#ruby on 2011-12-26 — 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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00:03 <Kiten> #perl

00:03 <Kiten> sorry

00:03 <Kiten> / didn't work

00:03 <Kiten> yeah i missed the / in my script

00:03 <Kiten> sorry :(

00:04 <any-key> PERL????

00:04 <Kiten> sorry

00:05 <Kiten> yeah i'm multi language

00:05 <Kiten> Ruby, perl, lua, C, C++, some assembly

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00:06 <robert_> ewwww perl

00:06 <robert_> so, can I spawn() with a string as my file descriptor?

00:06 <robert_> or must it be an fd?

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00:08 <Kiten> robert_, hey i don't discriminate ... unless its java

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00:09 <robert_> Kiten: I see. I've just seen some bad perl and bad perl coders in my day, lol.

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00:09 <any-key> Kiten: hehe me too, it's just easy/fun to give perl shit ;)

00:09 <any-key> Ruby has more in common with Perl than I'm willing to admit D:

00:10 <robert_> well at least ruby is MUCH cleaner

00:10 <Kiten> ruby is cleaner

00:10 <Kiten> ;p

00:10 <robert_> :p

00:10 <any-key> I can write ruby without having to shower afterwards

00:11 <robert_> heh

00:11 <robert_> ANYWAY

00:11 <Kiten> robert_, yeah i'll admit i've seen some pretty bad perl

00:12 <robert_> so, can I do something like, 'spawn(cmd, :out => string_here, :err => other_string, :in => "/dev/null")'... or something?

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00:14 <Hanmac> robert_: ehm is the :In needed? and if yes i would prefer File::Null if your ruby support this

00:15 <Hanmac> dam i mean File::NULL

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01:03 <Jonah11_> after I do "load './file.rb' in irb, the file runs fine, but the variables defined in it are not accessible. Is there a way to load a file in irb *as if* I had manually typed it?

01:05 <shevy> Jonah11_ local variables?

01:05 <shevy> works with @ and $ variables

01:05 <Jonah11_> shevy, yes

01:06 <Jonah11_> shevy, i'll paste the file

01:06 <shevy> seems ruby does not like you to do that Jonah11_

01:07 <Jonah11_> shevy, ok, so there is no way to do it?

01:07 <shevy> hmm perhaps with eval

01:08 <Jonah11_> shevy, ok thx

01:08 <shevy> ah but to continue, let me simply be provocative and state that there is no way to do that with local variables defined in other files

01:08 <shevy> ^^^ if it is incorrect, I am sure someone else here will prove

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01:25 <mksm> Jonah11_: why load and not require?

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01:26 <Jonah11_> mksm, require doesnt allow that either

01:26 <Jonah11_> i tried both

01:27 <shevy> yeah

01:27 <shevy> perhaps it has to do with very large projects and stray local variables messing up stuff?

01:34 <mksm> maybe pry will let you

01:34 <samuelkadolph> locals are local only to their scope. class A; foo = 2; end

01:35 <samuelkadolph> foo is only available inside the class scope

01:35 <samuelkadolph> Even if you reopened A, it's not the same scope

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01:59 <banisterfiend> Jonah11_: TOPLEVEL_BINDING.eval File.read(file), 1

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02:34 <Jonah11_> banisterfiend, thx

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02:37 <v0n> hey,

02:37 <v0n> I need help for a regular expression

02:38 <v0n> I want to match "TODO" but not TODOLIST or TODO_LIST or TODOwhatever...

02:39 <v0n> "//TODOLIST blah blah".match(/(TODO)/) matches TODOLIST. any suggestion to force TODO to be a plain word?

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02:42 <banisterfiend> v0n: /TODO\b/

02:43 <v0n> banisterfiend, what "word boundary character" means?

02:44 <banisterfiend> v0n: do you know what 'boundary' means? :) and what 'word' means? :)

02:45 <v0n> banisterfiend, I wasn't sure for "boundary" :)

02:45 <v0n> I guess it's the equivalent of \0 or something

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02:57 <Jarred> Hi all. I'm getting an undefined method for '+@' for 'led.local':string on line 16. However, that method doesn't at all look like it's being called. Which other than simply making me confused, prevents this script fromw working. Do any of you have any ideas as to what the cause is and how I can fix it?

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02:57 <Jarred> https://gist.github.com/2b7fe76e6896e12bf543 is the relevant code

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03:02 <mksm> so, the libarchive gem everyone's using is https://github.com/Hanmac/libarchive-ruby ?

03:04 <mksm> Jarred, i++ is not correct

03:04 <mksm> i += 1

03:04 <Jarred> oh

03:04 <Jarred> Why can't I do i++?

03:05 <mksm> cuz ruby says so

03:05 <Jarred> pff

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03:08 <burgestrand> Jarred: numbers are immutable

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03:50 <any-key> don't mute numbers yo

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04:51 <kervin> Is it okay to call in a initialize method sth like super{action}, if the subclass has a initialize method with arg &block ? Because I'm getting that block is undefined

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05:34 <jonathan___> Hi all, I'm doing my first "Hello world" ruby gem and I'd need an answer. I'm following this tutorial http://guides.rubygems.org/make-your-own-gem/ and I don't understand why I need to write the require line at the end of the lib/hola.rb

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05:35 <jonathan___> https://gist.github.com/1520577

05:35 <jonathan___> for the hola.rb

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05:36 <jonathan___> If I move the line at the beginning of the file and then I build and install my gem and at the end I do a test in irb I got an error

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07:20 <freelanceful> hey guys.. I have a portion of the site that is dynamic url. like /account/projects/33/discussion the number changes accordingly to the project id.. what I am trying to do is make my navigation link stay highlighted for any of those pages. not sure what to put in to make it work. right now it's 'account/projects/discussion' which obviously won't work.. either will 'account/projects/<%project.id%>/discussion'

