fflush changed the topic of #ruby to: Ruby 1.9.3-p194: http://ruby-lang.org || Paste > 3 lines of text on pastebin.com
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<tbrock> guys?
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<Axsuul> Hmm, is there a return statement for blocks?
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<rafacv> @Axsuul: blocks returns the evaluation of the last expression, you can use return keyword if you make it a lambda
<Axsuul> rafacv: gotcha thanks
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<wwoodrum> hey guys
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<wwoodrum> pretty easy question for you guys, but for me not so much.
<wwoodrum> how can i get out of a loop when a user types "exit"
<falieson> poo lets see if i can start contributing!
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<falieson> if a == "exit" then break end
<falieson> wwoodrum:
<wwoodrum> kk can i doif a == "exit" then break end
<wwoodrum> can i put a print before the break?
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<cirwin> is it ever helpful to do something like at_exit{ file.flush; file.close } ?
<cirwin> (I have a file I cant' keep open just inside a block; so not sure what to do with it)
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<falieson> wwoodrum: you certainly can, just put it on multiple lines
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<falieson> wwoodrum: and you don't need the \n at the beginning of each puts, it already creates a new line
<bassclef> anyone have a good example of parsing json data? https://gist.github.com/3824177 I'm getting a can't convert nil to string error seen in the gist https://gist.github.com/3824177
<falieson> wwoodrum: also look into case -> http://www.skorks.com/2009/08/how-a-ruby-case-statement-works-and-what-you-can-do-with-it/ similar to "switch" in other languages
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<cirwin> bassclef: your authenticate function returns nil
<cirwin> you probably want it to return response.body
<bassclef> yes
<bassclef> i do
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<Spooner> No, your last line is a puts, which returns nil.
<bassclef> ohhh
<Spooner> Remove the puts and you are OK.
<bassclef> i see what i did
<bassclef> heh yea i was looking at an example
<bassclef> when i wrote that
<bassclef> woops
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<Spooner> Or, rather, add response.body after the puts.
<bassclef> thanks :)
<Spooner> wwoodrum : If you want a one-liner, then better to use: break if a == "exit" (rather than: if a = "exit" then break end)
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<bassclef> thanks guys!
<bassclef> or gals
<wwoodrum> kk thanks still working on it! ty so much
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<Spooner> There is a lot of repetition yet in that code, wwoodrum
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<wwoodrum> problem solved. thank you guys
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<Spooner> wwoodrum : Also, brackets around if condition and ; are completely superflous in Ruby.
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<chrxn> are you coming from perl, wwoodrum ?
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<wwoodrum> nah jsut poor at coding
<Spooner> It is just that the code shows clear signs that Ruby isn't your first language.
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<Boohbah> wwoodrum: you have a lot of redundant to_i's in there
<scx> i have stupid question
<scx> is it vaild?: next if myline =~ /^\s*#/
<scx> i mean that reg exp
<falieson> Spooner: do you mind if I show you what chrxn put together and get your input?
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<bperry> scx: yes the regex is semantically valid
<bperry> what are you expecting to match it that isn't
<Spooner> scx Yes, but whether it does what you expect is another thing.
<scx> it work when LC ALL is Latin-2, but fail when UTF
<Boohbah> scx: http://rubular.com/
<scx> i get error:
<scx> invalid byte sequence in UTF-8 (ArgumentError)
<bperry> scx: myline.force_encoding('UTF-8') perhaps?
<bperry> or something like that
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<scx> bperry: this file is Latin-2,
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<scx> source file is latin-2 too (have line: # encoding: iso-8859-2)
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<scx> is it possible to load ruby file/class, overwrite one method and then run it?
<Spooner> : Yes.
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<scx> i mean, for example: class A have 5 methods: one, two, three, four, five(); i want to replace three()
<scx> how to do that?
<nat2610> what kind of structure is https://gist.github.com/3824298 ? (I took it from http://simile-widgets.googlecode.com/svn/timeline/trunk/src/webapp/examples/test_example3/test_example3.html ). I'm basically generating in ruby the data for my <script> but if I display a json from my hash, it escapes the quotes and I end up with something that javascript doens't understand
<Spooner> YEs, just "reopen" the class and write a new version.
<Spooner> nat2610 : Looks like JSON to me.
<Spooner> scx class A; def three; ...; end; end
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<nat2610> Spooner: >> { "a" => "b"}.to_json => "{\"a\":\"b\"}"
<nat2610> how can I avoid the \ ?
<Spooner> Yes.
<Spooner> Those aren't "\" charactes.
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<nat2610> they are when I print my data
<Spooner> Those are \" characters (that is an actual " put inside a string delimited by ")
<scx> Spooner: others methods will work as in old class?
<Spooner> puts "\"hello\"" # prints => "hello"
<Spooner> puts "hello" # prints => hello
<Spooner> scx Yeah, you are just "monkey-patching" the class, not recreating it.
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<scx> Spooner: ok, thanks
<Spooner> nat2610 : Getting what I'm talking about? Just the same as a string that is "frog\n" doesn't have an actual slash in it?
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<swarley_> wat
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<Spooner> Yes wat.
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<phar0e> Hello Ms. Ruby ^_^
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<bassclef> can anyone tak e alook at this and see what i'm doing wrong? https://gist.github.com/3824375 undefined method 'bytesize' for #hash i can't see it!
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<bassclef> that's what my json is based on the top example
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<Spooner> bassclef : But where is the error line? Probably somewhere deep in someone else's code.
<Spooner> Oops, I saw the error at the bottom. Sorry!
<bassclef> np
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<Spooner> Incidentally, you probably shouldnt' use @ivars rather than CONSTANTS, if you want values visible inside your methods.
<Spooner> Or pass parameters.
<Spooner> But sadly I haven't a clue about your actual problem :$
<bassclef> hehe
<bassclef> so @auth_token
<bassclef> should just be auth_token you're saying?
<Spooner> No, AUTH_TOKEN
<Spooner> Or just use parameters. Using @ivars in the outer scope is a bit ack.
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<bassclef> word thanks
<Spooner> Anyway, realised that bytesize is a method on String, not Hash. You are passing aHhash when it wants a String (forgot to use #to_json ?).
<bassclef> ahhh yes!
<bassclef> thanks
<bassclef> i did
<Spooner> auth_token would be a local variable, so would not be visible inside the method.
<bassclef> yep i figured that part out
<bassclef> WOOT!
