodError)
<potatosalad> right, do multiple dots
<apeiros_> that'd be a range…
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<potatosalad> yup, and why does it not evaluate the right hand side of that range?
<apeiros_> and it'd seem that ruby shortcuts to not even evaluate the range
<apeiros_> probably all it sees is "literal which is not nil/false - conditions met"
<apeiros_> it doesn't need to evaluate it
<Hanmac> >> true if []...what-the-heck?# works
<Hanmac> >> true if []..what-the-heck? #works not
<potatosalad> yeah, what's the difference between the two?
<apeiros_> that's interesting
<fowl> well take a what-the-heck and push it up your callstacks
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<apeiros_> ah, .. can be a flip-flop too
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<potatosalad> where are the differences in .. and ... documented?
<apeiros_> might be due to that
<apeiros_> potatosalad: a..b is range including b, a...b is range excluding b
<apeiros_> and flip-flop… google 'ruby flip-flop'
<potatosalad> aperios_: thanks, I couldn't remember the difference
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<apeiros_> potatosalad: also, use tab-completion. less embarrassing :-p
<apeiros_> (for nicks)
<apeiros_> the docs on range: ri Range
<apeiros_> (documents .. and ... literals)
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<potatosalad> apeiros_: weird, thanks for the flip flop suggestion (and the tab suggestion)
<Hanmac> apeiros_ when you activate the bot again i can show you what happend
<apeiros_> banisterfiend: :-p
<fowl> can i get a voice apeiros_
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<Hanmac> >>puts RubyVM::InstructionSequence.compile("true if []...what-the-heck?").disasm
<al2o3cr> (NilClass) nil, Console: == disasm: <RubyVM::InstructionSequence:<compiled>@<compiled>>==========, 0000 trace 1 ( 1), 0002 getspecial "flipflag/<compiled>-0x000000012ece80-0", 0, 0005 branchif 17, 0007 newarray 0, 0009 dup , 0010 branchunless 50, 0012 dup , 0013 setspecial "flipflag/<compiled>-0x000000012ece...
<apeiros_> I don't do personal favors fowl, sorry.
<Hanmac> as you can see, there is some flipflag magic inside
<erikwb> >> File.read("/usr/bin/timeout")
<al2o3cr> (String) ...
<al2o3cr> ... "\x7FELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00>\x00\x01\x00\x00\x00P\"@\x00\x00\x00\x00\x00@\x00\x00\x00\x00\x00\x00\x00\xD0\xC5\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00@\x008\x00\t\x00@\x00\x1C\x00\e\x00\x06\x00\x00\x00\x05\x00\x00\x00@\x00\x00\x00\x00\x00\x00\x00@\x00@\x00\x00\x00\x00\x00@\x00@\x00\x00\x00\x00\x00\xF8\x01\x00\x00\x00\x00\x00\x00\xF8\x01\x00\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x04\x00\x00\x ...
<al2o3cr> ... 008\x02\x00\x00\x00\x00\x00\x008\x02@\x00\x00\x00\x00\x008\x02@\x00\x00\x00\x00\x00\x1A\x00\x00\x00\x00\x00\x00\x00\x1A\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00@\x00\x00\x00\x00\x00\x00\x00@\x00\x00\x00\x00\x00\xA4\xB1\x00\x00\x00\x00\x00\x00\xA4\xB1\x00\x00\x00\x00\x00\x00\x00\x00 ...
<al2o3cr> ... \x00\x00\x00\x00\x00\x01\x00\x00\x00\x06\x00\x00\x00\xD0\xBD\x00\x00\x00\x00\x00\x00\xD0\xBD`\x00\x00\x00\x00\x00\xD0\xBD`\x00\x00\x00\x00\x00\xF4\x06\x00\x00\x00\x00\x00\x00\xF8\x10\x00\x00\x00\x00\x00\x00\x00\x00 ...
<al2o3cr> ... \x00\x00\x00\x00\x00\x02\x00\x00\x00\x06\x00\x00\x00\xE8\xBD\x00\x00\x00\x00\x00\x00\xE8\xBD`\x00\x00\x00\x00\x00\xE8\xBD`\x00\x00\x00\x00\x00\xF0\x01\x00\x00\x00\x00\x00\x00\xF0\x01\x00\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x04\x00\x00\x00T\x02\x00\x00\x00\x00\x00\x00T\x02@\x00\x00\x00\x00\x00T\x02@\x00\x00\x00\x00\x00D\x00\x00\x00\x00\x00\x00\x00D\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00P\xE5td\x04\x00\x00 ...
