#ruby on 2012-02-15 — irc logs at freenode.irclog.whitequark.org

2011-11-28 00:09 Topic for #ruby is now Ruby programming language || ruby-lang.org || RUBY SUMMER OF CODE! rubysoc.org/ || Paste >3 lines of text in http://pastie.org || Para a nossa audiencia em portugues http://ruby-br.org/

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00:11 <voodoofish430> question related to class vars, I have ot actually right a method to access these, I cant use attr_reader :classvarname, correct?

00:11 <voodoofish430> write a method

00:11 <voodoofish430> ...ignore that right...

00:12 <havenn> virtuoussin13: Class A; end; A.new.foo(1,2,3) { |a,b,c| a + b + c }; A.send(:define_method, :foo) { |a, b, c, &block| a + b + c } #=> 6

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00:12 <Maarius> oooPaul: wow, it works. Thank you so much!

00:13 <cassarani> voodoofish430: technically you could use attr_reader, but only if you class_eval it

00:13 <cassarani> (presumably)

00:13 <havenn> virtuoussin13: Looks like you just needed the &block on your #foo.

00:13 <virtuoussin13> havenn: I don't see yield in there tho

00:13 <cassarani> voodoofish430: but I could be wrong, class variables are confusing as hell

00:13 <voodoofish430> hmmmm...I'll just stick with a method then.

00:14 <cassarani> yeah, I don't think you can do that actually

00:14 <cassarani> I think my answer would be "do you _really_ need a class variable? ;)"

00:14 <cassarani> Rubyists kinda tend to frown upon them

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00:15 <virtuoussin13> this still doesn't work A.send(:define_method, :foo) { |a,b,c,&blk| yield(a,b,c) }; puts A.new.foo(1,2,3) { |a,b,c| a + b + c }

00:15 <havenn> virtuoussin13: oops I failed with the yield, sec

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00:15 <voodoofish430> really, they do?

00:16 <voodoofish430> class vars for tracking things at could be related to multiple intsances?

00:16 <voodoofish430> thats frowned upon?

00:16 <cassarani> voodoofish430: http://www.oreillynet.com/ruby/blog/2007/01/nubygems_dont_use_class_variab_1.html

00:16 <voodoofish430> danke sir

00:16 <cassarani> why can't you just use an instance variable on the class?

00:17 <cassarani> class variables have very odd behaviour when inheritance is introduced

00:17 <banisterfiend> virtuoussin13: is that yield supposed to call that &blk ?

00:17 <virtuoussin13> banisterfiend: yes

00:17 <shadoi> cassarani: what's odd about it staying the same?

00:18 <banisterfiend> virtuoussin13: use blk.call instead

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00:18 <banisterfiend> the 'yield' always refers to the enclosing scope

00:18 <banisterfiend> so you'll likely yield to the wrong block or just get an error ;)

00:18 <cassarani> shadoi: I think class variables are shared across the whole class hierarchy

00:18 <cassarani> shadoi: so (if I remember correctly) subclasses can modify a superclass' value of a class variable

00:19 <cassarani> or something along those lines

00:19 <shadoi> cassarani: yeah, I suppose it's not obvious you can shoot yourself in the foot with it.

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00:19 <shadoi> sort of like a scoped global.

00:19 <oooPaul> back.

00:19 <oooPaul> I think banisterfiend has the right idea.

00:20 <virtuoussin13> what does scope have to do with yield tho?

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00:20 <evenix> hi all

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00:20 <voodoofish430> cassarani: that article is around 5 years old.....and from looking at the comments, later versions of ruby act differently from the one that was used in this example.

00:20 <cassarani> shadoi: yeah, I think the main problem is that the order that your classes or subclasses get loaded in will affect what value a class variable will have

00:20 <banisterfiend> virtuoussin13: because the block is a closure, it doesnt just close over local variables it also closes over any extant blocks

00:20 <cassarani> which is bloody sneaky

00:20 <banisterfiend> virtuoussin13: i wrote a blog about it holdon

00:21 <banisterfiend> virtuoussin13: http://banisterfiend.wordpress.com/2010/11/06/behavior-of-yield-in-define_method/

00:21 <cassarani> voodoofish430: you're probably right, I just gave you the first google search result for what I was really getting at

00:21 <oooPaul> Yeah, that works.

00:21 <shadoi> cassarani: I use it in 1 place as a connection cache, for that it's good, but there are very few cases I'd ever use it otherwise.

00:21 <oooPaul> define_method(:foo) do | a, b, c, &blk|; blk.call(a, b, c); end

00:22 <cassarani> voodoofish430: the main problem with class variables is - as I said above - that they tend to lead to bugs that are very difficult to debug because of the way they are shared across the class hierarchy

00:22 <cassarani> shadoi: exactly the same here

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00:22 <cassarani> voodoofish430: either way, it's a well-known fact that experienced Rubyists will tend to shy away from class variables when possible

00:22 <voodoofish430> cassarani: I'm using the class var as it's simple to use for what I need. using instance vars would require more work I would imagine since I have to keep the var count related to each and count them.

00:22 <virtuoussin13> ugh.

00:22 <cassarani> voodoofish430: you can use an instance variable on the class

00:23 <cassarani> voodoofish430: and it will act like a class variable, except sensible

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00:23 <virtuoussin13> silly silly silly

00:23 <virtuoussin13> okay thanks

00:23 <cassarani> voodoofish430: I know you're unlikely to run into any problems, I'm just telling you what you're doing is kind of a bad practice

00:24 <cassarani> voodoofish430: but I'm sure it works just fine

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00:30 <voodoofish430> cassarani: it works for what I'm doing, but I'll take a look at another article that mentions the evils of it's uses. Thanks! :D

00:30 <voodoofish430> I think this one may be a bit more up to date.

00:30 <cassarani> the book "Eloquent Ruby" (which is excellent, by the way) has a chapter on the whole issue

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00:32 <Fighterr> anybody here ?

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00:32 <virtuoussin13> Fighterr: no

00:33 <virtuoussin13> Fighterr: I'm kidding

00:33 <virtuoussin13> ask away

00:35 <Fighterr> virtuoussing13 : funny ;)

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01:24 <ElderFain> robacarp is a badass. that is all.

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02:56 <startling> do any of you use treetop? what's the best way to do "many of this rule, separated by spaces"?

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04:49 <asteros> hey all, is there a way to split a string by a delimiter only when it's not in quotes without resorting to regex? For example, "\"Hello, one\", \"Hello, two\"".split(",") returns each individually

04:49 <asteros> thanks in advance

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04:51 <rippa> split('",')

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04:54 <asteros> ah, ok, thanks. looks like i'll just write up some regex for the split and try to make it robust enough

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05:23 <t-mart> what must I do to have an instance method return a new instance of the same class. "return new" comes back with undefined method and self.class.new doesn't work either because i've private_class_method :new

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05:49 <davidcelis> you made new private?

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05:56 <startling> can I get treetop to throw out certain things, like spaces and parentheses?

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06:10 <lolmaus> Hi! Please suggest a library to parse command line arguments

06:10 <banisterfiend> lolmaus: slop

06:11 <lolmaus> banistergalaxy, thx

06:13 <lolmaus> I've started using Rubymine and Gitgub, but i'm not familiar with either. I'm going to rewrite my 'lil project from scratch. What's the appropriate approach for that in git?

06:13 <lolmaus> Something tells me starting a new repo would be best...

06:13 <banistergalaxy> lolmaus: git init

06:15 <lolmaus> banistergalaxy, i mean i've already got my project into Github. And i'm updating it with Rubymine as i code. But i'm going to rewrite it totally. Should i dump the repo or there's some technique like branching or whatever?

06:16 <banistergalaxy> lolmaus: well, if u want to keep the project structure then branch

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06:18 <banistergalaxy> lolmaus: but u dont have to branch if you really dont want ot keep your current work, just write it the way u want then push it

06:18 <banistergalaxy> you'll still have what you've got now in your history anyway

06:19 <lolmaus> Thx banistergalaxy

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06:51 <shellox> hi

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06:51 <shellox> is there a tool like metrical for ruby 1.9?

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07:04 <vectorshelve> is there a way i can get rid of a ban from a room...

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07:25 <sarkis> hey guys i can't find what ruby -rubygems does in the man pages for ruby

07:25 <sarkis> sintra website says to run sinatra apps like: ruby -rubygems app.rb, i'm assuming that tells ruby to use rubygems?

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07:54 <lolmaus> Anyone familiar with Slop?

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08:22 <vectorshelve> hala

08:22 <vectorshelve> is there way a user can get out of a ban from a room particluar ?

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08:23 <vectorshelve> ABK: CodeZombie dv_ elliot_ flagg0204 GoBin hubub i8igmac kaiwren ^^^^

08:24 <ABK> vectorshelve: what

08:24 <ABK> ?

08:24 <vectorshelve> ABK: if a user is banned from a room hw can he get back in?

08:25 <GoBin> vectorshelve: what do you want from me ?

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08:25 <vectorshelve> GoBin: if anyone could answer this question

08:26 <vectorshelve> GoBin: thats all... sorry if i disturbd u

08:26 <ABK> normally you gotta contact the admins/creator of that channel

08:26 <GoBin> vectorshelve: sorry i cant help you with that....

08:26 <vectorshelve> ABK: ok

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08:27 <ABK> actually you can ask these sort of Q at #freenode channel

08:27 <ABK> they will be of more help

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08:28 <Engin> how to make ruby apps load faster with mod_passenger ?

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08:29 <Engin> it is slow as hell at first start

08:29 <Engin> there's this PassengerSpawnMethod I saw in the docs, but apparently my version of mod_passenger does not support it

08:29 <Engin> or should I not care ?