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07:48 <maltray> Hello everyone, I was wondering, im right now fetching the body of a website, and i want to know what href every A element has, so, i tought about using regular expressions and i came to this: http://pastebin.com/Jv9XmpYT , wich is not bad but its not what im expecting, see i want to fetch ALL the href from ALL the A elements, not just from the first

07:48 <maltray> any helps on this would be appreciated

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07:56 <maltray> everybody is sleeping probably :<

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08:02 <Jonah11_> i am doing some practice problems to learn ruby, and wondering if anyone could offer comments to improve the following 13 line program: http://pastie.org/3073937

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08:04 <rippa> Jonah11_: palindromes.max

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08:05 <Jonah11_> rippa, good one. any way to improve the loop part itself?

08:06 <rippa> why #to_a

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08:07 <rippa> Jonah11_: (x..999).each do |y|

08:08 <Jonah11_> rippa, another good one

08:09 <Jonah11_> rippa, also no reason i should create the whole cross product, as i can track the max inside the two eachs

08:10 <rippa> yes

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08:14 <Jonah11_> rippa, revised: http://pastie.org/3073937. now is there any way to do it without the max variable outside the loop?

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08:18 <rippa> you haven't changed inner loop to (x..999)

08:19 <rippa> you can do without outer variable, but what for?

08:23 <Jonah11_> rippa, not sure, just trying to see whats available

08:23 <maltray> Guys, how can i check that an object got a method in an IF block?

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08:26 <maltray> Im trying to match some data using this: matches = /<a href=\'like\.php\?id\=(?<id>[0-9]+)\'/.match(line) and! if the match was not found, then matches.id will be not a function in matches, so i have first to check if it has the method then i know for sure that the match is correct

08:29 <rippa> Jonah11_: http://ideone.com/L8J8Q

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08:29 <rippa> maltray: Object#responds_to?

08:30 <rippa> err

08:30 <rippa> maltray: Object#respond_to?

08:30 <maltray> gonna check it

08:30 <maltray> i was trying with this:

08:30 <Jonah11_> rippa, cool ty

08:30 <maltray> if matches.instance_methods_include? 'id'

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08:31 <maltray> its not showing errors now, but! its not working neither :<

08:35 <zi> I'm passing blocks from one object to another object, that instance_eval's them. Would it be possible to still access instance variables from the first object from the block?

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08:44 <maltray> K, i had to check if the matches variable was not nil, lol

08:44 <maltray> sry for my newbish

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09:19 <maltray> Guys, is there a way to avoid getting Timeout Error?

09:20 <maltray> cause i made this script so i could go to bed and it would do things for me, but!, thing is that i was just testing it and i got a timeout error

09:20 <maltray> is there a way to catch the error like an exception?

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09:22 <TheMoonMaster> rescue

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09:22 <maltray> yes, im googling and i found something like that

09:23 <maltray> altough i ll have to change some of the stuff i did

09:23 <maltray> placing the codes on functions and stuff but oh well i dont have any problem with that :>

09:23 <TheMoonMaster> You can put rescue inside of a method.

09:23 <TheMoonMaster> So that if the method throws it, it rescues.

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09:26 <maltray> i think i have now an idea on how to implement this, will try

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09:28 <maltray> so far so good, lets see when a timeout shows up

09:30 <maltray> lol this is so good, now its not showing timeout errors, fine.

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09:56 <cloudgeek> weird problem rvm installed 1.9.2 ruby but when i use ruby -v in bash there is nothin help plz i paste here deatils of bash https://gist.github.com/1520826

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10:44 <banisterfiend> rippa: what's your opinino of what's going on in russia?

10:44 <banisterfiend> rippa: are people really sick of putin or is that just western media?

10:46 <rippa> banisterfiend: I don't care at all

10:46 <rippa> nor does anyone I know

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10:48 <banisterfiend> rippa: what's your opinino of what's going on in russia?

10:49 <banisterfiend> rippa: are people really sick of putin or is that just western media?

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11:09 <becom33> http://pastebin.com/9Xd4KNbn in here I made little command prompt kinda thing

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11:10 <becom33> but when I press the upper arrow key . its give me some weried key values expect what typed before

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11:11 <becom33> I know their is a readline module for this

11:11 <becom33> but just wanna know what we have in here

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11:32 * becom33 no one here

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11:38 <apeiros_> no 500 here

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12:05 <becom33> apeiros_: he he

12:05 <becom33> so u saw my question before ?

12:05 <apeiros_> no

12:05 <apeiros_> I joined 2min before you said "no one here"

12:06 <becom33> aww

12:06 <becom33> http://pastebin.com/9Xd4KNbn

12:06 <becom33> how I can I keep history in a simple prompt like this .I know their is somthing called readline

12:07 <becom33> but just out of curitasity in this ?

12:08 <apeiros_> becom33: I'm not sure I get the question right - yes, you'd use readline to get the history functionality

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12:08 <apeiros_> if it is only about how to keep the history - just add every line of userinput to an array…

12:08 <becom33> I see

12:08 <becom33> apeiros_: can I pm you somthing ?

12:08 <apeiros_> require 'readline'; and then instead of `gets` you use `Readline.readline('>> ')`

12:09 <apeiros_> becom33: preferably not, no

12:09 <becom33> I have a question which I cant explain in public

12:09 <becom33> aww

12:09 <apeiros_> and why can't you explain it in public?

12:09 <becom33> hmm oki , I'll leave and I'll get back to the base idea

12:10 <becom33> ok lets say Im using this prompt what I pateed before . using split function I can split words

12:10 <becom33> rit ?

