ChanServ changed the topic of #ruby-lang to: Ruby 1.9.3-p125: http://ruby-lang.org | Paste >3 lines of text on http://pastie.org or use a gist
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<andrewhl> if I have an array of numbers, let's say [1,1,1,1,2,1,1,1], and I want to check that all the numbers in the array are equal, and if not output "false", is there a simple enumerable method I can use?
<samuelkadolph> andrewhl: No built in method. You could do something like array.all? { |e| e == array.first }
<andrewhl> ok I'll try that, thanks
<jarib> or array.uniq.size == 1
<samuelkadolph> all? better describes the intention imo
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<rue> Allallalala
<seanstickle> jarib: nice!
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<ReinH> jarib: that's clever but not very intention revealing
<ReinH> I would prefer samuelkadolph's
<ReinH> "are they all the same as the first one" describes the intent
<erikh> jarib's solution is probably a shitton faster in a language where the length of the result is stored
<bnagy> the .all? approach will return true for an empty array
<bnagy> also, I do it with uniq in my code, so I must support it :>
<erikh> heh
<bnagy> anyway 'is there only one kind of value' is as transparent to me as 'are all the elements the same as the first one'
<bnagy> who even thinks like that
<erikh> apparently someone
* erikh makes the wisest comments
<bnagy> well not all solutions can be expressed in code the way you would think them
<erikh> oh, sure. and arguably the ones that perform the best take the above statement to the extreme
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<zcdny> Hi, guys, how to aliases a object name ?
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<ReinH> "object name"?
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<drbrain> a = Object.new; b = a # +
<drbrain> ?
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<michael_mbp> hi, if I do class Foo; import Bar; end // is OK to call foo the 'receiver' when describing in context of the module Bar?
<erikh> include I presume?
<michael_mbp> i.e. module Bar; def self.included(klass); klass.insance_eval { } // the instance_eval operates on the receivers singleton class.
<erikh> and if that's what you mean, yes, it's ok.
<drbrain> michael_mbp: sure
<michael_mbp> oops include yes
<erikh> too much perl recently, aye?
<erikh> :)
<michael_mbp> hehe
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<michael_mbp> let me show you something
<michael_mbp> so that klass.extend ClassMethods // all definitions there are operate on the receiver the same as those inside instance_eval
<michael_mbp> -are
<erikh> that's.... do you really need to do that?
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<michael_mbp> it's a bit of duplication of the something right?
<erikh> yeah, like class Foo; stuff; end
<ReinH> so Ruby has this thing called extend
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<michael_mbp> they both essentially do class << self; … ; end on the receiving class
<erikh> right
<michael_mbp> the only thing about this pattern I think it's a bit cleaner for mixing in with Rails is that one can organise all the before_filters etx in the .instance_eval simple for the convenience of reading
<erikh> well, where self is klass in this case
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<michael_mbp> exactly.
<erikh> (which is usually how class << self is used, but i'm digressing)
<erikh> eh
<erikh> I dunno. it's up to you, but that seems like a completely backwards way of doing what you want to do
<michael_mbp> and all proceeding methods are instance methods, then whatever that goes within the ClassMethods module are created as singleton methods ...
<erikh> and i'm one guy so take my opinion with a heavy dose of salt
<michael_mbp> ok here's an alternative
<erikh> you know, scratch that. I'm not trying to be rude, but I still have no idea what your end goal is here.
<michael_mbp> ah no you're not don't worry
<michael_mbp> I'm just trying to see what's a more sensible pattern to adopt
<erikh> it probably depends on the problem.
<michael_mbp> I've seen the first example used by another developer I've worked with.
<erikh> but in general, this kind of stuff should be regarded as a code smell.
<michael_mbp> well the assumption is that we'd be mixing in instance and singleton methods
<erikh> class << self; include Quux; end at construction time doesn't work?
<michael_mbp> so both smell or… ?
<erikh> I guess I just don't get it. maybe I'm having a case of the dumb.
<michael_mbp> I don't think class << self works when being included.
<michael_mbp> true, that would have made the most sense...
<michael_mbp> but remember we'd be trying to do klass << self ;-)
<michael_mbp> hmm
<erikh> you're confusing your self objects.
<erikh> what's the self of self.included?
<michael_mbp> oh you're doing it that way
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<erikh> yeah, it's a direct approach instead of a callback-based one
<erikh> if you don't need a callback, don't use it.
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<michael_mbp> well I think you're method doesn't allow once you do simply do include Bar at the top level of the class and let it setup both instance and class methods.
<erikh> all this said; I would strongly encourage you to manage your classes in a way that don't require singleton objects
<michael_mbp> right
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<erikh> IIRC they take their toll on the interpreter because additional management needs to come along with those objects.
<michael_mbp> ah
<erikh> which might be an issue in largish applications
<drbrain> michael_mbp: I don't expect include to add more than instance methods
<drbrain> michael_mbp: so I prefer having two lines
<drbrain> include, extend
<michael_mbp> include and the extend separately then :)
<erikh> meh
<erikh> it's a code smell :P
<michael_mbp> hey drbrain :)
<drbrain> hi!