08:29 <Engin> because I'm at deployment phase right now, I'm restart apache a lot hence it is disturbing as hell... but normally maybe it would be ok ?

08:30 <Engin> how do you guys do it ?

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08:38 <cymew> Have anyone successfully used a gem/library to access file systems extended attributes? I'm looking at a xattr gem, and the code at http://dinhe.net/~aredridel/projects/ruby/ruby-xattr and I can't get it to work. I'm a ruby newbie, so maybe I'm doing something wrong

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08:59 <AxonetBE> Somebody has also problems when rails/ruby launch an error? Everytime I have a method missing or routing error my laptop freeze because a high use of cpu and ram ( MBP late 2010 4GB ram I5 )

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09:32 <shevy> hmm

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09:32 <shevy> is there a way to easily set an array to keep only 5 members

09:33 <shevy> should I probably subclass from Array and handle addition to the array on my own?

09:33 <shevy> "if addition would lead to more than 5, prevent that" perhaps

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09:35 <banisterfiend> shevy: if the array is an ivar you could just control access to it through instance methods and check for size then

09:35 <shevy> oh

09:36 <shevy> that would be even easier than subclassing

09:36 <shevy> I guess I'll do that, the array is keeping track of an inventory of a character ... @layers[:inventory] = []

09:37 <shevy> only 5 slots will be displayed from within the GUI lateron

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09:40 <banisterfiend> shevy: gosh http://i.imgur.com/8B8mG.jpg

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09:46 <shevy> I watched the simpsons a long time ago with the dolphins taking over springfield

09:46 <shevy> since that day I knew that dolphins are evil beings with a cute smile

09:46 <matti> shevy: Last time this position was taken by Koalas?

09:46 <matti> shevy: Or Pandas?

09:46 <shevy> dunno, I never liked Koalas or Pandas much

09:46 <matti> I don't precisely remember.

09:47 <shevy> but I used to watch Flipper when I was young

09:47 <matti> shevy: And the damage was done ;p

09:47 <shevy> Koalas remind me of those ... sloths, the most useless animal alive

09:48 <banisterfiend> matti: remember when you had certain men on this channel you used to always wink at?

09:48 <banisterfiend> matti: dont do that anymore? :)

09:48 <lolmaus> How do i clear a line in console after "print foo"?

09:48 <banisterfiend> lolmaus: use puts instead

09:48 <banisterfiend> puts foo

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09:49 <rippa> lolmaus: print "\n"

09:49 <matti> banisterfiend: I wint at everybody.

09:49 <matti> banisterfiend: wink*

09:49 <matti> banisterfiend: I just habitually type smily face.

09:49 <lolmaus> banisterfiend, rippa, i want to remove previously printed text

09:49 <lolmaus> It's kinda status indicator

09:50 <banisterfiend> lolmaus: read about ansi codes

09:50 <matti> banisterfiend: I don't remember ;/

09:51 <lolmaus> banisterfiend, i tried printing this: CLEARLINE = "\r\e[0K"

09:51 <lolmaus> But no luck

09:51 <shevy> lolmaus use \r I think

09:51 <shevy> and .flush

09:51 <lolmaus> shevy, flush?

09:51 <rippa> lolmaus: \e[2K

09:51 <rippa> clears current line

09:52 <shevy> yeah something like

09:52 <rippa> works for me

09:52 <shevy> R = "\r"; print R; STDOUT.flush

09:52 <lolmaus> shevy, wouldn't it clear the whole screen?

09:52 <shevy> hmm

09:52 <rippa> flush doesn't clear anything

09:53 <rippa> it flushes stdout

09:53 <banisterfiend> rippa: hey rippsy

09:53 <rippa> *flushes buffer

09:53 <rippa> to stdout

09:53 <rippa> banisterfiend: hi

09:53 <shevy> lolmaus using \r does not work for you?

09:53 <banisterfiend> rippa: you run osx right?

09:53 <rippa> banisterfiend: no

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09:58 <lolmaus> \r works: it moves the cursor left. But it does not clear the line.

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09:58 <lolmaus> \e[0K and \e[2K simply output "[0K"

09:59 <yakko> hi everyone, how do I list all directories in ruby within a given directory path?

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10:00 <lolmaus> BTW, i'm testing this on Windows

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10:02 <yakko> lolmaus: ewwww

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10:04 <Tasser> yakko, Dir['**'] might work

10:04 <rippa> lolmaus: you can try just printing a lot of spaces

10:04 <rippa> on top of your line

10:04 <Tasser> yakko, Dir['**/*'] gives you all files

10:04 <yakko> Tasser: how can I filter only dirs ?

10:04 <rippa> though escape sequences work for me

10:04 <yakko> Tasser: oh I see

10:05 <Tasser> yakko, nah, the above doesn't work. only the '**/*' part

10:05 <yakko> Tasser: can you point me a webpage for those wildcharactering?

10:05 <Tasser> yakko, or you can shell out: find -type d . # ;-)

10:05 <Tasser> yakko, it's bash expansion/globbing

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10:05 <Tasser> yakko, what's the overall task?

10:06 <yakko> Tasser: 1. list all directories only recursively, 2. list all files in each dir not recursively, 3. count lines of each file

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10:09 <yakko> Tasser: help

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10:14 <Tasser> yakko, find . -exec wc -l {} \;

10:15 <yakko> Tasser: how about files within a given dir non-reccursive?

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10:16 <Tasser> yakko, wc -l *

10:17 <yakko> Tasser: oh cool

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10:17 <yakko> though it only worked for a single file

10:17 <Tasser> yakko, go learn some bash ^^

10:18 <yakko> Tasser: I'll need to schedule that

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10:19 <Tasser> yakko, aka you'll never do it? ^^

10:19 <yakko> Tasser: never for the moment

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10:19 <Engin> where should I get support for mod_passenger

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10:20 <yakko> Tasser: Find.find("*", :type=>:d) ?

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10:20 <yakko> Engin: #ror

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10:20 <pcboy_> #ror? How many ruby/rails channels out there. I'm already on #RubyOnRails, #rails, #ruby and #ruby-lang.

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10:21 <yakko> pcboy_: it's a redirect channel

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10:21 <pcboy_> yakko: Oh.

10:21 <Tasser> yakko, huh? there's a find gem? ^^

10:22 <Tasser> not even a gem

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10:22 <yakko> Tasser: require 'fin'

10:22 <yakko> find

10:23 <Tasser> yakko, but it doesn't support that much if you take a look at the sources

10:23 <Tasser> yakko, I'd probably just shell out as mentioned above

10:23 <yakko> Tasser: go learn some ruby lol

10:23 <yakko> Tasser: how can I get 'find -type d' in a ruby array?

10:24 <yakko> Tasser: done it .split("\n")

10:24 <yakko> :D

10:24 <Tasser> yakko, I do know ruby and I do know when to use the correct tools ;-)

10:24 <yakko> thanks a lot

10:24 <yopp> monin'

10:24 <Engin> yakko: thanks

10:24 <Tasser> yopp, but you can actually do something akin to Find.find

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10:24 <yopp> Yes, I can.

10:25 <yopp> Yes, we all can.

10:25 <Tasser> yakko, ^

10:25 <yakko> a = `find -type d`.split("\n")

10:25 <Tasser> yakko, it works, it's short, but not ruby. :-)

10:26 <yakko> Tasser: whatever, I just need to count some lines from a mail list I got from a php friend

10:26 <shevy> hehe

10:26 <yakko> Tasser: too many folders =/

10:26 <Tasser> yakko, :D

10:26 <yakko> Tasser: but if I had said that some morron would have said "spamming isn't cool" =/

10:27 <shevy> yakko you could iterate through the content with Dir['**/*'] something and then apply a .reject {|x| ! File.directory?(x) } to exclude dirs

10:29 <yakko> shevy: I need a tree viewing on that

10:29 <Tasser> yakko, lstree

10:29 <Tasser> yakko, ehh, tree

10:29 <yakko> omg, I said spam now I'm getting tons of help =D

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10:29 <Tasser> you should have said sex-spam

10:30 <yakko> hey guys, I'll be spamming a porn website, can I get some help on this file listing thing?

10:30 <Tasser> s/spamming/grabbing/

10:31 <yakko> how do I use "wc -l *" in a ruby way?

10:31 <Tasser> Dir.pwd.entries # but I think the Dir api sucks a bit

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10:32 <yakko> Tasser: no... the system method sucks

10:32 <Tasser> Dir.entries('.').map {|f| f.directory or [f, File.readlines(f).size] }.flatten

10:33 <Tasser> imo trailing conditionals suck

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10:34 <yakko> I want it readable lol

10:34 <yakko> Dir.entries

10:34 <yakko> good to know

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10:35 <Tasser> yakko, foobar.baz.hello.there if something.else - something.else and foobar.baz.hello.there - somewhat better if the condition is first imo. Choose your own style

10:35 <yakko> Tasser: is there a Dir.entries that lists onlydirs?

10:35 <Tasser> yakko, see f.directory? or # ups, error

10:35 <Tasser> yakko, a directory is a file as well in UNIX

10:36 <yakko> Tasser: when file-handling is the ONLY time I actually miss .NET

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10:36 <Tasser> yakko, I'm not sure how windows handels file/directories

10:37 <yakko> Tasser: .NET framework is awesome on that specific part

10:37 <Tasser> hm, oke

10:37 <Tasser> can't tell :-)

10:37 <yakko> Tasser: it's among their 5 (only) reasons to use .NET

10:38 <banisterfiend> yakko: considering you seem to barely know the ruby file/directory API i dont think you're in a positin to say .NET does this part better ;) (yet)

10:38 <yakko> banisterfiend: 5 years

10:38 <Tasser> banisterfiend, they kind of miss a 'path' object

10:39 <Tasser> banisterfiend, as well as the ruby time stuff needs an 'intervall' object ;-)

10:39 <shevy> well we can make a .NET like framework for ruby

10:39 <yakko> Tasser: I'm pretty sure somebody made a good file api somewhere, it's just not so well known

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10:39 <shevy> we have some individual components

10:39 <shevy> like pry to inspect every object at runtime

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10:40 <shevy> btw I hate Pathname.new

10:40 <shevy> I think the world would be a better place if Pathname would be removed

10:41 <matled> shevy: what do you dislike about pathname?