<bassclef> thanks spooner that was it
<bassclef> it worked
<bassclef> :D
<Spooner> @user and @pass could be constants or locals, of course.
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<Spooner> I would organise a bit to have your constants at the top, then methods, then actual code (that calls your methods). Bit messed up there.
<Spooner> Also, if you put the server/user/password in a YAML file, you can happily paste the code without worrying about giving away trade secrets.
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<Spooner> I should collect all the secret passwords and access keys that have been pasted in this channel by mistake ;)
<Spooner> I could rule the world! The whole, wide world!
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<scx> how to include ruby source file (load without executing)?
<scx> is it possible?
<Spooner> Loading code without executing it isn't possible (and is indistinguishable from not loading it at all ;D).
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<Spooner> Or you mean loading some definitions (e.g. classes and methods) in a file without running the direct code in the file? Not sure what you mean (or rather, what you "want to achieve").
<scx> Spooner: i have "bloat-file.rb", there are a few classes and one command which create istance of one of these classes
<Spooner> scx In that instance, you should have the command inside a "if $0 == __FILE__" condition in that file. Then if you run the file directly, the code will run, but not if you require the file in another file.
<scx> Spooner: it isn't my file and i cant change it
<Spooner> Well then, the file was written by a muppet ;)
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<Spooner> And no, you can't work around that in any way I know. If the file wants to run code then it will run code.
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<Spooner> A class definition is "just code" and isn't fundamentally different than direct code like: Frog.new.jump
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<Spooner> scx Actually, no, there are ways to work around it, but they are DREADFUL and should never be used by sane people (and are worse than just copying the file and deleting the stuff you don't want).
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<lazyPower> Is there a preferred method to recreate the timestamp in rails when using X.minutes.from_now?
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<lazyPower> Specifically, i'm using delayed job, and its failing to run correctly on the stored config values i put in my yaml - its running immediately since its returning a string :|
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<Spooner> lazyPower : #rails or #rubyonrails might be more likely to know that.
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<lazyPower> thanks
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<scx> Spooner: what methods? i tried to create new ruby file using grep and sed :p
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<Spooner> scx You could do it inside Ruby. eval File.read("frog.rb").gsub(/meh/,'')
<Spooner> But as I said, it is terrible, terrible stuff.
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<Spooner> Or #readlines and delete the last few lines.
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<Spooner> If the file is going to change, then your code might stop working because of formatting changes. If the file isn't going to change, just copy it and manually delete the "bad" lines.
<scx> Spooner: second method will not work: there are methods before that horrible line
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<Spooner> scx #sub or #gsub are your friends then.
<scx> thanks once again
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<scx> Spooner: gsub work on lines, like sed or whole text?
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<Spooner> It works on the whole text in this case. You can use ^$ to link to beginning and end of lines.
<scx> should i use /^foo bar .*/ or /^foo bar[^\n]*\n/ ?
<Spooner> Don't worry about removing spaces and newlines. Ruby just ignores them anyway.
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<Spooner> .* will be to end of string (that is, file in our case).
<Spooner> I don't know what exactly you are trying to match, so I can't tell you how to match it ;)
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<Spooner> scx Have a play in http://rubular.com/
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<Spooner> ".* will be to end of string" - actually untrue, since you need //m for . to match newline. Always forget that.
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<thaostra> I seem to have found a bug in Net::HTTP where there is ~25% CPU usage while downloading files, possibly due to it not waiting for the buffer to fill. CPU usage goes down to ~6% when I add sleep() in the innermost block. Does anyone know of a way around this? Snippet found here: https://gist.github.com/4e01da8091ab2525a446
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<n_blownapart> re = Regexp.escape("^abcdef") #=> "\\^abcdef" Hi I'm learning the double backslash here has something to do with #escape outputting double-quoted strings? what's the connection? thanks
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<heftig> n_blownapart: it's not a double backslash, that's just the representation as a string literal
<heftig> \\\\ would be a double backslash
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<n_blownapart> hi I thought p calls inspect, but inspect returns a double-quoted string and double backslashes. why? thanks: x = Regexp.new(Regexp.escape("Mr. Joe Smith")) [42] pry(main)> p x #=> /Mr\.\ Joe\ Smith/ --- [43] pry(main)> x.inspect => "/Mr\\. Joe\\ Smith/"
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<CannedCorn> hey guys
<CannedCorn> is anyone pretty familiar with test-unit?
<CannedCorn> 2.0 that is
<rking> Anyone familiar with the IRC custom of just ask?
<rking> ∞.0 that is.
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<rking> CannedCorn: Giving you a hard time. What's up man?
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<CannedCorn> rking sorry man, been fighting with it for a while
<CannedCorn> so, i'm trying to get my rake testtasks to run with test::unit 2.x
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<CannedCorn> so i made a little test file
<CannedCorn> test.rb and when i run it, test unit 2.0 runs, beautiful
<CannedCorn> but when i make a rakefile and run rake test, where test is a testtask, it uses the built in one
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<CannedCorn> ah
<CannedCorn> gem install rake!
<CannedCorn> and requiring rake are essential
<CannedCorn> what a pain
<CannedCorn> i've been trying to figure that out for hours
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<n_blownapart> hi anyone care to answer above question on regexp 's ? thanks ^^
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<bnagy> p is like puts blah.inspect
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<n_blownapart> thanks Kathmandu .. bnagy still unclear about something if you have time.....
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<n_blownapart> Regexp.new(Regexp.escape("Mr. Joe Smith")) => "/Mr\\. Joe\\ Smith/" ..question is the connection between the double-quoted string and the double backslashes. why?
<n_blownapart> bnagy: ^^
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<bnagy> that's how backslashes are presented in strings
<n_blownapart> bnagy: is it correct to say that the 1st backslash is escaping the second?
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<bnagy> well there's only one backslash there
<bnagy> "\\".bytesize => 1
<n_blownapart> bnagy: hold on, to pry for a look
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<n_blownapart> bnagy: hmmm. why doesn't "\".bytesize return nil ? I'm getting an error.
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<bnagy> because it's a syntax error
<bnagy> the \ is escaping the quote
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<n_blownapart> interesting bnagy I'm confused though.
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<hesco1> how do I use rdoc to read the docs for a package?
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<hesco1> is rdoc like perldoc ???
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<n_blownapart> bnagy: so in a sense one backslash is escaping the other?