<michael_mbp> btw what are you thoughts on this https://gist.github.com/6c481d68391e7ecf6c65#comments
<michael_mbp> they both do the same thing
<drbrain> I still like to avoid metaprogramming
<michael_mbp> ah
<any-key> metaprogramming is like violence
<michael_mbp> heh
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<ReinH> more is always better?
* any-key karate chops ReinH
<drbrain> if it's not working you're not using enough of it
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<ReinH> drbrain: confirm
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<fragmachine> Hello I'm trying to install libxml-ruby-2.3.2 but I get this error with 'gem install libxml-ruby-2.3.2': "The compiler failed to generate an executable file. You have to install development tools first". I do have development tools installed though, Xcode 4.3.1. Anyone know how to fix this?
<drbrain> fragmachine: why libxml-ruby?
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<fragmachine> its for rubyosa, a gem that lets you control mac applications using applescript
<fragmachine> it tries do install libxml first and always fails
<fragmachine> I'm using Ruby 1.9.3
<drbrain> fragmachine: I spoke to Laurent about it and he says you should either use MacRuby or rb-appscript
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<fragmachine> oh cool I've never heard of rb-appscript. I'll check it out. Thanks!
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<drbrain> fragmachine: the latest release doesn't run on OS X 10.6 (or, probably, 10.7)
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<fragmachine> ok no problem
<fragmachine> I'm still getting errors - http://pastie.org/3796231
<fragmachine> I installed Xcode 4.3.1 the other day maybe that's stuffed something up
<drbrain> fragmachine: how did you build ruby?
<fragmachine> with rvm
<drbrain> fragmachine: did you build it on an older version of Xcode?
<fragmachine> I think I may have yes
<drbrain> that's likely your problem
<drbrain> rebuild ruby with rvm and you should be good to go
<drbrain> it's looking for gcc-4.2 which Xcode 4.3.1 probably removed
<drbrain> hrm
<drbrain> before you do that
<drbrain> have you launched Xcode and installed the comamnd-line tools?
<fragmachine> yes I have command line tools installed
<drbrain> ok
<fragmachine> gcc is version 4.2.1
<drbrain> then likely having rvm rebuild ruby will allow you to build C extensions again
<fragmachine> ok awesome
<drbrain> ruby uses the same C compiler it was built with to build extensions
<drbrain> since gcc moved ruby is probably confused
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<fragmachine> still getting errors "rvm requires autoreconf to install the selected ruby interpreter however autoreconf was not found in the PATH."
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<drbrain> ugggh
<fragmachine> I swear ever since I upgraded Xcode nothing works easily
<drbrain> so, the latest Xcode removed autoconf (and autoreconf) so you have to install it through brew
<bnagy> *ports
<bnagy> :>
<drbrain> or macports or whatever you prefer
<fragmachine> ok I'll give that a try
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<drbrain> fragmachine: looks like `brew install autoconf` should do it
<any-key> homebrew is nice, but it's still not as mature package-wise
<any-key> awesome, never mind then
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<fragmachine> It looks like it's installing ok
<drbrain> before the latest Xcode it was over in homebrew-alt
<fragmachine> ok ruby installed no problems
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<any-key> yay
<fragmachine> :)
<any-key> now go make us proud
<any-key> the ruby world awaits
<fragmachine> fingers crossed for the gems...
<fragmachine> I get the same error trying to install rb-appscript "make: gcc-4.2: No such file or directory"
<fragmachine> its still looking for the old one for some reason
<drbrain> o_O
<drbrain> or the PATH changes somehow
<drbrain> you might need to ask in #rvm
<any-key> open up a new terminal and try again
<fragmachine> Yea I'll head over there and see if anyone can figure it out
<fragmachine> thanks for your help though!
<any-key> can't hurt, and it can solve odd issues
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<erikh> drbrain: still around? have you messed with libproc at all?
<erikh> it appears to be the way(tm) to get detailed process info on OS X 10.5+
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<cj3kim> hi
<cj3kim> How does one save ruby variables from an i/o to a file and read them for the next instantiation of the program?
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<bnagy> many ways, but maybe yaml?
<z3r00ld> thats right, i usually create my own dl, too easy to handle if its just few variables, otherwise yaml is your solution
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<cj3kim> ah, okay
<cj3kim> thanks for respsonding : ]
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<michael_mbp> a little bit cleaner https://gist.github.com/2396961
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<bnagy> eh? do stuff if errors.any?
<bnagy> only one person can sign up per household, huh? :)
<bnagy> wow TIL I really hate whatever web framework that code is for
<yorickpeterse> smells like rails
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<bnagy> to be fair, from what's there I'm only hating the ORM
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<michael_mbp> erikh: you about mate?
<michael_mbp> and drbrain
<erikh> kind of
<michael_mbp> found some decent docs on this http://api.rubyonrails.org/classes/ActiveSupport/Concern.html
<michael_mbp> they ain't wrapped the scope in that first example within base.instance_eval as that's redundant
<michael_mbp> anyways, the Concern module looks like a better means as it resolves module dependencies...