10:41 <yakko> shevy: yeah, global warming would stop

10:41 <shevy> matled that it is long and convoluted Pathname.new("http://www.google.com/google_is/toobig/stuff.mp3").basename

10:41 <shevy> puts Pathname.new($0).realpath

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10:44 <shevy> if I would redo ruby, I'd use File and Dir solely. Pathname and FileUtils would be gone.

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10:53 <yakko> Tasser: can I make Find.find('.').map {|f| } have f as a fullpath name?

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10:54 <Tasser> yakko, my short observation of the source tells me you can't

10:55 <yakko> Tasser: thanks I think I can prepend it anywanys =)

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10:57 <Tasser> yakko, how so?

10:58 <yakko> File.join(base_path, dir, f)

10:58 <yakko> Tasser: now I'm in question...

10:59 <yakko> Tasser: should I rename "city.txt" to "5000 - city.txt"

10:59 <yakko> or should I make a db table with path and count of files? =/

11:00 <Tasser> what do you want to do with it?

11:01 <shevy> hmm

11:01 <shevy> I think it is not a good idea to add too much meta information into the filename itself

11:01 <shevy> If you have to make a db anyway, you can keep track of the information in it or?

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11:04 <Kingsy> anyone in here use capistrano? I know its offtopic but I am stuck and no-one is around in the support channel.. thought I would ask around?

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11:05 <shevy> I dont use capistrano, perhaps someone else does here

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11:09 <Tasser> hm, didn't know that the "\n" part of puts isn't threadsafe

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11:40 <Maarius> Okay guys, I am stuck with the following problem for days now, so any help would be absolutely appreciated. Following situation: I use RoR to communicate with a PHP based API throught GET and POST requests. Some of the requests require an AUTH cookie, which I manually send in the header like this: @tmp_result = Net::HTTP.get(URI.parse('example.php'),nil, {'Cookie' => session[:AUTH]}). However, although it is send in the header, it is somehow

11:40 <Maarius> passed through. Do you have any idea why the cookie is not presented to example.php or any other method I could use for the get request?

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12:32 <lolmaus> How do i "save" a code block into a variable?

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12:36 <banisterfiend> lolmaus: def hello(&block); @block = block ;end

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12:38 <vectorshelve> anybody know a thing or two abt rails out here

12:38 <vectorshelve> ?

12:39 <banisterfiend> vectorshelve: join #rubyonrails

12:39 e|f_ has joined #ruby

12:39 <vectorshelve> banisterfiend: they talk less no rails and more on other stuffs

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12:40 <vectorshelve> button.btn.btn-primary type="submit" text -> Add Answer method -> link_to_answer(@question) just put this into button_to rails method

12:40 <banisterfiend> vectorshelve: join another rails channel then, #railsbridge

12:41 <vectorshelve> banisterfiend: hardly 10 ppl who sleep more and talk less :( pls help me

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12:41 <banisterfiend> vectorshelve: this is not a rails channel

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12:41 <vectorshelve> banisterfiend: bt does that stop from helping a bro in need ?

12:42 <lolmaus> banisterfiend, you mean i can only pass a block to a method?

12:42 <vectorshelve> banisterfiend: i have been banned there :(

12:42 <banisterfiend> lolmaus: yes

12:42 <banisterfiend> lolmaus: perhaps you want this: my_var = proc { puts "hello" }

12:42 <lolmaus> Thx banisterfiend

12:42 <vectorshelve> Radar: u there?

12:42 <lolmaus> banisterfiend, oooh

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13:13 <`brendan> moring

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13:18 <AutoMan> How do you pass a jruby hash to a Java method that excepts hashes?

13:19 LMolr has joined #ruby

13:19 <AutoMan> Yes I posted on Jruby too ;-)

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13:21 <shellox> can anyone help me with Net::HTTP? I try to make a post on dpaste.com with this script http://pastie.org/3387443

13:21 <shellox> the website redirect after the submit, so how can i do this with Net::HTTP?

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13:39 <gyre007> rubyists and rubystas

13:39 <gyre007> I have a q

13:39 <gyre007> http://pastie.org/3387546

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13:39 <Tasser> gyre007, guess why

13:39 <gyre007> why is the $1 variable in matched regexp group available in block when doing substitution and not directly in gsub ?

13:40 <Tasser> think of the order of evaluation

13:40 <gyre007> Id assume that when the code reaches $1.upcase it would've already $1 available...unless it somehow compiles the whole string1.gsub!() part and in that case Id understand

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13:43 <Tasser> gyre007, ruby doesn't compile, it evaluates ;-)

13:44 <Tasser> think of when the argument list is evaluated

13:44 <gyre007> Tasser, ok so that's what I meant :)

13:44 <gyre007> I guess it makes sense

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14:02 <cymew> ok. I have a hard time understanding the syntax of hashes, always had (I hate perl hashes). So say I iterate over a bunch of files and wants to store the filename in a hash, with the md5sum as a key. Why doesn't this work? "list{#{file} => #{md5sum}} "

14:03 <cymew> YEah, I have read the manual, I still don't get it.

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14:05 <wroathe> cymew

14:05 <wroathe> last[key] = value

14:05 <wroathe> key can be either a string or a symbol

14:05 <wroathe> generally prefereble to use symbols when possible

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14:06 <wroathe> So in your case you'd want list["#{filename}"] = "#{md5sum}"

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14:08 <cymew> ok, so the #{} makes it evaluate, and wrapping it in quotes makes it a string?

14:08 <wroathe> Yeah.

14:08 <cymew> and I messed up the [{ again...

14:08 <cymew> I am a lisper, so I get easily confused when there's more than one kind....

14:09 <cymew> Thanks

14:09 <wroathe> I've never programmed in lisp

14:09 <cymew> Great language. I find myself like ruby because it reminds me lots of lisp

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14:10 <Tasser> cymew, ever seen (let () ... ) in ruby? ;-)

14:11 <shevy> hmm

14:11 <shevy> I will kill people who try to use let () rather than let() !

14:12 <cymew> Tasser: Nope, not yet. I started last week and have not get got hold of a reference to browse. Sounds familiar. :)

14:12 <Tasser> shevy, lisp got lists only, so (let (var foo) ... ) is a call

14:12 <deryl> let ()

14:12 <JonnieCache> cymew: "#{md5sum}" is completely redundant and is equivalent to just md5sum

14:12 <Tasser> cymew, well, I just read a bunch of stuff on lisp, never coded too much...

14:12 <JonnieCache> actually md5sum.to_s

14:12 * shevy kills deryl

14:13 <JonnieCache> the #{} syntax is for string interpolation and its for cases like "this is my checksum: #{md5sum} there it is" instead of "this is my checksum: "+md5sum.to_s+" there it is"

14:14 <JonnieCache> its like sprintf except less awful

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14:15 <cymew> ok, I tried list["#{file}"] => md5sum.to_s instead and while I think I understand what it does this time, now I get a new error "syntax error, unexpected tASSOC, expecting kEND

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14:15 <cymew> list["#{file}"] => md5sum.to_s

14:15 <cymew> ^

14:15 <JonnieCache> its the => you want just =

14:15 <cymew> Ow, shoot.

14:15 <JonnieCache> => is part of the key => value hash syntax

14:16 <JonnieCache> you just want list[file] = md5sum

14:16 <JonnieCache> i wouldnt worry about converting everything to strings unless you have a specific need to

14:16 <shevy> yeah, think: assign that value, to that key

14:16 <cymew> I really can't seem to keep those apart. I am allgergic to syntax and the more kinds of funny characters I use the more confused I get. Considering I start out easily confused...

14:17 <shevy> the less characters you use, the better

14:17 <JonnieCache> cymew: id advise you to learn the fundamentals of the ruby language and then the syntax will seem less crazy

14:17 <shevy> your_hash['colour'] = 'green'

14:17 <cymew> hases are some kind of arrays, are they?

14:17 <JonnieCache> the key is that almost everything is a method call

14:17 <shevy> sort of

14:17 <shevy> but you can use any key for them

14:18 <shevy> for arrays, you can use only numbers... array[0] to get the first element, array[1] the second etc..

14:18 <cymew> JonnieCache: that is the easy part, coming from lisp. Everything evaluates to something.

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14:18 <tshirtman> hashes are more like a dictionnary, you lookup an entry, and get the associated result

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14:18 <shevy> just think of ruby as a place where objects happily live together

14:18 <tshirtman> in fact i call hashes more often dictionnaries than hashes

14:19 <shevy> yeah but ... Hash.new works, Dictionary.new does not :P

14:19 <Tasser> Dictionary = Hash; Dictionary.new

14:19 <JonnieCache> cymew: in ruby stuff that doesnt look like a method call actually is, for example with foo['bar'] = 'qux' you are calling a method called []= on foo

14:19 <JonnieCache> with a special syntax

14:19 <tshirtman> dict() works in python ;)

14:19 <shevy> hehe tshirtman ;)

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14:19 <cymew> I'm plowing through the book "Programming Ruby" now, testing stuff as I go along, since it's boring to just read. I find myself getting stuck on the same things as in perl, funny characters and hashes...