12:10 <becom33> ok so I want right a modules which they takes as commands in the prompt

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12:11 <becom33> but I'm still thinking how can I do that

12:13 <becom33> for a example lets say I wrote a module ,which gives the command "name"when I do "> name becom33" it replies with your name is becom33 . but the thing Is I cant add modules like require into the script . but I can put the modules into a directory apeiros_

12:13 <becom33> I just need a idea . I know IRC only helps with scripting issue .. but come on help me out with a correct way

12:14 <apeiros_> I'm not sure I follow…

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12:14 <apeiros_> yes, you can use split to split input into an array of words

12:14 <apeiros_> you want to implement tab-completion?

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12:15 <apeiros_> I don't get "I can't add modules like require" - what's that supposed to mean?

12:15 <becom33> and I use the 1st split as the command . like "name becom33" name is command . and becom33 is just a parameter

12:15 <apeiros_> yeah, sure, you can do that

12:16 <becom33> butI have a module script which do the action for the command for ex: mod_name.rb

12:16 <apeiros_> if you want to imitate shell behaviour, require 'shellwords', then do: string.shellsplit

12:16 <becom33> but I can't require the mod_name into the base

12:16 <apeiros_> that'll keep quoted things together

12:16 <becom33> prompt.rb *

12:16 <becom33> apeiros_: no no thats not what I ment

12:17 <apeiros_> you mean you want to dynamically require files?

12:17 <apeiros_> require is just a method, taking a string as argument…

12:17 <apeiros_> so: `require "commands/#{command}"` will work

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12:18 <becom33> apeiros_: ok.. lets say the prompt.rb is som kinda core application you wrote. which takes commands and argivements and do stuff .. I came and write a module for what you wrote and adds the script into module dir . and the your core prompt identify the whateva the command I wrote in my module script

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12:19 <becom33> the module script I wrote is like plugin .I just adds it to a spesific dir and core gets the values inside the my module script

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12:20 <becom33> apeiros_: do u undertand what am I trying to say ?

12:20 <becom33> oh wait . do u know the metasploit framework ?

12:20 <becom33> it's written in ruby

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12:22 <rippa> becom33: Dir#entries

12:23 <becom33> rippa: did u got what am I trying to say ?

12:23 <rippa> becom33: you can get names of all files in a directory with this

12:23 <rippa> and then require them

12:24 <becom33> rippa: yes I tought of that too . lets say I did it like that . but how can I get the core undertand the command values .should I like put them into a list ?

12:25 <rippa> you can have a hash, for example

12:25 <rippa> with method names

12:25 <rippa> and call them with send

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12:26 <becom33> rippa: lemme lookup on that

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12:33 <apeiros_> becom33: I don't really get what you try to do. but you seem to want to perform things depending on user input. require (load a file), Module#const_get (get a constant/class/module from string) and Object#send (call a method by name) are your friends there

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12:43 <becom33> apeiros_: you know whats the worst thing . I live in Sri Lanka . and their are not even a single place to learn ruby scripting language

12:44 <apeiros_> becom33: I live in switzerland, and I don't think there's a place to learn ruby either…

12:44 <becom33> I leaned most of all going trought videos and reading tuts

12:44 <becom33> reely ?

12:46 <rippa> I think that's how it usually goes

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13:01 <shevy> becom33 the only real way to learn is to write scripts

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13:04 <rippa> also read a book

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13:12 <shevy> yeah

13:12 <shevy> write a book

13:13 <`brendan> morning a-holes

13:15 <shevy> `brendan cool way of self greeting

13:16 <`brendan> i do what i can

13:16 <`brendan> :)

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13:51 <jonathan___> Hi all

13:51 <jonathan___> Do you know how to set a fixed size array ?

13:52 <jonathan___> I tried "my_array = Array.new(16)", but I can still do a push

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13:55 <apeiros_> jonathan___: you have to write your own class

13:55 <jonathan___> I was thinking there was a better way ...

13:57 <shevy> hmm you can call .freeze on it

13:57 <shevy> once it reached your fixed size

13:57 <shevy> but that's ugly

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13:58 <shevy> ah

13:58 <apeiros_> that doesn't just fix the size, though

13:58 <shevy> and it also does not work for your example

13:58 <shevy> because you cant modify it anymore :(

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13:59 <shevy> is there a way to unfreeze an object again?

14:00 <apeiros_> not in core-ruby, no.

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14:24 <QaDeS> has anybody here run maglev on a sparc64 system yet?

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15:11 <Jay_Levitt> What's a good name for a library of helpers to idempotently set up server configs? It sets key/value pairs in shell scripts, copies files if they've changed, disables services, etc. I call it MiniChef but I'm sure that's ™ Opscode, and "Ensure" sounds like an adult undergarment. Maybe MakeItSo?

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15:32 <RLa> how one properly installs ruby on sqeeze?

15:32 <RLa> i want version 1.9

15:32 <burgestrand> I’d use RVM

15:32 <burgestrand> RLa: https://rvm.beginrescueend.com/

15:33 <RLa> don't i first need to install ruby to install it?

15:33 <rippa> how to make ruby installed with RVM system ruby?

15:33 <rippa> RLa: no

15:38 <deryl> you don't make it a system ruby. RVM does not control the system ruby because it is under control of the distribution's package manager. All RVm lets you do is switch back to it. You can set a 'default' ruby that is different than the system one (read the rvm docs on setting a default (http://rvm.beginrescueend.com) with --default.)

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15:38 <shevy> RLa real men take the source and compile it ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p0.tar.bz2

15:39 <deryl> do NOT just overwrite or install from source and expect it to work correctly (in relation to the distribution's) - you will need to uninstall the existing ruby or ensure that you install to /usr/local tree and then make SURE your /usr/local binary paths are first in your PATH to override the system's ruby if you don't remove it first.