<erikh> oh man, that's a bit out of my element
<michael_mbp> ah no worries, thanks for helping me though :)
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<Xzyx987X> hmm... is there no simple direct method to change the time zone of a ruby Time object? I can't seem to find on anywhere I look
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<bnagy> dunno, I guess I'd do time.getutc + newoffset
<bnagy> I mean a time object is basically an int in fancy clothes, so I don't think 'changing' anything about it is a useful way of thinking about it
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<Xzyx987X> well, in this case I need the actual time object to get changed so that when I can time.utc_offset later, I get the correct value
<bnagy> s/int/numeric/whatever
<Xzyx987X> I could keep track of it seporately, but it would be cumbersome and unnecessary since the time object already has the functionality
<bnagy> not sure why you need to 'change' an object to do that
<Xzyx987X> well, strictly speaking I don't, but it just seemed strange that I couldn't
<bnagy> like I said, think of it as a number
<Xzyx987X> time objects seem to keep track of the utc offset independantly of anything else, so it seems weird there wouldn't be a way to change it
<bnagy> you can't change 3 into 4
<bnagy> a=3; a+=1
<bnagy> I am at utc+7, right, so Time.now.getutc + (7 * 3600) => 2012-04-16 15:12:13 UTC
<Xzyx987X> actually, the utc offset is an independant part of of a time object. has nothing to to with what the actual integer value of a time object is
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<bnagy> I didn't say it did, I just said that you should think of it that way :)
<Xzyx987X> You can do Time.now += 3600, and the utc offset remains the same
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<Xzyx987X> one option that would create a new time object I saw was: Time.parse(Time.now.strftime('%Y-%m-%d %I:%M:%S UTC'))
<Xzyx987X> it seemed simple enough, but it doesn't work correctly if you change the time zone
<bnagy> why on earth would you do that?
<Xzyx987X> well, it was the first thing that came up on google that seemed like it would actually do what I wanted
<bnagy> if you want current UTC do Time.now.getutc
<bnagy> or probably Time.utc
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<Xzyx987X> I would do that because: Time.parse(Time.now.strftime('%Y-%m-%d %I:%M:%S +01:00'))
<Xzyx987X> but, that doesn't work, it just ends up creating an object with the local time zone
<bnagy> wait what do you want to so?
<bnagy> see the time in UTC+1 ?
<Xzyx987X> no, I want to keep track of what time zone the time was originally in
<Xzyx987X> I don't actually want to change the value of the time
<bnagy> well you can always get the timezone by subtracting utc from local, no?
<bnagy> you're confusing me, you keep changing what you want :)
<Xzyx987X> right, but then you need to keep track of two things instead of one
<Xzyx987X> you need to always know the time zone offset of the time object, plus the time zone offset the time object actually contains is wrong
<bnagy> you don't need to know the offset to convert it to a new timezone
<Xzyx987X> you don't?
<bnagy> time_in_outer_frickin_mongolia.getutc + 3600 # Now I'm in Paris, biatch!
<Xzyx987X> you used a time zone offset in that example...
<bnagy> yeah the new one
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<bnagy> I don't need the old one
<bnagy> but to convert to something you need to know what you're converting to :>
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<Xzyx987X> ...ok, lets make this simple. I don't care how it is accomplished, but I need a way to make a Time object give me the correct value when I call utc_offset
<Xzyx987X> and the correct value is: 3600
<bnagy> and what is the 'correct value'? Cause the way I look at things it always will
<Xzyx987X> for example
<Xzyx987X> the correct value is always 3600 in this example
<Xzyx987X> how do I do it?
<bnagy> like if it's an outer mongolia time it will give you mongolia_offset * 3600
<bnagy> your question makes no sense at the moment
<bnagy> you want #utc_offset to always return 3600? :P
<Xzyx987X> well, I want a function to return a specific value, how do I make that happen?
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<Xzyx987X> how is that complex?
<bnagy> it's not, it's just insane
<bnagy> if you always want X just use X as an immediate
<Xzyx987X> ok, let me add a requirement: you are not allowed to change or replace the existing utc_offset method in any way
<bnagy> that's fine, but your original requirement is ... unclear
<bnagy> is it like times.map {|time| 3600 #sucka!} or what?
<Xzyx987X> you create a time object, that time object returns 3600 when you call the method utc_offset
<Xzyx987X> you can't change or replace the utc_offset method
<Xzyx987X> how?
<bnagy> paris_appointments=appointments.map {|time| time.getutc + 3600}
<bnagy> easy
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<Xzyx987X> did time.getutc return 3600?
<bnagy> old_time_obj=(class Stupid;def utc_offset;3600;end;end).new
<bnagy> you're basically babbling, sorry :/
<Xzyx987X> you messed with utc_offset
<bnagy> I didn't, actually, I swapped out the whole class for a new one :)
<Xzyx987X> I tried to explain what I was actually doing before, but it wasn't getting me anywhere...
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<bnagy> don't take this the wrong way, but you seem to be suffering from two common issues
<bnagy> asking the question you think you want instead of the real question
<bnagy> and not listening
<Xzyx987X> ok, let's put it this way, every time object has a utc offset, correct?
<bnagy> let's play a different game
<Xzyx987X> ...
<bnagy> you provide a use case and a requirement and we provide code
<bnagy> cause 'make an object's method return a random value, but you can't replace the method' is not useful
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<Xzyx987X> I think you are completely misunderstanding why I am even asking this question...
