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<shevy> man
<shevy> I just had oddity in old code I wrote once
<shevy> case user_input
<shevy> when 'convert'
<shevy> # here, about 15 lines of special handling, then:
<shevy> convert(arguments)
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<shevy> it killed me mentally to sanitize the arguments twice
<shevy> once outside the convert() method, and additionaly once inside the convert method
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<shevy> and I ended up asking myself "why did I do this back then ... why..."
<shevy> it kept me busy for 20 minutes
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<shevy> until I simply rewrote the convert() method from scratched and discarded the crap 15 lines too
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<shevy> *from scratch
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<Sou|cutter> I like subtracting lines
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<shevy> yeah
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<shevy> but I also wondered why it is outside the method
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<shevy> methods really tidy up things
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<staunch> i am playing with mechanize, i do agent.get('login url'), then i login correctly with forms, then i do agent.get'different url') and i loose the login session
<staunch> any advise
<staunch> for changing pages and keeping persistence
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<seanstickle> staunch: code examples, pleez
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<Sou|cutter> staunch: looks like you need to get the return value login_form.submit
<staunch> i fixed it
<staunch> i made a dumb mistake...
<Sou|cutter> and oh wait actually
<staunch> i actually just had the wrong password in
<staunch> so sumb
<staunch> sorry
<Sou|cutter> LOL
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<seanstickle> staunch: :)
<seanstickle> staunch: rubber duck debugging
<Sou|cutter> seanstickle: you talk to ducks too? :)
<staunch> jeje
<staunch> one thing thats weird is if include these init variables, it doesn't work...
<staunch> @a.user_agent = 'Individueller User-Agent'
<staunch> @a.user_agent_alias = 'Linux Mozilla'
<staunch> @a.open_timeout = 3
<staunch> @a.read_timeout = 4
<staunch> @a.keep_alive = false
<staunch> @a.max_history = 0 # reduce memory if you make lots of requests
<staunch> sorry shouldn't have done that
<staunch> with the pste
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<shevy> hey guys
<shevy> let's say I have data like this:
<shevy> 63 Celsius are 145.400 Fahrenheit.
<shevy> 64 Celsius are 147.200 Fahrenheit.
<shevy> 65 Celsius are 149.000 Fahrenheit.
<shevy> Now I was thinking
<shevy> I could turn this into a bunch of arrays like
<shevy> [63, 145.400]
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<shevy> does anyone know if, given a bunch of data like that, a computer program could find out the algorithm in use?
<shevy> the formula at hand would be
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<shevy> (63.to_f * 9 / 5) + 32 # => 145.4
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<shevy> I'd like the computer to tell me that formula though
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<davidcelis> yes
<davidcelis> treat them like coordinates, graph the line
<davidcelis> the formula is the line
<seanstickle> shevy: or use some of that neat genetic algorithm stuff
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<seanstickle> shevy: or, you know, statistical regression
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<shevy> oh
<shevy> treating them like coordinates, that is actually a nice idea
<daidoji> hello Ruby
<daidoji> I'm in here once again with the same question from the other night
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<shevy> seanstickle: I know what coordinates are, but when it comes to "statistical regression", I am big big noob :)
<daidoji> is there a gem or some kind of markdown tool that I can feed ruby code into in order to get markup like on ruby-lang.org?
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<shevy> daidoji are you from japan?
<seanstickle> shevy: you have Excel or some other number crunchy thing?
<daidoji> shevy, I'm afraid not
<shevy> seanstickle hmm... on my laptop downstairs... yeah
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<seanstickle> shevy: You plunk in the data, and it'll give you the linear equation.
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<seanstickle> shevy: easy peasy
<shevy> daidoji, I dont know much about markup... for .md files I use Kramdown ... Kramdown::Document.new(File.read("this_file.md")).to_html other than that hmm... I use coderay when I need to parse code formatted something via colours
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<shevy> seanstickle cool, did not know that. will test that tomorrow then
<daidoji> shevy, wait what?
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<daidoji> :-( ruby-lang webmaster says its all edited by hand
<daidoji> thats lame
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<daidoji> guess I have a new project although i feel like someone should have written this before now
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<koshii> When I type hash = Hash.new([]) and then hash[:one] << "uno", why can't I see "uno" when I type hash into irb?
<koshii> I just see []
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<koshii> And why does hash[:three] show ["uno", "dos"] even though I did not ever put a third value into the hash?
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<koshii> Because it's the same object ID?
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<fowl> >> hash = Hash.new([]); hash[:one] << "uno"
<al2o3cr> (Array) ["uno"]
<fowl> koshii: array#<< returns the array so you can chain them
<fowl> >> x = [1,2]; x << 3 << 4 << 5; x
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<al2o3cr> (Array) [1, 2, 3, 4, 5]
<koshii> fowl: OK, so why does hash[:two] also return "uno" though?
<fowl> >> hash = Hash.new([]); hash[:one] << "uno"; hash[:two] << "foo"; p hash
<al2o3cr> (Hash) {}, Console: {}
<koshii> or hash[:three] etc
<koshii> Oh holy shit I just realized that you're typing ruby code into IRC and it's executing :)
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<koshii> fowl: I see that behavior but I don't understand it.
<fowl> >> h = Hash.new({}); h[:herro][:there] = 43; h[:default][:values] = :will_screw_you; h.inspect
<al2o3cr> (String) "{}"
<fowl> i dont get why that doesnt work
<koshii> What SHOULD happen?
<fowl> ah i see
<fowl> koshii: the arg is default value, in this case every time you add to the hash without the key existing its adding to the default array
<fowl> >> h = Hash.new({}); h[:herro][:there] = 43; h[:default][:values] = :will_screw_you; h.default
<al2o3cr> (Hash) {:there=>43, :values=>:will_screw_you}
<koshii> fowl: Wait, so a hash CONTAINS arrays?
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<koshii> fowl: Is that its primary function? I thought it was a container with kind-of pointers.
<fowl> koshii: no, when you do Hash.new([]) you're setting that empty array as the default value
<koshii> Yes
<koshii> Oh I see. And then I'm popping values into the ARRAY inside the hash?
<koshii> That's why they didn't appear when I wrote hash into irb
<koshii> (Which only slightly makes sense)
<fowl> koshii: instead of saying the default value should be an empty array, you're saying the default value should be this array
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<koshii> Oh.
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<koshii> fowl: So that still doesn't explain for me why "hash" doesn't return something, unless the array that I'm defaulting to is not contained within the hash?
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<koshii> fowl: "hash" only returns something if I add hash[:one] etc
<fowl> ^^
<koshii> fowl: Sorry man, if I'm too dense!
<fowl> you can get to it by calling hash#default
<koshii> But actually that too just returns {}
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<koshii> >> hash = Hash.new([]) ; hash[:one] << "uno" ; hash[:two] << "dos"
<al2o3cr> (Array) ["uno", "dos"]
<examancer> I have a class and I would like to dynamically mixin methods from a list of possible modules based on configuration options passed to #initialize. Is there any way to do this?
<koshii> >> hash
<al2o3cr> (Fixnum) -612620884310714677
<koshii> Oh, strange. In my irb it returns {}
<koshii> >> hash = Hash.new([]) ; hash[:one] << "uno" ; hash[:two] << "dos" ; hash
<al2o3cr> (Hash) {}
<koshii> There we go.
<fowl> >> h = Hash.new do |h, k| h[k] = [] end; h[:a] << 20; h[:b] << 30; h
<al2o3cr> (Hash) {:a=>[20], :b=>[30]}
<examancer> I can't use `include` in instance scope, class_eval would permanently modify the class, so not sure how to do it
<koshii> fowl: Does my situation/question make sense? I still don't think I have it.
<koshii> >> hash = Hash.new([]) ; hash[:one] << "uno" ; hash[:two] << "dos" ; hash
<al2o3cr> (Hash) {}
<koshii> ^ why does this return {}
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<koshii> That's the only question really. For now. :-)
<fowl> koshii: because you havent put them in the hash
<fowl> koshii: see the block form of Hash.new
<koshii> fowl: But isn't the array in the hash?
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<koshii> Heh. Let me read this doc and see if it makes more sense. I don't want to bug you.
<examancer> koshii: you modified the default object, which is an array, so you've added them to the default array but not the hash itself
<fowl> koshii: no, you're setting a default object that will be returned when the key is missng, thats all Hash.new(x) does
<examancer> what does hash.default give you?
<examancer> probably an array with your missing values
<koshii> >> hash = Hash.new([]) ; hash[:one] << "uno" ; hash[:two] << "dos" ; hash ; hash.default
<al2o3cr> (Array) ["uno", "dos"]
<koshii> Aha
<fowl> koshii: read that it will clear everything up
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<fowl> >> h = Hash.new do |h, k| h[k] = [] end; h[:koshii] << 329; h[:oh_my_koshii] << :"<3"; h
<al2o3cr> (Hash) {:koshii=>[329], :oh_my_koshii=>[:"<3"]}
<examancer> you should use something like (hash[:one] ||= []) << "uno" and not even bother with the default
<koshii> :D
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<koshii> examancer: Much appreciated. I'm just learning ruby though, doing the Koans. I have to kind of follow the guide for now.
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<davidcelis> >> users = Hash.new { |h, k| h[k] = "sux" }; users[:davidcelis]
<al2o3cr> (String) "sux"
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<davidcelis> al2o3cr: fuck you
<koshii> ;-)
<koshii> That al2o3cr thing is really neat. Who wrote that?
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<fowl> someone who sucks at thinking up robot names
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<koshii> :-)
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<koshii> Hey I was reading this book by a guy called "Why" and read a bit about him on Wikipedia. Does anyone know why he wanted to be anonymous in the first place? Was he working for some big company that wouldn't let him do that kind of work or something?
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<seanwash> Oh, you mean Why the lucky stiff?
<koshii> seanwash: Yeah.
<daidoji> why not?
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<seanwash> koshil: yeah, I don't know.
<koshii> Heh
<fowl> koshii: the internet is full of crazies, anonymity is sensible
<koshii> I mean, it's neat. I don't have some issue with it, I'm just wondering.
<fowl> plus it made him mythical, like batman
<koshii> Exactly what I was about to say.
<seanwash> I concur.
<examancer> Nobody really knows why _why wanted so much privacy, but its not difficult to come up with plausible explanations
<rking> I think _why was just odd. I wouldn't try to rationalize it in any standard way.
<koshii> fowl: Hey thanks for that ruby-doc link; I think I've got it now.
<koshii> examancer: What's the leading theory? :-)
<examancer> i just find it sad that he decided he no longer wanted to participate in the Ruby community
<rking> Yes, sad.
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<koshii> Maybe he did what he came to do. :-)
<rking> Like E.T.
<examancer> koshii: I've read some stuff that has tracked him down and contacted him. He just wants to be left alone. that's explanation enough for me.
<koshii> Yeah, it makes sense. It's a lot of work maintaining a public personality, too.
<examancer> he will be missed. he was a good developer, and a great educator
<koshii> I can understand why he might not want to.