15:40 <deryl> use either RVM or rbenv to manage your ruby installs with. just be *absolutely sure* to read their documentation in either case.

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15:41 <RLa> shevy, any idea which dependencies i need on debian

15:41 <deryl> don't try to half ass install and go with it.

15:41 <shevy> RLa debian is notorious for crippling packages

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15:41 <RLa> shevy, besides build-essential

15:42 <Hanmac> RLa: apt-get build-depends libruby1.9.1 ... i think

15:42 <shevy> hmm if you want to use Readline, openssl etc.. you will need the header files from those packages

15:43 <RLa> shevy, anything more concrete? i actually do not need to install it but make documentation for future uses

15:43 <shevy> RLa I really wouldn't know. B

15:43 <shevy> But try what Hanmac pasted?

15:44 <shevy> I am using ruby 1.8.x but I have ruby 1.9.x compiled and aliased to ruby1.9 so I can test scripts etc..

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15:47 <Hanmac> oh it is: apt-get build-dep libruby1.9.1

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15:54 <Jay_Levitt> rvm will nicely tell you what apt-get packages it needs to build which ruby

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15:55 <shevy> rvm will also cook your meal one day

15:57 <RLa> Hanmac, it still seems to contain some unnecessary stuff

15:57 <RLa> shevy, Hanmac, here is my current try: libreadline6-dev zlib1g-dev libssl-dev libyaml-dev libc6-dev libffi-dev

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15:58 <RLa> and configure does not seem to report lot of features missing

15:59 <shevy> sounds like fun trying to figure out how things were crippled

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15:59 <RLa> i'm not getting what there can be crippled

15:59 <shevy> good. then I suppose you don't have any problem here

16:00 <deryl> just be sure you --prefix=/usr/local when you configure and install

16:01 <deryl> i promise you bad things will happen if you install into /usr and ever have the ruby package grabbed and installed (lets say as a dep on some other package)

16:03 <RLa> this machine will probably run only single ruby app

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16:03 <RLa> but thanks for tip

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16:06 <RLa> hm, ruby has prettified make output

16:07 <shevy> you sure?

16:07 <shevy> normally I recall only cmake doing that

16:08 <shevy> GNU autoconfigure is very noisy

16:09 <RLa> configure yes, but make itself

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16:10 <RLa> it just shows 'compiling main.c' etc.

16:10 <RLa> not the full command line with all its arguments

16:11 <shevy> ah

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16:11 <shevy> I think I know what you mean

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16:16 <RLa> done, there it is, also, nice to see that rubygems is included in ruby

16:16 <shevy> yeah

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18:48 <Jonah11_> I am trying to understand Enumerators better. Consider http://pastie.org/3076080. Is the block defining the "each" method? Also, what is the function of the "yielder" variable in this code? Why not "yield number" instead of "yielder.yield number"

18:50 <shevy> never seen yielder.yield before Jonah11_

18:51 <shevy> reads very strangely too

18:51 <shevy> hitter.hit

18:51 <shevy> bouncer.bounce

18:51 <shevy> cleaner.clean

18:51 <Jonah11_> shevy, the sample is straight from the pickaxe book

18:51 <davidcelis> shevier.shevy

18:51 <shevy> yeah davidcelis

18:51 <shevy> odd Jonah11_

18:51 azbarcea___ [azbarcea___!~quassel@79.114.86.190] has joined #ruby

18:52 <shevy> next time I read through it again I'll find that part

18:52 tobym [tobym!~tobym@pool-96-244-84-13.bltmmd.fios.verizon.net] has joined #ruby

18:52 <Jonah11_> shevy, are you saying the choice of varname is odd or the whole sample?

18:52 <shevy> aaah

18:52 <shevy> so yielder is just a variable

18:52 <shevy> oh right

18:53 <shevy> Enumerator.new do |yielder|

18:53 <shevy> but yeah, I find it odd too

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19:03 <thios> anyone here manage ruby-lang.org? there's a broken link to the "Ruby C API Reference" on http://www.ruby-lang.org/en/documentation/

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19:17 <_2easy> hi all, i don't understand differece in this two pieces of code: https://gist.github.com/1521954

19:17 <_2easy> can anyone explain it to me?

19:19 <shevy> hmm perhaps because before it is assigned to t1

19:19 <shevy> it performs the .join and waits until it has finished

19:19 <shevy> and then assigns to t1

19:19 <shevy> whereas in the first example you assign first, but call .join at a later time

19:22 <_2easy> shevy: no: https://gist.github.com/1521964

19:23 <thios> join is a blocking operation. in the 2nd example you don't create the 2nd thread until after the join has returned on the first thread

19:23 clockwize [clockwize!~clockwize@5ac85c0d.bb.sky.com] has joined #ruby

19:24 <thios> http://www.ruby-doc.org/core-1.9.3/Thread.html#method-i-join

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19:25 <_2easy> thios: so, "t2.join" isn't executed until the t1 end it's execution, am I right?