<bnagy> how could I? You haven't explained it.
<Zolrath> From what I can tell
<Xzyx987X> could I do what I'm doing without using a time object? of course I could
<Zolrath> hes trying to change the timezone of an object
<Xzyx987X> I don't need you to tell me how to do that
<Xzyx987X> I need to know how to change the timezone of a time object
<Xzyx987X> or if you even can
<Xzyx987X> that's all I care about
<Xzyx987X> if I can't, I'll do what I want a different way
<Zolrath> I'd say just store the time as utc and apply timezone offsets as necessary when outputting for specific regions
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<Xzyx987X> well, the basic implementation I have is that I am running a server that keeps track of users, and knows there default time zone
<Xzyx987X> I want user.time to return an object with the users local time
<Xzyx987X> that much is easy, I have already done it
<Xzyx987X> but said time object still has an incorrect time zone value
<Xzyx987X> if I try to check it later, it will be wrong
<bnagy> just store the timezone, and then use Time.now + user.timezone
<Xzyx987X> it's technically not something that can't be worked around, but say you wanted to have the time zone in the time object be accurate, could I do it?
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<Xzyx987X> I'm already storing the time zone, I just said I was
<Xzyx987X> I'm trying to simplify some code by having the time object keep track of the time zone on it's own
<bnagy> :S all time objects keep track of their timezones, dude
<Xzyx987X> bnagy: you are really not being very helpful. I don't know why you are not understanding me, but I really don't think what I'm saying is that unclear
<bnagy> :)
<bnagy> write a minimal code exampe, put it on gist / pastie
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<bnagy> with the values you expect and the values you're getting
<Xzyx987X> you want to know what is really confusing me? code: Time.parse(Time.now.strftime('%Y-%m-%d %I:%M:%S -0000'))
<Xzyx987X> result: time zone on object is UTC
<bnagy> ... why would it not be?
<Xzyx987X> code: Time.parse(Time.now.strftime('%Y-%m-%d %I:%M:%S -0100'))
<Xzyx987X> result: time zone is local time zone
<Xzyx987X> Time.parse(Time.now.strftime('%Y-%m-%d %I:%M:%S -0200'))
<Xzyx987X> result: time zone is local time zone
<Xzyx987X> what is up with that?
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<Xzyx987X> I couldn't even find documentation for Time.parse, so I have no idea why it doesn't work
<Xzyx987X> if those examples could be made to work, I would be happy
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<bnagy> well I don't even have Time#parse :)
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<bnagy> but luckily I would never try to do whatever you're trying to do with a useless call to parse Time.now
<Xzyx987X> well, that's weird. I'm not even sure where I got it from
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<bnagy> could be old
<Zolrath> You need to require 'time' to get Time.parse
<Xzyx987X> Time.now is just so you can get a time object for testing purposes. it doesn't matter if it does anything useful
<bnagy> or it could be...yeah what he just saud
<Zolrath> If you're dead set on creating a time object with the timezone in it instead of storing it as UTC
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<Xzyx987X> technically, I am storing them in utc
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<Zolrath> You really should just store it as UTC and then provide the offset based on the users timezone setting when displaying it.
<Zolrath> If you want to display the time to another user, or if the original user moves and changes their timezone
<bnagy> 16:30 < bnagy> just store the timezone, and then use Time.now + user.timezone
<Zolrath> The result will still be correct. If you store set it in the time object itself and do no correction based on the user then you're just storing incorrect data
<bnagy> %|
<Xzyx987X> yes, I am aware that is an option. that was never the point. the point is I wanted to try doing it with the time object, and I wanted to know if it was actually possible
<Xzyx987X> and I can't seem to get a straight anwser
<Zolrath> You can create a time object with a specific timezone with Time.new(2012,6,21, 13,30,0, "+09:00")
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<Xzyx987X> wrong number of arguments (7 for 0)
<bnagy> ok, afaict the offset is not an instance variable
<Zolrath> What version of ruby are you using?
<Xzyx987X> yea... I am on 1.8.7
<Zolrath> stop that
<Zolrath> haha
<bnagy> so it's not like you can just instance_variable_set
<bnagy> in other words, no, I do not think the bizarre thing you are trying to do is easily possible except for monkey patching a method, which you said you didn't want to do
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<bnagy> basically this conversation has been like
<Xzyx987X> actually, Time.utc seems to do exactly what I want... now that I look at it
<bnagy> you: my car won't start, it's the spark plugs, how do I change them
<bnagy> us: it's the battery
<bnagy> you: whatever, how do I change the spark plugs
<Xzyx987X> I must've missed it the first time I sifted through the documentation
<bnagy> us: it's the battery
<Xzyx987X> it wasn't clear
<bnagy> you: ok fine, it's the battery. How do I start it without touching the battery or attaching jumper cables?
<Xzyx987X> and then I figured out how to do what I was asking if I could do the whole time, and it was really simple and straightforward and not circuitous at all, rendering your point moot.