<koshii> examancer: For all we know he might be educating and developing under yet another alias. :-)
<examancer> he's clearly still a developer from what I've read... just not a very public one unless he is using a very distinct persona
<koshii> examancer: I guess it's not too hard to do.
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<fowl> you guys dont think he went back to his home planet?
<koshii> :-)
<examancer> we can all only hope to have the impact on a community that _why had on Ruby
<koshii> Please launch your funny educational books this way. :-)
<koshii> I'm happy to beta-test
<examancer> heh
<koshii> Hey is there anything like Squeak-Smalltalk's cool method browser for Ruby?
<koshii> Morphic
<koshii> Actually I'm sorry, that's not what it's called. But do you guys know what I'm talking about?
<fowl> koshii: there is pry
<koshii> fowl: I installed that!
<koshii> fowl: I didn't get it. :(
<fowl> koshii: install the pry-doc gem and you have access show-doc and show-source commands
<fowl> show-doc "Hello".chomp
<fowl> koshii: its irb improved with more introspection magic. you can cd into an object and explore it with ls
<koshii> fowl: Yeah I played around with it. By "I didn't get it" I guess I just mean that I didn't find it very intuitive.
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<rking> koshii: It's definitely the method-browser equivalent you're looking for.
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<rking> cd Class then ls then ? a_method then $ a_method
<fowl> koshii: well it really becomes useful when you're debugging. you have a problem line that throws exceptions you can put a binding.pry in your code before it hits that expression and when ruby hits it, pry will open at that spot, you can see all local variables and walk around in your program like neo in the matrix
<rking> (? == show-doc, $ == show-source)
<koshii> rking: I mean something like this... http://4.bp.blogspot.com/_vRf06BYw_gg/S9SXv2La7UI/AAAAAAAAADE/5mxhHgi6U2o/s1600/Squeak3-9.png ("System Browser")
<koshii> Ideally with a gui :-)
<rking> koshii: Yeah, I know Squeak. pry gives you that, but without the GUI (currently)
<koshii> fowl: Oh that's cool.
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<koshii> fowl: Kind of like gdb breakpoints for Ruby?
<examancer> I love how flexible ruby is. Finally figured out how to do the meta-programming trick i needed.
<koshii> rking: I'll play with it some more then.
<rking> koshii: If you install pry-debugger, it'll have breakpoints, yes.
<examancer> I don't love how more the docs are around some of the most important meta-programming features though
<rking> koshii: Ask us (here or in #pry) whenever you get stuck trying a particular task.
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<koshii> Will do.
<examancer> i mean how POOR the docs are
<koshii> Did one of you guys author pry?
<rking> examancer: Metaprogramming Ruby ( http://pragprog.com/book/ppmetr/metaprogramming-ruby ) is a great read. Not as wizardish as the title sounds.
<davidcelis> koshii: some people in here work on it
<rking> koshii: About 3 lines of it. Does that count? =D
<examancer> that would be awesome if one of the pry authors was in here. hats off to you if you are!
<davidcelis> koshii: Banistergalaxy is the main author, Mon_Ouie also helps write it as far as i can tell
<rking> fowl posts Youtube links to #pry. Does that count?
<koshii> rking: Sure!
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<fowl> rking: i have a commit under my belt thank you
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<rking> Haha
<examancer> crucial method I needed for my library: http://www.ruby-doc.org/core-1.9.3/Module.html#method-i-extended ... "not documented"
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<davidcelis> examancer: well dude all it does is return Qnil
<davidcelis> what do you want them to do, document that it returns Qnil? ;)
<koshii> Pry feels vaguely emacs-ish to me, in the sense that it's this monolithic do-everything tool. I wonder how far this is going to go. :-)
<fowl> davidcelis: thats because it's supposed to be overwritten
<examancer> it would be nice if the document clearly spelled out that the method is triggered with a module has been extended into a something
<examancer> and that the object which extended it is passed as the only argument
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<examancer> and that you should overwrite it if you want to trigger further action when your module is extended
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<rking> koshii: Good intuition. Banister is an emacs-head. IMO the balance between "small tools that do their job well" and "monolithic beasts" is an ebb and flow. Solutions from one inform the other.
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<koshii> rking: Heh. No doubt.
<examancer> davidcelis: what is Qnil anyways? is that different than regular nil?
<davidcelis> examancer: some C construct
<davidcelis> I haven't done much source diving into Ruby aside from finding out how Symbols are implemented
<rking> Qnil is the C token to mean Ruby's nil.
<examancer> ah. cool
<Banistergalaxy> Qnil == nil, yeah
<koshii> So who here has done something with RubyMotion already?
<examancer> i wanted it so when an instance of class A extends module B, that module B would then also mixin/extend module C into instance A
<davidcelis> Banistergalaxy: oh hey looks like you have some fanboys in here banister
<bnagy> examancer: I guess they want you to use extend_object, not extended
<bnagy> which _is_ documented
<examancer> bnagy: would that allow me to do the same thing? looking at it now
<examancer> my library will need to work with 1.8, so looking there as well...
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<examancer> looks like it works in both. thanks. i'll use that instead
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<rking> Hehe, 2 things to note: http://www.ruby-doc.org/core-1.9.3/Class.html 1) Whoa, you can override "new" itself, and simply. 2) That's a funny diagram.
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<examancer> kind of odd that initialize isn't documented there... nor is it documented anywhere else in the core docs
<examancer> or at least not where i could find
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<examancer> guess there is a reference to it in Class#new
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<bnagy> the rdocs are admittedly not a great place for understanding core 'how things work' concepts
<bnagy> they're tactical, method by method docs
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<examancer> yeah. for better or worse PHP docs do both. about the only thing i still like about PHP over Ruby
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<siameseguy> hello, I'm getting a "nil is not a method error for my code: http://pastie.org/4614105. can someone help me?
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<examancer> not sure where to find that kind of "how things work" info about Ruby without searching google and SO
<siameseguy> whoops i meant "nil is not a symbol" error
<rking> siameseguy: After the first time the .call() runs, the return value is assigned to next_room.
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<rking> Which in this case is the nil coming back from the puts 'This is the main hallway.'
<examancer> siameseguy: on the first loop it will find the method #main_hallway, but that method returns nil
<examancer> so on the next loop it will call method(nil) which doesn't make sense
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<siameseguy> examancer: so its because the method is empty?
<rking> Add :main_hallway (on a line by itself) after line 17 and you'll forever be stuck in the main hallway, but it won't error.
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<examancer> siameseguy: the problem is you are assigning the return value of main_hallway to next_room, and main_hallway doesn't return anything but nil
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<siameseguy> ok i think i ge tit
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<bnagy> try next_room = room.call || :lost_in_void
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<examancer> rking's solution would work. seems inevitable that you are going to either get an error or an infinite loop with the direction you are going
<siameseguy> it was an infinite loop
<bnagy> def def lost_in_void; "You are lost in the void because my programmer screwed up. You die."; exit; end
<examancer> i like bnagy's solution :-)
<siameseguy> i plan to add more rooms, so hopefully it will be ok
<bnagy> also please get rid of all the ()
<siameseguy> ok will do
<bnagy> this is not python
<siameseguy> haha
<siameseguy> this is just my engine to move me from room to room
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<rking> bnagy: Heck yes. I already played all my superfluous-()-hate cards for today, but I'm right there with you.
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<n_blownapart> hi I looked at Logger methods, but cannot find a "logfile method which returns a writable file handle on a log file." what would this method look like? thanks.
<fowl> i figured out how to divide by 2!!
<fowl> >> (->(a){->(b){a[b]}}[->(c){c/2}])[40]
<al2o3cr> (Fixnum) 20
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<examancer> >> 1+1
<al2o3cr> (Fixnum) 2
<examancer> i didn't know that was there!
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<fowl> >> ->(a)do->(b){a[b]}end.(->(c){c/2}).(420)
<al2o3cr> (Fixnum) 210
<dekz> is there something else like sprinkle that is actually functional?
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<fowl> look at it, its beautiful （*´▽｀*）
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<examancer> >> ENV["RUBY_VERSION"]
<al2o3cr> (NilClass) nil
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<examancer> >> `ruby -v`
<al2o3cr> (String) "ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]\n"
<examancer> :-)
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<n_blownapart> kindly inform me about " a logfile method that returns a writeable file handle on a log file means, if you have time. thanks
<n_blownapart> strike: means ^^
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<examancer> n_blownapart: sounds like you just want to open a file in a writable way, it just so happens that the file is a log file. see File#new
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<n_blownapart> thanks examancer but how would it write a file "handle" . that is not an assignment, ie "fh" ?
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<examancer> File#new returns a file object, which internally has a handle on the file. you can then use methods like #write, #rewind, #read on that object
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<n_blownapart> oh so its internal, just assign say fh = File.new ? the method would be for lines 7 and 8 here: http://pastie.org/4614217 examancer
<bnagy> ugh
<bnagy> n_blownapart: never write code like that
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<bnagy> either use the block form to File.open or wrap your code with begin ... ensure; fh.close; end
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<n_blownapart> ugh. I'm just following the book. bnagy ensure is the next chapter topic examancer
<bnagy> which book has code like that?
<n_blownapart> the well-grounded rubyist david black bnagy pax
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<deryl> love that book
<bnagy> the well grounded rubyist opens a filehandle and doesn't use the block form or ensure close?
<bnagy> which page?
<n_blownapart> god deryl bnagy it got great reviews just trying to learn this shit. ensure comes on the following page to this code.
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<bnagy> ok well if you want to learn page by page from the book, then don't ask here, it will mess up your careful learning checdule
<bnagy> *schedule
<deryl> hehe, you might want to read through the entire chapter (or at least the complete section) before you ask
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<deryl> the way david breaks it down, waiting the whole chapter is probably the best way. I found that a notepad next to me for the tangents i thought of really helped
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<n_blownapart> deryl: ok thanks , I was doing decently until now.
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<seanwash> Can you guys recommend any books that don't necessarily teach syntax, but teach how to think as a programmer? Or maybe ways to go about solving problems that programmers generally come across?
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<seanwash> I feel like I'm learning syntax ok, but knowing what to do with that syntax is where I struggle!
<bnagy> 'learn to program' is often recommended
<seanwash> bnagy: hokay
<bnagy> I'll be honest, though, imo thinking like a programmer is learned through use
<banisterfiend`> n_blownapart:didnt u send me an email saying u were banned? :P
<bnagy> reading and writing code
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<seanwash> bnagy: That's true
<seanwash> bnagy: good point
<n_blownapart> banisterfiend`: bnagy you guys should just crucify me and get it over with.
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<bnagy> doesn't matter what language
<williamherry> I already installed rails use gem install rails, and I can see rails from gem list, but rails command is not available, more step should I do?
<banisterfiend`> n_blownapart: no, i thought you were saying you were actually banned --- banned means you were ip address is blocked from joining this channel and you can't send messages here
<bnagy> williamherry: you could try #rubyonrails
<bnagy> or google rails install guide or something
<rking> bnagy: Hrm. His problem sounds like a gem path one, not sure if it's necessary to deflect to rails.
