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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<Hanmac>
i think it should be methed in the topic that rails have own channel
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<seanstickle>
Yeah, like we need a longer topic.
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<ElderFain>
i sometimes ask rails questions in here when rails is less active =)
<tayy>
hi everyone! how do i check if the HTTP header includes a refresh URL? (using rest_client)
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<tayy>
i tried .include? but it doesn't work
<tayy>
(or i might hv just done it wrongly!) :)
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<scientes>
why does ruby -e 'p "
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<startling>
scientes: I'm not sure (ruby isn't my main language) but you probably need to declare the encoding in the file
<scientes>
ahh, does anyone else run into problem copying code from sites where the blog software automatically uses utf curly quotes instead of straight ones?
<scientes>
it gets soooo annoying
<scientes>
so ruby 1.9 is limited to ASCII unless defined otherwise?
<scientes>
*unless encoding is defined?
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<davidcelis>
scientes: # encoding: utf-8
<davidcelis>
at the top of your file
<scientes>
# -*- coding: UTF-8 -*-
<davidcelis>
ew
<scientes>
what does that also support?
<scientes>
as ive seen that before
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<startling>
scientes: emacs
<startling>
scientes: vim can do it too, I think. python uses it too
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<startling>
is there an easy way to make an attribute public? I'm sorta tired of `def myattribute\n @myattribute\n end`
<banister_>
startling: use attr_accessor
<seanstickle>
uh… attr_reader
<ElderFain>
I'm confusing myself with classes.. say I declare a class, then my_class = MyClass.new; then I call an instance method like my_class.function and I want that function to return a class instance… so i can chain another class instance method off it..
<banister_>
startling: class Hello; attr_accessor :my_attribute; end
<ElderFain>
wouldn't i be doubling up my memory?
<ElderFain>
could i just return something like "this" or "self" to force it into a class but still be 'the same thing, but with new data populated?'
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<banister_>
ElderFain: dup
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<startling>
banister_: perfect, thanks
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<banister_>
startling: read a book on ruby ;)
<ElderFain>
or let me backup. I want to be able to have a method that formats data, that can either be called off an instance of the class, like my_class.format_data(my_data) or I could say my_class.get_data.format_data
<startling>
any suggestions for one that doesn't hold your hand? I'm new to ruby but not programming.
<banister_>
startling: yes, 'the ruby programming language'
<banister_>
startling: or, 'eloquent ruby'
<startling>
banister_: thanks. I'll check those out.
<banister_>
'ruby programming language' is kind of a language reference, whereas 'eloquent ruby' teaches you to program idiomatic ruby
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<ElderFain>
how can I structure the get_data method, and the format_data class instance methods in such a way that I can chain one into the other, or call them individually and pass in what i want formatted?
<dark3rdre4ms>
Another reason why I dislike Fedora
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<sontek>
is 1.8 pretty old?
<seanstickle>
It's like using the 2.4 kernel
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<sontek>
F16 came out in November
<sontek>
So 1.9 came out in 01 or so? (like a 2.4 kernel)
<seanstickle>
It's a loose analogy
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<sontek>
when did 1.9 come out?
<seanstickle>
It's considered old, yes.
<heftig>
sontek: 2007
<seanstickle>
sontek: Dec 2007
<sontek>
hah, thats weird then
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<td123>
seanstickle: the thing is, fedora is more oriented towards enterprise, because rhel is actually spinned off from fedora :P
<sontek>
Yeah but they usually aren't that far behind
<seanstickle>
I find nothing redeeming about any of the RH-related distros
<sontek>
they ship python 2.7 which is the latest stable branch of Python
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<td123>
sontek: python 3.2 is latest stable :P
<sontek>
and if it came out in '07 there is no reason to have
<sontek>
td123: I should have put a *usable* in there
<td123>
it is usable by some groups of devs also
<sontek>
td123: A lot of important libraries have not been ported to 3 yet
<td123>
major exception being web devs
<sontek>
td123: web devs and scientists
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<td123>
sontek: which libs are you talking about?
<seanstickle>
They're all moving to Perl 6 anyways
<td123>
sontek: scipy has been ported to py3 for a while
<sontek>
I'm not saying python3 is bad, I love it, just saying it makes you take a step back if you are used to things like SciPy, NumPy, boto, twisted,, etc
<td123>
those all have py3 versions :P
<td123>
never heard of boto though
<sontek>
shenanigans!
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<sontek>
boto is amazon integration library... s3, aws, turk, etc
<sontek>
so, to fix my ruby problem... find a 1.9 rpm? :P
<td123>
friend still has to work w/ 2.4 sometimes because of that :(
<sontek>
td123: I'm both a web dev and desktop dev and 3 is far from good for me, I can't find an announcement about numpy, scipy, or twisted supporting python3
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<sontek>
and pyqt/pyside don't support it
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<sontek>
i'm sure there is a subset of devs who have very small needs that it works for but I rely on a lot of libraries
<sontek>
I guess I need to learn to write more myself :P
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<td123>
sontek: right, I said web devs still have an excuse not to use py3 :P
<sontek>
and I started playing with kivy for desktop and it doesn't either
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<td123>
pyside at least has a roadmap for py3 support last time I checked, I dunno what the current state is :/
<sontek>
td123: everyone has a py3 roadmap, which is good
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<sontek>
its just not there yet
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<sontek>
but as soon as there is good support I'm jumping to it
<td123>
sontek: if you need proof of py3 for twisted and scipy/numpy, check arch repos :P I'm sorry I can't find easily reachable content for that :P
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<td123>
sontek: pyqt also has py3 bindings
<td123>
pygtk doesn't from the looks of it though
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<sontek>
Ruby 1.9.3 will be in Fedora 17 :)
<td123>
sontek: ya :)
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<sontek>
Is there a way to figure out what extconf is looking for?
<banisterfiend>
sontek: if not you may need to install your system's ruby-deb package
<banisterfiend>
ruby-dev
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<sontek>
I have ruby-dev installed and have a ruby.h file
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<sontek>
its just not finding it
<sontek>
so I need to find out why
<swills>
anyone here experienced with running rubyspec tests to test ruby?
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<swills>
i'm running it and getting some failures, not sure why
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<td123>
sontek: oh, I think I read today on some oss news site that fedora 17 isn't going to use btrfs by default
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<td123>
I was looking forward to a distro using btrfs, but the stupid fsck is missing
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<sontek>
Fedora is a little slower moving than other distros but still keeps fairly up to date
<sontek>
in ruby, what does has_header() do? Thats whats failing on this extconf.rb file
<sontek>
does has_header and missing
<sontek>
is there a better way with 1.8?
<sontek>
1.8.7
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<sontek>
I need to build an app in ruby at some point just so I have a better understanding of it
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<td123>
sontek: most ruby packages use gem now, it's super simple :)
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<swills>
ok, neverminndhe chroot in the mspec tests are bogus
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<a|i>
def foo; return 1,2; end;
<a|i>
is there a way to get a = foo as a = 1?
<swills>
anyone running 1.9.3p125 and rue mspec tests?
<swills>
err run, not rue
<RubyPanther>
a|i: Ruby doesn't have a list context like Perl, you can't get both behaviors... you need something like a = foo.first
<a|i>
RubyPanther: I just want to return 1 as default, and return more when using a.b= foo
<a|i>
a,b = foo *
<a|i>
guess have to implement an option :/
<RubyPanther>
a|i: no need for golf though, a,b = *foo ; b ||= default
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<a|i>
RubyPanther: nope. foo already returns 1 value which is the default behaviour. I want to keep the existing code a = foo happy, and add the second value when calling a,b = foo
<RubyPanther>
a|i: you should add a foo_with_bar method that calls foo
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<iamafilthynigge>
hi
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<kwoodson|2>
I am parsing a file and converting a string into a symbol. I want to call that symbol which is a method on a class. Is that possible with send?
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<hkhalid>
hi
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<dandean>
Potentially totally stupid question for y'all. I'm coming from C#/ASP.Net, where I can do HttpContext.Current.Cache["key"] = someObject. Is the same sort of thing possible in ruby within Sinatra?
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<dandean>
Potentially totally stupid question for y'all. I'm coming from C#/ASP.Net, where I can do HttpContext.Current.Cache["key"] = someObject. Is the same sort of thing possible in ruby within Sinatra?