19:26 <thios> _2easy: in this example (https://gist.github.com/1521964), nothing is executed on the main thread until t1.join returns. so your 2nd thread isn't created, nor is join called on it until t1.join returns

19:27 <thios> if you want both t1 and t2 to run at the same time, create them both before you do any joining

19:27 <_2easy> thios: understood, I was asking about creating threads and then calling join on each

19:27 dcarper_ [dcarper_!~dcarper@c-76-125-233-64.hsd1.pa.comcast.net] has joined #ruby

19:27 <_2easy> thios: ok, now i get it, thanks a lot

19:28 jergason [jergason!~jergason@dsl-173-248-241-41.acanac.net] has joined #ruby

19:28 <thios> _2easy: np

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19:40 ia9371 [ia9371!~ia9371@ip68-13-220-234.hr.hr.cox.net] has joined #ruby

19:40 <ia9371> hello

19:40 <ia9371> when i type rake test i get error

19:40 <ia9371> and can someone get me unbanned from #rubyonrails someone banned me for no reason

19:41 <davidcelis> people don't just get banned from rubyonrails for no reason

19:41 <ia9371> i did

19:41 <davidcelis> yeah... i doubt it, but take it up with the staff in #freenode

19:42 <ia9371> trust me i gen banned all the time

19:42 <ia9371> because i get drunk and say bunch of dumb junk

19:42 <ia9371> but on the particular ecation

19:42 <havenn> ^

19:42 <shevy> well

19:42 <ia9371> i didnt do nothing

19:42 <shevy> if that was a reason!!!

19:42 <samuelkadolph> Sounds like a good reason to get banned

19:42 <waxjar> is there a difference between calling `method` and `self.method` within a class/module ?

19:42 <shevy> but samuelkadolph is still here :(

19:42 <samuelkadolph> davidcelis: #freenode won't unban you from a channel

19:42 <havenn> didn't do nothing = did something

19:42 <samuelkadolph> shevy: Because I r smrter then u

19:43 <shevy> ia9371 make this here your new home

19:43 <ia9371> maybe i could sew

19:43 <ia9371> for wrongful banning on irc

19:43 <rippa> waxjar: yes if there's a local variable with the same name as method

19:43 <shevy> get a chair, have a drink

19:43 <ia9371> or maybe ill just spoof my ip

19:43 <davidcelis> lol, sure

19:43 <davidcelis> go sew a sweater

19:43 <havenn> ia9371: Well, you better switch to Sinatra, no choice now...

19:43 <shevy> lol

19:43 <waxjar> i see, thx rippa :)

19:44 <ia9371> ok well im using type in rake: test

19:44 <davidcelis> using what in what now?

19:44 <ia9371> ruby on rails

19:45 <ia9371> i type rake test

19:45 <ia9371> and it says.. errors

19:45 <shevy> and what happens

19:45 <ia9371> where i do i go look for errod

19:45 <ia9371> errord

19:45 <samuelkadolph> Delete the line that has `puts "errors"`

19:45 <davidcelis> lolol

19:45 <davidcelis> ^^

19:45 <shevy> doesn't it output anything?

19:45 <shevy> other than

19:45 <shevy> errord

19:45 <davidcelis> it probably tells him to run it with --trace, like every failed rake task does

19:45 <davidcelis> not sure why hes not doing that

19:46 <shevy> perhaps he is scared of --trace

19:46 <ia9371> im doing a scaffolding project

19:46 dagnachewa [dagnachewa!~dagnachew@modemcable142.238-179-173.mc.videotron.ca] has joined #ruby

19:46 <davidcelis> a scaffolding project...

19:46 <davidcelis> we don't take kindly to scaffolders here

19:46 <ia9371> than i do.... rake test and its suppose to say 0 tests.. 0 errors but i get.. 7 tests.. 7 errors

19:46 <shevy> what's that do

19:47 <shevy> yeah that sounds bad

19:47 <davidcelis> well it would appear you have seven tests

19:47 <davidcelis> and they're failing

19:47 <samuelkadolph> Scaffolding isn't bad

19:47 <davidcelis> so make them pass

19:47 <shevy> and 7 errors

19:47 <ia9371> there not failing... they just get errors

19:47 thios [thios!~nehresma@pa-67-234-91-135.dhcp.embarqhsd.net] has quit [#ruby]

19:47 <davidcelis> so make them not error

19:47 <shevy> unerror them

19:47 <ia9371> but its doesnt say wher the errors are coming from

19:47 <samuelkadolph> Yeah it does

19:47 <shevy> they are trying to hide from you

19:47 <davidcelis> sure it does

19:47 <havenn> ia9371: from the tests (that you are running)

19:48 <davidcelis> lol

19:48 <shevy> but you omit information ia9371

19:48 <ia9371> ok... where does it say where the errors are coming from?

19:48 <ia9371> i see a bunch of stuff that says ruby-1.9.2./gems/oiajsdojo

19:48 <samuelkadolph> On the line after it tells you there was an error and what the error was

19:48 <ia9371> its listing a bunch of source rails files

19:48 <davidcelis> dude, do you not even know

19:49 <davidcelis> how to read

19:49 <davidcelis> a stacktrace

19:49 <ia9371> not my project files or line numbes

19:49 <shevy> he works to the error character by character

19:49 <samuelkadolph> Sounds like this was the reason he was banned from #ror

19:49 <davidcelis> sounds like he should be banned from #ruby

19:49 <shevy> well ia9371 somewhat or something is breaking

19:49 <ia9371> im going to sew

19:49 <shevy> lol

19:49 <ia9371> im asking a logical question

19:49 <samuelkadolph> Nah, I'm betting he gets more hostile

19:49 <samuelkadolph> And that's why

19:50 <shevy> why do you want to sew

19:50 <davidcelis> you're going to sew what?

19:50 <davidcelis> a scarf?

19:50 <samuelkadolph> Can you sew me a scarf?

19:50 <shevy> I am going to hammer

19:50 <davidcelis> sweater?

19:50 <ia9371> from unreasonable banning on IRC.. causing loss of wages

19:50 <samuelkadolph> lol

19:50 <samuelkadolph> That's sue

19:50 <davidcelis> also, that's not a logical question. a logical question would be something like: Evaluate ¬ p -> q

19:51 <shevy> let's think this through clearly and logically

19:51 <ia9371> ok i see it

19:51 <shevy> ia9371 you have an error up there somewhere

19:51 <samuelkadolph> You can sue someone for censoring you on a private forum

19:51 <samuelkadolph> can't*

19:51 <ia9371> products.yml must be properly indented

19:51 <davidcelis> ......