<n_blownapart> banisterfiend`: why for asking questions which are too basic?
<rking> williamherry: What about this one?: gem install pry then pry
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<n_blownapart> banisterfiend`: by the way learning pry is no cake walk either.
<banisterfiend`> n_blownapart: how come? it's just IRB with a few extra commands :)
<n_blownapart> banisterfiend`: its very cool. I got through the Josh Cheek video. it was fun. at least I enjoy it but sorry to be a nuisance.
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<n_blownapart> banisterfiend`: did the pry show-doc command get replaced recently by show-source ?
<banisterfiend`> n_blownapart: no, they're different commands. show-doc shows documentation, show-source shows source code
<banisterfiend`> y?
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<n_blownapart> banisterfiend`: I was hung up on that for like a day, then I realized it could have been josh cheek mistake in the narration.
<banisterfiend`> hung up on it for a DAY? :P dude, u can always just type 'help' in pry
<ryanf> oh, that josh cheek screencast is really old
<banisterfiend`> and it tell su what the commands too, alternatively check out the wiki
<ryanf> there's probably lots of stuff that has changed
<banisterfiend`> do*
<banisterfiend`> that's true
<n_blownapart> banisterfiend`: exaggeration, but I was glad to figure it out I would say... :)
<banisterfiend`> cool
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<n_blownapart> banisterfiend`: others highly recommend pry as a way to learn it so thanks..
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<nesoi> what's the best way to install ruby 1.9 on osx?
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<banisterfiend`> nesoi: rvm or rbenv
<nesoi> not rubyforge rubyosx?
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<nesoi> I tried before and had all kinds of problems
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<nesoi> it was not finding various libraries
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<anybody> looks like a nice offer O.o http://bit.ly/OKPy9u
<Foxhoundz> Good god
<Foxhoundz> Why does Ruby have such loose syntax
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<Foxhoundz> I have to learn Ruby and RoR and create a web application with it in three months
<Foxhoundz> and it's no "hello world" app either
<nesoi> or someone will kill your relatives?
<Foxhoundz> nesoi, perhaps
<banisterfiend`> Foxhoundz: what in particular are you referring to
<nesoi> so, rubyosx, no one likes or dislikes it?
<Foxhoundz> banisterfiend`, Ruby itself doesn't seem so hard to understand
<Foxhoundz> it's RoR
<Foxhoundz> the lack of control over database
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<nesoi> hmm. last updated 2009
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<banisterfiend`> Foxhoundz: that wasnt what you just said, and i quote: "Why does Ruby have such loose syntax" ;)
<Foxhoundz> And?
<Foxhoundz> You never answered it ;-)
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<nesoi> so rvm or rbenv… which one? do I have to install xcode?
<anybody> xcode is so LARGE
<n_blownapart> nesoi: I think you need xcode off the install disk, first
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<kenneth> hey there
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<kenneth> is there a way to read $stdin without buffering?
<kenneth> i'd like to get each character immediately as soon as it's typed
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<banisterfiend`> Foxhoundz: my question was what in particular were you referring to
<banisterfiend`> Foxhoundz: what loose syntax? :)
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<bnagy> kenneth: getc
<kenneth> bnagy: i just found out that the terminal itself buffers lines
<kenneth> unless you use ncurses
<kenneth> bnagy: so i'm gonna have to give up on that
<bnagy> well you can flush, or set sync
<bnagy> I don't advise ncurses
<ryanf> kenneth: in theory you can use stty to disable that
<bnagy> I like the answer that suggests highline, btw
<kenneth> ah neat
<bnagy> since it sounds like you're making a console app, it will help in a lot of other ways as well
<fowl> STDIN.getch
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<fowl> getc is laem
<bnagy> at least it exists
<fowl> >>require'io/console'
<al2o3cr> (TrueClass) true
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<nesoi> hmm… when I try to get xcode from the app store, it says that I need to be on mountain lion. I'm on snow leopard and not upgrading
<nesoi> so, any other options for installing ruby?
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<kenneth> fowl: getch undefined method
<fowl> >>require'io/console'; STDIN.getch
<al2o3cr> -e:1:in `eval': Invalid argument (Errno::EINVAL), from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<williamherry> bnagy: rking: thanks
<kenneth> fowl: chat/client.rb:7:in `require': no such file to load -- io/console
<kenneth> fowl: is it a gem? i gem installed io
<kenneth> fwiw
<fowl> yeah i think there is a gem for older rubies
<bnagy> looks like a few options
<nesoi> I found an old version xode… downloading it now. 4.1gb
<nesoi> wtf?
<nesoi> old version of
<bnagy> you might be able to just get the commandline tools
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<nesoi> thanks bnagy
<nesoi> oh? where?
<bnagy> or use that gcc installer thingy
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<nesoi> the mac app store contains only xcode for mountain lion. won't run on snow leopard
<nesoi> luckily I must have registered to be an apple developer ages ago, and I can get some old version from there
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<bnagy> otherwise, if jruby has a dmg you could probably use that with no dev tools whatever
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<nesoi> dmg?
<bnagy> but I think your life in general will suck if you don't ever have gcc
<nesoi> last time I tried this, I was unable to install some gems because they kept not finding libraries
<nesoi> even after I installed them multiple different ways
<bnagy> yeah you might not have that with jruby
<bnagy> but in general, I really recommend having a working compile chain and ports
<bnagy> or brew, but I dislike brew
<bnagy> then use rbenv
<bnagy> or rvm, but I dislike rvm
<nesoi> what's jruby, dmg and rbenv?
<nesoi> sorry to be so dull
<bnagy> there are no dull people, only people who don't google
<bnagy> alternate ruby interpreter based on java // disk image - standard way of installing OSX software // way of managing multiple ruby environments
<nesoi> oh, this is the problem perhaps
<nesoi> xcode 4.2 is only available for 10.6 if you have a $99 a year apple dev license. otherwise you can only get 3.2.6
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<nesoi> so annoying
<vectorshelve> bnagy: Hi Man :)
<bnagy> yeah I hear that gcc and make have added some KILLER features in the last year
<bnagy> dev moves so fast on those things
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<nesoi> bnagy: (or anyone else): so you suggest homebrew -> rbenv -> ruby-build ?
<nesoi> prepending xcode, I mean… and assuming that older version of xcode works
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<bnagy> I prefer ports to homebrew but yeah
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<nesoi> why do you prefer ports?
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<bnagy> got more stuff in it, less hipster
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<nesoi> ports lets you install stuff easily, or what is the advantage?
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<bnagy> got more stuff in it, less hipster
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<bnagy> it's my personal preference, feel free to research and make your own choice, lots of people like brew
* Hanmac likes his linux ... sometimes
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<kenneth> hmm, so io/console is supposed to be part of the std lib but isn't there. is that not in 1.9,1?
<kenneth> oh i guess not
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<cearls> how would I get a uniq set of an array of arrays
<cearls> uniq isn't doing it
<Hanmac> cearls what is your input array and what do you want as output?
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<cearls> actually, never mind.. i need to remove the same but reversed pairs: [["moon", "mono"], ["mono", "moon"], ["coal", "cola"], ["cola", "coal"]]
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<Hanmac> cearls and do you maybe thought that uniq alone cant do that?
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<Hanmac> >> [["moon", "mono"], ["mono", "moon"], ["coal", "cola"], ["cola", "coal"]].uniq {|e|e.sort}
<al2o3cr> (Array) [["moon", "mono"], ["coal", "cola"]]
<bnagy> wow, I was sure you would use uniq &:sort, Hanmac
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<bnagy> you never miss these kinds of opportunities :)
<cearls> yeah, nothing like asking for help and looking at what i'm asking.. it's working, i'm using matches.include? to check if it already exists before adding it
<Hanmac> >> [["moon", "mono"], ["mono", "moon"], ["coal", "cola"], ["cola", "coal"]].uniq(&:sort)
<al2o3cr> (Array) [["moon", "mono"], ["coal", "cola"]]
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<bnagy> cearls: what's wrong with the solution he gave you?
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<cearls> which would be faster, check if it exists before adding, or use what has been suggested here?
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<Hanmac> or use the power of sets
<Hanmac> >>require "set"; [["moon", "mono"], ["mono", "moon"], ["coal", "cola"], ["cola", "coal"]].map{|e|Set.new(e)}.uniq
<al2o3cr> (Array) [#<Set: {"moon", "mono"}>, #<Set: {"coal", "cola"}>]
<bnagy> without checking, about the same
<bnagy> cause you will have to check if it exists reversed anyway
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<bnagy> but I agree with Hanmac that if you want Set behaviour then use Set
<Banistergalaxy> Bnagy hi man
<bnagy> hm actually, no include? in an array will be way slower
<bnagy> I was just derping
<cearls> i like .uniq(&:sort)
<bnagy> morning Banistergalaxy
<bnagy> cearls: use a Set :)
<cearls> bnagy: :)
<cearls> Hanmac: thanks for the help
<bnagy> ugh no nm it won't help
<bnagy> obviously I shouldn't be talking today
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<bnagy> an array of Sets, a la Hanmac's last I think is not a great approach
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<Hanmac> bnagy what would you prefer?
<bnagy> can you just sort the arrays before you add them, and _then_ use a set?
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<bnagy> Hanmac: well it just seems like a waste of building a set
<bnagy> and it breaks flatten etc
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<Hanmac> what about this?
<Hanmac> >>Hash[[["moon", "mono"], ["mono", "moon"], ["coal", "cola"], ["cola", "coal"]]]
<al2o3cr> (Hash) {"moon"=>"mono", "mono"=>"moon", "coal"=>"cola", "cola"=>"coal"}
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<Hanmac> or both ideas combined:
<Hanmac> >>require "set"; [["moon", "mono"], ["mono", "moon"], ["coal", "cola"], ["cola", "coal"]].each_with_object({}){|(a,b),h|h[a]=h[b] ? h[b] : Set.new([a,b])}
<al2o3cr> (Hash) {"moon"=>#<Set: {"moon", "mono"}>, "mono"=>#<Set: {"moon", "mono"}>, "coal"=>#<Set: {"coal", "cola"}>, "cola"=>#<Set: {"coal", "cola"}>}
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<bnagy> :/
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<bnagy> I think I like a Set of sorted arrays :)
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<Hanmac> bnagy and what about this?
<Hanmac> >>require "set"; [["moon", "mono"], ["mono", "moon"],["coak","cola"], ["coal", "cola"], ["cola", "coal"],["coal","coak"]].each_with_object({}){|(a,b),h| h[a] ? h[b]=h[a] << b : h[a]=h[b] ? h[b] : Set.new([a,b])}
<al2o3cr> (Hash) {"moon"=>#<Set: {"moon", "mono"}>, "mono"=>#<Set: {"moon", "mono"}>, "coak"=>#<Set: {"coal", "cola", "coak"}>, "coal"=>#<Set: {"coal", "cola", "coak"}>, "cola"=>#<Set: {"coal", "cola", "coak"}>}
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<bnagy> how is that different from your last one?