<bnagy> I guess
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<bnagy> it's just for "" strings though, like 'foo\bar' is 7 bytes
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<bnagy> but you still can't have '\'
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<n_blowna_> bnagy: thanks ...pondering
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<n_blownapart> why does freenode suddenly switch my nickname?
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<jer1ko> ello
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<n_blownapart> http://pastie.org/4900810 still trying to get why single quotes return different escape logic
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<n_blownapart> http://pastie.org/4900810 burgestrand would you mind explaining why single quotes return the double backslashes? thanks
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<burgestrand> n_blownapart: single quotes only allows escaping very few things, single quotes for one: 'hello \'a boo'
<burgestrand> n_blownapart: what you see is a string representation of the string, which is why you see two backslashes at first, but only one backslash when you print it
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<burgestrand> n_blownapart: it’s the same difference when you evaluate nil, versus printing nil
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<n_blownapart> thanks burgestrand I'm studying all of that
<burgestrand> n_blownapart: in effect, 'foo\bar' only contains one backslash, while "foo\bar" contains whatever character the escape sequence \b stands for (possibly the bell character?)
<burgestrand> n_blownapart: it’s more apparent for something else, like "foo\0bar" and 'foo\0bar'
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<n_blownapart> burgestrand: thank you I'm pretty tired.
<burgestrand> me too.
<burgestrand> being tired is bad for learning
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<n_blownapart> burgestrand: yeah I'm just staring but will try everything in pry. thanks!
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<n_blownapart> burgestrand: so the rule (for now) would be just to use double quotes, unless I am trying to escape something esoteric like a bell character?
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<burgestrand> n_blownapart: if you want your string to become the same string you write all the time, use single quotes, what you see when you write the string is pretty much what you get
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<burgestrand> n_blownapart: if you want to use escape sequences, use double quotes
<burgestrand> n_blownapart: some of my co-workers use double-quotes almost exclusively, I mix and match
<n_blownapart> burgestrand: thanks very much that penetrated my thick skull. does one backslash in effect escape the other one? : i.e. \\
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<burgestrand> n_blownapart: try it
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<n_blownapart> burgestrand: ok many thanks
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<zeknox> what method can I use like string.match() that will match all instances of a regex found in the string, and not just the first?
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<bnagy> #scan
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<zeknox> bnagy: great, just what I needed!
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<binary3D> I'm getting "invalid byte sequence in UTF-8" when I scrape a longitude value that contains the 'degree' symbol. How should I get around this? http://pastie.org/4900982
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<zeknox> when i use the string.scan() method and place it into an array (array << string.scan(/regex/)) i get an array inside of an array. how can I avoid this?
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<bnagy> you could use a1 + a2, or use flatten
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<burgestrand> zeknox: Array#concat
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<burgestrand> Same as Array#<< but with an array as an argument to append more than one thing.
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<zeknox> burgestrand: so I need the "#" after the arrayname
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<burgestrand> zeknox: no, it’s a convention rubyists use to write out method names, for example Hash.[] vs Hash#[] — the dot or hash-pound tells you if it is a class method (dot) or an instance method (hash-pound).
<burgestrand> zeknox: also, in ruby code, # declares the start of a comment.
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<zeknox> still lost as to how to solve my issue, just want to use the string.scan() method and get the output into a standard array
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<aces23up> I'm looking for a compression routing to archive a buncha files for dropping on a server then downloading later for decompression, is there any built in ruby libraries for this? I wanted to use rar, but can't seem to find any libraries for decompression for ruby.
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<binary3D> anyone familiar with UTF-8
<binary3D> I'm using Nokogiri but when it finds a longitude value with the 'degree' symbol it returns an error.
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<Paradox> binary3D, update your libXML
<Paradox> and stick a utf header
<Paradox> on the file
<Paradox> nokogiri works fine for me
<Paradox> with uth
<Paradox> i parse stupid utf data all the time
<Paradox> lol
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<binary3D> Paradox: how do I update it?
<binary3D> is it a gem?
<Paradox> wat os
<binary3D> ubuntu
<Paradox> probably apt-get
<binary3D> i tried sudo apt-get install libxml
<binary3D> it returns "E: Unable to locate package libxml"
<Paradox> search for it
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<Paradox> apt-cache or whatever it is
<Paradox> basically means something in the source document has broken utf-8 chars
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<binary3D> I know which part of the scrape that's causing it http://pastie.org/4900982
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<zeknox> can you return arrays from methods?
<binary3D> Paradox: found it. sudo apt-get install libxml2-dev
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<A124> zeknox: Yes, you can. After all array is just an object.
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<rpattabi> wondering about guide lines of using gems under current project.
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<rpattabi> gem's source code has require 'swt/full' for example
<rpattabi> this refers to local gem instead of the internal gem within the directory
<rpattabi> should i update require to require_relative?
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<rpattabi> or is there a better way to ask ruby to consider only the internal gem (if thats what it is called)
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<rpattabi> i pulled a gem in submodule
<rpattabi> i have the same gem installed in the m/c
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<rpattabi> i will like gem in submodule refer to its internal files
<rpattabi> but this gem refers to m/c gem
<rpattabi> is it required that all gems should use require_relative instead of plain require?
<rpattabi> any insights?
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<JonnieCache|work> am i actually here now?
<JonnieCache|work> my irc is being funny, keeps disconnecting me
<hoelzro> I see you.
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<JonnieCache|work> good. i need to get around to putting my irssi seesion inside a remote screen or something
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<Xeago> JonnieCache|work: alias irssi to start it in a screen?
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<JonnieCache|work> it needs to be remote though so i dont have to have separate sessions for home and work, with them going down all the time
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<Xeago> hmm, where is your remote?
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<Xeago> and why not use a bnc?
<Xeago> or do you care about history when offline?
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<Vinz_> Hm, I installed data_mapper gem and dm-mysql-adapter
<Vinz_> But when I open http://localhost:4567
<Vinz_> I have this error : cannot load such file -- data_mapper
<Vinz_> Any help
<Vinz_> ?
<workmad3> Vinz_: is this a project that uses bundler?
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<Vinz_> Nope
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<Vinz_> I use Sinatra + Sinatra-Reloader
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<Vinz_> Oh wait !
<Vinz_> I'll try with restarting Sinatra server
<workmad3> yeah, you'll need to do that
<workmad3> your load path for the existing server won't have the new gem on it
<Vinz_> Oh, it worked :)
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<JonnieCache|work> Xeago: i have a bunch of VPSs that dont really do much
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<JonnieCache|work> Xeago: ive never really worked out what a bnc is, apart from something you can rent to hackers. is it just an irc proxy?