<Hanmac> oO
<al2o3cr> ... \x00\xF4\xA0\x00\x00\x00\x00\x00\x00\xF4\xA0@\x00\x00\x00\x00\x00\xF4\xA0@\x00\x00\x00\x00\x00\xFC\x02\x00\x00\x00\x00\x00\x00\xFC\x02\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00Q\xE5td\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00\x00\x00R\xE5td\x04\x00\x00\x00\xD0\xBD\x00\x00\x00\x00\x00\x00 ...
<al2o3cr> ... \xD0\xBD`\x00\x00\x00\x00\x00\xD0\xBD`\x00\x00\x00\x00\x000\x02\x00\x00\x00\x00\x00\x000\x02\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00/lib/ld-linux-x86-64.so.2\x00\x00\x00\x04\x00\x00\x00\x10\x00\x00\x00\x01\x00\x00\x00GNU\x00\x00\x00\x00\x00\x02\x00\x00\x00\x06\x00\x00\x00 ...
<al2o3cr> ... \x00\x00\x00\x04\x00\x00\x00\x14\x00\x00\x00\x03\x00\x00\x00GNU\x00\xAF\xC0\xBC4dE=&2NsY,\x98.u\x8D0\xC1H\b\x00\x00\x00S\x00\x00\x00\x01\x00\x00\x00\x06\x00\x00\x00\x04MA\x00 ...
<rking> Haha
<fowl> haha
<al2o3cr> ... \x01\x1C\x12S\x00\x00\x00T\x00\x00\x00U\x00\x00\x00V\x00\x00\x00W\x00\x00\x00X\x00\x00\x00Y\x00\x00\x00\x00\x00\x00\x00)\x1D\x8C\x1C9\xF2\x8B\x1C\xB3\xA2\xF7\x123\xC4\xF7\x12\xBDPv\x9E\xE5bA\xF5\x96\xA0\x89\x97\xCF,cr\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00t\x02\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x96\x02\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00 ...
erikwb was kicked from #ruby by apeiros_ [erikwb]
<al2o3cr> ... \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x95\x03\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x94\x01\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00s\x00\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x002\x01\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x11\x00\x00\x00 ...
<robacarp> ...
<al2o3cr> ... \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9A\x01\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\f\x01\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xF0\x02\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x03\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 ...
<al2o3cr> ... \x84\x00\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00R\x03\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00v\x03\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00V\x02\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00N\x03\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x ...
<al2o3cr> ... 00\x00\x00R\x01\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xDB\x01\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00r\x01\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xC3\x02\x00\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x ...
<fowl> that kid was waiting for just that moment
<eam> bizarro world where apeiros_ kicks ewag because a bot is spamming
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<scriabin> glug glug glug
<apeiros_> eam: you might want to use your brain and figure out why the bot is spamming
<Axsuul> adeponte: thanks for the heads up!
<Hanmac> hm ... that binary has many "\x00" ... it looks a bit "oversized"
<eam> apeiros_: it's because it's buggy
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<eam> I thought everyone discovered that eval bots were a bad idea like 20 years ago
<rking> Hanmac: Probably aligning and stuff. For some kind of speed thing.
<apeiros_> eam: not an excuse to spam the channel.
<rking> eam: No way, eval bots are fun.
<eam> apeiros_: so fix the bot
<apeiros_> eam: not my bot.
<eam> then ban it
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<eam> it is trivial to prevent flooding
<apeiros_> eam: and no, I won't fix technology to avoid stupid behaviour by users
<eam> not smart
<apeiros_> eam: he caused the flood knowingly and willingly
<apeiros_> it's NOT a technological issue I'm dealing with
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<eam> >> ENV
<eam> apeiros_: yeah it is, you just don't realize it
<apeiros_> you want to get kickbanned too?
<eam> do what you like
<apeiros_> I don't like banning, if that's what you're alleging.
<eam> you clearly do, that's well established
<apeiros_> but I will do it if you're too fucking stupid to behave.
<eam> you also like namecalling, but will ban me if I return the favor :)
* brennen gets some popcorn.