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<bnagy> and I still like a Set of sorted arrays
<bnagy> and your coal / coak pairs have nothing to do with (what I think) the problem (is)
<Hanmac> its about how the pair elements are detected ... guess how many different Sets are inside the hash (Aswer: only 2 objects)
<Hanmac> i thought the Quest was about some kind of dictionary
<bnagy> I think it's valid anagrams
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<Hanmac> cearls what was your data for? more like dictionary or more for anagrams?
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<cearls> Hanmac: dictionary search, learning
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<bnagy> that fast lookup is good, but I think it's data heavy
<bnagy> my gut says this is going to end up in trees
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<Hanmac> i dont think that my way is SO data heavy ... :( i reuse the Set objects
<bnagy> yeah...and it would work for anagrams just as well I guess
<bnagy> but you store each full word once
<bnagy> I would need to wikipedia, there's bound to be a standard approach for this, it's a DSA staple
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<kenneth> so the verdict about fucking with io streams to make a terminal ui by hand from scratch
<kenneth> but ncurses might have been less hacky
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<Mon_Ouie> Instead of doing char.ord == n # something, you might as well do char == "something"
<Mon_Ouie> (\C-c, \e, …)
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<samg_> With a config.ru file, can I match every path? I want all requests not under /assets to render public/index.html. http://pastebin.com/dWf6geM4
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<samg_> If I hit localhost:9292/something I get a 404.
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<arkiver> From within a class method, can only other class methods be called ?
<charliesome> arkiver: well yes, since you don't have any object to call an instance method on
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<kenneth> Mon_Ouie: i did that after the newlines were giving me trouble
<kenneth> I guess "\n" is not == to the char whose ord == 13
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<arkiver> charliesome, thoguht so; Thanks
<burgestrand> >> "\n" == 13.chr
<al2o3cr> (FalseClass) false
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<burgestrand> (
<burgestrand> (:
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<charliesome> >> "\n" == 10.chr
<al2o3cr> (TrueClass) true
<charliesome> >> "\r" == 13.chr
<al2o3cr> (TrueClass) true
<burgestrand> >> p "".encoding
<al2o3cr> (Encoding) #<Encoding:ASCII-8BIT>, Console: #<Encoding:ASCII-8BIT>
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<burgestrand> >> "å" + "a"
<al2o3cr> (String) "\xC3\xA5a"
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<charliesome> >> ("å" + "a").encode "UTF-8"
<al2o3cr> -e:1:in `eval': "\xC3" from ASCII-8BIT to UTF-8 (Encoding::UndefinedConversionError), from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
<burgestrand> >> ("å" + "a").length
<al2o3cr> (Fixnum) 3
<charliesome> >> ("å" + "a").force_encoding("ISO-8859-1").encode "UTF-8"
<al2o3cr> (String) "\u00C3\u00A5a"
<burgestrand> >> ("å" + "a").force_encoding("UTF-8").length
<al2o3cr> (Fixnum) 2
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<charliesome> burgestrand: that force encoding is invalid
<burgestrand> charliesome: nope
<charliesome> no?
<burgestrand> charliesome: C3A5 is the two bytes for å in UTF-8
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<charliesome> oh whoops, my bad
<Mon_Ouie> kenneth: Because it's \r
<burgestrand> >> "å".force_encoding("UTF-8").valid_encoding?
<al2o3cr> (TrueClass) true
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<charliesome> burgestrand: misread what you were trying to do
<kenneth> oh!
<kenneth> doh
<burgestrand> (:
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<burgestrand> >> " ".chr
<al2o3cr> (String) "\xC2"
<burgestrand> >> def  ; "Hi!"; end;  
<al2o3cr> (String) "Hi!"
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<banisterfiend`> shadoi: issue file pls ;)
<shadoi> banisterfiend`: oh hey!
<banisterfiend`> y0
<shadoi> I tried to reproduce it, and it stopped happening
<shadoi> I think maybe I was stomping on STDOUT somehow, I'm still very confused by it
<banisterfiend`> shadoi: k00
<shadoi> I'll try to make a simple test-case and see if I can make it happen. Pry was basically just complaining that it couldn't open STDOUT, i've also see it complain that it can "infer basepath"
<shadoi> Probably because of the Celluloid method proxy
<banisterfiend`> oh ok
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<maasha> anyone good with gnuplot (rgplot). I need help to create a stacked histogram.
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<sent-hil> what's the best way to round to next hour?
<sent-hil> So far I got: t = Time.now; (Time.at(t.to_i - t.sec - t.min % 60 * 60)+60*60).utc.to_i
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<bnagy> can't you just add 3600?
<bnagy> it will be out by some microseconds I guess
<sent-hil> No I need it to be rounded, i.e. 1:26 utc => 2 utc
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<ggreer> (t.min >= 30) ? 1 : 0
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<vectorshelve> shevy: Hi
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<juha_> sent-hil: i guess one possible option could be to take current hour and just +1? :D
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<ggreer> seriously: t.hour + ((t.min >= 30) ? 1 : 0)
<sent-hil> juha_: i thought about that, but what about the end of the day?
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<juha_> sent-hil: well, if hour > 24 -> hour = 1 etc
<juha_> sent-hil: but it's a ugly hack
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<ggreer> oh whoops. I thought you could do t.hour = t.hour + ((t.min >= 30) ? 1 : 0) and it would figure it out
<ggreer> but you can't
<ggreer> my bad
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<ggreer> I think python's datetime lets you do silly things like that. if you add 1 hour to 23 hours, it'll increase the day correctly
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<ggreer> I'm guessing there's something else I should be using in ruby that lets me munge datetimes
<shevy> vectorshelve hi rails man
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<vectorshelve> shevy: no I drive car :)
<shevy> hehe
<sent-hil> i think in rails you can add 1.hour and that takes care of things
<shevy> rich man
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<shevy> rails likes to extend date and time
<sent-hil> i think: (Time.at(t.to_i-t.sec-t.min % 60*60)+60*60).utc is good enough for now
<shevy> it even has a .will_there_be_werewolves_tomorrow? method
<shevy> to find out the lunar calendar
<sent-hil> crazy AS magic
<sent-hil> thanks guys
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<juha_> shevy: WUT :D
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<shevy> :D
<shevy> I am exaggerating but they really have some odd methods there
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<vectorshelve> shevy: mechanize is soaring ;) I bored of its inconsistencies :(
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<shevy> hmm
<shevy> time to write mini-mechanize
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<shevy> vectorshelve I think tendency is to make things more complicated :(
<shevy> it happens in all those projects
<vectorshelve> shevy: is this the issue with proxy? http://pastie.org/4615244
<vectorshelve> shevy: now I am working behind a proxy well.. agent = Mechanize.new do |a| a.proxy_host = 'proxy.example' a.proxy_port = 8080 end throws erro
<vectorshelve> error*
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<matti> ;]
<vectorshelve> matti: Hi ;)
<vectorshelve> shevy: any luck ? I think it should work for you.. if you aint behind a proxy :)
<RubyPanther> sent-hil: Time.at t.to_i + (1800- (t.to_i + 1800) % 3600)
<shevy> which mechanize is it
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<shevy> the one requiring nokogiri?
<RubyPanther> presumably that can still be simplified
<vectorshelve> shevy: hmm..
<matti> Hi vectorshelve, shevy ;]
<shevy> vectorshelve nokogiri tends to hate me
<shevy> matti hi mattzi!
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<shevy> ruby/site_ruby/1.8/hpricot_scan.so
<shevy> well my hpricot one doesnt work
<vectorshelve> shevy: solved :D
<shevy> :(
<vectorshelve> shevy: so I should then think about providing user an API for adding proxy :) good idea
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<vectorshelve> shevy: what happened ?
<shevy> ruby begins to feel like a big patchwork of failing components
<shevy> dunno
<shevy> said it installed hpricot, but it didnt
<matti> shevy: I am matz's evil twin. Didn't you know?
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<RubyPanther> 1.8 stopped being the current stable version like... years ago. I would expect it to have lots of bit-rot by now.
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<vectorshelve> shevy: dont be sad... ruby is beautiful and powerful too so she can always protect her virgintiy and sanctity and make way to salvation ;)
<shevy> RubyPanther it's not only that. things that are promoted like bundler, which I find awful. there is this tendency in the ruby world to make things simpler and also dumbing things down at the same time
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<shevy> vectorshelve yeah ruby is great. but why didn't matz envision something like gems in the first place
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<Muz> shevy: what is your problem with Nokogiri? Aside from the slightly wonky syntax, and weird return values, it's hardly unusabe or lacking of features and capabilities.
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<shevy> yeah nokogiri works actually
<shevy> require 'nokogiri' # => true
<shevy> mechanize doesn't now though
<shevy> for some reason, mechanize wants to require hpricot
<RubyPanther> shevy: that is absurd, bundler doesn't dumb things down at all it is totally configurable.
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<shevy> lol
<RubyPanther> Frankly I can't see how a person could dislike bundler if they were around before it
<shevy> so according to you, bundler never does anything clever on its own?
<Muz> RubyPanther: it does add a layer of complexity and fussing to deploying code onto other machines, but once you get over that hurdle and learn how it works, it's fine.
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<Muz> Then again, that's like any tool. Learn how it works. ¬_¬
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<Muz> shevy: what does it do that's so objectionable?
<shevy> now I know, according to RubyPanther, banister complained about something bogus back then apparently
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* Muz doesn't see how else things get fixed if people just grumble about the behaviour and make no effort to get it improved or fixed.
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<shevy> Muz I actually don't remember what he complained about precisely :\ it was something that was done in addition to what he tried to do
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<shevy> I did! I filed two issues in total about bundler so far
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<RubyPanther> It doesn't add a layer of complexity, it removes a fuzzy "have a sysadmin fix the install" layer and replaces it with a standard command that has predictable results that don't change just based on which gems were _installed_
<shevy> but they were smaller and unrelated to that
<Muz> shevy: and were they fixed? :P
<shevy> Muz yeah
<Muz> Quit yer whinin' then. ;)
<shevy> I am not saying the bundler team is incompetent
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<yxhuvud> RubyPanther: there are parts of bundler documentation and discoverability that could be a lot better though
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<shevy> github issue reporting is very cool
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<RubyPanther> The old way, for example you would have conflicts where a gem that relies on something like ActiveSupport but doesn't declare the version breaks things unless it is loaded after rails. Well, what if you ahve a gem that has to load first? Before you would have to do what, make changes to a third party gem and tote your own copy around in vendor and have your app blow up if somebody installed a gem with a newer number?