<bnagy> :) seriously, we're (I am) trying to help, nobody is paying us to be here
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<Xzyx987X> I know you are not being paid, but you still led me around in circles for an hour regarding something that actually wasn't that difficult or complex
<bnagy> sigh
<Xzyx987X> you could have just said: I don't know
<Xzyx987X> or not said anything at all
<Xzyx987X> those were options
<bnagy> . o O ( think of the karma... )
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<Xzyx987X> ok, this is somewhat interesting. it would seem like on my copy of ruby 1.8.7 the isdst and tz parameters of the Time.utc method don't actually do anything
<Xzyx987X> same for Time.local and Time.gmt
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<mikkelb> Hey!
<Xzyx987X> I give up on this, but could someone confirm that they also don't work on their copy of ruby?
<andrewvos> Xzyx987X: I could execute some code here
<Xzyx987X> ok, try this:
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<Xzyx987X> time = Time.now.utc
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<Xzyx987X> Time.utc(time.sec, time.min, time.hour, time.day, time.month, time.year, time.wday, time.yday, true, "UTC").dst?
<Xzyx987X> should be true if it worked correctly, false if it didn't
<bnagy> utc doesn't have dst
<manveru> is utc permanently dst? :P
<Xzyx987X> usually it would never be true for a UTC time, but my code sets the dst value of the time object it creates to true regardless
<Xzyx987X> or at least it should
<Xzyx987X> otherwise why is the parameter even there?
<matti> manveru: ;]
<manveru> don't think i've ever gotten Time to respect the timezone without parsing
<rue> HI
<Xzyx987X> yea, I tred that earlier. that also didn't work
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<Xzyx987X> either way, ruby just seems to ignore the last two parameters of the Time.utc method. it doesn't matter what you set them to, it does nothing
<manveru> >> Time.new(*Time.now.to_a[0..-5].reverse, '+09:00')
<manveru> => 2012-04-16 11:38:03 +0900
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<Xzyx987X> I'm sure that works on 1.9, but I'm talking 1.8.7 here
<Xzyx987X> Time.new doesn't even have parameters on 1.8.7
<manveru> hehe
<manveru> well, why would you use 1.8?
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<Xzyx987X> I have a lot of code that was written before 1.9 was stable for one thing
<rue> Before stable you just had to fence them in
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<erikh> uggggh
<erikh> rue, the pun machine
<rue> Endless amusement
<erikh> now I'm going to bed.
<rue> I thought you were already up
<rue> I should probably go soon too
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<andrewvos> bwahahaha
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<rue> Hää
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<yorickpeterse> ha
<yorickpeterse> Very true
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<ARTIsshoque> Hello! Can you help me with some song? I don't speak English as well as you, so I can't understand what word is in one of songs. "The music's down, th lights are ..." Something sounds like "deam" or "dean" and I can't guess what it is. Please help me, it's very important for me. Sorry for offtopic.
<manveru> ARTIsshoque: dim?
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<ARTIsshoque> Oh thank you very very very much!
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<manveru> !next
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<ddfreyne> well, that was odd
<ddfreyne> manveru: dim is so visual basic
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<workmad3> ruby-lang, the new place for english lessons
<bnagy> can't hurt, given the recent level of reading comprehension
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<shevy> readin enlih is hardr thn writng eglish
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<rolfb> shevy: desagre
<shevy> hmm you are right
<shevy> yoda also knows no english
<rolfb> :)
<shevy> difficult not english is
<rolfb> yoda is easy to parse
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<shevy> parse easy to is yoda
<bnagy> pssh
<bnagy> yoda english easily parse can
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<michael_mbp> how does Array[0..20] work?
<andrewvos> michael_mbp: [] is a method on Array
<michael_mbp> ah thought as much
<michael_mbp> how can I send […] to an object?
<michael_mbp> obj.send(:[], 0..20) ?
<michael_mbp> obj.send(:[], 0, 20) ?
<michael_mbp> let me try
<michael_mbp> nice.
<canton7> it's lovely when problems solve themselves...
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<andrewvos> Hmmm, has anyone made a custom matcher for capybara?
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<andrewvos> Wondering if there is a nice way to include this in the Node class https://gist.github.com/2399600
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<stephen> hi
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<padstow> I'm trying to test a method that results in some text on stdout; my method returns this as an array; I want to assert that the arrau contains a value that matches a regex; other than write code that iterates over the array, testing each element, is there a tidier approach?
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<andrewvos> Right fuck that I give up. Capybara code makes my brain hurt.
<bnagy> padstow: and then again, in english!
<padstow> hah
<padstow> ok! I have a method that runs some commands on a unix machine; i care about the output taht appears on teh screen.
<padstow> my method captures the output, and returns it as an array, on element for each line of output
<bnagy> code (or gtfo)
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<bnagy> but, frankly, sounds like it is premature optimisation
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<padstow> bnagy: not optimization - i want to test that the output is expected; i can do that by iterating over each element of the array and asserting that the element matches
<padstow> but that feels clumsy
<padstow> i am wondering if tehre's a better way
<bnagy> uh.. I do this stuff with 'expect' :/
<padstow> i'm using rspec
<bnagy> also I am drunk as a monkey sorry
<padstow> hah, ok :)
<bnagy> but it looks like you're writing your shell scripts in ruby
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<shevy> that is good!
<shevy> more ruby, less shell!