14:20 * tshirtman restrain from praising python here :P

14:20 <shevy> oh yeah cymew ... use {} and [] rather than Hash.new and Array.new. the first two are a bit faster. and less characters, so double advantage here!

14:20 <shevy> perl is a lot worse really

14:20 <shevy> I can never recall what is $$ and $` and $:

14:20 <cymew> perl is worse than everything, except teco

14:20 <shevy> ok, the last one I know finally...

14:21 <cymew> JonnieCache: Interesting example. You would wonder why you don't write foo.['bar'] though.

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14:21 <tshirtman> matz consider larry wall as his hero :P

14:21 <shevy> hehe

14:22 <tshirtman> so if you hate perl, i would suggest fearing ruby ;)

14:22 <JonnieCache> cymew: ruby is opinionated when it comes to aesthetics of code. some like it and some dont, and that is intentional

14:22 <shevy> shortcuts when it comes to syntax are good

14:23 <cymew> JonnieCache: ah, aesthetics.

14:23 <geekbri> I find ruby code to be generally much more readable than say..... perl :)

14:23 <shevy> yeah

14:24 <tshirtman> anything is more readable than perl

14:24 <shevy> hmm

14:24 <tshirtman> except assembly maybe

14:24 <shevy> not sure about php

14:24 <cymew> Larry Wall is a genious, no doubt about it. I just hate writing perl. I have reading it even more. Reading ruby is nice.

14:24 <JonnieCache> it has been said that you could pipe line noise into the perl interpreter and have it execute

14:24 <shevy> I'd say php is only a little bit more readable than perl

14:24 <cymew> well, genius, anyway...

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14:24 <Matiasu> Hello!

14:24 <geekbri> I was ready a python book and they explained perl very well in it... ruby and python are very opinionated and fairly exact about how things are written.. where as perl is more like say.. the english language... you can do things MANY different ways and that can lead to some very .... unique code :)

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14:25 <cymew> back to reading and coding. Many thanks for the help and suggestions.

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14:25 <Matiasu> I'm looking for a good book to learn Ruby, what are your suggestions?

14:25 <tshirtman> well, i think "black pearl" show how much you can do with valid syntax in perl…

14:25 <shevy> Perl sort of was an eternal hack upon other hacks. and then call it a programming language one day...

14:25 <JonnieCache> if youre already a proficient programmer i recommend this book http://shop.oreilly.com/product/9780596516178.do

14:26 <JonnieCache> cymew you should take a look at that too

14:26 <JonnieCache> its like k&r for ruby

14:26 jgarvey has joined #ruby

14:26 <Matiasu> alright, thank you

14:26 twqla has joined #ruby

14:26 <Matiasu> any other book I should consider?

14:26 <cymew> thanks! I'll look into it

14:27 <geekbri> Matiasu: I just finished that book. it is excellent.

14:27 <Matiasu> geekbri, this one? http://shop.oreilly.com/product/9780596516178.do

14:27 <geekbri> Matiasu: yeah.

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14:27 <Matiasu> great! I'll read it then :)

14:28 <Matiasu> thank you!

14:28 <geekbri> Matiasu: Matsumoto (Matz) is the creator of ruby and I've read other of Flannigans technical books, he is pretty good as well

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14:30 <JonnieCache> perhaps its still valentines day for some of you so enjoy this video http://www.youtube.com/watch?v=9aofoBrFNdg&ob=av2e

14:31 <tshirtman> i'm trying to do the same thing as here https://github.com/edavis10/redmine-budget-plugin/blob/master/lib/issue_patch.rb to add an "estimated_time_to_completion" method to Issues, http://paste.ubuntu.com/843075/ but it says me "undefined method `estimated_time_to_completion' for #<Issue:0x7f3b56cd2010>" when i try to use the method from my template

14:31 <tshirtman> 1/ am i using the good method to do such thing?

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14:32 cantbecool has quit [#ruby]

14:32 <tshirtman> 2/ what could be wrong? :/ i tried to adapt what he does in init.rb, but no luck either

14:32 Nathandim has joined #ruby

14:32 <tshirtman> (redmine question sorry)

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14:36 <prs`> how can i check if all elements in an array satisfy a predicate?

14:37 <prs`> right now I'm doing arr.select {..}.length == arr.length

14:37 <prs`> must be a nicer way

14:37 <thrope> hi all - I am a ruby beginner trying to get it to work inside vim on windows. Vim is compled with dynamic ruby support... I have installed 1.9.1 from ruby-installer.com, but vim doesnt find the dll... I get could not load library msvcrt-ruby191.dll.... if I copy the dll to be next to the gvim executable than I can do basic stuff, but not load any packages from the standard library

14:38 <thrope> so how can I get vim to load the ruby dll from the correct place?

14:38 <thrope> do I need to restart the computer after ruby installation?

14:38 <thrope> (I have logged out of my user account but restarting the system is difficult)

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14:41 <banisterfiend> prs`: arr.all?

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14:45 <prs`> banisterfiend: thanks, actually checked for that in the docs, but its not listed in http://ruby-doc.org/core-1.9.3/Array.html

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14:45 <Tasser> prs`, try Enumerable

14:45 <banisterfiend> prs`: Enumerable

14:45 <prs`> aha, got it

14:45 <prs`> ill try to remember that

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14:50 <JonnieCache> thrope: youre running ruby and vim yet you use windows? i guess thats been forced upon you?

14:51 gabeh has joined #ruby

14:51 <thrope> JonnieCache: yes

14:52 <Tasser> JonnieCache, windows does not like ruby, rubygems does not like linux, so you're stuck with mac?

14:52 <thrope> actually I almost get it working but I get an "unknown encoding name - latin1" (eval):788 in `force_encoding` ...

14:52 <JonnieCache> rubygems is fine on linux

14:52 <thrope> but I am not sure if that is coming from vim or ruby

14:52 <JonnieCache> as long as you dont try and fuck with the debian packages

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14:54 <Tasser> JonnieCache, well, it's the two sides - an own package manager, or use the one of your distribution. It kinda sucks if you want to install redmine via your package manager and have to use rubygems as well...

14:54 <Tasser> mac doesn't have that problem ;-)

14:54 <Tasser> </rant>

14:55 <JonnieCache> yeah it does. osx comes with its own old ruby and its own old rubygems and theres no neat way to replace them

14:55 <JonnieCache> so everyone builds their own like they do on debian

14:55 <JonnieCache> but as osx is only used for dev and almost never for deployment/production it doesnt casue problems

14:57 <Tasser> they have a different problem, not the one with rubgems

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14:58 <JonnieCache> imo its an inevitable problem with ruby's demented pace of change. if we want to carry on waking up every morning, cding into our project dir and running `bundle update` with all our deps pointed at the HEADs of github repos, then we're gonna have to accept that this comes at a price of friction with OS distributers

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14:59 <JonnieCache> (not that everyone does that, but it is common)

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15:05 <shevy> JonnieCache should ruby development have to be slow because packagers are unable to package ruby?

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15:05 <JonnieCache> no

15:06 <JonnieCache> but we should have understanding when the packagers get upset

15:08 <etehtsea> I just think that they should leave ruby gems alone and don't try to package every gem

15:09 <shevy> hmm

15:09 <shevy> anyone knows their rationale for not allowing gems to handle dependencies?

15:10 <JonnieCache> sysadmins dont like not having centralised control over every bit of code on their boxes

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15:11 <JonnieCache> the idea that developers should be able to go around managing their own dependency versions is abhorrent to the sysadmin philosophy

15:12 <nim_> i have a class first with attributes y,y in a second class i create an attribute k from the first class when i go to access the k.x i'm taking the following error undefined method `x' for nil:NilClass (NoMethodError)

15:12 <nim_> any idea?

15:12 <JonnieCache> which is understandable when you're solely responsible for the security and smooth running of hundreds of servers

15:12 <shevy> nim_ pls upload code

15:12 <shevy> your object does not exist

15:12 <shevy> k.x

15:12 <shevy> k is nil for whatever reason

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15:35 <theRoUS> does anyone know if there's a gem for making a string http-header-field-value-safe? as in removing/editing any characters illegal in such a value?

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15:43 <brandonhilkert> If you have a class with attr_accessor :color, when accessing from within the class better to use @color or color?

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16:01 <Synthead> is there a cleaner way to install the passenger module other than passenger-install-apache2-module? I'd really prefer the files to be installed by my package manager (apt on debian)

16:02 bluOxigen has joined #ruby

16:03 <tshirtman> Synthead: there is a libapache2-mod-passenger

16:03 <tshirtman> i installed it like this

16:03 blueOxigen has joined #ruby

16:03 <tshirtman> in depos

16:04 <tshirtman> repos*

16:04 <Synthead> tshirtman: will that work with ruby enterprise edition?

16:05 <tshirtman> no idea, i used it to deploy redmine, it works, that's all i know :P

16:05 <Synthead> tshirtman: I might have to pack it myself, heh. no biggie.

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16:10 <|DM|> Hello.

16:10 <Synthead> |DM|: hey

16:11 <rootkit> hi

16:11 * Synthead gets owned by rootkit

16:11 <Synthead> ah shit!

16:11 <|DM|> so, I have a coding competition in ruby coming up soon in school

16:11 <rootkit> :D

16:11 <|DM|> I was wondering where I could pick up some skills

16:11 davidpk has joined #ruby

16:11 <Synthead> |DM|: I like http://mislav.uniqpath.com/poignant-guide/

16:11 jergason has joined #ruby

16:11 <JonnieCache> what kind of skills? l33t skillz or basic skills

16:12 nmxdij4e-\ has joined #ruby

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16:12 <|DM|> l33t skills cause the competitor team are assholes

16:12 <rootkit> l337 sounds kinda nice

16:12 <|DM|> they always act snoby and stuff, they even hacked some of our members accounts.