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<shevy> from about 10 reports I ever did on sourceforge in like 5 years, 2 were fixed or addressed. on github, from about 20, about 15 got fixed or handled, the others still somehow addressed
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<vectorshelve> shevy: the problem is with gem compatibility and improper version management
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<vectorshelve> shevy: rest is cool
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<shevy> sounds as if you ran into your share of problems already vectorshelve :)
<RubyPanther> Ruby doesn't _have_ proper version management, bundler adds it in a way that is transparent to the gems and takes advantage of what versioning Ruby does have. And solves the whole problem. And handles the issues of version consistency between developers/deploys
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<RubyPanther> Is it perfectly documented? No, but neither is anything these days.
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<Jonah11_> strange behavior in my rspec tests, the "before" block does not seem to be getting run -- why not? https://gist.github.com/3524671
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<Muz> Jonah11_: should line 10 not be 'it "always call" do'
<Muz> ?
<Jonah11_> Muz: doh! ty
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<jlebrech> are there any tutorials on writing extensions to rspec, a bit like cucumber
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<vectorshelve> shevy: no I always thought if that could have been done properly.. it could have been much better
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<hemanth> best way to avoid deprecated warning ruby1.9 is?
<Muz> To not use deprecated methods. ;)
<vectorshelve> hemanth: hmmmmmm..... huh ..........hhhhhmmmmmmmmmmm :)
<hemanth> Muz, lol
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<hemanth> i'm using tmail gem
<hemanth> that has a depricate method for 1.9
<vectorshelve> hemanth: rvm... proper gem set.. atleast helps to reduce some issues !!
<hemanth> or else is there way to redirect them ?
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<hemanth> I don't want them to be on stdout
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<hemanth> iconv deprecation warning with ruby 1.9.3
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<statarb3> pid newbe questions, when i create a new file with the File.new and read it later in with r (read options) and do puts book.read it spits out the content of the file, however when i do it again it does not spit out the content of the file
<hoelzro> statarb3: you're calling read twice on the same file handle?
<hoelzro> keep in mind that read maintains a sort of cursor in the file, so a single read moves it to the end of the file
<statarb3> oh, is that so, well i did not know that
<hoelzro> mhmm
<Muz> statarb3: File inherits from IO. After reading you need to rewind (http://www.ruby-doc.org/core-1.9.3/IO.html#method-i-rewind) if you want to re-read it.
<hoelzro> I think File.read(filename) will do what you want
<hoelzro> or rewind, like Muz suggests.
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<hemanth> i need unrequire method :\
<Muz> Having a quick read through the IO and File doc pages should give you an idea of what you can do with files, and how they work.
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<statarb3> thanks guys let me try thisa
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<statarb3> :) thanks hoelzro and muz for your tips :)
<sent-hil> hemanth: $VERBOSE=nil?
<hemanth> sent-hil, came across that, but it had loads on down votes, wonder why
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<sent-hil> down votes where?
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<sent-hil> holy crap, i turend on verbose mode and i got three pages of warnings
<hemanth> stackoverflow
<hemanth> :D
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<JonnieCache> >> $VERBOSE = true; puts "lol"
<al2o3cr> (NilClass) nil, Console: lol
<JonnieCache> awww :(
<hemanth> >> $VERBOSE = nil; require "lol"
<al2o3cr> -e:1:in `eval': cannot load such file -- lol (LoadError), from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require', from (eval):1:in `<main>', from -e:1:in `eval', from -e:1:in `<main>'
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<sent-hil> hemanth: not sure, i turned it off in specs when i was working with em-http-request, haven't caused any trouble yet
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<hemanth> sent-hil, nice, will stick to that as of now
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<Elico1> is it possible to run some loop in background without forking or threading?
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<hoelzro> Elico1: for what purpose?
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<Hanmac> "is it possible to get from A to B without moving" :P
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<Elico1> well i wrote an application .. small proxy.. and it based on two incoming tcp ports. and i need a way of both serving clients and other tasks
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<Mon_Ouie> You could use IO.select to know when the clients sent you data and process their requests then, and also do the rest of your work in the main loop
<Elico1> ok seems reasonable
<Elico1> my question is...
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<Elico1> i do use select for recvmsg but how about accept?
<Elico1> server.accept ?
<Mon_Ouie> A TCPServer is an IO object to, and can be passed to select
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<matti> Elico1: Look at EventMachine :)
<matti> Mon_Ouie: Doing IO.select nowadays is so '70s ;p
<Elico1> matti: i looked at it... i wrote another server with event machine
<Elico1> but now with this one i'm having trouble
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<Hanmac> matti and what is writing an own tcpserver in C "is it so 60's"? xD
<Elico1> since it's a proxy i need for it to manage both sockets
<Elico1> Hanmac: it's so 20's...
<heisenmink> Elico1: why can't you do that with eventmachine?
<Elico1> heisenmink: i have tried but it dosnt seems to work for me.. my mind is locked up now
<matti> Hanmac: No, that is plain crazy ;p
<matti> [ I am joking of course ]
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<Elico1> if you are willing to help me thing loundly about it i will be happt
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<Hanmac> it was part of my job education to do this
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<heisenmink> Elico1: you should use eventmachine and offload heavy tasks to background jobs that report back to the event machine.
<heisenmink> Elico1: fire away with the questions
<heisenmink> or code pastes
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<Elico1> heisenmink: so i wrote a tcp server that works..
<matti> Hanmac: I spent some time writing in C too, select and epoll -- we've had complex relationship ;]
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<Elico1> the idea is : i have two tcpservers one on each port.. this i can WITH em
<Elico1> but the complex part is that i need to take two incoming connections and transfer data between them
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<Elico1> this works fine for one incoming connection...
<Elico1> i need to connect to incoming connection..
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<Elico1> and each and one of them has ID.. stated in the connection initiation
<Elico1> and both servers has different connection sequence..
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<heisenmink> Elico1: EventMachine.run { EventMachine.start_server "127.0.0.1", 8081, ProxyServer; EventMachine.start_server "127.0.0.1", 8080, ProxyServer }
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<heisenmink> in ProxyServer, have a class-level shared hash of id => connection
<Elico1> a sec i will open it
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<Elico1> thanks//
<matti> Elico1: As per what heisenmink said.
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<Elico1> well i have seen that but my eyes and mind are not in the same page
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<ace> why this is not working when wieght is not defined "if defined? part.weight && part.weight > 0"
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<ace> usually the second part should not be called if the first return false
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<ace> at least in C/C++
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<matti> ace: With AND, both have to be true.
<ace> matti: i know, the problem is it generate an error
<ace> undefined method `weight'
<matti> ace: Try if port.weight and port.weight > 0
<Hanmac> "if defined?(part.weight) && part.weight > 0"
<Elico1> matti: i am trying to understand the ProxyServer but i'm loosing it...
<ace> Hanmac: same error
<Hanmac> but this is better: "part..respond_to(:weight) && part.weight > 0"
<ace> matti: same error
<Muz> ace: you're only checking that "part.weight" is defined, not if it's non-nil.
<Hanmac> noo only .
<ace> muz: ah
<Elico1> the example shows how to connect to a remote server but nothing on this hash of connections
<matti> Muz: Would if x not do it?
<Muz> if !part.weight.nil? && part.weight > 0
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<Muz> Or what matti said.
<ace> Muz: indeed, it s that
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<matti> LOL
<matti> Muz: :)
<Muz> matti: Heh, doing several things at once, not thinking entirely straight. Thanks. :p
<matti> Muz: No, no. That's OK.
<matti> Muz: Questioning things is the root of enlightement ;]
<matti> Muz: +1
<ace> thank you guyz
<matti> I guess.
<matti> I hope.
<matti> ... where is my coffeee.
<matti> ;d
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<bnagy> defined? part && part.respond_to(:weight) && not part.weight.nil? && part.weight > 0
<bnagy> who says ruby is not concise and beautiful?
<matti> LOL
<Hanmac> bnagy: but isnt it more like that?: defined?(part) && part.respond_to(:weight) && not part.weight.nil? && part.weight > 0
<heisenmink> Elico1: https://gist.github.com/3525766
<bnagy> Hanmac: binding I guess, you're right. I didn't check :)
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<matti> heisenmink: Not using enable_proxy?
<heisenmink> matti: I have no idea what I am doing
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<matti> Hahaha
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<Elico1> thanks heisenmink
<matti> heisenmink: +1 :)
<bnagy> if (part.weight > 0 rescue false);
<matti> bnagy: Nasty.
<matti> ;d
<bnagy> explicit tests are for people with time
<arkiver> When i write foo = "bar = 'something'" and call eval(foo) and later when I do this: >>bar, I get an error message "undefined local variable" doesn't the eval method run the code and shoudn't it create the variable ??
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<Hanmac> arkiver maybe it does, but you cant trust eval
<Hanmac> or you used wrong
<arkiver> ahh
<arkiver> Hanmac, Does it change the environment when executing the eval method ?
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<Hanmac> it may be not your fault:
<Hanmac> >> foo = "bar = 'something'";eval(foo);bar
<al2o3cr> -e:1:in `eval': undefined local variable or method `bar' for main:Object (NameError), from -e:1:in `eval', from -e:1:in `<main>'
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<Elico1> heisenmink: i have a question..
<Hanmac> this is one of the reasons i dont use eval
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<heisenmink> class CommentsController; def create; eval(params[:content]); end; end;
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<heisenmink> for maximum safety
<Elico1> is this connection thing is of the reactor or per module/
<Elico1> ?
<arkiver> Hanmac, yes i've read about it being unpredictable
<Elico1> hoo sorry got it
<arkiver> Too bad. it seemed pretty convenient ;)
<Elico1> i have tried something like that
<matti> Elico1: That is all you have to do when using em-proxy gem.
<matti> Elico1: Give it a go.
<heisenmink> Elico1: I'm with matti, go with em-proxy
<matti> Elico1: Or, keep reading EM web site.
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<Elico1> matti: but with emproxy i can just relay to outgoing server not?
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<matti> Elico1: You can do whatever you want.
<Elico1> i want to read but my head blows like hell
<matti> Elico1: em-proxy just takes a pain of builing it manually with EM.
<Elico1> hoo nice
<matti> Said that.
<matti> If you are stubborn enough / crazy enough.
<matti> You can even use socat as proxy.
<Elico1> haha
<matti> :)
<matti> It would work, and probaby not bad at all.
<matti> But whether its a solution... its questionable.
<matti> :>
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<Elico1> ok i will try something now
<matti> GO team Elico1 GO
<Elico1> working with sockets for the last two days was very nice..
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<Elico1> and still matti one question with em-proxy... how can run two server ? i need to hack the em-proxy a bit
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<becom33_> http://pastebin.com/PiqHfvzv can anyone explain me , why is just script.rb -x (without a parameter value) gives me a error
<matti> Elico1: I am not sure any more what are you trying to solve :)
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<banisterfiend> matti: u and Mon_Ouie http://i.imgur.com/REhEV.gif
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<Elico1> it's simple... twp tcp ports.... two servers.... two clients... initiate connection to both sides and then let them speak with each other until anyone of them end the connection...
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<banisterfiend> matti: i assume that's what all your ";]" are secretly about
<Mon_Ouie> becom33_: Because you demand an argument after -x, a.k.a --os?