<dandean>
Whoops - sorry for the double post...
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<nmoljm9e>
ogkod
<nmoljm9e>
kfo
<nmoljm9e>
df
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<startling>
how do I iterate backwards through an array?
<spligak>
I am attempting to remove duplicate chars from a string, and this seems to work well: http://pastie.org/3406743 -- but now what I'd like to do is as dupes are removed, append that interim result to an array. Having trouble making sure I'm writing polite Ruby while solving my problem :) Thoughts?
<spligak>
I guess I'd also like to know if I'm writing respectable ruby, too. Any pointers there would be great.
<davidcelis>
Why this channel. Why.
<davidcelis>
What do you mean interim result?
<davidcelis>
can you be a bit more explicit/descriptive about what you want to do?
<spligak>
Sure.
<spligak>
Say we provide "ddderp" initially -- a single reduction would result in "dderp", which I'd like to save into an array, then continue and reduce further to "derp" and store that as well.
<looopy>
davidcelis: i did! and the muslims didn't drive cabs in that area that day..
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<spligak>
So I've corrected the index I'm checking -- going to attempt to save off that result without resulting in an ungodly mess of a method here. Sec.
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<davidcelis>
spligak: the index worked with what you were doing so far, but isn't good for saving those interim results, basically
<spligak>
Right. I jive with that -- so thinking through this interim issue. I only care of something has been excluded, so I actually want to test for sameness in 2 consecutive chars and attempt to reconstruct the entire string (sans one of those chars) and append that to an array somewhere.
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<davidcelis>
right
<spligak>
I feel like I want to slice the string in place or something, and store a copy of it.
<spligak>
Seems like that'd change the rest of what I was doing, with the whole each_index bit.
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<davidcelis>
so if string[i] == string[i+1], interim_results << string[(i+1)..(i-1)]
<davidcelis>
string.slice(i) would give you a substring of one character
<spligak>
Right, sorry. Does it modify str in-place though?
<spligak>
So str would be what we'd want at that point?
<davidcelis>
well
<davidcelis>
you'd want str[i+1] to the end of str
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<spligak>
In an each_char block (or an enumerator returned) - is there a way to reference the index of whatever you're stepping over in the block you provide? Some special local var, maybe?
<Mon_Ouie>
each_with_index
<Hanmac1>
spilgak whats your ruby version?
<Mon_Ouie>
or just with_index (which is the same method)
<Hanmac>
then i think my line should fit your request
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<shevy>
sex with ruby
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<spligak>
I don't like how this looks at all, but it does work sorta like I want: http://pastie.org/3406743 -- thoughts?
<spligak>
Feels like there should be a more elegant way to do this?
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<spligak>
oh. you don't have to recurse here, I guess. you can just reset i=0 if you find a dupe and it'll start over.
<spligak>
that seems a little wonky, but the result is legit
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<spligak>
updated the pastie
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<Hanmac>
hm .. spligak i have an idea for you .... "abbc".each_char.each_cons(2).with_index{|(a,b),i| p i if(a==b)} maybe you found it funny
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<spligak>
whoa.
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<spligak>
so, by each char - we're looking for 2 consecutive chars, looping over each with an index and... *head explodes* - let me fiddle with that last bit :)
<spligak>
oh I see.
<spligak>
hm.
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<spligak>
okay. so this can spew the first index of a duplicate pair, correct?
<spligak>
that's how I'm reading it
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<Hanmac>
spligak: i build an one-liner for you: "abbc".each_char.each_cons(2).with_index.with_object("abbc").map{|((a,b),i),o| (a==b) ? (o=o.clone;o[i]='';o) : nil }.compact
<Hanmac>
hm but i tink this is better: "abbcdde".each_char.each_cons(2).with_index.with_object("abbcdde").map{|((a,b),i),o| (a==b) ? (o[i]='';o.clone) : nil }.compact
<spligak>
both are really intense :)
<spligak>
looking at those too
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<Squee-D>
bit lazy web of me, but can anyone tell me how test::unit manages to define the construct: test "blah" do...end ?
<Squee-D>
if i define a function that takes a param and block, i need to have a comma: test "blah", do..end
<Hanmac>
spligak does the second line do what you want?
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<spligak>
Hanmac: I believe some variation of it will work really well -- I just can't see myself using something so dense in application code, ya know? I really, really appreciate the insight though. You all gave me some great ideas on how to handle it.
<spligak>
Ruby one-liners are fascinating, truly.
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<seanstickle>
They have their place.
<seanstickle>
Not quite as delightful as APL one liners
<seanstickle>
But still
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<burgestrand>
Squee-D: no you don’t
<Squee-D>
am i misremembering?
<burgestrand>
Yup
<Squee-D>
middle of the night and on anxiety meds so I can easily believe that :D
<burgestrand>
In fact, you can’t have a comma like that it’ll syntax error on you
<Squee-D>
oh i see
<Squee-D>
i remember fine, im wrong about my own blocks
<burgestrand>
You might misinterpret it for the block syntax using {}, where you’ll need parentheses
<Squee-D>
and you are right
<burgestrand>
test("hello") { puts "Hey" }
<Squee-D>
and thats what happened when trying the ideas in IRB
<Squee-D>
thanks
<burgestrand>
:o
<Squee-D>
you nailed it, it was using the braces for the block while testing, i wasn't comparing apples to apples
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<shevy>
HE NAILED IT
<dark3rdre4ms>
shevy: HOW?
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<shevy>
by using his brain powah man
<dark3rdre4ms>
good idea
<shevy>
a block inside a block inside a block inside a block
<shevy>
walking on a moebius strip!
<shevy>
who needs haskell monads? ruby's blocks are a lot more fun
<dark3rdre4ms>
^^
<dark3rdre4ms>
I've put blocks inside of blocks inside of blocks
<dark3rdre4ms>
etc
<shevy>
yay man!
<Hanmac>
or combineing enumerators like a daisychain :P
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<shevy>
hmm
<shevy>
Enumerators walking inside blocks inside blocks of blocks around the moebius strip
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<shevy>
what is better ... foo.nil? or foo == nil
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<sevenseacat>
i would use .nil?
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<Hanmac>
.nil? should be faster
<shevy>
yeah I prefer that too, I just came across old code of mine where I suddenly use "foo == nil" and it confused me
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<Rounin>
Hello there! I'm wondering about the inability to add methods dynamically to Fixnum and certain other types... If I try class << 1 I get an error about singleton methods, right... But if I write class Fixnum explicitly, it works just fine
<Rounin>
So technically, shouldn't it be trivial to add methods to those types as well? Just by trapping that singleton-whatever-error and detecting the type
<Hanmac>
you can add methods to all fixnums but not to one alone#
<Rounin>
Right... But I don't want that to begin with... That's Ruby saying that
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<Rounin>
Ah! So the << object thing is just for adding class methods to a single object, Hanmac?
<Rounin>
How about if I want to add a method to all objects of a certain class, but dont know or care about what type the object is
<Hanmac>
yes, you can do it to all objects, except Fixnum and symbol
<minh>
Hi there! Should one use '@foo' or just 'foo' when refering to instance-variables (_within_ their respective class)?
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<Rounin>
So what if I want to add a method to all objects of the same class as an object, Hanmac? I know "class something.class" gives a syntax error
<Rounin>
Maybe just class object, haha... Why limit oneself
<minh>
Obviously my question in concerned with the _common idiom_ since '@foo' and 'foo' both will work from a technical perspective, right?
<Hanmac>
do something.class.class_eval { }
<Rounin>
Well, Object, anyway
<Rounin>
Ah... Well, thanks a lot, Hanmac!
<Hanmac>
minh, @foo is an instance_variable, and foo is an local variable
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<minh>
Hanmac: Alright..but if there is no local variable named 'foo', then saying 'foo' will refer to the instance-variable '@foo', right? Personally, I feel more comfortable using '@foo' in every case (to make it explicit). As I'm very new to Ruby, I just wanted to know whether that is somewhat 'un-idiomatic' or not.