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<Vinz_> JonnieCache|work: Run irssi in a screen ?
<JonnieCache|work> yeah thats what im planning :)
<Vinz_> That's what I'm doing :D
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<Xeago> JonnieCache|work: bnc is an irc server you can connect to which proxy's your connection from there
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<Xeago> e.g. not requiring ssh for authentication, just normal irc-auth
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<Xeago> VNC is a popular one, i'll set it up on your server if you want :)
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<Vinz_> ZNC no ?
<Xeago> ZNC yea
<Xeago> wops
<Vinz_> VNC is quite not the same thing :]
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<Xeago> in practice it could be used for the same thing, however let's just say I borked it :)
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<Vinz_> Yeah, but i don't see the point in using VNC to go on IRC
<Vinz_> quite useless and would be laggy
<Xeago> erhm, have a remote cursor and clipboard :3
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<Xeago> English: Marcus' laptop, or Marcus's laptop
<Xeago> the first right?
<Vinz_> First yeah
<JonnieCache|work> of course, forget irssi+screen, what i want is mirc+vnc
<Xeago> mirc
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<JonnieCache|work> its so obvious to me now
<Vinz_> Ugh
<Xeago> mirc!
<Vinz_> mIRC burns in hell
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<Xeago> while I like MSL, it is just too slow for anything
<Xeago> delphi iirc right?
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<Vinz_> mIRC « is highly configurable »
<Vinz_> ^ True story.
<Xeago> so is irssi
<Vinz_> irssi's better
<Vinz_> Much better
* hoelzro loves irssi
<Vinz_> Do not compare the best with shit :)
<hoelzro> I considered adding support for Ruby extensions for irssi, but that would take a *lot* of work, I think
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<Vinz_> Yup
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<Vinz_> I'd like Ruby support on irssi, but I don't want to go on weechat
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<Vinz_> Hm, anyone here uses DataMapper ?
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<Vinz_> http://pastie.org/4901666 <- Does anyone know why this is not creating anything in my DB ?
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<Vinz_> Anyone ?
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<Vinz_> Oh, I think I've found why
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<Vinz_> Now it's working :)
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<Xeago> do you 'record' time in a timesheet
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<Xeago> or is it called something else?
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<strk> how do I check if mystring starts with "MULTI" ?
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<Hanmac> strk: "MULTIabc".start_with?("MULTI")
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<strk> and string concatenation ?
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<strk> undefined method `start_with?' for nil:NilClass
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<Hanmac> then you does shit with your code ... show me your pastie
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<strk> :> .. never mind
<strk> moved the logic to SQL
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<amaurea> Hi! I'm trying to compile ruby 1.9.3 on a system with openssl 0.9.8e. The compile fails when compiling ext/openssl due to conflicting declarations of HMAC_CTX_copy, etc from openssl_missing.h. I could edit openssl_missing.h to remove these declarations, but that's pretty hacky. Is there a better solution?
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<strk> tables.each do |table|
<strk> user.in_database do |user_database|
<strk> next if true
<strk> that "next" above doesn't trigger next iteration of "tables" but continues to after the end of the "user.in_database" block
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<hoelzro> makes sense
<hoelzro> next continues the current block
<hoelzro> ie. the innermost
<strk> does next accept a block count ?
<hoelzro> nope
<hoelzro> use throw/catch
<strk> the inner one is not even a loop
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<hoelzro> next and friends operate on blocks and loops
<hoelzro> doesn't matter which you're in
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<strk> so: outer do |a| inner do |b| throw end rescue => e print & next end
* strk never knows how to write end of statement with these semicolon-less languages
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<JonnieCache|work> you can use ; if you want
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<JonnieCache|work> also for oneliners people generally use {} instead of do end because its much easier to read
<hoelzro> strk: you need to use catch, not rescue
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<hoelzro> so like this:
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<hoelzro> er, I can't even remember how to use catch.
* hoelzro doesn't use it very often
<Xeago> lol
<hoelzro> I *think* it's begin ... catch :sym ... end
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<strk> uncaught throw
<strk> uff
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<m3pow> hello hoelzro
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<strk> got it
<strk> catch :thing do; throw :thing; done
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<Hanmac> strk when you need catch you maybe do something wrong
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<strk> I'm actually just trying to make the code readable
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<strk> would use a do { if (cond) break; if (othercond) break; } while (0);
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<clocKwize> is there a nicer way of putting client_revenue_sum = daily_data.collect { |dd| dd.client_revenue).sum ?
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<burgestrand> There is no Array#sum
<Hanmac> clockwize: daily_data.map(&:client_revenue).inject(0,:+)
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<hoelzro> m3pow: ahoy
<m3pow> ahoy!!
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<m3pow> do you know any references to good well explained sorting algorithms in ruby : bubble , selection , etc
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<clocKwize> Hanmac, sorry, I missed something: daily_data.collect { |dd| dd.client_revenue).compact.sum
<Hanmac> strk while (0); is so totaly wrong in ruby
<hoelzro> m3pow: me?
<clocKwize> Hanmac, client_revenue can be nil if its not been entered yet and 0 + nil = error
<m3pow> yes sir ! :)
<hoelzro> I do not, unfortunately...
<Hanmac> clockwize: then just add it: daily_data.map(&:client_revenue).compact.inject(0,:+)
<clocKwize> true
<clocKwize> why is inject(0, :+) better than .sum?
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<Spooner> clocKwize : #sum is not standard Ruby (though it may well be in something like Rails), but #inject(0, :+) is.
<Spooner> But if #sum works, then just use that.
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<hoelzro> ri Array#sum works, though...
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<Spooner> What provides it, hoelzro? It isn't standard in 1.9.3
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* hoelzro shrugs
<hoelzro> how bizarre
<Spooner> hoelzro : I assume all your installed gems will add to the ri database. I don't have Rails installed, so I'd guess it is magic they add.
<hoelzro> it doesn't work in irb =(
<hoelzro> I don't have rails either
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<Spooner> It will be one of your gems adding to core, but who knows which one ;)
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<clocKwize> Spooner, yeah its part of activesupport I guess - Happy to depend on AS.
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<Hanmac> shevy sha3 is chosen
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<JonnieCache|work> how can it be broken it only came out yesterday
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<Spooner> clocKwize : Ah yes, I tend to assume AS is just a part of Rails, when it is separate.