<Elico1> but the example from before was pretty nice..
<matti> becom33_: parse! twice?
<Elico1> on the event machine
<matti> banisterfiend: LOL
<becom33_> Mon_Ouie, i know . but I wanna put a grab that error and put somthing else
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<becom33_> matti, yea my bad
<bnagy> becom33_: helps if you tell people the error
<matti> banisterfiend: You are just jealous :)
<bnagy> becom33_: also optparse sucks, use trollop
<becom33_> bnagy, `parse': missing argument: -x (OptionParser::MissingArgument)
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<becom33_> umm ?
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<bnagy> becom33_: I didn't say I could help, dude, just that without the error nobody else can either :) this is why I use trollop, that syntax is uuugly
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<Mon_Ouie> Just removing the extra call to parse! should fix it
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<bnagy> is there a slick way to get require_relative to work when a file is eval'ed?
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<bnagy> I get can't infer basepath
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<Mon_Ouie> AFAIK you can't, it only works with the standard methods to load a file (which I don't think is a useful restriction)
<bnagy> hm
<Mon_Ouie> You could just set the load path, even temporarily
<bnagy> k
<bnagy> well the file I am reading is the one that has require_relative
<bnagy> let's imagine I can't change that file
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<bnagy> basically the idea is to get a class from a file when we don't know the classname
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<Mon_Ouie> Well, pretty much the only way would be to redefine require_relative then
<bnagy> so I make a module, read the file, eval, and then do Sandbox.constants.first
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<bnagy> if there's a better pattern for that, that would be fine as well
<bnagy> hmm maybe I could get get toplevel constants, require the file, then get constants again
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<banisterfiend> bnagy: cant u use ripper or sth for that
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<banisterfiend> bnagy: or if you are guaranteed the file contains simple code, u can just scan through it for regex for /^module (\w+)/ or sth
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<bnagy> banisterfiend: yeah but that would be horrible :)
<bnagy> looks like diffing Object.constants works
<banisterfiend> not as horrible as evalling it in a random module just to find the name of the class ;)
<banisterfiend> unless u want to keep teh code once u've eval'd it?
<bnagy> I do
<banisterfiend> k00
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<bnagy> I gotta give it as a klass to another object
<Xeago> what is a klass?
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<banisterfiend> Xeago: cooler way of saying class
<bnagy> a term people use when referring to holding a Class in a variable
<Xeago> to avoid name conflict?
<banisterfiend> yea
<Xeago> aight
<Xeago> sensemaking skills+1
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<Mon_Ouie> If you use Ripper, the code won't detect smart things like using const_set or A = Struct.new(…)
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<Mon_Ouie> The latter doesn't really qualify as a clever trick, actually
<ccooke> neither does the former, really
<shevy> hehehe
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<kn330> What would be the best way to perform modular arithmetic on matrices in ruby? eg: {Inverse(A) mod(26)} | reference: http://is.gd/aWRjsP , Hill Cipher
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<kn330> Hanmac: The Matrix#inverse computes the regular inverse of a matrix, I need a modular multiplicative inverse
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<charliesome> >> Class.allocate.tap { |klass| klass.send :initialize, klass }
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<charliesome> oops
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<gyre007> guys, I have a question about unicorn...i have it running on my server however it's spiking up my CPU like crazy...I've no idea why...CPU is constantly on 99% because of unicorn despite the fact that the site is not being accessed by anyone...does anyone know how to approach the investigation ?
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<Coad> ?
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<gyre007> Coad, it's about restarting I guess...it's constantly on 100% although the preforked processes are dying and the new ones are eating as much as the old ones...ill have a look
<Coad> Damn :/
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<gyre007> oh and I have only 2 workers
<Coad> hmm
<gyre007> im thinking it might be related to disk space usage ?
<gyre007> it's almost 100%
<gyre007> well actually it's 100%
<Coad> wtf
<Coad> HMmm, have you tried deploying this to heroku and seeing how that goes?
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<Coad> It could be something wrong with the servfer config
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<gyre007> its running on VM...yesterday all was ok when I set it up...I stopped the VM when I went home started it today and Unicorn is going nuts :)
<gyre007> dodgy bizzare stuff :)
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<kn330> Is there any library to calculate the Modular Multiplicative Inverse of a matrix? eg: {Inverse(A) mod(26)} | reference: http://is.gd/aWRjsP , Hill Cipher
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<nochaman_> what is here this ?
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<Muz> You no make English sense good.
<nochaman_> ok
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<nochaman_> i reading english good
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<Hanmac> ruby has no "this" :P it has "self" :D
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<elico> matti: i wrote it using event machine...
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<matti> elico: \o/
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<matti> elico: There you go, you rock ;]
<elico> it wasnt that simple...
<elico> i had to rearrange my minf for that
<elico> mind*
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<bnagy> when you look back it will look simple
<elico> it's moving from "socket" to nice and smooth apu
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<elico> api*
<bnagy> biggest issue with EM is the brain bending when you start using it
<bnagy> that's why the python equiv is called Twisted :S
<elico> haha nice!
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<elico> well rewriting a protocol in it seems really nice..
<bnagy> it's a fantastic pattern for some stuff
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<bnagy> Reactor is the OOP buzzword
<bnagy> really natural for a lot of servers
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<elico> now i just need to add some statistics and logs to the software since the protocol is bullet proof
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<vikingly> Hi! I have a timezone (e.g 'america/los angeles') and want to create an arbitrary time in a zone (e.g month: 1, day: 1, hour: 1, min:1, sec: 1), but I have a problem with ruby time requiring a time offset.
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<vikingly> the formatted offset is different in daylight savings, so it is dependent upon time. How do I get the formatted offset at a specific time in ruby?
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<kiyoura> you know you're a hacker when you have off-by-one's in ruby <_<
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<Hanmac> kiyoura what is off-by-one?
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<kiyoura> when dealing with linear operations [typically arrays or strings] and accidentally iterate above/below boundaries
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<pskosinski> What is wrong with this line? $to_remove.each{|el| el = el.sub('/', '\')}
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<pskosinski> I get: unterminated string meets end of file
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<Hanmac> >> [].each{|el| el = el.sub('/', '\\')}
<al2o3cr> (Array) []
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<pskosinski> Oh :x
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<pskosinski> Thank you. :)
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<koshii> Jesus Ruby Koans is brilliant. Brilliant, I say!
<Hanmac> kiyoura what did you do?
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<D4T> whats the best way of doing something like: puts "something" unless myString == "foo" || myString == "bar"
<D4T> that only matches against "foo" for some reason
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<kiyoura> Hanmac: i kept an index variable to keep track of position in each_char (so that i could use it again later) for two encrypt/decrypt methods and forgot i essentially post-incremented
<kiyoura> so i had to index -= 1 before going through the string again to decrypt
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<Hanmac> what about: each_char.with_index ?
<kiyoura> haha, wasn't aware!
<kiyoura> oh that's a 1.9 method?
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<Hanmac> yeah, isnt it a nice reason to upgrade? :P
<kiyoura> XD
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<kiyoura> im still an ANSI C guy Hanmac <_<. but i'll try
<shevy> save for the Encoding addition in 1.9
<Hanmac> yeah come to the "1.9" side ... we have cooler methods :D
<kiyoura> haha well let me 'master' 1.8 first! i think using rails will force me to use 1.9 anyways
<atmosx> hello, shevy I need a hint
<shevy> I am curious how mruby will try to solve internationalization
<kiyoura> what i do like is that ruby 1.9 is much faster
<Hanmac> shevy you mean internationalized error messages?
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<shevy> no I mean Encoding actually. if we would have only one language, internationalization would be super simple
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<atmosx> I have a class method that returns tweets like -> puts "#{text}, #{id}, #{time}, #{location}" … for each tweet, now what is the best way for another method to get this info? return?
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<shevy> call it
<shevy> Foo.name
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<atmosx> hmm let's try
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<matti> shevy.make_me_coffee(:kind => :latte, :sugar => :none)
<matti> ;d
<matti> Now, does it work?
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<kiyoura> matti: you should use a hash literal
<kiyoura> instead of a varadic function
<matti> OK OK Sorry
<shevy> matti, #NoMethodError
<shevy> what is a varadic function
<shevy> is that like a monadic function but valid for nil values?
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<kiyoura> variadic *
<kiyoura> shevy: a function that excepts multiple (indefinite) arguments
<atmosx> I must start using hashes for these values
<atmosx> hmm
<atmosx> looks cleaner and easier, I never use them
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<kiyoura> s/excepts/accepts/
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<shevy> kiyoura aaaah varargs
<kiyoura> yeah
<shevy> vampiric functions
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<shevy> they drain all your time
<kiyoura> lmao
<shevy> kiyoura do you have a japanese nick?
<koshii> atmosx: If my experience with Ruby Koans and the subsequent discussion of nuances on this channel are any indicator, a lot of people don't use them/understand them.
<shevy> I never looked at ruby koans
* Hanmac throws "->" at the vampiric functions
<shevy> Hanmac lol
<kiyoura> shevy: indeed i do, but coincidentally i just thought it up randomly XD
<shevy> finally I see why matz added ->
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<atmosx> koshii: well yes, but I'd like to use them… I see them in all 'code tha matters'… I was taking a deeper look at 'tweestream' github repo's code… I've seen many things I don't understand or never saw before
<shevy> or he thought ruby needs it because perl has it too
<atmosx> they also use hashes all the time
<atmosx> anyway
<kiyoura> imo dont compare ruby to perl <_<
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<kiyoura> ruby is like a full toolset, perl is just a pocket knife
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<shevy> matz took a few ideas from perl
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<koshii> kiyoura: Heh I'm sure they would say it's the other way around. :-)
<shevy> $0 for instance
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<koshii> But Perl code is a diaster when I look at it. Just fucking ugly.
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<shevy> I think the regex part too and $1 $2
<kiyoura> koshii: exactly ..
<koshii> I really don't understand how people can work with it.
<shevy> and "there is more than one way to do it"
<hoelzro> it's not that bad to work with
<hoelzro> it *is* possible to write readable Perl.
<kiyoura> i prefer it to be called 'python's sister' than perl's sister
<kiyoura> perl is lonely
<koshii> hoelzro: That's a good book title! "Readable Perl"
<shevy> koshii if you were 25 years old when perl came about, you would now be ... 45 or 50 or something like that
<fkumro> koshii: If done right its not too bad, but most people don't do it right
<shevy> and old folks hate to learn new things, despite them saying otherwise
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<koshii> shevy: Well, I'm 42 and just learning Ruby.
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<shevy> ok but take git
<shevy> git was started by linus
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<shevy> git uses C and perl
<shevy> why perl!!!
<hoelzro> and shell
<shevy> really??
<kiyoura> shevy: but github uses ruby ;)
<shevy> hmmmm
<matti> kiyoura: (:a => 1, :b => 1) is sill parsed as one Hash? Or am I wrong?