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<Hanmac>
no, if local variable is not found, then it looks after a method named foo
<Hanmac>
with is something an accessor for @foo if attr_accessor or attr_reader is used
<dark3rdre4ms>
^^
<minh>
Hanmac: right, but my question was whether it is 'idiomatic' to use '@foo', no matter what (make it explicit). I've came across numerous books which omit the @ from time to time...Which way should I go? (again: I really more comfortable using the explicit @ even in cases where it _could_ be ommited)
<Hanmac>
i would use @foo, it is more clean
<minh>
Hanmac: alright, perfect! Thank you so much!!
<minh>
Hanmac: well..one last question: If you have a file, which contains a certain ruby class 'Person' you would generally name that file 'person.rb', right? Is there a convention how to name a file that does contain the _module_ 'Person'? (I mean, is there a convention how to tell from the filename whether it's a class or a module?)
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<Hanmac>
normaly no, sometimes i does not follow conventions
<minh>
Hanmac: alright, so it's not uncommon that a file called 'person.rb' would either contain the _class_ 'Person' or the _module_ 'Person'
<minh>
Hanmac: ?
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<Hanmac>
i prefer 'person.rb'
<minh>
Hanmac: well...I just realized that my question was rather stupid, as modules generally are being defined in terms of _multiple_ files (due to the openness of modules), right?
<Hanmac>
yeah i also use modules for namespacing
<minh>
Hanmac: right now, I'm taking a quick look at the json-gem...
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<dark3rdre4ms>
I've been playing with ruby-dbus
<dark3rdre4ms>
I never realized the power of dbus until now
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<shevy>
dark3rdre4ms what power
<shevy>
obscure syntax? no docu?
<dark3rdre4ms>
there is a tiny bit of docs
<dark3rdre4ms>
shevy: just enough
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<shevy>
;(
<dark3rdre4ms>
i love dbus though
<dark3rdre4ms>
:|
<shevy>
you could upload a bit code so that others can test the power of ruby-dbus?
<dark3rdre4ms>
I never said ruby-dbus
<dark3rdre4ms>
I said dbus in general
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<shevy>
lots of power
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<Hanmac>
what is the benefit when using dbus?
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<glosoli>
Hey guys, what are packages used for ruby to make graphical interface ?
<oddmunds>
shoes is one
<glosoli>
oddmunds: Is there any designer for linux ?
<oddmunds>
like a gui for making guis?
<glosoli>
oddmunds: Yeah, like WYSIWYG For Shoes
<shevy>
glosoli ruby-gtk
<oddmunds>
i'm not sure, i don't know shoes
<glosoli>
shevy: Ruby-gtk aint having designer too or does it ?
<arturaz>
glae
<arturaz>
glade
<glosoli>
but glade is outdated and unstable as I heard, or I was misinformed ?
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<shevy>
glosoli it sucks even if it wouldn't
<shevy>
using XML for layout is just terrible
<shevy>
glosoli, I'd bite into the bullet and design via ruby-gtk without a designer tool
<glosoli>
shevy: so you recommend writting everything by code ?
<shevy>
well more or less yeah
<glosoli>
shevy: What are ruby-gtk pros and cons agains shoes ?
<glosoli>
against''
<shevy>
you can combine things that you need into methods
<shevy>
for instance I do
<shevy>
_ = hbox
<shevy>
no wait sorry
<shevy>
_ = hbox(button1, button2)
<glosoli>
in shoes you can't yes ?
<shevy>
that does a horizontal box, with two buttons inside (which were defined earlier)
<shevy>
no idea. I did not recommend shoes, you have to ask the guy who did
<Rounin>
Hm... Ah, I have another one... I have an infinite sequence which yields values to a block, right... So how do I take n values from the infinite sequence?
<Rounin>
A method which generates an infinite sequence
<Rounin>
method.anything( ) gives a LocalJumpError, because there's no block... Do I put it inside the block, perhaps?
<Rounin>
The actual code is diagonals {|a, b, c, d| puts a.to_s << "\t" + b.to_s << "\t" + c.to_s << "\t" + d.to_s}
<Rounin>
It's executed an infinite number of times
<dark3rdre4ms>
personally, I prefer Qt since it looks good everywhere
<glosoli>
dark3rdre4ms: Why not Shoes ?
<dark3rdre4ms>
I would if it was a gem.
<glosoli>
dark3rdre4ms: Is Ruby Qt codes as long as Python having like PyQt4.QtGui.QPushButton?
<dark3rdre4ms>
no
<glosoli>
dark3rdre4ms: Would you mind writing the altrnative line for Ruby ?to that what I pasted ?
<dark3rdre4ms>
plus, it has KDE bindings too
<dark3rdre4ms>
glosoli: o.O
<dark3rdre4ms>
what did you paste?
<arvindravi>
hello all,so I have a String varialble myURL = ["http://www.google.com"], how do I remove the brackets and quotes from it and make it look like this myURL = http://www.google.com ? I'd appreciate any help!
<glosoli>
dark3rdre4ms: "PyQt4.QtGui.QPushButton" for example how this would look like in Ruby ?
<dark3rdre4ms>
Qt::PushButton("label", self)
<dark3rdre4ms>
glosoli: ZetCode has a pretty decent tutorial on it
<glosoli>
dark3rdre4ms:Is it hard to read text from multi line textbox ? or to restrict from entering numbers in multiline ?
<dark3rdre4ms>
I dunno
<glosoli>
dark3rdre4ms: And in btw, why it's so important for Shoes to be Gems ?
<dark3rdre4ms>
glosoli: it would be nice for shoes to be a gem
<dark3rdre4ms>
just for the sake of ruby
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<glosoli>
got problem can't install shoes on linux "./shoes-3.1.0.run: 1: eval: ./shoes: not found
<glosoli>
dark3rdre4ms: How nice ruby plays with MySql or Postre ?
<dark3rdre4ms>
dunno
<dark3rdre4ms>
SQLite is good
<glosoli>
SQLite is for local apps
<glosoli>
aint it ?
<dark3rdre4ms>
um
<dark3rdre4ms>
it could probably be used for networked apps
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<glosoli>
dark3rdre4ms: Ok, thanks for help :)
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<fayimora>
pls is it reasonable to have a subclass of a class an inner class of its super class?
<samuelj>
A library I'm working with requires that I pass it an IO stream - I'm comfortable passing an opened file, but how can I pass it the equivalent of stdout?
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<samuelj>
Does that make sense?
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<canton7>
samuel, pass it $stdout ?
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<ZenoArrow>
Hi, having real problems installing Ruby via RVM (I'm using Linux Mint). RVM is installed, and Ruby 1.9.3 is installed using it, but when I try to run ruby or irb, I get told I need to install Ruby via apt-get. Any ideas on how to fix this?
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<arturaz>
ZenoArrow, what shell?
<arturaz>
try: rvm use 1.9.3
<ZenoArrow>
arturaz: bash
<ZenoArrow>
rvm use 1.9.3, ah yes that works, silly me! Is there a way to get ruby running without needing to enter this each time?
<arturaz>
google: rvm set default ruby
<rushed>
ZenoArrow: rvm use 1.9.3 --default
<ZenoArrow>
thanks arturaz and rushed, that works now! One final nooby question, I'm trying to install gems and they're giving me errors. For example 'sudo gem install nokogiri' doesn't work. Is there anything I need to setup to get gem install support going?
<rushed>
ZenoArrow: don't use sudo
<arturaz>
sudo switches environment
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<ZenoArrow>
A gotcha, thank you both!
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<ZenoArrow>
Got issues to get around as need to purge an old install of ruby gems, will read through documentation on how to do this...
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<rushed>
ZenoArrow: rvm should isolate you from whatever is going on in your old install
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<ZenoArrow>
rushed, it should, but I'm getting the following error: "ERROR: While executing gem ... (Errno::EACCES)
<ZenoArrow>
I do, yes! ; ) So what do I need to do to fix it? :-)
<arturaz>
rvm should do that automatically :?
<arturaz>
latest rvm version?
<ZenoArrow>
Perhaps I didn't setup rvm properly.
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<ZenoArrow>
Output of rvm -v shows I'm using 1.10.2
<ZenoArrow>
Is that the same version you had installed?
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<ZenoArrow>
Perhaps I should use rvm implode and start again?