<JonnieCache|work> oh *chosen*
* JonnieCache|work has console blindness
<JonnieCache|work> time to go outside
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<Hanmac> JonnieCache you read what you want to hear :D
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<Xeago> lol
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<clocKwize> Spooner, I'm working with rails anyway :)
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<amaurea> I just installed ruby, and I am trying to install a gem now, using gem install sup. However, it fails, complaining that my C compiler doesn't work when running configure for xapian-core. However, if I run configure manually, it works fine. The gem output can be found here: http://folk.uio.no/sigurdkn/gem_sup_error.txt and config.log here: http://folk.uio.no/sigurdkn/gem_sup_log.txt. As you can see, it tries to pass an -R option to gcc, which I have not seen do
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<amaurea> This is with gcc 4.7
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<shevy> configure: error: C compiler cannot create executables
<shevy> See `config.log' for more details.
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<shevy> missing --run aclocal-1.11'
<shevy> something is fucked up
<shevy> do you have aclocal installed
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<shevy> does it work
<shevy> do you have tar installed
<shevy> does it work
<shevy> `aclocal' -> `/pkg/Automake/1.12.4/bin/aclocal'
<shevy> what is your automake version
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<shevy> /mn/regulus/u1/sigurdkn/local/lib/ruby/gems/1.9.1/gems/xapian-full-1.2.3/
<shevy> is also a very unusual path to have
<shevy> my gem dir is /usr/lib/ruby/gems etc...
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<amaurea> shevy: I am installing this in my home directory, since I do not administer this system
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<shevy> ok let's see... I will run "gem install sup"
<shevy> Fetching: xapian-full-1.2.3.gem ( 51%)
<shevy> configure: error: in `/pkg/Ruby/1.8.7p370/lib/ruby/gems/1.8/gems/xapian-full-1.2.3/xapian-core-1.2.3':
<shevy> configure: error: C compiler cannot create executables
<shevy> See `config.log' for more details.
<shevy> failed for me too
<amaurea> That is, ruby has been configured with --prefix=$HOME/local
<amaurea> huh, ok
<shevy> if I have to make an educated guess, the guys who wrote xapian are idiots
<amaurea> nice to see that it isn't just me
<amaurea> which version of gcc do you have?
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<shevy> yes they are idiots
<amaurea> -R is apparently something that used to work, though one wasn't supposed to use it
<shevy> "checking whether the C compiler works... no"
<shevy> my GCC works fine here
<amaurea> my gcc works fine for me too
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<shevy> gcc version 4.6.3 (Debian 4.6.3-1)
<shevy> do they have any bugtracker at all?
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<shevy> lol
<shevy> I just went into the directory
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<shevy> and it is compiling :)
<amaurea> that is, you went into xapian-core, right?
<shevy> gems/xapian-full-1.2.3/xapian-core-1.2.3/
<shevy> into there yeah
<amaurea> I got that to work too, and did make and make install
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<amaurea> but it didn't stick, so to say: when I tried gem install sup again, it tried to install xapian again, and it failed the same way
<amaurea> perhaps because I only did it for core
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<amaurea> I tried to ask in #xapian now
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<shevy> I am sure they are incompetent
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<Pip> Is there 64bit vesrsion of Ruby implementation?
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<Hanmac> Pip ... what OS? under linux you has ruby for 32 and for 64 bit
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<Pip> Hanmac, Win
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<bnagy> Pip: use jruby
<Pip> bnagy, I hate JVM
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<bnagy> well, that's your option for 64 bit on windows
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<bnagy> and anyway 'hating JVM' is like hating thunder, or the colour green or something
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<bperry> I hate the jvm
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<bperry> I hate java
* Hanmac hates java in general, but eclipse is okay
<bperry> I hate eclipse more than java!
<bperry> #vim
<_7894> Java sucks, but.. hey.. no reason to hate unless you have to work with it
<bperry> I do have to work with it :(
<_7894> That sucks
<blazes816> I'd hate it
<bperry> it is only 30% of my jobish though
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<JonnieCache|work> why would you hate the jvm
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<bperry> JonnieCache|work: is that sarcasm?
<bperry> have you been under a rock the past few months where every month there is a java exploit that bypasses the sandbox
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<roychri> I have a class with namespace "Foo::Bar::Whatever" and I am trying to see if this class exists by doing Object.const_defined?("Foo::#{somevar}::Whatever") but I get an error "wrong constant name". I presume that a constant cannot have ::, that is why... But I do not know how else to find out if a class exists. any pointers?
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<Hanmac> the joke is, when some sandbox is broken do the java developer make a better sandbox? no, they do yetanother sandbox around the first sandbox
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<Hanmac> roychri: "Foo::Bar::Whatever".split("::").inject(Object) {|c,s| c && c.const_defined?(s)}
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<roychri> Hanmac: I'll test this afte lunch! :) Thanks!
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<Hanmac> roychri: this is better: "Foo::Bar::Whatever".split("::").inject(Object) {|c,s| c && c.const_defined?(s) ? c.const_get(s) : false}
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<roychri> Hanmac: Your first suggestion does not seem to work. Maybe I am doing it wrong. Trying out second suggestino.
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<roychri> Hanmac: Will these works if the first part does not exists as a class by itself? "Foo::Bar::Whaveter" and "Foo" does not exists...
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<roychri> Hanmac: I am asking because what you propose works but some classes and not for others.
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<Hanmac> that confuses me ...
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<vivianachan> hello
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<roychri> Hanmac: I'll do more tests to make sure it's not me doing something wrong
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<workmad3> roychri: if Foo::Bar::Whatever exists, then Foo exists
<vivianachan> someone could help me
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<roychri> vivianachan: People here answers questions. Please specify why you need help. Check this guide for asking the right kind of questions: http://www.mikeash.com/getting_answers.html
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<vivianachan> thanks
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<Spooner> vivianachan : Best to just ask your question, then anyone qualified to answer can answer. If you ask for help, none of us will step forward, because you could want any of 10,000 answers ;)
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<JonnieCache|work> bperry: fair point. from the point of view of developers the jvm is a great tool though
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<JonnieCache|work> bperry: but youre right, from the user and operations point of view, perhaps not so much
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<xclite> Is anybody aware of a standard, maintained library for creating Ruby command-line apps? I need something that supports one level of subcommands
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<Spooner> xclite : slop (many others though).