<hoelzro> because perl is ubiquitous?
<hoelzro> (sp)
<kiyoura> so just always use github XD
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<koshii> I didn't know that Linus developed Git...
<kiyoura> matti: the syntax is {:a => 1, :b => 2}
<shevy> hoelzro but so is python
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<JonnieCache> git used to be almost all perl
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<JonnieCache> they rewrote it in c
<hoelzro> I wouldn't say that, shevy
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<hoelzro> there are plenty of Linux distros that don't include python by default
<matti> kiyoura: Well, yes but....
<atmosx> koshii: the speech at google was really entertaining
<shevy> git used to be almost pure perl??
<mark_locklear> hey
<koshii> atmosx: I'll have to check that out.
<koshii> atmosx: I didn't think he developed it because, didn't the Linux kernel team adopt it quite late?
<shevy> I am beginning to believe linus only knows C, assembler and perl
<matti> >> def t(h={}) ; p h ; end ; t(:a => 1, :b => 2)
<al2o3cr> (Hash) {:a=>1, :b=>2}, Console: {:a=>1, :b=>2}
<koshii> shevy: A real hacker :-)
<mark_locklear> hey guys...I have a small script I am writing that needs to login to a db with the username and password. I am assuming I don't want this in clear text in the script. what is the best way to handle this. An include file?
<kiyoura> shevy: liek a boss
<shevy> hehe
<koshii> It's a fact: people whose primary languages are C and Assembly are 80% more likely to have a ponytail.
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<matti> kiyoura: I might be slow today, but ... I don't follow ;]
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<shevy> koshii when they still have enough hair
<koshii> shevy: True. :-)
<kiyoura> koshii: <_< f u
<hoelzro> mark_locklear: a config file, maybe
<koshii> haha
<kiyoura> so what if i have a ponytail right now
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<atmosx> koshii: http://www.youtube.com/watch?v=4XpnKHJAok8 … a friend of mine, who is a .NET programmer - now he is learning python at a fast pace - told me that he sounds a bit becuase he's so full of himself… On the other hand he knows how to write code.
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<koshii> kiyoura: Hope your C is good :)
<shevy> atmosx what!
<shevy> atmosx why do you befriend pythonista!!!
* shevy turns his head away sadly
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<atmosx> shevy: I told him to switch whilst in time, hahaha
<kiyoura> koshii: i hope so too!
<atmosx> shevy: he'll be converted in time, don't worry
<shevy> atmosx, btw you should upload the code snippet to pastie.org you try to use for your class method
<koshii> Ugh, 240p :)
* matti gives kiyoura teh looks and cries
<koshii> I can't believe we used to put up with this.
<atmosx> shevy: I'll gist it wait
<shevy> koshii be thankful it was not recorded with a potato
<koshii> :D
<kiyoura> matti: wait a minute.. by good C..do you mean readable?
<kiyoura> XD
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<shevy> today I saw a documentation, how a spider sees objects
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<koshii> shevy: An 8-legged spider?
<kiyoura> shevy: she Observers :p
<shevy> the spider was not able to make out too much details, and it felt rasterized, but you could still recognize the face of a human quite easily
<koshii> (cymbal crash)
<atmosx> here https://gist.github.com/3530455 … I want to use every tweet in another method.
<shevy> yeah koshii... a jumping spider (the kind that tries to catch its prey with a jump... most spiders normally use a web)
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<koshii> Oh you really DO mean a spider.
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<shevy> yeah
<levieraf> Hi guys
<koshii> shevy: Send me that?
<shevy> they can see a human face
<levieraf> sorry for the that will do
<levieraf> Create an interface Electric that has the methods IsCharged and Charge. IsCharged should return false unless Charge has been called.
<levieraf> Create a class Prius that implements Electric. Prius should override IsCharged to return false if the car has traveled over 100 miles since the
<levieraf> last charge.
<levieraf> Extend the class Prius with the class Car.
<levieraf> Car should have a function called OdometerReading that returns the total number of miles a vehicle has traveled.
<levieraf> Car should have a method called Drive that takes a single argument, this is the number of miles that the car will drive.
<levieraf> Prius should override the method Drive so if the integer passed in is greater than 100 then the car will only drive 100 miles (the range of the
<shevy> koshii hmm will try to find it, it was not on youtube but on a channel
<shevy> levieraf
<levieraf> vehicle)
<koshii> WTF
<shevy> why do you do that
<shevy> can someone ban him
<koshii> Accidental pasting probably.
<matti> kiyoura: ? :)
<matti> kiyoura: I am still asking about Hash passing.
<levieraf> shevy, sorry again my friend
<shevy> looks like java homework assignment
<shevy> class Car
<shevy> def Drive
<atmosx> [18:12:14] <levieraf> sorry for the that will do <--- he did it on purpose. He is evil
<shevy> but why is it upcased?
<kiyoura> matti: yeah sorry wrong person
<shevy> def Drive(argument_here)
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<shevy> also you cant extend a class in ruby with another class. you can only subclass. unless I am wrong
<levieraf> how i can do that?
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<shevy> and extend a module
<shevy> first create a .rb file
<shevy> :D
<shevy> then start with class Prius
<shevy> once that is finished and works
<shevy> class Car < Prius
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<shevy> (or other way around, I have no idea what you need actually lol)
<levieraf> shevy, look that
<shevy> you simply turn reallife descriptions into ruby code
<shevy> "IsCharged should return false unless Charge has been called."
<shevy> when Charge is called, set an @instance_variable
<shevy> def IsCharged
<shevy> return @is_charged
<shevy> horrible method names you have to use btw
<shevy> in ruby idiom it is more often seen to have things like
<shevy> def is_charged?
<shevy> @is_charged
<atmosx> Failed to connect to Twitter: Rate limit exceeded. Clients may not make more than 150 requests per hour. <---- #blah
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<shevy> :(
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<shevy> bastards
<shevy> write them a hate mail
<shevy> if they ignore it
<atmosx> yes, they killed Kenny!
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<kiyoura> atmosx: lrn2cache
<shevy> drive over to their place
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<atmosx> kiyoura: explain further, becuase I'm heavilly interested
<JonnieCache> did you make the mistake of doing api hits in your test stuie?
<JonnieCache> im banned from the google geolocation api because of that
<atmosx> ah learn to cache?
<atmosx> how do I learn that?
<shevy> levieraf, do not PRIVMSG
<shevy> you spam me
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<shevy> if you have code to show, go to pastie.org
<atmosx> JonnieCache: yes!
<shevy> paste the code there. then provide the link here on #ruby
<kiyoura> atmosx: cache the read tweets, so you dont have to pull again
<atmosx> JonnieCache: I do it all the time
<shevy> levieraf, last warning before I have to /ignore you
<atmosx> kiyoura: sounds cool, how do I do that?
<levieraf> shevy, ok sir
<shevy> man
<shevy> that were like 100 lines
<shevy> go to pastie.org
<kiyoura> atmosx: you can cough up your own method and write the tweets into maybe json or some other format and save them. or use a cache gem
<atmosx> I'm not able to write a test suite, I do it manually… so this cache thing is good.
<shevy> btw using @@foo variables is usually a bad idea
<atmosx> the cache gem is a good solution
<koshii> shevy: What is @@ exactly?
<shevy> a class variable
<atmosx> kiyoura: otherwise You mean, I can write a tweet-2-yaml and use that right?
<kiyoura> class variable
<atmosx> shevy: I see it as 'balls'
<kiyoura> atmosx: yeah
<shevy> it's valid for a class
<shevy> class Foo
<koshii> How would you use it?
<shevy> @@bla = 5
<koshii> Ah
<atmosx> kiyoura: this is annoygly easy to grasp concept
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<shevy> and all subclasses will be able to make use of this class variable too
<atmosx> but seems okay
<kiyoura> shevy: that's gross
<shevy> haha yeah
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<shevy> it confuses newcomers too
<kiyoura> that breaks encapsulation, inheritance in most cases should be avoided anyways
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<shevy> it also leads to subtle bugs eventually
<kiyoura> unless you're overloading ;p
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<shevy> @@foo should be treated as potentially dangerous like global variables
<kiyoura> singleton is probably a better solution
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<shevy> just that they reside in a class
<kiyoura> if something requires a @@var
<shevy> whereas a real global variable is really global
<shevy> :)
<kiyoura> shevy: or maybe global in Kernel ;p
<shevy> user_input = $stdin.gets.chomp
<shevy> hmm
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<shevy> I wonder if standard ruby makes use of @@foo variables
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<shevy> mechanize/test_case/refresh_without_url.rb: @@count = 0
<shevy> hahaha
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<shevy> that's exactly the only use case I can give for class variables
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<shevy> a COUNTER
<shevy> :)
<shevy> bio-1.4.2/lib/bio/db/embl/sptr.rb: @@entry_regrexp = /[A-Z0-9]{1,4}_[A-Z0-9]{1,5}/
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<shevy> :(
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<shevy> they could use ENTRY_REGREXP instead
<shevy> bio-1.4.2/lib/bio/db/embl/sptr.rb: @@dr_database_identifier = ['EMBL','CARBBANK','DICTYDB']
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<shevy> tempfile.rb: @@cleanlist = []
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<levieraf> shevy, thanks man
<Synthead> Any idea what libs I need to resolve these dependency issues? http://pastie.org/4616934
<levieraf> shevy, thanks man
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<shevy> hello echo
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<Synthead> this is when trying to compile ruby-shadow
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<shevy> -lshadow
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<mark_locklear> ok...what am I missing here...should this work? http://pastie.org/4617011 I just want to include a variable from another file.
<Synthead> shevy: this is on centos
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<shevy> -lshadow is usually for a file called shadow.so
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<shevy> mark_locklear and why does it not work
<shevy> Synthead hmm must be another .so file
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<shevy> shadow there does not install anything into lib/
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<Synthead> shevy: looks like ruby-shadow is the only package that provides shadow.so, but that's what I'm compiling :p
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<lectrick__> A little idea I had around super easy object initialization with a params hash: https://gist.github.com/3531135
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<hoelzro> lectrick__: I wrote something like that a few days ago
<hoelzro> I haven't published it yet, though
<lectrick__> :)
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<lectrick__> great minds think alike? :)
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<mark_locklear> shevy, $db_user is nil
<hoelzro> haha
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<lectrick__> hoelzro: Should be modularized of course, dangerous to put that in the global namespace but yeah
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<gyre007> anyone has an idea why would unicorn be constantly on 100% CPU ?
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<xorigin> leap second bug?
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<xorigin> (a bit unlikely after 2 months, but you never know)
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<cearls> what is the fastest way to read lines of a file into an array?
<Hanmac> cearls File.readlines("abc")
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<cearls> Hanmac: thanks, that's what i'm using, wanted to make sure there wasn't a faster way
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<hoelzro> lectrick__: I did it in a module you could mix into a base class
<hoelzro> so you could do class Foo ; include Antlers; attribute :foo, properties end
<Hanmac> cearls when you want an array, then there is no faster way
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<cearls> Hanmac: would it slow it down if i do File.open and then readlines?