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<erikh> drbrain: ze patches boss, ze patches!
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<shevy> hmm anyone knows if it is possible to use a colourized prompt, via Readline, where the colours are constantly changing? like a disco prompt!
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<erikh> not without really making it hard to type
<erikh> but yes, you could \r\e[asdfasdfm;
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<erikh> where asdfasdf is a color code
<shevy> cool, going to give that a try.... Disco fever! \o/
<erikh> we used to make animated signatures on BBS systems
<erikh> little spinners and so forth that would print out our name
<erikh> you'd program them in and hit a fkey to add them
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<shevy> hehe
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<zenspider> wtf
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<zenspider> oh. dur.
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<zenspider> yay! :arglist is dead! :scope is next!
<zenspider> rawr
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<TTilus> ?
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<zenspider> I'm finally taking an axe to my least favorite nodes in ruby_parser... major changes coming
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<zenspider> 57% through removing scope and block nodes from class/sclass/def/defs nodes
<zenspider> thank god for emacs' paredit mode... a bit wonky in ruby but still absolutely great for these types of edits
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<TTilus> you rock!
<TTilus> and so does paredit
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<robgleeson|mba> 57%, how precise :P
<zenspider> done! now... "just" 134 failures to fix :/
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<zenspider> robgleeson|mba: emacs
<TTilus> two significant figits, the emacs procision
<robgleeson|mba> I think I found the most awesome OSX feature: if you make your system unbootable(no disk to boot from, no CDs, nothing) it can do a internet recovery.
<robgleeson|mba> re-install Lion over the wire.
<robgleeson|mba> that is truly awesome.
<TTilus> s/fig/dig/
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<zenspider> holy shit. 40 to go. I love good design
<fowl__> robgleeson|mba, your mac cant handle your leetness
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<robgleeson|mba> fowl__: more like my stupidity, overwrote the boot loader by mistake :p
<zenspider> robgleeson|mba: how did you do that??
<TTilus> robgleeson|mba: if your mac cant boot, how do you boot it to do inet recov? and where does it boot from after the recov?
<zenspider> TTilus: it'll do a netboot from apple
<robgleeson|mba> zenspider: installing FreeBSD, I had refit on one partition but totally forgot about it when I was installing FreeBSD.
<TTilus> robgleeson|mba: ah, you mean you _do_ have a disk but it is in unbootable state
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<robgleeson|mba> yeah, I have a disk, just can't boot from it.
<robgleeson|mba> but in 1 hour & 3 minutes I will be able to. ;)
<zenspider> robgleeson|mba: next time you MAY be able to recover the whole thing data and all with pdisk
<zenspider> do the netboot, but then drop to terminal
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<Asher> anyone familiar with cookie security? I'm curious how one secures the session id - even if it is stored encrypted in a cookie, it seems like unless the whole site goes https that the encrypted cookie can be sniffed and then used as-is, since the server has to decrypt the cookie…
<robgleeson|mba> I'm going to try again, but this time I'll be careful not to nuke the refit partition.
<Boohbah> Asher: yes, that would be session hijacking
<Asher> ie you can prevent the user from knowing what the session ID is by encrypting it, but the encrypted ID is all that is needed to verify
<Asher> i'm clearly missing a step in the logic here to prevent that
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<Boohbah> Asher: this is rails-specific, but it might help :)
<fowl__> Asher, you make them log in anyways and give them a second session cookie then you just invalidate it when the ip changes or when you feel like being a dick
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<Asher> fowl__ - not sure that solves the problem i'm outlining tho
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<Asher> so it looks like the only answer is use https
<Asher> is that right?
<manveru> Asher: yes
<fowl__> you can tell the difference between two machines with the same cookie cant you
<Asher> fowl__ - not reliably
<Asher> machine2 could spoof machine1's identity pretty easily
<manveru> well, usually you check for some stuff like ip, but that's really not very useful
<Asher> yea that can be spoofed as easily as the rest
<Asher> so is it considered acceptable practice to always use https?
<manveru> https is the only way to prevent firesheep exploits :)
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<slyphon> yeah
<manveru> if you only use cookies to store stuff like their favorite font... then you don't need https :)
<slyphon> you only set the cookie over HTTPS, use secure=true
<slyphon> make sure it's encrypted
<slyphon> include an HMAC
<slyphon> or use google and find some rails plugin that does all that shit for you :)
<manveru> Rack::Session you mean :)
<slyphon> (which is what I usually do)
<slyphon> ah yes, that
<Asher> manveru - i'm only using the session to store the ID of the session
<slyphon> or, skip google and find manveru
<manveru> Asher: likewise
<slyphon> why are you not using cookie store?
<slyphon> too much data in the session?
<manveru> slyphon: makes requests big
<slyphon> ehhh
<Asher> i have my own session class i've written that stores a stack of session IDs only
<slyphon> ok, but then you have more load on the backend
<Asher> i'm just thinking about how to best integrate it with my framework to prevent hijacking
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<manveru> slyphon: well, i prefer that way so i never have to think about it
<zenspider> 0!
<zenspider> rawr damnit
<slyphon> Asher: only use HTTPS to set the cookie, use RC4 with some ENORMOUS salt to encrypt the cookie, add an HMAC to make sure nobody tampered w/ said cookie
<manveru> oO
<Asher> manveru - so you're saying in the case of storing a session ID then use https all the time?