19:51 <shevy> ^^^ this is live training

19:51 <davidcelis> omfg

19:51 <ia9371> my xode indent is all screwed up

19:51 <samuelkadolph> He learned to read!

19:51 <shevy> xode - what is that

19:52 <havenn> shevy: xCode

19:52 <samuelkadolph> Xcode is probably the worst IDE for ruby

19:52 <davidcelis> dude don't write your rails apps in XCode

19:52 <havenn> without the "C"

19:52 <shevy> what happened to the C

19:52 <shevy> oh man

19:52 <davidcelis> XCode is a terrible Ruby IDE

19:52 <shevy> hmm

19:52 <shevy> I am going to try it :)

19:52 <ia9371> i like xcode

19:52 <davidcelis> it's for obj-C

19:52 <ia9371> i just dont like the indent

19:52 <shevy> oh

19:52 <shevy> mac thing

19:52 <shevy> :(

19:52 <samuelkadolph> Xcode is okay for ObjC but it's garbage for anything else

19:53 <shevy> I feel excluded...

19:53 <samuelkadolph> Good

19:53 <samuelkadolph> You ruby 1.8 whore

19:53 <davidcelis> shevy: well, it's primarly for coding Mac OS or iOS apps

19:53 <shevy> samuelkadolph ah but I am not alone!

19:53 <samuelkadolph> You will be

19:53 <samuelkadolph> And then you will be forever alone!

19:53 <shevy> true, eventually

19:53 <ia9371> my other option is textwrangler

19:54 <samuelkadolph> Or TextMate

19:54 <shevy> yeah davidcelis ... but same thing with textmate ... "Sorry, Mac only."

19:54 <davidcelis> just use vim

19:54 <samuelkadolph> "just"

19:54 <ia9371> im going to change the tab setting in xcode

19:54 <samuelkadolph> Doesn't sound like something that would be easy for him

19:54 <havenn> davidcelis: You are just trying to pawn him off to #vim, ain't ya!

19:55 <davidcelis> anywhere but here

19:55 <any-key> hehe vim

19:55 <any-key> <3

19:56 <havenn> One true text editor. (™)

19:56 <any-key> no, that is ed

19:56 <any-key> ed is the one true editor

19:56 <samuelkadolph> http://xkcd.com/378/

19:56 Hanmac [Hanmac!~hanmac@p50845303.dip0.t-ipconnect.de] has joined #ruby

19:56 <samuelkadolph> Real programmers use butterflies

19:56 Kiten [Kiten!~kite@adsl-74-248-215-158.tys.bellsouth.net] has joined #ruby

19:56 <any-key> and ed

19:56 <any-key> real programmers use ed

19:57 nooodl [nooodl!5bb18f66@gateway/web/freenode/ip.91.177.143.102] has joined #ruby

19:57 <any-key> http://www.gnu.org/fun/jokes/ed.msg.html

19:57 <havenn> http://mrozekma.com/editor-learning-curve.png

19:57 <nooodl> hi, is there some kind of common "style manual" for ruby? for things like indentation, spacing around { and }, parentheses, etc.

19:58 <nooodl> my code looks a bit ugly and crammed together sometimes

19:58 workmad3 [workmad3!~workmad3@cpc1-bagu10-2-0-cust81.1-3.cable.virginmedia.com] has joined #ruby

19:58 <shevy> hmm

19:59 <shevy> I think chris2 has some style guide online somewhere

19:59 <davidcelis> havenn: lolol

19:59 <shevy> forgot where... nooodl just be consistent within your ruby files. also, I recommend to never use tabs, and settle on 2 spaces instead

19:59 <nooodl> yeah, i do that

19:59 <havenn> nooodl: Good short list: http://www.zenspider.com/Languages/Ruby/QuickRef.html#2

19:59 cyri_ [cyri_!~cyri_@jem75-1-87-88-118-80.dsl.sta.abo.bbox.fr] has joined #ruby

20:00 <nooodl> what i'm wondering about is "foo { code }" vs. "foo {code}"

20:00 <havenn> nooodl: Long list: https://raw.github.com/chneukirchen/styleguide/master/RUBY-STYLE

20:00 <shevy> ah that's good and concise

20:00 <any-key> hehe tabs vs spaces is a holy war, but the ruby community (like me) prefers 2 spaces

20:00 <havenn> nooodl: The former.

20:00 <nooodl> "don't rescue Exception. EVER." whoops :D

20:00 <shevy> hnn

20:00 <shevy> I mean hmm

20:01 <shevy> though I would hope for a bit more explanation

20:01 <havenn> Zenspider does a lot of stabbing.**

20:01 <havenn> nooodl: For stabbing, visit #ruby-lang

20:01 <nooodl> i've written "var = (value.to_i rescue something_else)" before

20:01 <shevy> "Use an empty line before the return value of a method (unless it only has one line)"

20:01 <shevy> hmm

20:02 <nooodl> "use parens to disambiguate, otherwise avoid them." but people generally write "def func(a, b, c)" instead of "def func a, b, c"

20:02 <shevy> nono

20:02 <shevy> that guide also states:

20:02 <shevy> "* Use def with parentheses when there are arguments."