<vivianachan> my problem is non capisco bene l'inglese ma ci provo.
<vivianachan> il mo problema è riuscire a collegare mysql2 con rails 3
<JonnieCache|work> at the end of the day, dont run native code you dont trust. those jvm exploits are mostly a problem because the jvm is in browsers, which is just a Bad Idea(tm)
<vivianachan> I do not understand English well but I try.
<vivianachan> m the problem is being able to connect with rails 3 mysql2
<roychri> Hanmac: Ok, I found out why my results were not as I expected. What you provided works great, thanks.
<xclite> Spooner, thanks will check it out. I've looked at thor, commander, etc but didn't have quite what I needed
<Spooner> xclite : cri also manages subcommands.
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<JonnieCache|work> if there was a facility for running c sharp or whatever other bytecode language in the browser, its sandbox would be broken every month as well, because its such a tasty target
<Spooner> vivianachan : Ask in #rails or #rubyonrails
<vivianachan> ok
<Hanmac> its #rubyonrails
<shevy> vivianachan you can always use simple english :)
<shevy> 200 words is ok
<Hanmac> #rails seems to be dead
<vivianachan> thanks
<_7894> 4000
<xclite> Spooner, looks promising, thanks a ton. I wrote my own stuff that parses the subcommands correctly, but I don't want to be reinventing a crappier wheel
<Spooner> Hanmac : Ah, I never go there. I only point people ;)
<shevy> you point them in the wrong direction so they fall into the abyss :(
<shevy> admit it!
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<xclite> shevy, IT'S A TARP
<shevy> a what?
<xclite> too esoteric i guess
<xclite> haha
<shevy> is that like a turf...
<xclite> or like a trap
<Hanmac> i am in none of the channels eigher ... i only knew wich is the right one
<Spooner> I am the road-sign that Dick Dastardly has spun around!
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<shevy> I only know Donald Duck
<xclite> throwback haha
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<Spooner> It was all just noise after Steamboat Willy!
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<falieson> with data mapper, how do I do Foo.last.update(:hello => "earth") but for a specific row rather than the last one?
<bperry> Foo.find_by_id?
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<falieson> thanks. I was trying .get(:id = foo_id) and that didn't work so much appreciated!
<bperry> np
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<falieson> bperry: undefined method `find_by_id' for Calendar:Class
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<bperry> sorry it is just find()
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<falieson> I'm using datamapper
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<bperry> ah nm then heh
<bperry> I misread what you had typed
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<falieson> haha, nm
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<Vinz_> Is the :404 symbol valid ?
<falieson> bperry: :-/ I don't see anywhere how to do a specific row. like wtf?
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<falieson> bperry: hmm… I have to use Foo.all(:id => 123).update(:world => "earth") and it works fine
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<bperry> I see, cool
<Vinz_> Anyone ?
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<Vinz_> Oh non, nevermind
<Vinz_> no*
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<nwertman> Quick question guys… I'm trying to install the 'sqlite3' gem on my OS X 10.8 machine. Things seem to install fine, but "require 'sqlite3'" is unable to find sqlite
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<Xeago> using bundle?
<nwertman> [1] pry(main)> require 'sqlite3'
<nwertman> LoadError: no such file to load -- sqlite3
<matti> Xeago: ;-)
<Xeago> what is the ruby version?
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<nwertman> Stock OS version: 1.8.7
<Xeago> blurgh ML comes with old shit
<nwertman> According to 'gem list' it shows up.
<Xeago> didn't expect that
<Xeago> require 'rubygems'
<nwertman> Already required
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<nwertman> Okay, looks like it is some bundler magic that is causing issues.
<Xeago> run bundle exec pry
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<blazes816> is there a way to ignore whitespace in a string you're matching with regex? I know /x ignores whitespace in the regex itself, but I want something like: "foo bar" =~ /foobar/ #=> 0
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<blazes816> and I need to preserve this in my match as well
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<blazes816> "foo bar".match(/foobar/).to_s #=> "foo bar"
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<Hanmac> "foo bar".tr(" ","") =~ /foobar/
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<blazes816> "foo Bar".tr(" ","").match(/foobar/i) #=> "fooBar"
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<fir_ed> def method(object) ... end <<---would that work?
<fir_ed> Can ruby take object parameters like that?
<blazes816> yep, everything is an object
<blazes816> def add_one(x); x + 1; end << --- x is an object
<blazes816> unless i'm completely misunderstanding you
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<fir_ed> Mm..that'll do. Thanks blazes816. :).
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<Hanmac> some things are neigher objects nor methods, but return objects ... like defined? is not an real method, its an parser feature
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<falieson_> http://pastie.org/4904074 someone helped me last night, but I don't really understand it or how to implement it. It's the bottom portion of the pastie
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<falieson_> can someone take a look and point out how I should use tally_dates ?
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<jcoglan> hi all
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<jcoglan> having a bit of a problem with TCPServer -- can anyone help? https://gist.github.com/3829094
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<R3dy> what would be the ruby equivlant of Python's unpack('>I', string_to_unpack)?
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<R3dy> so doing that in pythong converts this '"\x00\x00\x04R"' to this '1104'
<R3dy> i try string.unpack(">I") however it does not produce the desired result
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<reactormonk> R3dy: what does python >I do?
<R3dy> >I i'm assuming means integer
<R3dy> I'm not exactly sure
<reactormonk> ...
<reactormonk> try I>
<reactormonk> RTFM helps btw
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<R3dy> yeah so it didn't help in this case
<R3dy> thats why I came here
<R3dy> so I tried that
<R3dy> and produces a completly differnt value
<reactormonk> I just did rtfm, and that works
<reactormonk> you might need a halfway updated ruby
<reactormonk> that's in the doc as well
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<R3dy> this is the value ruby gives me
<R3dy> 1375993856
<R3dy> when I run unpack("I>") on that string
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<reactormonk> "\x00\x00\x04R".unpack("I>")
<reactormonk> => [1106]
<reactormonk> your move.
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<R3dy> lol got it
<R3dy> might be I am bringing it into the unpack
<R3dy> as a differnt value
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<R3dy> i'll dig deeper
<R3dy> thanks!
<aces23up> anyone know of a library that will redirecting stdout remotely? basically I want to run a remote rake task and get the stdout locally.