<sevenseacat>
1.10.2 is what i have
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<ZenoArrow>
Thanks sevenseacat. Okay, so I probably am running the latest version. I'll do rvm implode and start from scratch...
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<shevy>
man arturaz that's a long PATH var
<arturaz>
a bit :)
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<ZenoArrow>
I created a RVM install script, but it seems to be taking forever to compile ruby-1.9.3-p125. Here's the script, anyone spot any errors in it? http://pastie.org/3408109
<sevenseacat>
it does take a while
<ZenoArrow>
Thanks sevenseacat, I'll just have to be patient!
<ZenoArrow>
Okay, the script finally finished running. irb works, so that's good, but installing gems still doesn't work!! Dammit! I'm still getting told I don't have write permissions to the /var/lib/gems/1.9.1 directory, and the output of echo $PATH is the same as it was before. FML!
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<ZenoArrow>
Tasser, I don't get it?!
<Tasser>
ZenoArrow, ask Phlogistique
<ZenoArrow>
Phlogistique, can you explain? :-)
<ZenoArrow>
145 minutes left to create a new website, I am f**cked!
<Phlogistique>
ZenoArrow: It looks like a really good idea from a security perspective to execute an arbitrary script and actively make sure that there is absolutely no trace of what it did.
<Phlogistique>
for exemple by piping curl directly into the interpreter.
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<Phlogistique>
If you can't read the script you just ran, it makes sure you don't feel like an idiot when you read the script and it actually installs a rootkit because it was replaced by a transparent proxy.
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<Phlogistique>
Also, it's better to run such scripts with maximum privilege; if you run them with few privilege, or worse, in a sandbox, the impact is lessened, which would be a very sad thing.
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<ZenoArrow>
I sort of get it. To be honest, I just amended the bootstrap script from here (it's at the bottom of the page): http://beginrescueend.com/rvm/install/
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<ZenoArrow>
So I guess the RVM documentation might need to be updated?
<shevy>
or removed
<ZenoArrow>
At this moment in time, I'm reaching the point I may try rbenv instead, I do not understand what else I can try to fix RVM. Before I go through that, can anyone please point out what I can try to fix gem installations?
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<arturaz>
you could add to the path manually
<ZenoArrow>
arturaz, you're right I could. Please understand I'm a noob here. What command to I need to enter to get the right paths setup?
<arturaz>
export PATH="/some/dir:$PATH"
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<ZenoArrow>
arturaz, yes, but which paths do I need?
<arturaz>
bin of your ruby i guess
<ZenoArrow>
Any way to find out where that is?
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<ZenoArrow>
As I said before, I'm a noob!
<arturaz>
~/.rvm/rubies/ruby-1.9.3-p0/bin
<arturaz>
replace -p0 with your actual patchlevel :)
<arturaz>
ls ~/.rvm/rubies/ruby-1.9.3-*
<sevenseacat>
i'm surprised rvm didnt set it up for you if you installed it right
<arturaz>
perhaps a bug?
<arturaz>
rvm get head
<arturaz>
:)
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<ZenoArrow>
When I try rvm get head I get: /usr/bin/rvm: line 54: /usr/local/rvm/scripts/rvm: No such file or directory
<ZenoArrow>
It just loops that output until I stop the process with Ctrl+Z.
<arturaz>
try installing rvm as a local user
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<ZenoArrow>
sevenseacat, I'm surprised too. I got Ruby installed via RVM using Fedora, and it worked fine, but for some reason I'm having real issues here with Linux Mint.
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<deryl>
A) ZenoArrow don't attempt the "well you suck i'm going to use rbenv unless you solve my problem" with us. that 'tactic' doesn't work, and actually we're getting tired of it. B) rvm info and gist it, and show how you installed RVM in the first place
<deryl>
Umm what do you mean you got ruby installvia via rvm using fedora?
<deryl>
if you are using the ruby-rvm package, delte it
<deryl>
we don't support it and the packaged versions of rvm are broken
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<deryl>
if you're using OUR install process, what exactly did you do to install
<sevenseacat>
lawl at installing a debian package D:
<sevenseacat>
rvm or ruby from a debian package
<ZenoArrow>
deryl, I'm not complaining about the help I've gotten here, I'm very grateful for it, but at the end of the day I just want a working Ruby install and I don't mind how I get it.
<deryl>
sevenseacat: actually its not just debian.
<sevenseacat>
that aint ever going to work
<deryl>
ZenoArrow: then if you follow the instructions on the website to a T it will do exactly what you want. How do I know? *I* did the testing that wrote the docs, and *I* wrote the docs.
<deryl>
so.. once again. what did you do, how did you do it, and what is it doing?
<ZenoArrow>
deryl, regarding installing on Fedora, I mean that I used to run Fedora, and I used RVM successfully on that install. I'm now on Linux Mint.
<deryl>
gist the *entirety* of what you did including commands ect.
<ZenoArrow>
deryl, ah I see, you wrote the docs, that's cool.
<deryl>
ZenoArrow: well you're using an edge distribution. not all distributions are 'equal'
<deryl>
but, for the *very* last time..
<deryl>
so.. once again. what did you do, how did you do it, and what is it doing?
<deryl>
gist it
<ZenoArrow>
In terms of what I did to install, this pastie shows the script I used: http://pastie.org/3408109
<sevenseacat>
deryl: settle down :p
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<ZenoArrow>
deryl, please point out the errors in the script, I'm not saying it was perfect, I just want to know where I'm going wrong.
<deryl>
sevenseacat: umm, don't tell me to settle down, please. I know exactly what i;m doing here
<sevenseacat>
deryl: i know, dood.
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<sevenseacat>
deryl: he's not shitting on all your work intentionally.
<shevy>
so much hassle with RVM
<deryl>
you're not doing this as root i sure hope
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<deryl>
shevy: 99% of it is PEBKAC
<shevy>
in ancient days people used the source
<sevenseacat>
the other 1% is OSX >_>
<ZenoArrow>
deryl, no I didn't run the script as root.
<shevy>
yeah deryl but that's almost always the case. I mean, people these days tend to sit in front of the computer 24/7, the next step will be a neural interface into the brain to replace the keyboard
<ZenoArrow>
All I did was created the script, used chmod +x to make it executable, then ran it.
<deryl>
ZenoArrow: then you have an /etc/profile.d/rvm.sh or /etc/rvmrc that exists that points $rvm_path to /usr/local/rvm or you already had an install in place and its picking it up, or something
<seanstickle>
What's that user$ thing?
<shevy>
sevenseacat did you know that they have homebrew written in ruby?
<deryl>
because the installer, the rvm script itself, and other parts of it key off $rvm_path and that /usr/local/rvm stuff tells me you have that set already somewhere
<shevy>
but due to their elitist nature it only works on osx
<sevenseacat>
shevy: i did. i also know that it's still a pain in the ass to get ruby up and running, especially on lion
<shevy>
they are like Apple cheerleaders
<deryl>
shevy: actually i wouldn't complain for the neural interface :)
<ZenoArrow>
deryl, thank you for your advice. What do you recommend I do next?
<deryl>
shevy: in fact i'd volunteer to beta :)
<shevy>
yeah deryl. If I could "type" faster and better with it, most definitely. I could produce more code in the same amount of time
<shevy>
and when my hands hurt I could still spit out data from my brain
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<shevy>
or if I lose my hands too :P
<deryl>
ZenoArrow: I suggest you ensur eyou do not have rvm installed anywhere else, tear out what you already have (your mixing of locaitons will have screwed things up in the tracking files), and then you need to ensure you remove ALL RVM LOAD LINES from your .bash_profile, .bashrc, .profile, remove /etc/rvmrc /etc/profile.d/rvm.sh, and the /usr/local/rvm directory if you don't want that.
<deryl>
then log out then back in and run: printenv | grep -i rvm
<deryl>
make sure that NO rvm env vars still exist
<deryl>
then AS A USER run the script one more time. also why are you using the rvm git package rather than your distrib's package? THAT should be under package management. NOT rvm
<deryl>
especially since that is a PRErequisite for rvm
<sevenseacat>
deryl: he just copied that part from a bootstrap script in the rvm docs.