16:12 <nmxdij4e-\> RuBy, a programmning language ..

16:12 <JonnieCache> this is pretty l33t http://rubyreloaded.com/trickshots/

16:13 <rootkit> how about ruby on rails

16:13 <|DM|> is ruby on rails better than plain ruby?

16:13 <JonnieCache> also this http://www.cleveralgorithms.com/nature-inspired/index.html

16:13 <JonnieCache> rails is a web framework

16:14 <rootkit> rubyonrails sounds so 90ish

16:14 <rootkit> but is it better than ruby?

16:14 <|DM|> so rails is only for online webwork?

16:14 <JonnieCache> thats like asking is spaghetti bolognese better than wheat

16:14 <|DM|> weird question, but what the holy fuck is "=>" ?

16:15 virunga has joined #ruby

16:15 <JonnieCache> its part of the hash syntax

16:15 <nmxdij4e-\> equalTo AND greater than

16:15 <JonnieCache> oh yeah and that

16:15 jlogsdon has joined #ruby

16:16 <rootkit> what is a hash

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16:16 <JonnieCache> confusingly people sometimes also use it to mean "the preceding code returns this"

16:16 <rootkit> i dont do drugs...

16:16 <nmxdij4e-\> #

16:16 <|DM|> "hash syntax" ?

16:16 <JonnieCache> a hash is a map of keys to values. if you dont kow this you should probably follow the pogniant guide to ruby or some similar beginners guide. those links i posted are quite advanced

16:16 <pseudonymous> If I have a class, ItemSet, with a private field, data - and I want to basically delegate ItemSet.each (the block it's passed) to ItemSet.data - how would I do it ?

16:17 <rippa> JonnieCache: that's because of irb

16:17 <rootkit> how about rubyonrails

16:17 macmartine has joined #ruby

16:17 <Synthead> (#)====O

16:17 <Synthead> bong

16:17 alecs has joined #ruby

16:17 <alecs> hello

16:17 <rootkit> hi

16:17 <Synthead> HI THERE

16:17 <rootkit> what kinda programs can i c0d3 with rubee ?

16:18 <tshirtman> |DM|: i think you want to pick a tutorial, not ask everything about the langage here :)

16:18 <Synthead> rootkit: ruby is just a fork of java, so minecraft, but only if you are smart

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16:18 <rootkit> that sounds nice

16:18 <Synthead> yeah!!!!

16:18 <rootkit> i do play minecraft a lot.

16:18 <|DM|> tshirtman: true, but what I did was a halfhearted attempt to troll. the community is too nice though; rootkit told me to help him troll here. I'm sorry.

16:18 dv310p3r has joined #ruby

16:19 <tshirtman> …

16:19 <gift> lol, ?

16:19 Ownatik has joined #ruby

16:19 <virunga> U make a Ninja wanna fuck

16:19 <gift> you guys make a terribad team :P

16:19 <rootkit> huh?

16:19 <|DM|> I know, that's why I defected.

16:19 <pseudonymous> please ? I just want to delegate the .each method to a privately contained data member

16:19 <geekbri> fail troll.

16:19 <rootkit> dont involve me. thats bullying.

16:19 <Synthead> one time I was like, "notch, I need some new blocks," and he was all, just download dem gemz here and I was all gem install and stuff but be was like "you are a stealer" and sued me for like millions of dollars so now I just work for free and chat on freenode

16:20 <rootkit> haha

16:20 <alecs> i have a small problem using ruby 1.9.1 (ruby 1.9.2p0 (2010-08-18 revision 29036) ) on debian squeeze ... and i dunno how to fix it http://pastebin.com/n4atMrzw (i am using rails 3.2.0)

16:20 ceej has joined #ruby

16:20 <|DM|> http://pastebin.com/2WqLbtVf

16:20 <rootkit> that guy is pasting some nonsense, i never spoke to him

16:21 <nmxdij4e-\> pastebin is full o nonsense

16:21 <tshirtman> silly silly rootkit

16:22 <Deele> for arrays, what range will be "from third, up to last"?

16:22 <tshirtman> we will bully him into a tree, i like trees

16:22 <virunga> |DM|, why did you save the dialog?

16:22 <rootkit> i am a legit person, this guy got banned in #programming.

16:22 <pseudonymous> bump Is there any intelligent life in here ?

16:22 <|DM|> virunga: that happened minutes ago, I simply copied the screen.

16:22 <rootkit> just /ignore |DM|

16:22 <nmxdij4e-\> jimmy_birer ?

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16:23 <rootkit> i am sure that if you people had more time to ACTUALLY ignore the trolls, you would be able to do more things.

16:23 <tshirtman> ofc

16:23 <virunga> rootkit, what's a troll?

16:24 <rootkit> not sure

16:24 <rootkit> some sort of creature

16:24 samsonjs has joined #ruby

16:24 <virunga> rootkit, how people become trolls? :)

16:24 <nmxdij4e-\> a movie

16:24 <rootkit> by doing.

16:24 <nmxdij4e-\> and game

16:25 <nmxdij4e-\> and cartoon

16:25 <JonnieCache> pseudonymous: in rails theres a `delegate` method, i think its part of activesupport

16:25 kpshek has joined #ruby

16:25 <JonnieCache> maybe have a look at that

16:25 <nmxdij4e-\> they visit mars>?

16:25 <nmxdij4e-\> sdklfpld

16:25 <rootkit> mars could be in ruby.

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16:25 <nmxdij4e-\> rubyonrails can easily quickly make games ?

16:25 <JonnieCache> you could just do `def each(*args); data.each(*args); end

16:25 <JonnieCache> or something like that

16:25 <rootkit> yes

16:26 <rootkit> make games with rubyonrails

16:26 <tshirtman> i guess it's obvious who is the troll now :)

16:26 <pseudonymous> JonnieCache: thanks - was beginning to think no one could see me for whatever reason. Though I found a better solution just now. Prefix the last arg with an ampersand (&) - that arg is now the block. then inside you write 'datavar.each $blockvar' and you're done :)

16:27 <JonnieCache> yeah thats how you specify the block

16:27 <rootkit> so where can i find more about ruby and gems?

16:27 <JonnieCache> but if you do *args like that it just captures everything i think, although maybe not the block as well

16:27 <JonnieCache> the * splat syntax is very handy

16:28 <JonnieCache> so i wonder who decided to organise an invasion?

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16:31 <JonnieCache> Deele: 3..-1 i think

16:31 <JonnieCache> or 3..array.length

16:31 <Deele> thx

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16:33 <sentry> anyone ever had troubles loading oci (oracle) libraries into ruby ? 1.9.2 version

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16:34 <sorin> Hello.

16:35 mafolz has joined #ruby

16:35 <sorin> I'm having encoding troubles with Ruby 1.9.3 and YAML. I have two strings that look identical to the eye. Both times Ruby claims that the encoding is UTF-8, but one has length 51 while the other 54.

16:36 <sorin> 54 is the right length. YAML does something to the string.

16:36 youdonotexist has joined #ruby

16:36 <virunga> bad YALM

16:36 <virunga> YAML :P

16:37 <virunga> maybe some space

16:37 <virunga> somewhere

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16:39 * tshirtman would use vimdiff to see where is the different between the two strings

16:39 <tshirtman> however, a loop over the chars of the strings in any language would work

16:39 <tshirtman> never trust your eyes

16:41 td123 has joined #ruby

16:42 <tshirtman> о ≠ o for example

16:42 jingoro has joined #ruby

16:42 <Deele> why '@stuff'[0].kind_of?(Symbol) is false?

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16:46 <Tasser> Deele, because it's a string

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16:49 <davidcelis> LOL.

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16:50 <waxjar> '@stuff'[0] # => "@" :)

16:50 <Deele> Tasser, one guy here told me, that would help me find, if first char of string is symbol

16:51 <Deele> would you suggest other method?

16:51 <JonnieCache> youre confused as to what a symbol is

16:51 <davidcelis> i dont think that "symbol" means what you think it is

16:51 <waxjar> i think you're confusing the ruby Symbol and symbols such as #$!@#%^

16:51 <JonnieCache> ahhhh good point

16:52 <Deele> I think, that guy who suggested, confused :)

16:52 <waxjar> Symbols are these things `:symbol`

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16:53 <davidcelis> :stuff

16:53 <davidcelis> that is a symbol

16:53 <davidcelis> no quotes or anything. just text prepended by a colon

16:54 Skaag has joined #ruby

16:54 <Deele> so, should I use regex

16:54 <Tasser> like :sex n stuff

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16:55 <waxjar> yeah, regular expressions are useful in this case

16:55 <JonnieCache> Deele: regex was what i was going to suggest

16:55 <Deele> I have bunch of strings in array, I'm looping over, getting out the ones, that has prefixed with symbol

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16:55 <JonnieCache> something like /$[\W\D]/

16:55 <Deele> what would be syntax for if...else statement?

16:56 <Tasser> Deele, go grab a basic ruby book ^^

16:56 <Deele> @names.each_index do |x|

16:56 <Deele> @this = @names[x]

16:56 <Deele> if @this[0].kind_of?(Symbol)

16:56 <Deele> this is my previous

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16:57 <arturaz> Perhaps anyone actually succeed running pageant + win + jruby for net-ssh?

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16:57 <JonnieCache> Deele: @names.select {|n| n =~ /$[\W\D]/ }

16:57 <waxjar> Deele, use map or each instead of each_index (look them up in the documentation to see why) :)

16:58 <JonnieCache> i suggest reading a ruby book

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16:58 <waxjar> forget that, listen to JonnieCache :P

16:58 <Deele> JonnieCache, I'm going for reverse learning

16:58 <JonnieCache> interesting...