<R3dy> p.s no need to get super fursterated with people who don't knwo something that you do. It isn't worth it ;)
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<R3dy> this is so weird
<R3dy> "\x00\x00\x04R".unpack("I>") => [1375993856]
<R3dy> that's from version 1.9.2
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<R3dy> reactormonk: what version are you running?
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<R3dy> Yeah I found that too. I get that it is suppose to operate the way you are saying
<R3dy> I'm just trying to understand why it isn't on my system
<R3dy> this is what I get in irb
<R3dy> "\x00\x00\x04R".unpack("I>") => [1375993856]
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<R3dy> ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin11.4.2]
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<R3dy> that's the verison I'm running, what version are you running?
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<R3dy> weird, on my sysetm it's N
<R3dy> insetad of I
<R3dy> lol oh well :)
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<terrellt> I'm using DBI with an ODBC connection, and using fetch_all. However, when I do that I get an array of objects that are the same. If I do fetch over and over again I get new objects. I think it comes down to if I do a fetch, store that DBI row object in another variable (I used clone, not sure if I have to), then modify a value in one of the variables it gets copied over to the other one - like they're both using the same pointer. Is there a way
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<terrellt> Note, row.to_h works just fine, but I wouldn't be able to use symbols at that point (right?)
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<terrellt> It should be noted that the DBI Row class overrides .clone and .dup which seems to make it still be a reference.
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<moshef> can you help me with a regex to find how many dots there are in text? also, if possible - I'd like to count … as 1 instead of 3.
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<terrellt> Turned out I had to do my own deep copy to do a fetch all using Marshal.
<bperry> so you want dot groups moshef ?
<moshef> bperry: yes
<bperry> line =~ /\.{1,}/ perhaps
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<bperry> that will match it once
<bperry> you may need to do some other fancy stuff to match it across multiple instances in a line
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<Vinz_> Using string.count won't do it ?
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<moshef> bperry: cool thanks
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<moshef> bperry: one more thing, I'd like to find, from all the non a-z0-9 chars, what i have the most in my text
<terrellt> I'd just replace ... with ., then do string.count.
<moshef> so it will count amount of dots !! /n etc. is it complicated?
<Vinz_> terrellt: That's what i'd do too
<moshef> terrellt: example?
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<terrellt> "this is a string...with a period.".gsub(/\.\.\./, ".").count(".") I think? New to ruby.
<Vinz_> string.gsub("...", ".").count('.') ?
<terrellt> Oh, it doesn't have to be a regex expression?
<terrellt> Well that's nice.
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<moshef> but then it won't catch .. right?
<moshef> or .............
<moshef> etc
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<terrellt> It'd count .. as two dots.
<moshef> and I don't want that
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<terrellt> You want .. counted as 1?
<moshef> :)
<moshef> yap
<moshef> scan /\.{1,}/ does that
<terrellt> string.gsub("..",".").gsub("..",".) should do 'er, right?
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<terrellt> Maybe not.
<Vinz_> string.gsub(/\.{2,}/, ".").count('.') ?
<Vinz_> That will do it
<moshef> whats wrong with scan /\.{1,}/ ?
<Vinz_> It will match 2 or more '.'
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<terrellt> What Vinz said.
<moshef> but I want to get all the dots
<Vinz_> Yup
<moshef> . .. … ….. etc
<Vinz_> But it's useless to replace . by .
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<moshef> im not replacing anything
<moshef> just catching it
<moshef> and counting the array returned
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<Vinz_> By gsub you replace it before counting it
<moshef> but I don't want to replace it
<moshef> I want to leave the text as it is
<terrellt> It's not REALLY replacing it, it's just a trick.
<terrellt> It's passing a modified string into count.
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<bperry> it is a new string, not a modified one
<Vinz_> moshef: Oh sorry, didn't see your code
<moshef> right, gsub1! notify it
<moshef> motify*
<moshef> its not mine, someone posted it earlier...
<moshef> hmm, what about counting non a-z0-9 chars?
<bperry> that is a basic regex question, you should google that :)
<Vinz_> non word : \W
<Vinz_> non digit : \D
<Vinz_> (In a regex)
<moshef> hmm
<moshef> I think its a bit more complicated than that, but let me try
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<moshef> since I'd like, if possible, catch \n too etc
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<Vinz_> In regex : \n = \n
<Vinz_> :D
<moshef> but it will count the \ and n separated no?
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<Vinz_> Nope
<Vinz_> \ act as escape char
<Vinz_> To count \ and n separated
<Vinz_> You would type \\n
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<Vinz_> \ is escaped and n is only the letter in this case
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<Vinz_> While \n is matching \n
<moshef> good to know, thanks Vinz_
<Vinz_> moshef: You might want to test your regex before writing them in your code :
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<Vinz_> rubular.com
<Vinz_> Will help you
<moshef> Vinz_: yeah I know this tool
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<Vinz_> :)
<Vinz_> g2g
<Vinz_> Bye !
<moshef> Vinz_: bye :)
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<DaniG2k> guys I have a total n00b question
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<DaniG2k> i have a string which i'm splitting with str.downcase.gsub(/[^a-zA-Z]/, " ").split
<DaniG2k> and on that I'm running .each do |i|
<DaniG2k> how can I put its value as h[i]
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<DaniG2k> if its the first time the word has been seen, put 1, else put += 1
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<tos9> Does anyone have working up/down arrow/backspace support on OSX with set editing-mode vi?
<tos9> Sorry. In pry and / or irb.
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<ryanf> tos9: I haven't tried, but if you're using libedit (the default on OSX), it might help to switch to readline
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<tos9> ryanf: That's my backup plan.
<ryanf> it's a good idea anyway, libedit sucks
<tos9> It appears from http://caiustheory.com/use-readline-with-default-ruby-on-os-x that I can even build the extension by itself.
<ryanf> that is my impression, yeah
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<tos9> Well, to be fair, the only thing I've had issue with is irb :P. But I don't mind terribly doing it if it's necessary.
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<ryanf> well for one thing, it makes reverse-i-search work in pry
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<terrellt> Anyone have experience talking to MSSQL with Ruby?
<tos9> ryanf: I have that alraedy
<terrellt> I'm trying to use DBI, and it kind of works, but some of the rows it's fetching is replacing "s" with \x00\x00.
<tos9> Not that I use it much.
<terrellt> I could do a replace, but I don't know if it's going to corrupt other entries too.
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<tos9> Ep, looks like git is done checking out ruby. Guess I'll try to build readline then.