<deryl>
(that isn't a technical failing, i just don't see why you would use an untracked install of git since git gets updated
* deryl
pees on TimeMachine and how freakin slow it is to back up
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<shevy>
lol
<deryl>
ahh i know why that was put there. that was for minimalistic users
<shevy>
yay!
<shevy>
lazy users!
<shevy>
I like these the most
<deryl>
i hate lazy users
<shajen>
how can i add some days to my date in coffee script?
<shevy>
coffee script ey
<shevy>
use ruby man
<deryl>
cause they get lazy and assume that means *I* have to be busy for them. not to mention then they give you attitude becuase THEY didn't read the docs or do any type of effort at all
* sevenseacat
eats coffee
<deryl>
*that* ticks me off. *that* makes me angry.
<shevy>
5 days in ruby ... Time.now + (24 * 60 * 60) * 5 # => Thu Feb 23 16:05:55 0000 2012
<shevy>
deryl yeah understandable
<shevy>
I try to pull the problem down to something that can be easily solved, otherwise I let others deal with it here :)
<shevy>
I often avoid reading docs though ;P
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<deryl>
shevy: yeah but you don't go to the creator of the project or any of the main developers and tell them their shit's broken and busted without reading docs first right?
<shevy>
haha
<deryl>
i mean you DOO try to ensure you've done your homework
<shevy>
not really
<ZenoArrow>
deryl, okay, let me see if I have this right: 1. Clear out RVM entries from .bash_profile, .bash_rc, .profile
<ZenoArrow>
2. Remove /etc/rvmrc , /etc/profile.d/rvm.sh and /usr/local/rvm
<ZenoArrow>
3. Log out, log back in, run printenv | grep -i rvm , check no results
<shevy>
but I prefer to ask people who use IRC + githubt here, that's a lot better IMO
<deryl>
shevy: then yeah, i'd be yellin at ya ;)
<ZenoArrow>
4. Run my script again (removing the git section before, I can always install git separaely)
<ZenoArrow>
5. Success (hopefully!)
<shevy>
*github
<sevenseacat>
why do you need a script? its like three commands
<shevy>
6. Profit
<shevy>
7. Eat a cheeseburger
<deryl>
ZenoArrow: between 2 and 2, make SURE yopu have NO RVM LOAD LINES in your .bashrc, .bash_profile, or .profile
<sevenseacat>
the hard work is all done in rvm's installer script
<shevy>
3. << "kill kitten"
<sevenseacat>
D:
<deryl>
ZenoArrow: dude
<sevenseacat>
not the kittens
<shajen>
shevy: ic coffee script there is ho that function
<shevy>
lol
<deryl>
READ the troublehsooting page
<deryl>
i GAVE yo guys a script to remove everything
<ZenoArrow>
deryl, okay I'll look for that script, thanks.
<shevy>
shajen, well, coffee script is just sugar around javascript, I would not know how to ask javascript for date... it seems like an incomplete language to me anyway, only popular because every browser is using it
<deryl>
i mean please. just read the pages there. please? just once? come on you'll like it
<deryl>
i mean it,r eally, please?
<ZenoArrow>
deryl, I understand your frustration, but I can tell you, I have looked through that page.
<deryl>
ZenoArrow: then how is it you can't see the "How do I completely clean out all traces of RVM from my system, including for system wide installs?"
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<Phlogistique>
(though I understand how it can be useful)
<shevy>
Phlogistique I think the main problem starts when people stick to i.e. debian's ruby, then they want addons, then gems don't work, then they install RVM but also don't know what is going on. they kinda push behind what they should obtain in the first place (REAL KNOWLEDGE) and so they chase the rock (problem after problem after problem emerging for many of them)
<shevy>
btw
<shevy>
what ruby do you use Phlogistique? :)
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<deryl>
Phlogistique: not for *everyone* I understand. but it serves a purpose and we add pretty much whatever our userbase wants. rvm was first in the space and is very mature, so it *seems* to be bigger than what it really is.
<deryl>
the biggest problem is people freakin overcomplicating the fuck out of everything :/
<Tasser>
shevy, everyone's just meddling through, the difference is in the level ;-)
<deryl>
Tasser++
<shevy>
hehe
<shevy>
wait until I learn nimrod !
<shevy>
instant nirvana knowledge
<shevy>
I think my brain is getting worse though, it takes me longer and longer to learn new things :(
<deryl>
the biggest pet peeve i have is we live in a world of instant gratification, and its affected humans to the point they will do the *absolute minimum* and expect the *absolute most* and then get mad when they don't jhave it, or don't understand it, etc etc. Its supposed to be just dumped down their throats. like Knowledge-On-Demand
<Phlogistique>
shevy: what's installed on my system by my package manager; I usually make a symlink or two so that the names for ruby 1.9 and ruby 1.8 are the same on my systems
<deryl>
shevy: yeah i know that feeling. i'm 41 and i swear i learned shit a HELL of a lot faster when I was younger than I do now
<shevy>
yeah
<seanstickle>
I learn new things a hell of a lot faster these days than when I was younger
<seanstickle>
More hooks to hang the information in.
<deryl>
seanstickle: lol
<deryl>
i like tht analogy
<shevy>
well, I think it somehow depends in some ways, when I see a pattern, I try to fit it into my box and can learn it quickly... but take nimrod, the type system confuses my brain a lot
<Phlogistique>
deryl: yeah I totally understand like the use of RVM when you have to host an app which needs a shitload of gems at a precise version
* deryl
thinks he might calm a bit if he has a cig
<Phlogistique>
and another app which needs another shitload of gems
<shevy>
it's as if you stare at things and it just does not make "click"
<Phlogistique>
and stuff
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<deryl>
Phlogistique: or do like I do and work with multiple versions of ruby and multiple versions of gems, and a huge matrix of those 2 things over and over in a day
<Phlogistique>
yep
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<deryl>
rvm makes switching back and forth per project extremely simple, and isolates gems from other gems, rubies from other rubies, helps to crystalize and stabilize your environment whether development or production
<deryl>
i'd go nuts if i didn't have rvm for the way i use rubies in a day. and then when i saw its worth i got involved in the project directly.
<seanstickle>
No rvm would make me go crazy nuts
<deryl>
heheh
<seanstickle>
jruby, macruby, and matz ruby all in one day
<seanstickle>
Would be a nightmare
<Tasser>
I use rvm for jruby here, does its job
<Phlogistique>
yeah, the thing is Ruby created an ecosystem where RVM has to exist
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<deryl>
and while yes, i ama dev on the project, wayne, michal, and i will *all* tell you, no rvmisn't for everyone, and no you don't automatically *need* rvm *just* because you're working with ruby (like some zealots like to make it sound)
<seanstickle>
I want to give money to rvm
<Phlogistique>
and the fact that RVM exists contributes to this ecosystem
<seanstickle>
And so I shall
<deryl>
Phlogistique: exactly. and we do our bet to fulfil *that* neeed
<shevy>
Phlogistique yeah, that is a nice realization
<shevy>
it's a bit what I see with linux distributions - they create their own niche in the ecosystem, around their package managers
<seanstickle>
Now, if only someone would make rperl
<seanstickle>
So I can have 5.12 and 6 managed simply
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<Tasser>
or python
<shevy>
gosh
<shevy>
the move to python 3 makes me angry
<shevy>
I can't compile many things when it expects python < 3
<shevy>
:(
<Phlogistique>
yes; though at least Strings in python 3 are somewhat sane
<deryl>
ok folks, gotta split. enjoyed the conversation. but i've an article due tomorrow and i'll be damned if i even have the outline completed hehe
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<Phlogistique>
have a good day
<deryl>
you too
<ekaleidox>
ubuntu seems to think i want gems 1.8 and not 1.9. how can i convince it to use 1.9.1?
<Tasser>
shevy, some debian admins told me they had to rewrite scripts due to a minor ruby version...
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<shevy>
hehe
<Tasser>
shevy, their comment: "ruby is a nice language, but the ecosystem sucks"
<shevy>
hmm
<shevy>
they are not totally wrong here
<shevy>
:)
<deryl>
Tasser: was just gliding by the channel when i saw your comment. i hate to say it but debian brings MOST of its woes with ruby unto itself. the way they jack all the packages and split everything to hell and back as sub-dep packages.. its just stupid
<shevy>
yup
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<deryl>
(another reason I left the Project several years ago. they couldn't get their asses out from around their heads)
<shevy>
the blind man says the one-eyed man sucks ;)
<Tasser>
what did I do...