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17:03 <Deele> waxjar, you, with map, made this more confusing

17:04 <waxjar> my job here is done :D

17:04 <Deele> I need Array['@name', 'name2', '%name3'] conversion to Hash['name'=>'@', 'name2'=>'', 'name3'=>'%']

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17:05 <Deele> so, I'm iterating over array, getting first letter, checking, adding new hash item

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17:06 <davidcelis> ... reverse learning?

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17:07 <prs`> is it possible to rescue an exception inside an each enumerator. Was thinking of something like in this (invalid) code snippet: https://gist.github.com/d31b19a366a27346d1df

17:07 <waxjar> read an article or two about arrays and hashes and ask again if you don't understand Deele :)

17:08 <Deele> waxjar, so, you dont like teaching...

17:08 <davidcelis> return something(elem)

17:08 <davidcelis> you're just gonna return before any rescuing

17:08 <davidcelis> that enumerator's gonna run... once?

17:08 <prs`> no, the function throws

17:08 <waxjar> Deele it seems to me like you don't like reading :p

17:08 <davidcelis> no, why the "return" statement?

17:09 <prs`> just to illustrate what I'm trying to do

17:09 <waxjar> plus i'm not teaching anything if i tell you exactly what to do, is it? :)

17:09 <prs`> return the output of something for the first elem in arr that does not make something throw

17:09 <prs`> if that made sense

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17:09 <Deele> waxjar, depends on the one, receiving information

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17:10 <davidcelis> but the return itself will throw, dude

17:11 <davidcelis> you can't stick a return in an each

17:11 <davidcelis> that throws a LocalJumpError

17:11 <prs`> aha, so what youre saying is that you cannot shortcircuit an each with a return

17:11 <davidcelis> yes

17:12 <davidcelis> wouldn't make sense anyway

17:12 <davidcelis> it would just make the enumerator cease

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17:14 <waxjar> Deele: my point is, you still won't understand how and why it works. read up a bit on arrays and hashes (google is your friend) and come back if you still don't understand (which I highly doubt) :)

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17:14 <Deele> waxjar, I always crawl in google, before asking

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17:15 <Deele> waxjar, just hoped, that someone will make it easier...

17:15 <davidcelis> Deele: honestly, we aren't really here for teaching. this channel is for questions, sure, but this isn't really a place to learn everything about ruby.

17:15 <davidcelis> read through a ruby book, check out the docs

17:15 <Deele> davidcelis, wow, I KNOW, that is not correct

17:16 <davidcelis> sure it is. #ruby is not a Ruby tutorial :)

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17:16 <geekbri> return will return from the lexically calling method i believe. perhaps you want next ?

17:16 <Deele> even if I'm newbie with ruby, have been in php, regex, jquery and other channels as helper, there is other situation

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17:17 <geekbri> LocalJumpError usually means that the method you are trying to return from has already returned...at least if i remember correctly thats what it usually means :)

17:17 <davidcelis> geekbri: Tried it out in IRB, it's thrown literally when a return statement is encountered at the top level of the each

17:17 <davidcelis> [1, 2, 3].each {|i| return i} #=> throws LocalJumpError

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17:18 <robacarp> you can't return from a block

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17:18 <geekbri> davidcelis: right beacuse return doesn't return from a block it returns from its calling method.

17:18 <JonnieCache> really? i thought i was doing so all the time, implicitly

17:19 <davidcelis> geekbri: What?

17:19 <robacarp> JonnieCache: http://stackoverflow.com/questions/1402757/how-to-break-out-from-a-ruby-block

17:19 <davidcelis> geekbri: As in, that would return from each?

17:19 <geekbri> davidcelis: the "return" call basically says "return from the last lexically scoped method" if i remeber correctly

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17:19 <geekbri> no

17:19 <geekbri> oh well maybe

17:19 <davidcelis> geekbri: Pretty sure you just can't stick a return statement in a block

17:20 <geekbri> davidcelis: well you can, if you want it to have an error.

17:20 <robacarp> in a block you want to use break

17:20 <davidcelis> lol.

17:20 <davidcelis> Touché, geekbri. Touché.

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17:23 <JonnieCache> i always assumed that the "last expression automatically returned" behaviour in blocks was the same as the "last expression automatically returned" bheaviour one sees in methods

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17:24 <robacarp> JonnieCache: well, it is, more or less.

17:24 <robacarp> its just not returning

17:24 <geekbri> davidcelis: I'm certainly not an authority.. I was just saying... from the depths of my bad memory.. that return is used to return from the last calling method (lexically I believe). So using return in a block will cause it to try to return from the last method that called whatever the block is running under. The block itself isn't a method so it doesn't return from that so to speak.

17:24 <robacarp> the block is evaluating to that value.

17:25 <JonnieCache> i guess so. can you not use return in a proc then either?

17:25 <davidcelis> geekbri: urrite

17:25 <davidcelis> geekbri: Stuck it in a method, it returned from the method

17:25 <burgestrand> JonnieCache: give it a try

17:25 <robacarp> JonnieCache: yea, best try it

17:26 <robacarp> I think procs behave more like methods but I use them rarely

17:26 <JonnieCache> touche

17:26 <burgestrand> The results are quite… interesting.

17:27 <ged> Deele: ['@name', 'name2', '%name3'].each_with_object({}) {|str,hash| m = str.match(/(?<sigil>[@%]?)(?<name>.*)/); hash[m[:name]] = m[:sigil] }

17:27 <ged> => {"name"=>"@", "name2"=>"", "name3"=>"%"}

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17:27 <Deele> ged, @array.map { |i| (i[0] =~ /[\w\d]/ ? @hash[i] = '' : @hash[i[1..-1]] = i[0]) }

17:28 <geekbri> davidcelis: right so to break from a block you can use either next or break. the difference being break will break from a block and an interator and next just breaks from the block and returns to an iterator

17:28 <geekbri> JonnieCache: be careful with return in procs... because if whatever method called that proc has returned already you will get a LocalJumpError.

17:28 <Deele> ged, those are named capture groups?

17:28 <ged> Deele: yes.

17:29 <Deele> ged, looks good, thanks

17:31 <geekbri> JonnieCache: if you want to "return" from a proc, you really want to be using lambdas. A return from a lambda does more what you think it does.

17:32 <JonnieCache> i dont need to do either, it was just a random question

17:32 <JonnieCache> but thanks :)

17:32 <geekbri> JonnieCache: ah :) well in that case. Return from a lambda returns from the lambda.. where as return from a Proc returns from whatever method called the proc.

17:32 <geekbri> JonnieCache: returning from the lambada will always be ok... returning from the proc may or may not cause a localjumperror (and you shouldn't do it!)

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17:33 <robacarp> JonnieCache: you mean to tell me all this is just an academic discussion?! well, okay

17:34 <JonnieCache> lol

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17:37 <sarkis> JonnieCache: amazing nick lol

17:38 <regedarek> Hello guys! especialy girls

17:39 <geekbri> academic discussions are useful..... sometimes :)

17:39 <regedarek> anybody could give some advice about testing gems??

17:40 <robacarp> regedarek: your own gems or third party gems?

17:40 <regedarek> https://gist.github.com/1837420 <- this gem i would like to write tests

17:40 <regedarek> *to

17:41 <Deele> ged, just needed to remove same name of memo object and new hash, and it worked

17:41 <regedarek> but which part i should first test?? initializer ?

17:41 <regedarek> connection

17:42 <regedarek> robacarp: this is third-party gem

17:42 <JonnieCache> regedarek: knowing what to test is the hardest thing about testing

17:42 <robacarp> regedarek: I see. Well, you shouldn't be testing the gem internals, just that it does what you expect.

17:43 <robacarp> given that, it doesn't matter what you test first....just that you test

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17:44 <regedarek> hmm so in agent module i tried to test connection but i think my "test" dont do that :)

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17:45 <regedarek> this before block is right way to initialize @agent ??

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17:48 <alagabes1> hello, I've a question about each, lets say I've a lambda expression like {|e| p e }. How can I tell how many elements did't I already proceed?

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17:49 <alagabes1> s/did't/have/

17:49 <JonnieCache> there's each_with_index

17:49 <JonnieCache> which yields a counter along with the object

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17:50 <alagabes1> JonnieCache: thanks, that's what I've looked for

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17:53 <JonnieCache> each_pair is a good one too

17:53 <JonnieCache> oft overlooked

17:53 <robacarp> each_cons

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17:54 <JonnieCache> ooooh, lispy

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17:56 <robacarp> ;-)

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17:57 <alagabes1> how can I ignore specyfied elements in each?

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17:57 <alagabes1> Do I have to remove elements from array in before?

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17:58 <JonnieCache> filter the array with reject or select, then call each on the result

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17:59 <sogeking99> hey guys, what editor do you guys use?

17:59 <robacarp> alagabes1: you can also look for them and next

17:59 <robacarp> sogeking99: vim

18:00 <alagabes1> That's what I thought, sorry for lame questions but I've just started to learn, and i thought it exists some fancy, ruby-like way to do so :)

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18:00 <alagabes1> robacarp: I really need to keep my counter

18:00 <robacarp> alagabes1: yea, reject or keep is a better way regardless

18:01 <sogeking99> I am using gedit. I have it saved as a .rb but should 'gets' and 'print' have a coloured highlight? because only strings seem to

18:01 <geekbri> my solution: use vim ;)

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18:02 <sogeking99> yeah vim displays it the same. Do I need to download a plugin or something?

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18:07 <sogeking99> ?

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18:12 <robacarp> sogeking99: do you have syntax highlighting turned on?

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18:13 <sogeking99> robacarp, yeah. it's the same on geany. things like puts, print, reverse and upcase don't highlight at all, only strings do.