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<tos9> Hm. That doesn't appear to have fixed it.
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<tos9> pdtpatrick: Well, I didn't get any errors -- it just didn't appear to fix the behavior switching to gnu readline. Are you suggesting that I recompile ruby from scratch and try it again anyhow?
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<pdtpatrick> I'm saying use rvm if you're not already using it. As you can see, readline is quite easy to install using their guide
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<terrellt> Anyone have any experience with TinyTDS?
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<tos9> pdtpatrick: Ah, no I wasn't, I just compiled it myself. But alright I'll try using rvm then.
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<pdtpatrick> tos9: here's a good intro (screencast to it) http://teachmetocode.com/screencasts/rvm-ruby-version-manager/
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<tos9> Cool. I've certainly heard of it, but never tried it yet. I'll take a look. Thanks.
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<rehatz> can you do a c++ version of a for loop in ruby?
<rehatz> for(var;condition;increment)
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<blazes816> rehatz: you can do for in
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<blazes816> for i in %w(a b c)
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<blazes816> but it's almost always better to use #each, and if you need the index, #each_with_index
<rehatz> I wanted to do a nested for loop type algorithm and go off the outer for loops var
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<rehatz> like find the largest pair some in a array of integers
<rehatz> *sum
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<diverdude> Hello, i am using rake v. 0.9.2.2, but i get errors when migrating app: NOTE: Gem::SourceIndex#add_spec is deprecated, use Specification.add_spec. It will be removed on or after 2011-11-01. I read this can be avoided if i use rake 1.1.1 instead. How do i do that? thx
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<musl> rehatz: Have a look at Array#permutation( n ) and Enumerable#inject
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<rehatz> ok thanks
<diverdude> zny1?
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<musl> rehatz: It's not exactly clear what the input array looks like or I'd offer an example.
<rehatz> musl: wow that's awesome lol
<rehatz> nah that helps thanks
<musl> Ruby /is/ awesome. :)
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<rehatz> :)
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<rehatz> is there a way to have more than one action on a single line if statement? like: sum += i , break if i % x == 0
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<bperry> rehatz: ;
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<bperry> sum+=i;break if i%x==0
<Spooner> bperry : That is two statements.
<bperry> he said on a single line :)
<Spooner> rehatz : You need if i % x == 0 then xxxx; yyyy; end
<rehatz> ok
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<rehatz> just wondering, new with ruby
<Spooner> Though you could also have: begin; xxx; yyy; end if i %x == 0 (but that is super-ugly!)
<bperry> I see what he was asking, I misinterpretted what he wantd
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<Spooner> rehatz Split it onto several lines; it will a lot nicer.
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<musl> rehatz: Sounds like you're yearning for C idioms like: "if( ++i == 0 ) {"
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<rehatz> maybe, I do like the shortness of the ruby statements
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<rehatz> if I define a method that take one argument and then an array as the second like def wee(first, *second) is there a way to get it to accept an array also
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<rehatz> trying to get a the method to work with command arguments and I have ARGV[0] for the first argument but I don't know how to get it work with ARGV[1,ARGV.size-1]
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<bperry> if you pass an array as second, then it should be the zeroth element in the second variable
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<bperry> second[0] == your_array_you_passed
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<bperry> so you would do second[0][1,second[0].size-1]
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<bperry> make sense?
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<rehatz> thinking lol
<bperry> I find I prefer using hashes instead of the splat operator
<bperry> that is what it is called
<bperry> * is splat
<rehatz> wait if I do ruby something.rb 2 4 6
<rehatz> isn't each one of the numbers in ARGV
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<musl> Yes.
<bperry> did you ask two questions or one
<rehatz> one
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<musl> What are you trying to do with ARGV?
<bperry> are you wanting to pass an array as an arg to the script itself?
<musl> By the way, ARGV.last == ARGV[ARGV.size - 1] == ARGV[-1]
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<musl> ... == ARGV.pop
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<musl> ... except the last element is removed with pop :)
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<rehatz> I have a method that takes two arguments and I want the first argument to be ARGV[0] and the second to be the rest
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<bperry> that_method(ARGV[0], ARGV[1-ARGV.last])....def that_method(var1, var2)
<musl> or: wee( ARGV.first, *ARGV[1..-1] )
<bperry> var1 is now a valuetype and var2 is an array
<bperry> I didn't know about 1..-1
<bperry> that is neat
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<musl> unsplat, too, that way the second arg will be the array, not an array with the array in position 0
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<musl> but, that's all assuming we don't have control over the definition of 'wee' and can change it signature.
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<bperry> mine had a typo, should be 1..ARGV.last
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<rehatz> I must be doing something wrong, I keep getting "bad value for range"
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<musl> put some context in a pastie or gist and post a link
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<Kuhni> Okay, posted my issue on stackoverflow now, any help is highly appreciated. http://stackoverflow.com/questions/12718172/ruby-rgss3-rpg-maker-vx-ace-scripting-problems
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<blazes816> rehatz: try ARGV.size -1 instead of ARGV.last
<blazes816> ARGV.last is going to return the actual value of the last element, not its index
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<musl> blazes816: ARGV[1..-1]
<musl> :p
<blazes816> don't act that way musl
<blazes816> i won't have it
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<musl> Oh? I shall know how to act.
<blazes816> then do it!
<musl> Do what? :p isn't exactly offensive is it? I'd just posted that a few lines back.
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<blazes816> i'm just kidding man
<blazes816> long day
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<musl> Then we're on the same page. :)
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<swarles> grrr
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<Vinz_> roar ?
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<davidcelis> ror?
<swarles> i'm trying to get the nightly snapshot to compile so i can run gprof on it
<swarles> and see if i can make some modifications for speed ups
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* swarles prays for compilation
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<blazes816> make && make pray
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<bperry> make clean soul
<ekristen> are these two the same? https://gist.github.com/3830627
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<bperry> ekristen: looks like it
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<ekristen> bperry: ok
<ekristen> thanks
<bperry> do they behave differently for you?
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<ekristen> bperry: tough to say -- but it appears so, but it could just be a fluke
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<falieson_> http://pastie.org/4905387 line 72 how do I update the table for each of the hash opportunities? (example output: http://pastie.org/4904850 )
<bperry> they should behave the same
<falieson_> I'm not very comfortable with hash, just learning it
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<ablew_> Hey all, I've got an array of variable names I want to iterate over and then reference. How can I do this?
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