<shevy>
not you
<Tasser>
shevy, I did feed the trolling ;-)
<shevy>
you gotta keep the fire burning man
<shevy>
and deryl has a LOT of that stuff inside!
<deryl>
Tasser: and no you didn't do anything. was just commenting :)
<deryl>
shevy: lol bite me ;)
<deryl>
(just to help prove your case hehe)
<Amirh>
We can use conditional structure in the beginning of a class definition and for example define a constant based on the condition. and it's all happening outside on any method. Is this only possible in Ruby? for example does Java support conditional structure outside a method?
<Tasser>
shevy, trolling fire burns on everything
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<shevy>
Amirh no real idea about whether java allows it... but I'd say java does not allow it
<Tasser>
Amirh, the compiler has to understand it
<Phlogistique>
ekaleidox: dunno, I'm pretty sure I have both on my ubuntu system
<Tasser>
aka be able to execute it at compiletime
<Phlogistique>
let me look into it
<Amirh>
shevy: that's pure deconstruction in my opinion.
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<ekaleidox>
appreciate the help
<Phlogistique>
no@neetwork ~ % which gem1.9.1
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<Phlogistique>
/usr/bin/gem1.9.1
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<Phlogistique>
it does look like it was installed by the distro
<seanstickle>
I'm looking forward to the Cardinal project really taking off.
<deryl>
Phlogistique: ekaleidox yeah you can have both onthe system at the same time. they make it gem|ruby18|19 packages and the bins the same name. to change to say 19 you hav eto use the update-alternatives system
<Tasser>
seanstickle, ruby on the JVM does its job pretty well ;-)
<Phlogistique>
ekaleidox: gem1.9.1 is in the ruby1.9.1 package
<deryl>
or call then directly if you want to do it from say a script or something
<seanstickle>
Tasser: the JVM is nice, but Parrot is niftier
<Phlogistique>
(maybe they changed its name becayse it's *not* ruby 1.9.1, or maybe they didn't)
<shevy>
isn't parrot like the 100 years project "perl 6 will soon be ready"
<ekaleidox>
got it, perfect
<Phlogistique>
ekaleidox: also you can use update-alternatives to choose which gem you want to use
<deryl>
err didn't i just say that?
<squidz>
does anybdy have a clue why ruby is printing out '-' as an a with an accent mark?
<Phlogistique>
yes you did
<ekaleidox>
how is update-alternatives accessed? sorry im a bit of a rookie
<Phlogistique>
deryl: I was typing commands so I didn't look at what you said :) sorry
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<Phlogistique>
ekaleidox: man update-alternatives :)
<deryl>
ekaleidox: its been awhile even for me, I'd have to read man update-alternatives
<seanstickle>
shevy: Parrot is the VM for one implementation of Perl 6.
<seanstickle>
shevy: but it's a standalone dynamic VM project
<Phlogistique>
it doesn't seem like gem1.9.1 is listed as an alternative
<Phlogistique>
at least on my old ubuntu
<deryl>
don't forget to change ruby as well so you don't try it with a ruby18
<Phlogistique>
maybe it has been fixed on a more recent ubuntu
<deryl>
Phlogistique: not sure. i think they stopped pushing 1.9.1 because it was so buggy
<ekaleidox>
i caught that, thanks deryl and phlog
<Phlogistique>
I'm stuck behind because of a Jabber server that I don't want to bother to update
<deryl>
thats a total guess though
<Phlogistique>
deryl: it's not actually 1.9.1
<Phlogistique>
Debian and Ubuntu have the whole 1.9 series called 1.9.1 for some reason
<deryl>
Phlogistique: i thought they had a 1.9.1 package and a 1.9 where 1.9 was 1.9.2
<Phlogistique>
(if I got things right)
<deryl>
i've been camped out for awhile on archlinux because the group i work with uses that the most, so I forgeet
<deryl>
s/ee/e/
<Phlogistique>
then again, my server is stalled on an old ubuntu
<squidz>
wohoo archlinux
<deryl>
osx lion for the desktop, arch for the servers
<Phlogistique>
yeah, dunno how I got ruby 1.8 for arch, btw, I think I remember they don't have a package for it
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<deryl>
except the firewall. thats an ubuntu box but purposefully minimalistic
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<dagnachewa>
hi all
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<chiel>
hi guys, i want to set up a gemfile for my project, but i don't really know what versions my gems currently are. is there some command for that?
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<deryl>
gem search <gemname> -r
<td123>
chiel: gem search
<chiel>
ah okay, thank you :)
<deryl>
also, bundler will create a Gemfile.lock which will store the versions you installed with bundle install
<chiel>
ah
<deryl>
which will start out at the most current version of the gems listed in Gemfile unless you specifically state a version in the Gemfile
<chiel>
bundle install installs the stuff specified in the gemfile, I guess?
<chiel>
hmm alright, yeah, I was planning to use -> to specify versins
<chiel>
versions*
<deryl>
see gembundler.com for the docs on bundler
<chiel>
to ensure things will remain backwards-compatible
<chiel>
yeah, was just looking at that. thanks :)
<deryl>
np
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<chiel>
if i haven't specified which gem source i want to use, does it simply default to http://rubygems.org?
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<chiel>
anyone know the difference between the json and multi_json gems?
<Phlogistique>
chiel: there is a json lib in the standard library
<Phlogistique>
(no, I don't know)
<chiel>
ah okay :)
<Phlogistique>
that you can use like that:
<Phlogistique>
require 'json'
<chiel>
yeah, was just curious why i had a gem installed for it
<Phlogistique>
JSON[a_json_string]
<chiel>
but, apparently sprockets has it listed as a dependancy
<chiel>
yeah, i've simply been using the .to_json methods
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<Amirh>
does this create a singleton class-variable? class << self
<Amirh>
attr_accessor :my_constant
<Amirh>
end
<Mon_Ouie>
No
<Mon_Ouie>
It creates two methods on the singleton class of self
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<Mon_Ouie>
my_constant and my_constant=, that name being quite weird since those methods are used to set access an instance variable
<Amirh>
Mon_Ouie: those are singleton then?
<Mon_Ouie>
The methods? Yes
<Amirh>
thanks
<Phlogistique>
btw, is there an idiom to create setters and getters for class variables?
<Amirh>
attr_accessor?
<Phlogistique>
Amirh: that's for instance variables
<Tasser>
Phlogistique, cattr_accessor from active_support
<Tasser>
Phlogistique, and why not use a constant?
<Phlogistique>
Tasser: ok.
<Phlogistique>
Tasser: because I don't want it to be constant, I suppose.
<Amirh>
Phlogistique: look at my previous question above.
<Amirh>
Phlogistique:
<Amirh>
class << self
<Amirh>
attr_accessor :my_constant
<Amirh>
end
<Amirh>
it creates setter and getter for a class variable.
<samuelj_>
Hey guys, I have the following snippet, but I'm having difficulty getting my head around threads! I want to define a class that inherits from thread, so that when I create this class, it starts the thread running. However, when I instantiate the object, everything hangs! Like it's waiting for the thread to return or something. Am I missing anything? http://pastie.org/3408704 -- Thanks very much in advance!!!
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<samuelj_>
The thread is definitely starting, just nothing afterwards happens!
<lohapuk>
i get the following warning (eval):1: Use RbConfig instead of obsolete and deprecated Config
<lohapuk>
anyone got any ideas why
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<lohapuk>
or even if there is a nicer way of finding out all the classes that are a subclass of another
<shevy>
lohapuk I think that is typical of the change to ruby 1.9.3x
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<lohapuk>
shevy: so what is the new way of doing it in 1.9.3
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<ale`>
hi, can someone explain me why def f(x, options={}); puts [x,options]; end ; f (10, :asdf => 2) doesn't work while f (10) works? (please note the space between `f' and the open paren)
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<Phlogistique>
ale`: because there is no space before the open paren for function calls in ruby
<Phlogistique>
f (10, :asdf => 2) means f((10, :asdf => 2))
<Phlogistique>
which also means f[3] is not the same as f [3]
<ale`>
ahhh I see :-)
<ale`>
thanks for the explanation
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<Phlogistique>
(except f[3] seems to be the same as f [3])
<tayy>
can someone help me out with regex? i can't seem to get this to work.