20:03 <shevy> though I know many who don't use them

20:03 <nooodl> oh, i'm blind

20:03 <shevy> "* Never use then." <--- aaaah I need to tell that apeiros :D

20:03 Codif [Codif!~codif@84.120.204.160.dyn.user.ono.com] has joined #ruby

20:03 <nooodl> "Never use for". haha, yeah

20:04 <nooodl> way too often i'll think "ok, here i use a for l-- i mean, .each"

20:04 <shevy> "* Use SCREAMING_SNAKE_CASE for other constants." wtf ... is that really a naming convention? to call that screaming snake case?

20:04 <havenn> shevy: YES_INDEED_IT_IS!

20:04 <shevy> oh ok

20:05 <shevy> "Prefer map over collect, find over detect, find_all over select, size over length."

20:05 <shevy> hmm

20:05 <shevy> really .find_all over .select ?

20:06 <davidcelis> really

20:06 <davidcelis> huh

20:07 <davidcelis> why

20:07 <rippa> find_all looks crummy

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20:08 <havenn> and length can sometimes make more semantic sense than size, but I pretty much agree with map and find.

20:08 dcarper_ [dcarper_!~dcarper@c-76-125-233-64.hsd1.pa.comcast.net] has joined #ruby

20:09 <rippa> I even forgot about 'detect'

20:09 <davidcelis> I never knew about detect

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20:12 <shevy> davidcelis no idea why ... I wonder if his preference changed or is still the same

20:12 <shevy> the underscore in find_all annoys me

20:12 <shevy> :/

20:12 <ia9371> what are assertions?

20:13 <davidcelis> ah, you know what

20:13 <davidcelis> i was thinking select as in Rails AR querying

20:13 <shevy> ia9371 you assert that a condition is correct or incorrect

20:13 <davidcelis> but Array#find_all is more descriptive than Array#select

20:13 <davidcelis> ia9371: learn to test

20:13 <shevy> usually you use assertions in testing

20:14 soycamo [soycamo!~camo@198.202.31.180] has joined #ruby

20:14 <ia9371> ok its says 7 tests... 10 assertions 0 failures and 0 errores

20:14 <shevy> the world is in front of you now

20:16 <ia9371> are assertions good?

20:17 <nooodl> the "0 failures" part is the good part

20:17 <nooodl> it means everything you expect to be right is right

20:17 <soycamo> assertions are just the tests that you do, ie 'blah.should be_nil'

20:18 <nooodl> *should_be nil

20:18 <soycamo> thanks

20:18 <nooodl> (or am i nuts)

20:18 <nooodl> oh, yeah, it's that

20:18 <ia9371> so getting some assertions is good?

20:18 <any-key> it's assertive

20:18 <soycamo> yeah, it's just telling you how many shoulds it ran

20:18 symb0l [symb0l!~symb0l@cpe-24-27-107-175.tx.res.rr.com] has joined #ruby

20:18 <nooodl> might be a good idea sometimes. i should probably use them more :p

20:18 <any-key> sometimes you have to show your code that you're the boss

20:19 <soycamo> >:D

20:19 <nooodl> "* Use _ or names prefixed with _ for unused variables." names prefixed with _? ew

20:19 <ia9371> maybe i should be more assertive

20:19 <any-key> can't let it get any ideas, so be assertive :D

20:19 <nooodl> python nightmares

20:19 <ia9371> this isnt python

20:19 <soycamo> C++ uses _ variables, and I see it in Javascript

20:19 <ia9371> maybe i could analyze the code more

20:19 <soycamo> but the _ variables in C++ mean private variables

20:20 <ia9371> im out peace

20:20 <nooodl> see ya

20:20 <soycamo> bye!

20:20 <nooodl> well, python has ____ variables

20:20 <any-key> if you want real nightmares start diving into the awesome global variables ruby inherited from perl >.<

20:20 <nooodl> oh man, i have to confess, i use them for small scripts

20:21 <any-key> ಠ_ಠ

20:21 <soycamo> it's good!

20:21 <soycamo> well, scripting is sometimes meant to be thrown away...

20:21 <nooodl> like, say, a small programming language interpreter might use $stack

20:21 djacobs [djacobs!~acts_as_d@99-116-125-86.lightspeed.gnvlsc.sbcglobal.net] has joined #ruby

20:21 <any-key> yeahyeah

20:22 <Hanmac> the first thought i had before i develop an engine was: NO global variables

20:22 <nooodl> i'm pretty bad at oop pattern designing, so global variables tend to pop up sometimes

20:22 wyhaines [wyhaines!~wyhaines@65.39.118.15] has joined #ruby

20:22 <any-key> that's a good idea at least 97% of the tie :)

20:22 Imapickle [Imapickle!~IceChat9@host86-160-125-45.range86-160.btcentralplus.com] has joined #ruby

20:22 <nooodl> i know how classes *work*, i just can't use them properly

20:22 <Imapickle> Hello how do I create a StatusBar in WxRuby create_status_bar(2) don't compile

20:23 RomD [RomD!~Roman@nrbg-4d0760a8.pool.mediaWays.net] has joined #ruby

20:23 <shevy> hmm

20:23 <nooodl> might be because ruby is interpreted

20:23 <nooodl> (kidding, kidding. i'm here all week)

20:23 <any-key> boooo

20:23 <shevy> In a larger project... 60 .rb files I wrote... I use one global variable. I try to avoid any more

20:23 <Kiten> nooodl, dont quit your day job :P

20:23 <nooodl> 60?

20:23 <nooodl> what was it

20:23 <shevy> yeah about that...