<Axsuul> everyone chill out, and let's play http://stripe-ctf.com
<apeiros_> eam: you can continue this discussion in pm
<eam> zero interest
<tommylommykins> on a less testosteroneful note
<apeiros_> so you're just in for the show. thought as much.
<tommylommykins> are refinements going in 1.9.4?
<potatosalad> Hanmac, apeiros_: thanks for your help on the flipflag
<tommylommykins> Or are they too slow?
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<eam> apeiros_: I call it like I see it
<apeiros_> eam: yeah, you're spreading nonsense. and you'll stop it now.
<apeiros_> if you have comments about op-ing in channel, you do it in pm or I'll kickban.
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<eam> I've got comments about a poorly designed bot which floods
<eam> and distracts from meaningful discussion in this channel
<apeiros_> eam: you can tell jravav (that's his nick I think?)
<eam> yaeh I know, I pulled his user information out of his bot
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<rking> tommylommykins: Hrm, what are they?
<Hanmac> eam come back again when you manage to break the bot apart :P
<rking> tommylommykins: Don't take my curiosity as a preference for things less-testosteroneful.
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<tommylommykins> rking: non-global monkeypatching
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<tommylommykins> I know it's been implemented, but I don't know if it there to stay yet
<tommylommykins> apparantly it is veeery slow
<eam> Hanmac: already did
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<rking> tommylommykins: Aha. What defines the areas where it applies or doesn't?
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<tommylommykins> that explains it better than I could :)
<eam> Hanmac: the bot is capable of making network connections to external entities
<eam> >> require "socket"; s=TCPSocket.open("google.com", 80); s.print "GET / HTTP/1.0\r\n\r\n"; puts s.read
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<eam> Hanmac: that's unsafe for a number of reasons which goes well beyond the issue of channel disruption
<eam> I can launch attacks from it
<eam> (even if you prevent socket from loading)
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<eam> this bot is not well sandboxed
<Hanmac> so ... where is the problem? :D
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<Hanmac> eam it is ... try to kill the bot itself
<eam> 15:45 <al2o3cr> (NilClass) nil, Console: HTTP/1.0 200 OK, Date: Thu, 23 Aug 2012 22:45:50 GMT, Expires: -1, Cache-Control: private, max-age=0, Content-Type: text/html; charset=ISO-8859-1, Set-Cookie: PREF=ID=fc85ca90b9beb998:FF=0:TM=1345761950:LM=1345761950:S=WCxXAnamXCMYYwYG; expires=Sat, 23-Aug-2014 22:45:50 GMT; path=/; domain=.google.com, Set-Cookie: NID=63=NnbO2Zwwmc3ayAfqchnPMTdLUR6QDB7d2agdL4yjTRELGrJAGK_KLOhJ5EimBFP1unDVQ60k3uHMFN...
<eam> Hanmac: no, it's not
<davidcelis> lol
<Hanmac> its a LowRangeRubyCannon :D
<eam> Hanmac: you don't understand what sandboxing entails
<shevy> did eam kill the bot already
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<shevy> hmm looks like a bug
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<Hanmac> eam and you dont understand how the bot has changed since Mon and i are involved?
<eam> I do
<eam> and you don't understand that there are countless other exploits
<eam> I'm not sharing nearly all of the tricks
<eam> but what I'm telling you, as someone who clearly has more domain experience, is that your bot is exploitable and likely will continue to be for a long time
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<eam> I can still initiate network connections from it
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<eam> so just be aware
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<eam> my main objection is that the bot's presence detracts from the discussion, btw
<eam> no amount of reactionary patching will address that
<tds> what's the cleanest way to make a class method also an instance method?
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<shevy> eam show us a trick!
<eam> I've already shown them several
<apeiros_> tds: module_function. but goes the other way round.
<apeiros_> 00:54 eam: my main objection is that the bot's presence detracts from the discussion, btw
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<Hanmac> eam yeah the bot was sandboxed before ... but when you try to make it save it loses MANY features you could need from ruby
<tds> apeiros_: i don't think module_function will work in the context of a class though?
<apeiros_> of which eam is totally unblamable himself :-p
<apeiros_> tds: sure does. Class is a subclass of Module
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<shevy> tds well. class Foo; def self.test; Foo.new.test; end; def test; puts 'Hi there; end; end Foo.test
<shevy> forgot a '
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<tds> apeiros_: I know that it is, but I tried that earlier, and it doesn't work for some reason
<tds> I get: "NoMethodError: undefined method `module_function' for A:Class"
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<tds> shevy: it involves setting an instance variable either on the class or on the instance, so context is important
<apeiros_> tds: hm, seems like it is indeed actively removed from Class
<apeiros_> too bad
<Hanmac> tds as far as i know module_function only works on modules?