18:13 <sogeking99> Is this just the way ruby is?

18:13 <robacarp> oh, yea, because those aren't keywords they're method calls

18:13 <robacarp> class/def/end/if/then/else/super are keywords

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18:14 <robacarp> (as an example...)

18:14 <sogeking99> oh right

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18:59 <Ownatik> How can I get the root directory of a project, from within the code of a gem which is included in that project?

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19:08 <JonnieCache> File.expand_path(File.dirname(__FILE__), "..", "..") and so on

19:08 <JonnieCache> theres probably a less godawful way of doing it but i cant remember

19:08 <JonnieCache> the godawfulness of that code implies you shouldnt need to do it

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19:15 <quebre> hello

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19:16 <quebre> i have strange problem, i'm trying to install chiliproject - and im supposed to run "RAILS_ENV=production bundle exec rake db:migrate" command that gives me following error:

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19:16 <quebre> !!! The bundled mysql.rb driver has been removed from Rails 2.2. Please install the mysql gem and try again: gem install mysql.

19:16 <quebre> the problem is, that i already installed the mysql via "gem install mysql" 100 times

19:17 <quebre> and it still shows me that error

19:17 <quebre> what im doing wrong ?

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19:18 <epochwolf|vps> quebre: you're using bundler, installing gems to your system ruby won't help

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19:19 <epochwolf|vps> if you're*

19:19 <kindkid> I got an "invalid byte sequence in UTF-8" error in production, so I found some code online that should fix it (using iconv or String#encode)… My problem is that I don't know how to create an invalid byte sequence in the first place so that I can test the fix.

19:19 <kindkid> Anyone have a suggestion for how to do so in irb?

19:19 <quebre> epochwolf|vps: yes seems im using bundler "RAILS_ENV=production bundle exec rake db:migrate"

19:19 <quebre> so how do i add the mysql correctly ?

19:20 <epochwolf|vps> quebre: add it to the Gemfile

19:20 <quebre> in the "chiliproject" software ?

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19:20 <quebre> epochwolf|vps: sorry im complete ruby noob

19:20 <quebre> ;/

19:21 <epochwolf|vps> yeah

19:21 <quebre> i have this in Gemfile:

19:21 <quebre> platforms :mri_18, :mingw_18 do

19:21 <quebre> group :mysql do

19:21 <quebre> gem "mysql"

19:21 <quebre> # gem "ruby-mysql"

19:21 <quebre> end

19:21 <quebre> so where do i add this mysql in Gemfile ?

19:21 <quebre> i can pastebin you the whole Gemfile..

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19:23 <epochwolf|vps> group :mysql !?

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19:23 <quebre> http://pastebin.com/BA4rRdPj

19:23 <quebre> this is the Gemfile from 'chiliproject'

19:24 <epochwolf|vps> interesting

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19:26 <epochwolf|vps> quebre: I have no ideas.

19:27 <quebre> mhm

19:27 <quebre> np

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19:30 <havenn> Ownatik: Just being silly, but: system "cd `which <gem_name_here> | xargs dirname`; cd .."

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19:44 <nim_> is there any method to display a two dimentional array as a table?

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19:46 <Deele> I have a server, that responds on queries, but responses from server. is handled by one specific function, how to make it possible, to make another function, that returns specific server response to query

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19:52 <tommylom1ykins> hmm

19:52 <tommylom1ykins> Does ruby provide a class for manipulating directory paths?

19:53 <MarkDBlackwell> A weird thing is happening, which I don't remember before (and it works fine without `print'): ruby -e"print ([1,2].each do end)" is giving me, `syntax error, unexpected keyword_do_block, expecting ')' '. Should I reboot Windows?

19:53 <rippa> manipulating how?

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19:54 <MarkDBlackwell> tommylom1ykins, probably, check out `require "pathname"'.

19:54 <tommylom1ykins> rippa: Basically I want something that will gibe me "dir/subdir" from the string "dir" and "subdir", without doing "#{dir}/#{subdir}"

19:54 <rippa> File#join

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19:56 <tommylom1ykins> aha

19:56 <tommylom1ykins> thanks

19:57 <quebre> how do i remove a gem? for installing its 'gem install [gemname]'

19:58 <nlew> quebre: `gem uninstall [gemname]`, look at `gem help commands`

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20:01 <MarkDBlackwell> Two sets of parentheses makes it work! But why? print (([1,2].each do end))

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20:02 <MarkDBlackwell> It's the same all the way back to Ruby 1.8.6-p0, BTW.

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20:03 <MarkDBlackwell> Including 1.8.7-p357, 1.9.2-p290 and 1.9.3-p0.

20:03 <JonnieCache> MarkDBlackwell: you might want to try #ruby-lang which is the channel for the actual ruby interpreter

20:04 <MarkDBlackwell> JonnieCache, thanks! :)

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20:12 <moshef> how do I get 5 random elements from array? (ruby 1.8.7)

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20:13 <JonnieCache> moshef: a.shuffle[0..5]

20:13 <JonnieCache> but thats quite inefficient

20:13 <JonnieCache> oops 0..4

20:13 <moshef> exactly, because it goes on the entire array

20:13 <moshef> is there another option?

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20:14 <epochwolf|vps> new_a = []; 5.times{ new_a << a[rand(a.length)] }

20:14 <davidcelis> if dupes are ok, that is

20:14 <a1ph4g33k> moshef: do you have to guarantee uniqueness?

20:14 <moshef> yeah

20:15 <MarkDBlackwell> moshef, Array#sample.

20:15 <davidcelis> MarkDBlackwell: 1.8.7

20:15 <a1ph4g33k> moshef: Is the array guaranteed to have no duplicates?

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20:16 <moshef> MarkDBlackwell: awesome tnx

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20:17 <moshef> one more question, is there such a method called .rand on array?

20:17 <heftig> .sample

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20:19 <epochwolf|vps> moshef: in ruby 1.9.3, there is #sample

20:19 <heftig> .sample(x) chooses up to x random elements from the array, without repetition

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20:19 <moshef> tnx guys

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20:20 <MarkDBlackwell> moshef, check out the backports gem; it's just for this: https://github.com/marcandre/backports

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20:25 <MarkDBlackwell> JonnieCache, BTW, they helped me there, and the rule is good for here, too: Don't put spaces before parentheses, even after print (or p,puts,putc). :)

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20:39 <cdabba> anyone here give me advice for installing rvm? i foollowed the install instructions but its telling me type rvm is a hash (and it should be function)

20:40 <cdabba> rather, rvm is hashed

20:40 <a1ph4g33k> gem install rvm ; bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer)

20:41 <a1ph4g33k> ( followed by adding the appropriate line to your shell profile. )

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20:42 <cdabba> so the instructions say to add the line to .bash_profile, but looking at .bash_profile, that is the only entry. what else could the shell profile be named, or,might that benormal?

20:43 <a1ph4g33k> .profile some times

20:43 <a1ph4g33k> for me, I add to .zshenv since I use zsh instead of bash

20:44 <JonnieCache> .profile .bashrc

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20:44 <JonnieCache> on some linuxes there is /etc/profile.d which is nice

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20:44 <JonnieCache> it doesnt matter where you put it as long as it gets run on login

20:45 <JonnieCache> also theres /etc/profile

20:45 <a1ph4g33k> ... just be careful with /etc/profile.d ( or /etc/zsh/zshenv ) because those will get run by all users on the system using those shells, even if they haven't installed rvm.

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20:46 <a1ph4g33k> but, the code does check for rvm installation before doing anything.

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20:55 <regedarek> Hi, how can i test in console simple gem.My gem is here -> https://github.com/regedarek/soup-client When i run `irb lib/soup-client.rb` i get LoadError: no such file to load -- soup-client/version

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20:55 <regedarek> is possible to set this wihout rewriting gem ??

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20:58 <burgestrand> regedarek: irb -Ilib lib/soup-client.rb

20:58 <burgestrand> regedarek: irb -Ilib -rsoup-client.rb

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20:59 <regedarek> burgestrand: thx a lot :)

20:59 <burgestrand> regedarek: :)

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21:07 <alaska> Still fairly new to Ruby and attempting to adjust my CPANny workflow. When I 'gem install somegem' and I want to check out the rdoc for it, how do I do so. Often, the documentation is not indexed by the gem name.

21:09 <gift> try using strict

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21:09 <gift> :>

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21:14 <Phlogistique> Hi

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21:15 <Phlogistique> is there a non-ugly way to write class A; class <<self; attr_accessor :a; end; @a = "foo"; end?

21:15 <Phlogistique> (this feels a bit unnatural; not sur if doing it right)

21:15 <a1ph4g33k> Phlogistique: what are you trying to do?

21:16 <a1ph4g33k> just add an attribute?

21:16 <a1ph4g33k> class A ; attr_accessor :a ; @a = "foo" ; end

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21:17 <Phlogistique> I have a class that is a kind of translator between one format and another; I'd like to be able to globally set options to this translator

21:17 <Phlogistique> I would have thought that class A ; attr_accessor :a ; @a = "foo" ; end creates an accessor in the _instances_ of a

21:17 <Phlogistique> *_instances_ of A

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21:17 <a1ph4g33k> ah.

21:18 <ribo> anyone here use the amazon-ec2 gem?

21:18 <oooPaul> Phlogistique, you are correct.

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21:18 <oooPaul> The problem is that attr_accessor also saves those values on the instances.

21:19 <oooPaul> @a defined in the scope of the class itself is not the same as @a in the scope of an instance.

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21:20 <Phlogistique> yes; I want it in the class

21:20 <Phlogistique> basically, I want to be able to do A.a = "foo"

21:20 <oooPaul> Right.