<tayy>
the string is: [["Thursday 16 February"]]
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<tayy>
i wanan remove the [[" "]]
<tayy>
[a-zA-Z0-9\s] doesnt seem to work (but it works in rubular)
<tayy>
(the / / at the start and end omitted. can't send msg with that in apparently)
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<Phlogistique>
tayy: /(?<=\[\[").+?(?>="]])/
<Phlogistique>
or something like that
<Phlogistique>
I have to check the syntax
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<Phlogistique>
tayy: /(?<=\[\[").+?(?="\]\])/ should be better
<tayy>
AWESOME! THANKS :D
<Phlogistique>
or if you don't have 1.9, scan(/\[\["(.+)"\]\]/).flatten.first will give you what you want
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<Nek>
Hi
<Nek>
I'm newbie with ruby
<Nek>
I don't undersand all with ruby.
<Nek>
For example at this moment I was trying to make a class
<shevy>
if that does not work, we can try to append to the load path
<Nek>
I look like it's okkkk
<Nek>
It*
<Nek>
I'm trying.
<shevy>
$:.unshift File.dirname(__FILE__)
<Nek>
Undefined method save.
<shevy>
another error?
<Nek>
I'm going to hate ruby :D
<shevy>
can you show the full command at pastie.org
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<shevy>
I dont know what you are doing right now without context ;)
<glosoli>
Are there any good manual for Shoes ? with detailed info ?
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<Nek>
shevy it was the simpliest command: log = NekLogger.new
<shevy>
nonono
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<shevy>
what did you do
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<shevy>
log = NekLogger.new <-- this command WILL work IF you required the file before successfully
<shevy>
so, you must not have required it properly.
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<Nek>
shevy it seems that it was because I have a bad name on my save method
<Nek>
I renamed to self.save and it's working
<Nek>
What's the difference ?
<shevy>
well ok if your black magic is working
<shevy>
def self.save makes a class method
<shevy>
class Foo
<shevy>
def self.save
<shevy>
Foo.save will now work
<shevy>
otherwise, you'd have to tie it to an object
<shevy>
foo = Foo.new
<shevy>
foo.save
<shevy>
you see?
<shevy>
the .new part
<shevy>
.new makes a new OBJECT
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<Nek>
hum
<Nek>
I'm not sure
<shevy>
you are sure now
<Nek>
I'm going to make some test with this class ^^
<shevy>
good
<Nek>
oh
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<Nek>
shevy bad question but..
<Nek>
How to make a "\n" ? :')
<friskd>
whats a really good irc client for linux?
<Nek>
friskd xchat ;)
<glosoli>
friskd: I go for smuxi
<shevy>
Nek what is that?
<shevy>
Nek "your string with \n many \n inside \n"
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<shevy>
you make a "\n" by making... a "\n"
<shevy>
:)))))
<Nek>
of course
<shevy>
I tend to do this usually:
<shevy>
N = "\n"
<Nek>
but I want to make many lines
<shevy>
N = "\n"; N * 20 # => "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
<shevy>
not sure where you have a problem
<linduxed>
some pages ago i posted about some cucumber problem, but i've come to the conclusion that is HAS to be something that's got to do with whether fill_in is a persistent method
<Nek>
I don't want just \n. I want a new line !
<friskd>
Thanks guys!
<friskd>
trying xchat. Looks simple.
<linduxed>
and i mean persistent as in "i use fill_in, then i can move on to use it with some other variable and the previous one stays"
<friskd>
also downloading xmuxi and the other, will try them all to see which ui i like
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<RomyRomy>
Hello Rubyists…. I've always had a bit of difficulty trying to figure out how to learn / use Procs and Lambda… have there been some really lucid, awesome online tutorials/articles/videos that anyone here has seen and could recommend to me? Thank you.
<rippa>
what exactly you don't understand?
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<shevy>
Nek I do not understand what you want
<apeiros_>
Nek: "\n" *is* a newline
<apeiros_>
note that '\n' however is *not* a newline
<shevy>
apieros!
<shevy>
you are BACK!
<shevy>
judofyr will be happy
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<shevy>
RomyRomy you can think of procs as objects without a real name
<Nek>
apeiros_ shevy the windows shell disagree with you :D
<shevy>
and you can .call to them
<shevy>
Nek you must show code
<Nek>
I'm trying in a file
<shevy>
because I am sure the error is you, not the shell :P
<shevy>
why dont you use pastie.org man
<rippa>
without a real name?
<shevy>
sure
<shevy>
what is the name of a proc!!!
<apeiros_>
Nek: then you're doing it wrong
<shevy>
it's not joe, it's not fred!
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<rippa>
shevy: what is the name of a string?
<shevy>
rippa foo!
<shevy>
sometimes foobar if you append bar to foo
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<shevy>
usually I use _
<rippa>
does a proc in the forest have a name if no one can see it?
<shevy>
_ = ''; _ << 'bar'
<shevy>
procs are the masters of the _
<shevy>
I even do _._._
<shevy>
but after a while it becomes a bit confusing
<Fretta>
what does this mean when installing a gem: ~>
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<Paradox>
specifically, i have a class that has the various mongomapper keys in it
<Nek>
I already read some doc about ruby
<shevy>
Nek isnt that damn confusing?
<Paradox>
and i want to put some logic in this class that creates entries in the database, but also preforms some other tasks
<Fretta>
what does this mean e.g. gem 'bcrypt-ruby', '~> 3.0.0'
<Paradox>
the default way of doing this in mongo mapper is to just write your keys, then create an instance of the class with the keys passed to .create() as a hash
<Paradox>
Fretta, use the bcrypt-ruby gem version 3.0.0
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<Paradox>
but thats not practical for my needs, unfortunately
<banseljaj>
Fretta: It probably means "approximately this version of gem"
<Paradox>
"The specifier ~> has a special meaning, best shown by example. ~> 2.0.3 is identical to >= 2.0.3 and < 2.1. ~> 2.1 is identical to >= 2.1 and < 3.0. ~> 2.2.beta will match prerelease versions like 2.2.beta.12"
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<Fretta>
Paradox ah thank you :)
<banseljaj>
Hmm. I need help with developing a GUI app for ruby. And I am still having trouble selecting the GUI toolkit
<Paradox>
banseljaj, best thing to do: use webkit as a gui toolkit
<Paradox>
lots of apps do that
<Paradox>
Growl, Dashboard, Adium, Linkinus, etc
<banseljaj>
I've never used Any GUI toolkit.
<banseljaj>
and i need some way to help me visually design the UI first.
<banseljaj>
Paradox: ^
<Paradox>
what platform?
<banseljaj>
Also, is there a problem with glade with ruby?
<banseljaj>
i've done rails development, and ruby is my first language
<Paradox>
well…
<Paradox>
webkit is a html rendering engine
<Paradox>
so…
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<Paradox>
if you can figure out a way to render a html view
<Paradox>
then you can just css and html and js to make a view
<banseljaj>
wxRuby looks promising
<Paradox>
yeah
<Paradox>
thing is…wxwidgets are UGLY
<Paradox>
wish there was an interfacebuilder->ruby bridge
<Paradox>
oh…
<Paradox>
mac ruby does it
<banseljaj>
But macruby isn't crossplatform.
<banseljaj>
I think
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<banseljaj>
Paradox: that sounds ... difficult
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<Paradox>
meh, mac users have different standards for apps
<Paradox>
they like them to look good and work well
<Paradox>
the other platforms the first one isnt so much true
<Paradox>
ah well
<Paradox>
doesn't look like anyone here knows much about MongoMapper
<Paradox>
thanks anyway
<Paradox>
ciao
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<Hanmac>
Paradox: do you have better indipent GUIs then wx?
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<dark3rdre4ms>
qtruby anyone
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<CannedCorn>
hey guys if you have three functions that are essentially the same except for a couple lines between a begin->rescue should you make a new function that takes that section as a block or is it bad to yield between a begin->rescue?
<CannedCorn>
ah but you can't do assert_raise Error.new "blah"?