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<shevy> tds and this instance variable is defined how or where?
<shevy> because in your original question you did not include the ivar requirement :-)
<apeiros_> Hanmac: yes. I thought it'd work on classes too, given that Class < Module. but seems it's undef'ed
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<Hanmac> defining the exact same method on a class and an instance does not make much sense
<tds> shevy: both the class method and instance method require a reference to @foo -- for the class method, it is a class instance variable, and for the instance method it is not
<shevy> hmmmm
<tds> Hanmac: it does in the context of what I am doing
<tds> or maybe it doesn't…I dunno
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<tds> basically my domain models need a gateway to talk to a web service
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<tds> my finder methods are class methods
<tds> and they need to access that gateway
<tds> my update methods are instance methods
<tds> they also need access to that gateway
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<tds> i just want a method called gateway that returns @gateway
<tds> this allows me to override @gateway in my tests with a mock
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<Hanmac> tds define it in a module as instance_method and then include AND extend it to your class
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<tds> i was just thinking that as you said it :)
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<tds> that seems like the best way to do it, especially given the duplication across all my domain models
<tds> thanks
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<rking> Is this as idiomatic as it gets to make a Hash from an array plus a transformation?: Hash[*arr.map { |e| [ e*2, e ] }.flatten]
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<rking> Surely not.
<apeiros_> drop the * and the flatten
<rking> Aha
<rking> Just another input that Hash[] can take? An Array of 2-item arrays?
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<apeiros_> yes
<apeiros_> as of 1.8.7
<rking> K, thanksmuch.
<rking> See guys? apeiros_ is good for more than just kickbanning.
* rking runs.
<apeiros_> :-p
<rking> =D
<apeiros_> fun fact, only a tiny minority has ever been kicked by me. even less banned. so if you've been, maybe, just maybe it was because of you :-p (not directed at rking)
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<rking> Just ribbing you because of the botstuff.
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<Hanmac> apeiros_ need to be praised because he took the might of the banister away :D
<apeiros_> lol
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<rking> banisterfiend had might, once?
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<Hanmac> rking yeah ... he was channel op today
<apeiros_> he has op
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<rking> Haha. Worth reading scrollback?
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<rking> Banister is a few pintles short of a sturdy staircase, IMO.
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<apeiros_> no, he has op as in he can op himself. fflush (the channel owner) gave him.
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<danhunter> i seem to be getting a conflict between gems
<danhunter> and I'm wondering if it's due to one of the gems not privatizing it's modules
<danhunter> is that a thing?
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<Hanmac> danhunter what is exactly your problem?
<danhunter> two gems both use Faraday, they both inherit Faraday::Middleware to setup call methods
<danhunter> one of the gems is calling the call/initialize method of the other gem
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<jerrad> hey guys
<jerrad> real quick, could you help me out with a regex?
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<jerrad> so when i try and run this
<jerrad> result = searchText.gsub(/(^[a-zA-Z0-9_].?)|[\W-,]([a-zA-Z0-9_])|[\W-,]/, "\\L$1\\u$2")
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<jerrad> i get this output: invalid regular expression; can't use character class as a start value of range: /(^[a-zA-Z0-9_].?)|[\W-,]([a-zA-Z0-9_])|[\W-,]/
<banisterfiend> >> 1
<al2o3cr> (Fixnum) 1
<seanstickle> #regex is your friend here
<jerrad> the regex validates though in other languages, i tested it
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<banisterfiend> >> "Hanmac, stop saying disrespectful things about your lord and master"
<al2o3cr> (String) "Hanmac, stop saying disrespectful things about your lord and master"
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<fowl> milords a maniac sir
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<jerrad> >> "Just A Smalltown Girl Living In A Lonely World".gsub(/(^[a-zA-Z0-9_].?)|[\W-,]([a-zA-Z0-9_])|[\W-,]/, "\\L$1\\u$2")
<al2o3cr> -e:1:in `eval': (eval):1: empty range in char class: /(^[a-zA-Z0-9_].?)|[\W-,]([a-zA-Z0-9_])|[\W-,]/ (SyntaxError), from -e:1:in `<main>'
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