<slyphon> manveru: no?
<Asher> i don't think you can do only cookies over https
<zenspider> or... go do some research instead of relying on IRC "experts"
<Asher> can you?
<manveru> not that i know of
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<Asher> zenspider - i've done research i was looking for other input before doing more...
<slyphon> zenspider: hey, buddy, i had to spend 20 minutes studying to get certified in "security" for Hewlett Packard!
<zenspider> exactly
<slyphon> zenspider: you betta recognize
<manveru> hehe
<slyphon> ok, it was probably more like 45 minutes
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<slyphon> or, you just make your security policy so onerous that nobody wants to use your site
<manveru> well, HMAC is fun, but what do you do when someone tries to make their own cookie? ban them?
<slyphon> um
<slyphon> that's the point of an HMAC, no?
<slyphon> "This is not what they say it is"
<manveru> yeah
<manveru> i only worry about stolen cookies
<zenspider> thank god... this is sooo much cleaner.
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<zenspider> so now, instead of s(:call, recv, meth, s(:arglist, ...) it's just s(:call, recv, meth, ...)
<slyphon> zenspider: context?
<zenspider> and s(:class, name, super, s(:scope, s(:block, ...))) is s(:class, name, super, ...)
<zenspider> soooooo happy
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<slyphon> zenspider: ParseTree ?
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<zenspider> ruby_parser, but yeah
<slyphon> nice
<zenspider> PT will diverge in compatibility at this point.
<zenspider> RP 3+ will be cleaner and 1.9 compatible
<TTilus> that sure looks cleaner
<zenspider> I _think_ all my tools should still Just Work(tm) with the new parser format
<zenspider> since they largely ignored scope/block
<zenspider> I'll have to poke at arglist
<TTilus> :)
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<TTilus> zenspider: i can comprehend the :arglist but why :scope and :block were there in the first place?
<zenspider> TTilus: implementation details really
<zenspider> inherited from PT, which reflected what was internal to ruby
<TTilus> ok
<zenspider> scope means a variable scope wall... block just grouped expressions
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<zenspider> in ruby, a NODE has only 3 slots, so they couldn't cleanly do a splatted array... just linked lists
<TTilus> ah, that explains more
<slyphon> i would like to buy the guy that wrote the ctrl-p vim plugin a beer
<TTilus> and scope is self explanatory, but the block was more shady
<zenspider> slyphon: what does it do?
<slyphon> it's like icicles for emacs, but minus the large quantities of acid
<zenspider> hah
<zenspider> I won't touch icicles (or anything that guy writes) with someone else's 10 foot pole
<slyphon> fuzzy completion that works pretty well, plus like 3-4 other smart features
<slyphon> oh yeah?
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<slyphon> it's pretty fucking insane
<erikh> supertab is nice for vim
<slyphon> he's the kind of guy that has theories about completion
<erikh> hehe
<erikh> "theory of patches"
<erikh> I still find that hilarious.
<slyphon> oh man
<slyphon> yes
<slyphon> fuckin' darcs
<TTilus> u mean the darcs thing
<slyphon> the perfect introduction to Haskell
<slyphon> "Really interesting in theory"
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<slyphon> "In practice has at least one O(n**n) bug"
* TTilus used darcs long time
<zenspider> slyphon: hah. exactly
<TTilus> it was my first touch to dvcs
<slyphon> yeah, it was an improvement over arc
<slyphon> but, if two people changed whitespace, you spent all weekend merging then failing
<TTilus> havent used since i learned about git
<slyphon> yeah
<slyphon> people who use hg confuse me
<TTilus> how come?
<slyphon> i mean, there's git...
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<slyphon> why would you want git but implemented in python
<slyphon> it just seems unnecessary
<zenspider> I've not used hg... but everything I've heard says it is like git except it isn't retardedly insane
<zenspider> real ux to the tools
<lianj> if there was reliable git-hg i wouldnt care
<zenspider> is that not the case?
<slyphon> i have not had a problem with git being insane
<TTilus> would you get wet over git in ruby?
<TTilus> i would :)
<slyphon> i mean, i'm trying to use it to manage source code, so maybe it's that
<TTilus> at east a little bit
<zenspider> what do you care what it is written in?
<erikh> TTilus: grit
<zenspider> slyphon: I find git to be highly unusable
<erikh> gem install grit.
<slyphon> i dunno why
<slyphon> i mean, you used perforce, ffs
<slyphon> which i wouldn't use if you paid me
<erikh> ha
<zenspider> use
<slyphon> which is a true statement, because i work at a place that uses perforce, and refused
<canton7> zenspider, if you need a hand with git, hop over into #git. We're a friendly bunch
<slyphon> because it's totally fucking insane
<slyphon> no
<slyphon> no, i take that back
<zenspider> canton7: the fuck you are
<slyphon> it's ancient and crufty and *locks the fucking working copy*
<zenspider> that channel is the largest community antipattern outside of python I've ever seen
<slyphon> HA!
<TTilus> erikh: ha!