<CannedCorn>
in test-unit
<apeiros_>
since there's no class called 'Error', no, you can't.
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<apeiros_>
also, you might want to read the docs on assert_raise. iirc it works not quite like that.
<CannedCorn>
well lets say i had a class called error
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<CannedCorn>
assert_raise works just fine when you do that
<CannedCorn>
it's actually pretty slick
<CannedCorn>
but just doesn't work in 1.8.7
<apeiros_>
now we have an *entirely* different question than what you initially asked
<apeiros_>
23:50 CannedCorn: hey guys, in 1.8.7 can you not check the raised exception's text?
<apeiros_>
that question had like *nothing* to do with assert_raise.
<CannedCorn>
umm
<CannedCorn>
don't you check raised exceptions with assert_raise
<apeiros_>
no
<apeiros_>
assert_raise is a tool from unit testing
<apeiros_>
you don't use it in normal code.
<CannedCorn>
right, im doing unit testing
<CannedCorn>
i should have said: when doing unit testing in 1.8.7 can you not check the raised exception's text?
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<apeiros_>
you know, when you want help, you may want to give the relevant context…
<CannedCorn>
sorry apeiros_
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<apeiros_>
meh, no source_location in 1.8.7 :-S
<CannedCorn>
I apologize, but is there a way to test the class and text of a given exception when unit testing in ruby 1.8.7
<apeiros_>
and no absolute path in $"… teh suck
<banisterfiend>
CannedCorn: just rescue it and check it there
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<banisterfiend>
CannedCorn: begin; code_that_raises; rescue => ex; ex.message.should =~ /what you expect/; ex.is_a?(YourException).should == true; end or whatever
<CannedCorn>
right...
<CannedCorn>
the assert raise way seems much cleaner, and this seems lame when I'm using the test-unit gem that has the capability, it should essentially remove the dependency on 1.9 for that sort of thing no?
<apeiros_>
assert_raise RuntimeError, "foo" do raise "foo" end
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<apeiros_>
doesn't seem to check the message, though
<CannedCorn>
yes
<apeiros_>
ah, the last one is considered the message to display
<CannedCorn>
it does if you say assert_raise RuntimeError.new "this barfed" do raise "this barfed" end though
<CannedCorn>
but just not in 1.8.7
<apeiros_>
you'll have to either build your own assertion (not that hard) or do what banisterfiend recommended
<CannedCorn>
yah, ok
<CannedCorn>
i'll do that, thanks guys
<CannedCorn>
but what i don't get is that if i require 'test-unit' shouldn't test-unit assertions be ruby agnostic
<CannedCorn>
seeing as it would be using the very same gem in both rubies
<apeiros_>
I assume you mean you require 'test/unit'?
<CannedCorn>
yes, whoops
<apeiros_>
no
<CannedCorn>
ok then
<apeiros_>
puts $LOAD_PATH
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<dominikh>
not a gem but stdlib.
<apeiros_>
compare on the different rubies.
<apeiros_>
stdlib is part of ruby, and hence not ruby agnostic.
<apeiros_>
if you use rvm, then neither are gems ruby agnostic.
<CannedCorn>
then what if you did require 'rubygems' require 'test-unit'
<CannedCorn>
i actually did mean test-unit
<CannedCorn>
which is a gem
<apeiros_>
do a `gem env` in your shell, change the ruby by rvm, then run `gem env` again.
<CannedCorn>
not a library
<apeiros_>
make sure you do actually load the gem then.
<apeiros_>
stdlib/load_path has precedence over gems
<apeiros_>
so if you do `require 'test/unit'` and something in stdlib/load_path fits, it'll be that which is being required. use the gem method to activate the gem.
<CannedCorn>
so i should gem 'test-unit' then require 'test/unit' yeah?
<apeiros_>
yes
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<RubyPanther>
is there some new thing that is more active/relevant than the Ruby Reflector?
<RubyPanther>
was everything there is to blog about Ruby already written by 2006?
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<seanstickle>
Ruby Inside, of course
<apeiros_>
they wrote that ruby 1.9.3p125 was released in 2006? wow…
<apeiros_>
nice troll, tho
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<RubyPanther>
apeiros_: translation: "I don't know" lol
<apeiros_>
translation: "on and on I troll"… lalala… /ignore RubyPanther
<RubyPanther>
You don't actually need to use the /ignore command in order to stop trolling, you could also just not do it.
<RubyPanther>
In any case, I'll just renew the question, is there anything that replaced the "Ruby Reflector" or is this really... it.
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<seanstickle>
also Ruby Flow
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<startling>
are blocks not first-class?
<startling>
and neither are functions?
<banisterfiend>
startling: in wat sense
<startling>
you can't pass them around or assign them names or return them, can you?
<matled>
startling: sure. a = proc { ... }; b = self.method(:foo); return [a,b]
<banisterfiend>
startling: in the case of blocks you just use procs instead
<CannedCorn>
is the proper way to create a generator in ruby to use the generator class?
<CannedCorn>
or is an enumerable also considered to be a generator?
<banisterfiend>
blocks/procs are reallly two sides of the same coin, a block is just sugary syntax for proc when passed to a method
<CannedCorn>
there must be some distinction right?
<banisterfiend>
CannedCorn: you mean Enumerator?
<startling>
matled: banisterfiend: ah, I didn't know about procs.
<CannedCorn>
right, enumerator
<CannedCorn>
startling: what about the difference between lambda's and procs
<banisterfiend>
CannedCorn: Enumerator and generator are the same thing i guess: e = Enumerator.new { |y| (1..100).each { |v| y << v } }; e.next; e.next
<banisterfiend>
startling: dont confuse him
<banisterfiend>
:)
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<banisterfiend>
CannedCorn* even
<startling>
what are lambdas in ruby?
<swarley>
startling, they are like procs
<swarley>
except, using a return in a lambda returns from the lambda itself
<swarley>
where as a proc would return from its scope of calling as well
<startling>
oh, so they have their own scope?
<swarley>
in a way
<banisterfiend>
startling: no
<banisterfiend>
it's just local vs non-local returns
<banisterfiend>
but yeah they do have their own scope in the sense that a local defined inside a lambda is not accessible outside it
<banisterfiend>
but they are also closures
<CannedCorn>
banisterfiend are Enumerators and Generators the same internally though?
<startling>
banisterfiend: that makes sense. thanks!
<banisterfiend>
CannedCorn: They are all applications of fibers
<banisterfiend>
CannedCorn: internally they're both fibers yeah, and when u say Generator what do u mean? whta class are you referring to?
<banisterfiend>
CannedCorn: afaik a Generator class doesnt exist in 1.9
<banisterfiend>
it was a 1.8 phenomenon
<banisterfiend>
1.9 just uses Enumerators
<CannedCorn>
oh really
<CannedCorn>
wow
<CannedCorn>
ok
<swarley>
any comments or ideas for improvement on this, i just made it to stall working on my real project http://pastie.org/3410945
<CannedCorn>
yeah, you are right
<apeiros_>
swarley: you reinvented openstruct?
<banisterfiend>
swarley: isnt that like OpenStruct
<banisterfiend>
hehe
<swarley>
didnt know it exists lol
<swarley>
just got bored
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<apeiros_>
also, I think nobody uses =begin/=end
<swarley>
im just using it because i didnt know i could a few days ago
<swarley>
just playing with it
<seanstickle>
Sure they do.
<seanstickle>
Along with __DATA__
<seanstickle>
:P
<apeiros_>
seanstickle: it's DATA
<seanstickle>
I know
<seanstickle>
That was me setting it off in IRC
<apeiros_>
o0
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<seanstickle>
What? You mean your IRC doesn't have support for Markdown?
<swarley>
i do enjoy a god old __FILE__
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<swarley>
xD
<apeiros_>
seanstickle: no. and I hope that's not widespread. emoticons was bad enough.
<seanstickle>
Ha
<apeiros_>
smiling code… zomgponies!
<seanstickle>
Trying to chat about APL is hard enough.
<seanstickle>
Without IRC turning my APL code into smilies
<apeiros_>
swarley: god old means as old as god? :)
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<apeiros_>
swarley: btw., DATA is from $0, not __FILE__