20:24 <any-key> that's nuthin, you can exceed that easily on larger projects

20:24 <Hanmac> i use Classes instat of global variables ... so instat of $actors[i] i use Actor[i]

20:24 <nooodl> "* Write for 1.8, but avoid doing things you know that will break in 1.9." do people do this

20:24 <shevy> but like really, some are just "method turned into classes" whereas others are "ok I add everything to that class here now"

20:24 <nooodl> (i'm still slowly skimming through this)

20:24 <shevy> nooodl no idea but it sounds simple

20:24 <shevy> not so many things break really

20:24 <nooodl> Hanmac: i've seen people do that, and i don't get it

20:25 <samuelkadolph> "Fuck other people"

20:25 <soycamo> at work we write for 1.9 since we have proprietary code

20:25 <nooodl> how is it any different

20:25 <shevy> though if you use -> then of course that wont work on 1.8

20:25 <soycamo> but if you're writing say, gems, 1.8 code is good.

20:25 <samuelkadolph> where other people = shevy

20:25 <shevy> samuelkadolph nah, I like my 1.8 friends

20:25 <samuelkadolph> Who?

20:25 <shevy> they are even here

20:26 <shevy> now you made them shy :(

20:26 <samuelkadolph> Or they don't exist :P

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20:27 <nooodl> "* Avoid needless metaprogramming." i can't, it's too much fun

20:27 <shevy> nooodl yeah but remember when you look at a lot of metaprogramming written by others... and you try to figure out what's it doing

20:28 <shevy> *metaprogramming code written by others

20:28 <nooodl> haha, yeah

20:28 <samuelkadolph> "Fuck other people" * 2

20:28 <nooodl> i'd probably never do that stuff in serious code

20:28 <samuelkadolph> lol

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20:29 <nooodl> * Add "global" methods to Kernel (if you have to) and make them private. what

20:29 <nooodl> i've never needed a "global" method

20:29 <samuelkadolph> And most will never need them

20:29 <nooodl> is that for things like custom print/output functions

20:29 <Hanmac> i dont realy know if this counts as meta programming .. i make a little snipplet that call methods similar to that you want to call if your method begins with cs_*

20:30 <samuelkadolph> nooodl: puts is one example of a private method in Kernel

20:30 banisterfiend [banisterfiend!~baniseter@122.63.180.233] has joined #ruby

20:30 <soycamo> Hanmac: You could use method_missing

20:30 <soycamo> it's slow though, so don't expect great performance.

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20:30 <Hanmac> soycamo, its exactly what i do, i only ask if this is called "meta programming"

20:31 <nooodl> samuelkadolph: is the "private" part really important, for a Kernel method

20:31 <samuelkadolph> Yes

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20:31 <samuelkadolph> So you can't do Object.new.puts "hi"

20:31 <nooodl> Hanmac: whenever you're using method_missing for anything but handling errors for missing methods, it's probably metaprogramming

20:32 <shevy> Hanmac what is the cs_ part?

20:32 <nooodl> man, something i've never liked writing: attr_accessor :a, :b, :c, ...; def initialize(a, b, c, ...); @a = a; @b = b; @c = c; ...; end

20:33 <nooodl> especially when there are, say, 7 or 8 variables to set

20:33 <shevy> which part, the manual one?

20:33 <nooodl> shevy: how i repeat all those variable names 4 times

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20:34 <shevy> ah

20:34 <shevy> you even picked short names

20:34 <shevy> pick long names :D

20:34 <Hanmac> cs means "code snipplet" i think ... sample idea: you have a method abc, an you does not want to alias it, so you make abc call cs_abc ant this calls all methods that calles *_cs_abc, so if you want to add new stuff you only must add a new method, no alias anymore

20:34 <nooodl> yeah, that's where it gets terrible

20:35 <nooodl> i hear coffeescript lets you do "constructor: (@a, @b) -> other stuff", setting a and b for that object automatically

20:36 <shevy> hmmmm

20:36 <shevy> if javascript would just be coffeescript instead ...

20:36 <nooodl> yup :(

20:38 <jensn> Or just use coffeescript if you prefer it?

20:39 <shevy> hmm you can't use coffeescript in your browser or?

20:40 <jensn> shevy: Sure you can.

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20:42 <Hanmac> hm nooodl: wouldnt: def initialize(:a => a,:b=>b) be better and more organized?

20:43 <nooodl> as a ruby alternative to the coffeescript syntax?

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20:45 <Hanmac> yea or is that bad?

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20:45 <nooodl> it doesn't make much sense. i mean, why not just have the arguments and variable names be the same

20:45 <nooodl> can't think of any situation where i'd write "def initalize(a); @b = a; end"

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20:49 <Hanmac> hm but in my way you can make an interface (or something like that) that sets automaticly all values so .new(:a=>4) automatic sets @a=4

20:51 <nooodl> oh, true

20:52 <shevy> nooodl well if it's shorter to type

20:53 <shevy> def foobar=(i)

20:53 <shevy> @foobar = i

20:53 <shevy> hmm

20:53 <shevy> I think I use attr_reader the most

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20:56 <nooodl> http://codepad.org/XY9IwJFE hmm

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20:58 <bonhoffer> what is more recent, preview1 or p0 for 1.9.3

20:58 <heftig> p0

20:59 <bonhoffer> so -- i've preview1 installed -- know if i can get p0 with rvm

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21:00 <heftig> i don't know

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21:19 <asdf1234> hi

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21:23 <shevy> die!

21:23 <shevy> i mean

21:24 <shevy> oh he is gone

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23:08 * tommylommykins wants to make on ruby script talk to another ruby script on windows

23:08 <tommylommykins> What's the best way of going about this?

23:11 <shevy> talk?

23:12 <shevy> a very simple way is to require that file into your script

23:12 <shevy> and then make use of it

23:12 <tommylommykins> IPC

23:13 <tommylommykins> the shared data isn't suitable for a file

23:13 <tommylommykins> it'd be a bit awkward to write data to a file that says "do this"

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23:26 <shevy> hmmm

23:27 <tommylommykins> hmm

23:27 * tommylommykins appears to be having some success with drb

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