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<cearls> Hanmac: the file is over 100K lines
<Hanmac> cearls i think it would
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<cearls> Hanmac: last question, readlines gives me the \n at the end of each line, any built in way to strip it?
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<Hanmac> File.readlines("abc").map(&:strip), or better: File.foreach("abc").map(&:strip)
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<geekbri> Hanmac: .chomp ?
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<Hanmac> chomp is fine too
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<cearls> File.foreach faster than deadlines?
<cearls> readlines
<hoelzro> they're probably synonyms
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<Hanmac> cearls the difference isthat foreach dont create an array first ... when you map it readlines create an array twice
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<aibo> Hello, can't delete XML Node from XML tree using nokogiri gem, here is my code `page.search('//td[@class="Right"]').each { |node| node.remove }` it does nothing
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<cearls> Hanmac: what about getting lines that are more than 2 characters? does that need to be separate?
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<lectrick__> hoelzro: Yeah that was the idea. where's your code? :)
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<hoelzro> lectrick__: it's private atm
<hoelzro> but I can publish it
<hoelzro> it's nowhere near complete
<lectrick__> hoelzro: ok. well glad my idea had credence elsewhere. that usually means it was good :)
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<hoelzro> lectrick__: well, I've ended up implementing it a few times over in Ruby already =)
<hoelzro> maybe I'll gemify it
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<lectrick__> i have yet to gemify something. i need to get on that, I have a few candidates by now
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<hoelzro> lectrick__: https://gist.github.com/3533581
<hoelzro> that's what I've got so far
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<hoelzro> no guarantees that it works ;)
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<hoelzro> so you do something like this:
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<hoelzro> class Test; include MooseyFate; has :foo,
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<lectrick__> hoelzro: Where's your inline test suite? :)
<hoelzro> this was for a one-off, so there is none yet ;)
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<lectrick__> For my libs I usually have something like this at the bottom so that "running" the class definition directly actually runs the test suite for it:
<lectrick__> if __FILE__==$PROGRAM_NAME; require_relative '../../test/unit/lib/array_utils_test'; end
<lectrick__> yes, yes, i know require_relative sucks, sigh
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<levieraf> hi guys
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<levieraf> I have got a question about the use of variable that used @ and @@ in a class
<levieraf> ??
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<levieraf> thanks
<matti> @@ - class, @ - instance.
<lectrick__> levieraf: Just ask the question.
<matti> Lol
<lectrick__> @@variable is accessible by both the class itself and its instances, AND its subclasses (which refer to the SAME OBJECT it points to, note!!!)
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* matti notes
<lectrick__> @variable is only accessible by the context where it is defined. If at the class level, only by the class definition. If in an instance method, every instance gets its own copy of that variable.
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* matti notes
<matti> ;-)
<lectrick__> That's @@ vs. @ in a nutshell.
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* matti notes
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<lectrick__> Also, @@ will raise an error if you try to access it without setting it first. @variable just returns nil.
<matti> :)
<levieraf> ok
<levieraf> thanks lectrick__
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<lectrick__> I can't tell you how many things I had to read before I understood the 3 sentences I just typed lol
<matti> Haha
<matti> lectrick__: +1
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<levieraf> lectrick__, jajajajajjajajajajajaja, hermano ahora si me hiciste reir jajajajajajaj - jajajajajjajajajajajaja brother made ​​me laugh now if jajajajajajaj
<levieraf> lol
<lectrick__> ??
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<burgestrand> I always enjoy seeing ha-ha in other languages. :3
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<burgestrand> Japanese has the best one. w.
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<rippa> wwww
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<ry4nn> how would i get the name of the class from a static method, like class A; def self.a;end; end .. wanting to get 'A' from self.a
<libryder> what's the point of mixing in a module that contains a class rather than requiring the class sans module?
<libryder> namespacing?
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<libryder> module Foo; class Bar; end; end; vs class Bar; end;
<Hanmac> ry4nn there are no satic methods, but what about "self"?
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<heftig> ry4nn: self is A, self.name is "A"
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<matti> OT: BBC in London in looking for Ruby dude.
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<Hanmac> matti so the BBC itself is hireing?
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<ry4nn> cheers, thanks
<ry4nn> what do you call self.a then if its not static
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<yxhuvud> a method call.
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<Hanmac> ry4nn in ruby there is no static ... only singleton methods on the class object ... class methods
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<burgestrand> ry4nn: what you call static methods we call class methods
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<burgestrand> but they are just regular methods, just placed on a different object
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<cearls> Hanmac: wanted to say thanks for the tip on sets earlier.. set.include? is crazy fast compared to array.include?
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<hoelzro> cearls: set.include? is probably O(1) or O(log n)
<hoelzro> whereas array.include? is probably O(n)
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<cearls> hoelzro: My script went from taking 10 minutes to under a second to run
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<Hanmac> set.include is faster because it uses hash.include for checking ... (as far as i knew)
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<hoelzro> if you have a lot of elements, I'm not surprised
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<cearls> hoelzro: yes, 110K
<hoelzro> that would do it =)
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<lindenle> Can i include a file in my ruby code (one that has viaraibles defined)
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<matti> lindenle: Try: load
<matti> lindenle: Try eval() -- be warned, performance hit.
<Hanmac> eval is a bitch :P
<matti> What he said -> Hanmac
<matti> ;d
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<lindenle> matti: I tried load and it did not seem to work
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<shevy2> guys
<shevy2> oops
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<shevy> guys, I have a file like this: http://pastie.org/4618467
<shevy> it is delimited by -
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<shevy> what would be an easy way to build an array from that? i.e. split at every - section
<matti> shevy: That is _almost_ a YAML ;d
<shevy> yeah
<shevy> it is a yaml file, but I broke it :(
<matti> lindenle: Works for me ;d
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<shevy> but I dont have time to fix it right now ...
<lindenle> matti can you paste it?
<lindenle> er pastebin
<matti> Please wait... generating code snippet in progress...
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<matti> Meanwhile, we ask you to subject yourself to this faboulous web site: http://fc02.deviantart.net/fs70/f/2011/255/e/b/bat_cat_by_neoslashott-d49iof2.swf
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<shevy> matti how would you split such a file?
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<shevy> read in via File.readlines, then group?
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<matti> shevy: Split?
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<shevy> matti hmm
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<shevy> yeah I think that may be simplest
<shevy> is there a gem for this? :P
<shevy> god, I am so lazy...
<matti> lindenle: load seem to load only if you have a global there. Bummer.
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<lindenle> matti: I see, so what about eval?
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<matti> lindenle: Well, eval aside of being a bitch... might work i.e. ruby 'x = eval(File.read(...))'
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<matti> shevy: Is this a configuration file?
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<matti> shevy: Use either a = b, easy to parse. Or ini-file, or YAML (popular).
<shevy> matti no, just a file with slogans (i.e. alan kay "best way to predict the future is to invent it")
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<shevy> my gripe right now with yaml is that it wants to have a valid formatting
<matti> shevy: Well then, even CSV will do in such case?
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<shevy> hmm
<shevy> never used CSV so far for myself
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<bradhe> Is there a method I can call to tell if a given object is truthy? I have an array of booleans and I want to see if they're all true, something like [true, true, true, false].all?(&:some_method)
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<Boohbah> bradhe: all? method returns true or false
<bradhe> oh snap
<bradhe> that's awesome.
<bradhe> thanks, I didn't know that.
<Boohbah> [true, true, true, false].all? # => false
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<shevy> all what there
<shevy> :D
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<blazes816> just removed ~40 of these from the codebase i'm working on: "return (a_var ? true : false)"
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<davidcelis> lolololol
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<gyre008> guys, Im trying to install the rubyracer gem?.but the install is failing with: extconf.rb:16: undefined method `include_path' for Libv8:Module (NoMethodError)?anyone has an idea how to fix this ?? Im banging my head against the table..
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<blazes816> gyre008: you tried "gem uninstall libv8 && gem install therubyracer" ?
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<gyre008> blazes816 nope
<gyre008> should it help ?
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<blazes816> according to the very first link google returned for your error message. just confirming you didn't even try to find the answer
<gyre008> I DID
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<gyre008> i tried all answers i found
<gyre008> didnt see this one
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<gyre008> blaze816 I did that now and the install fails with: :) -> `gem_original_require': no such file to load -- libv8 (LoadError)
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<blazes816> try "gem install libv8 && gem install therubyracer" now
<blazes816> if that doesn't work i'd just install node, TRR kind of blows a little bit anyways
<gyre008> will try
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<neohunter> anyone have exp with ruby-gmail ?
<gyre008> blazes816 fails with the same error
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<gyre008> as before
<gyre008> undefined method `include_path' for Libv8:Module
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<blazes816> gyre008: osx?
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<gyre008> blaze816 Ubuntu
<blazes816> good man
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<gyre008> :)
<blazes816> what version of libv8 you have?
<gyre008> doesnt help haha
<gyre008> you mean the OS or the gem
<blazes816> gem
<blazes816> looks like they removed that method
<gyre008> libv8 (3.11.8.3 x86_64-linux)
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<neohunter> i need to retrieve emails from my email accounts, what do you recomment, using an IMAP gem or using ruby-gmail gem?
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<blazes816> gyre008: you okay with some guerrilla debugging? try adding "alias_method :include_path, :libv8_include_path" to line 57 of libv8/lib/libv8.rb
<blazes816> then try the install. it should work. looks like a bug.
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<gyre008> let me see
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<gyre008> blazes816 that file has only 50 lines :)
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<blazes816> ha
<blazes816> after def libv8_include_path
<gyre008> 50 /var/lib/gems/1.8/gems/libv8-3.11.8.3-x86_64-linux/lib/libv8.rb
<gyre008> sec
<gyre008> lets see
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<gyre008> :( `alias_method': undefined method `libv8_include_path' for module `Libv8' (NameError)
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<gyre008> ahhh
<gyre008> wrong line
<gyre008> second :)
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<gyre008> im still getting the same error
<gyre008> extconf.rb:16: undefined method `include_path' for Libv8:Module (NoMethodError)
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<blazes816> wtf
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<gyre008> but that Rails app im installing needs that gem...
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<gyre008> how does installing nodejs help ?
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<blazes816> sorry, I assumed you were just looking for the JS env
<gyre008> nope :(
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<arubin> If a method accepts two parameters and an optional block, can it be called with the first two arguments in parentheses and the block after them?
<arubin> I ask only because I am trying to understand some code.
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<blazes816> you mean like: foobar(a, b) { puts 'in a block' } ?
<blazes816> yes
<arubin> Yes, that is exactly what I mean.
<arubin> What exactly is happening there? Do the parentheses simply not matter at all?
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<blazes816> it's basically syntactic sugar around creating the block, assigning it to a var, and passing it manually
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<blazes816> or something like: foobar(a, b, Proc.new{ puts 'in a block' })
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<arubin> Okay. Thank you.
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