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21:21 <Phlogistique> now that I think about it, maybe a less-ugly way to solve the same problem would be

21:21 <oooPaul> So, you could define an instance method that does self.class.instance_eval{@a} to get back the value.

21:21 <Phlogistique> to define the class as class A; @a = "foo"; end

21:21 <Phlogistique> and to tell users who want to change the option to do class A; @a = "bar"; end in their own code

21:22 <Phlogistique> oooPaul: why an instance method? I don't want to

21:22 <oooPaul> class A; @a = 42; def foo; self.class.instance_eval{@a}; end; end

21:22 <Phlogistique> get the value from an instance

21:23 <oooPaul> Why use a class, then? Not a module?

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21:23 <oooPaul> I guess I'm confused. I thought you wanted to have a global setting on the class that all of the instances of that class could reference?

21:24 <Phlogistique> because I also want instances of my class

21:24 <oooPaul> Okay, so set a class method to return @a.

21:24 <Phlogistique> oooPaul: yes

21:24 <Phlogistique> I know that

21:24 <Phlogistique> I was asking how to do that in a non-ugly way

21:24 <oooPaul> That is the non-ugly way. :)

21:24 <Phlogistique> OK :)

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21:25 <oooPaul> Oh, here.

21:25 <oooPaul> Google is your friend: http://www.ruby-forum/topic/72967

21:26 <oooPaul> I think that solves your problem. :)

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21:30 <a1ph4g33k> good stuff.

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21:31 <alaska> How do I use ri to pull up documentation on a standard library class? CSV, specifically. Google is unhelpful.

21:31 <iszak_> How can I memory profile ruby 1.9.x?

21:32 <a1ph4g33k> alaska: ri CSV

21:32 <Phlogistique> alaska: works on my system; it depends on your distribution

21:32 <Phlogistique> you may have to install a package such as ruby-doc

21:32 <alaska> Didn't work. Hrm. Must be rvm messing with things.

21:33 <csavola> alaska: rvm help docs

21:33 <alaska> I did an rvm docs generate

21:33 <oooPaul> Yeah, rvm seemed to mess the utility of ri up for me, too... Never bothered to work out the solution.

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21:38 <alaska> Ugh, what a pain in the ass: http://pastie.org/3390334

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21:39 <yoklov> Hm, apparently I don't have ri documentation for… anything useful.

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21:41 <a1ph4g33k> alaska: another option is to hit ruby-doc.org

21:41 <alaska> Sure. But this SHOULD work.

21:41 <a1ph4g33k> absolutely.

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21:41 <a1ph4g33k> was just trying to get you around the problem.

21:42 <alaska> Appreciated.

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21:43 <a1ph4g33k> so: http://ruby-doc.org/stdlib-1.9.3 would get you close to the docs for CSV

21:43 <a1ph4g33k> ( unless you wanted the docs from a different version )

21:44 <a1ph4g33k> http://ruby-doc.org/stdlib-1.9.3/libdoc/csv/rdoc/index.html to be completely specific

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21:45 <a1ph4g33k> or: http://rubydoc.info/stdlib/csv/frames if you want Yard formatted documentation.

21:48 <alaska> I think it might be a bug in RDoc for 1.9.3-preview1

21:49 <alaska> Am going to try it with rc1

21:49 <csavola> alaska: why are you still using a preview for 1.9.3?

21:49 <alaska> Didn't actually know which was the best to use.

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21:50 <csavola> alaska: p0 has been out for quite some time

21:50 <shadoi> the YARD stuff is for 1.9.2

21:50 <alaska> I did not know the significance of [-p0]

21:50 <a1ph4g33k> shadoi: thanks for the heads up ... hadn't noticed that.

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21:51 <csavola> alaska: the -p is the patch level of the ruby... think they consider 0 "experimental" if I remember correctly but it is better than a preview

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21:52 <shadoi> it simply means it's the first release.

21:52 <shadoi> aka 1.9.3.0

21:52 <alaska> Ahaa. Still getting a feel for its versioning system.

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21:52 <alaska> See, that would have been better

21:52 <adac> how do i get the first key of a hash?

21:53 <alaska> adac, there is no "first" key

21:53 <shadoi> adac: hashes aren't ordered.

21:53 <alaska> unless you want it sorted

21:53 <csavola> shadoi: they are ordered in 1.9.2+

21:53 <adac> alaska, i did sort it like that: @images_hash = @images_hash.sort{|a,b| b[1]<=>a[1]}

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21:54 <a1ph4g33k> hash.keys.first ( random key in <1.9.3, first inserted key in >=1.9.3 )

21:54 <shadoi> csavola: ah yeah I forgot they made it insertion ordered.

21:54 <shadoi> csavola: still, it's a bad thing to assume IMO, can get confusing.

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21:54 <adac> cool, thank you guys!

21:54 <oooPaul> Cool, 'rvm docs generate' fixed my ri problems. :)

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21:54 <csavola> shadoi: agreed. a default implementation should not order it imo

21:54 <alaska> hash.keys.sort[0] if you mean "first" alphabetically

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21:57 <adac> a1ph4g33k, that is what i get: undefined method `keys' for #<Array:0x00000002934048> ...how can that be... @images_hash supposed to be a hash

21:58 <a1ph4g33k> adac ... apparently not.

21:58 <a1ph4g33k> hence #<Array:......>

21:58 <adac> @images_hash = @images_hash.sort{|a,b| b[1]<=>a[1]}

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21:58 <adac> does tis might cause it to be an array?

21:59 <a1ph4g33k> sort is part of Enumerable so you have nothing that guarantees that you are working on a hash.

22:00 <adac> a1ph4g33k, this is how I declared it: @images_hash = {}

22:01 <csavola> adac: if you already called #sort the return is an array not a hash

22:01 <alaska> This is starting to get into pastie territory.

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22:02 <adac> csavola, yes it lokks like that? how can i sort a hash then and keep it a has?

22:02 <adac> hash

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22:02 <wroathe> I'm trying to remember this video I watched a long time ago with these students teaching children how computers and programming works

22:02 <wroathe> I think the students were Australian graduate students

22:02 <wroathe> if I remember correctly

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22:03 <alaska> Why do you need to "sort" the hash? Why not just sort the keys into an array in the order you need them and access the hash via those keys?

22:03 <wroathe> They cover stuff like binary search and encryption in a very high level way.

22:03 <csavola> adac: http://www.ruby-doc.org/core-1.9.3/Enumerable.html#method-i-sort http://www.ruby-doc.org/core-1.9.3/Hash.html#method-c-5B-5D

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22:03 <csavola> adac: alaska has a good train of thought there

22:04 <adac> alaska, yes that sounds like a really good idea

22:04 <adac> lets do that!

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22:06 <alaska> No problem. I do it all the time.

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22:09 <adac> alaska, how to do that only to write out the key in the array?

22:10 <adac> mean for the example I posted above

22:10 <alaska> well, I think the default sort is alphanumeric, so you don't need that block. Just do ordered_keys = hash.keys.sort

22:11 <alaska> Oh, wait

22:11 <alaska> hah. What ARE you sorting by?

22:11 <alaska> the value stored at "key"?

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22:12 <adac> alaska, actually value

22:12 <adac> :)

22:13 <alaska> hash.keys.sort{|a,b| hash[b] <=> hash[a]}

22:13 <regedarek> Hi, how to get status from this response ? -> https://gist.github.com/1839386 im writting test to log in user

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22:17 <adac> alaska, https://gist.github.com/1839418

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22:20 <alaska> adac: you need to use "image_hash" in the block

22:20 <alaska> not "hash"

22:21 <alaska> er, "images_hash"

22:21 <alaska> or whatever you've called it.

22:22 <alaska> You're basically saying "sort the keys of hash foo by comparing the values each key points to rather than the key itself"

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22:24 <adac> alaska, perfect! thank you a whole lot!

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22:37 <shadoi> regedarek: usually the library you're using for HTTP will include a "status" accessor method, or a way to get the raw headers.

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22:39 <shadoi> I see, you're using soup, and it's hiding it all from you.

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22:43 <regedarek> i have require "net/http"

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22:46 <startling> when you instantiate a class, the body of the class definition gets run with `self` pointing to the new instance, correct?

22:47 <startling> so it's sort of similar to python's `__init__` method?

22:47 <csavola> startling: the body of the class is run on load only

22:47 <csavola> startling: the #initialize method will be run though

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22:50 <startling> ah, I think I understand. so the methods are class methods, then?

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22:51 <csavola> startling: if the method definition starts with self (e.g def self.foo) it is a class method otherwise (given a few edge cases) it is an instance method

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22:52 <startling> weird. is `self` the class or the instance?

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22:53 <csavola> startling: Think of the body of the class as just code that is executed. So when the parser first loads the class and encounters a plain "def" it will be an instance method. If the parser encounters "def self." self is the class definition itself so it goes on the object that represents the class

22:54 <startling> ah, that makes perfect sense. thanks!

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23:06 <alaska> a1ph4g33k: looks like it was indeed a problem with preview1

23:06 <alaska> FYI

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23:06 <alaska> `ri CSV` works fine now.

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23:15 <startling> is there a way to print the representation of an object? I'm debugging so I'd rather have `[1, 2, 3]` than `1\n2\n3\n` and `"hello, world"` rather than just `hello world`.

23:16 <startling> ah, `print`. never mind.

23:18 <oooPaul> Also "inspect".

23:18 <oooPaul> puts [1, 2, 3].inspect

23:19 <any-key> p [1,2,3]

23:19 <any-key> ^^^^^^ same thing

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23:26 <startling> are strings mutable?

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23:29 <ged> startling: Also see the #inspect method.

23:30 <ged> Oh, oooPaul already said that.

23:30 <ged> Heh.

23:30 <ged> I blame my unscrolled window.

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