<slyphon> yes
<slyphon> it's a shame what happened to #python
<slyphon> back in like, 2005 it wasn't so bad
<erikh> you guys haven't been to ##c, I see.
<canton7> zenspider, heh, have it your way. Feel free to PM me in that case :P
<zenspider> canton7: obviously not a stab at you at all... I don't think we've ever conversed before
<zenspider> slyphon: honestly, I love that it locks the working copy (which is just an option ya know)... it forces people to TALK... *gasp*
<zenspider> sorry... encourages
<slyphon> ha
<zenspider> there will always be some asshole who won't talk
<slyphon> yeah, that's the pattern they picked at this place
<slyphon> the "Absolute Asshole" pattern
<slyphon> you have to go beg Gozar the Key Master to unlock your shit so you can checkin
<zenspider> that's not the tool's fault
<slyphon> anyway, fuck perforce
<slyphon> ;)
<slyphon> i mean, it's like SVN, but you *pay for it*
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<slyphon> sign me up!
<zenspider> slyphon: it's free for open source dev... I've been using it this way for 10 years
<zenspider> and it is a shit ton better than svn. sorry. as much as they've improved they'll NEVER catch up to perforce
<zenspider> git merges still look primitive in comparison
<zenspider> irony... flog can't flog flog
<slyphon> zenspider: there's a certain *additional* "fuck you" aspect to saying 'patches accepted' when you're rockin perforce
<slyphon> i'll grant you that
<slyphon> "Go ahead, try to set your view"
<TTilus> does perforce do good job merging?
<slyphon> job merging?
<zenspider> funny... I work in perforce all day every day and I get patches all the time
<slyphon> zenspider: yes, and we all secretly hate you for it
<zenspider> TTilus: it's excellent
<zenspider> :P
<slyphon> zenspider: *hugs*
<TTilus> zenspider: how does it do merge tracking, i mean, does it have the same insanity than svn?
<zenspider> first off... they take an explicit stance on: hey... let's not corrupt a file
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<TTilus> zenspider: that you rly dont have the tree history
<zenspider> TTilus: yes, but it's all internal to the server
<zenspider> you just say merge X to Y and it figures it out
<slyphon> unless it doesn't
<TTilus> =D
<slyphon> i'm kidding
* slyphon stops trolling zenspider
<slyphon> perforce is used by large game companies, as it handles binary files excellently
<slyphon> which git doesn't
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<slyphon> google uses it
<mmlac> why does fork return a PID that is 1 lower than the system pid?
<zenspider> conflicts and possible conflicts don't touch your files. you then resolve each one ... it doesn't fuck up your files with >>> corruption
<slyphon> i mean
<zenspider> mmlac: does it? I've never noticed that
<slyphon> system pid?
<mmlac> kill -9 $id
<mmlac> it is one higher than the ruby int fork returns
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<TTilus> mmlac: it is?!
* slyphon boggles
<slyphon> what?
<zenspider> I've never seen that
<slyphon> what's $id?
<mmlac> id = fork do ....
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<linless> maybe your OS has an off-by-1 bug lurking...
<slyphon> ok, but what's "system pid"?
* linless giggles
<mmlac> pgrep
<mmlac> the external kill still triggers the ruby code though...
<zenspider> ruby -e 'p fork { puts `ps auxww | grep ruby` }'
<zenspider> shows otherwise
<slyphon> zenspider: ruby -e 'p fork { puts `ps auxww | grep ruby|grep -v grep` }'
<mmlac> ruby -e 'p fork { puts `ps auxww | grep ruby` }'
<mmlac> 11988
<mmlac> mmlac 11993 0.0 0.0 2435120 432 s004 R 2:54PM 0:00.00 grep ruby
<mmlac> mmlac 11989 0.0 0.0 2435544 768 s004 S 2:54PM 0:00.00 sh -c ps auxww |
<zenspider> if I cared I'd use grep [r]uby
<slyphon> hah
<mmlac> +1
<slyphon> uh
<mmlac> oh ruby itself owns the 88..
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<slyphon> what difference does that make?
<mmlac> I cannot do system("kill #{pid}"). Can I kill the process in ruby?
<slyphon> there was no process that ran between forking ruby from bash and forking the sub-process
<mmlac> thanks. Gotta try that out
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<mmlac> How do I implement this: I fork some stuff and the parent process should run and listen for SIGINT. Then it shuts down the fork processes and quits itself
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<zenspider> pretty much exactly how you described it
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<mmlac> zenspider: can I puts when catching the SIGINT?
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<zenspider> I dunno... did you try?
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<mmlac> because it is apparently doing the routing and kills the threads but just throws that:
<mmlac> ^Cstart.rb:76:in `wait': Interrupt
<mmlac> from start.rb:76:in `<main>'
<zenspider> ruby -e 'trap :INT do puts "happy" end; sleep 5'
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<mmlac> hm :/ works there
<zenspider> or: ruby -e 'begin sleep 5; rescue Interrupt; puts "happy"; end'
<shevy> lol "happy"
<mmlac> hm, caught wrong sig. thanks... *blind*
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<mmlac> does it propagate the SIG to the forks? -_-
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<zenspider> I DUNNO... DID YOU TRY?
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<mmlac> looks like it... thanks
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