379334-380249

379116-380187 subjects 379525-395906

[ANN] rubygems-update 1.6.1 Released
379334 [drbrain@se m] rubygems-update version 1.6.1 has been released!
379375 [julian@co et] Doesn't an announcement usually add the diff in terms of feature set for upg=
379376 [ben@bl yt in] upgrades? Ie what's new?
379377 [julian@co et] Shouldn't people actually READ emails?

Same file in different apps
379336 [hemant.bharg] Well say if i need app/models/abc.rb of an existing application ABC into
379342 [samykaruppa@] I think following suggestions is help to solve your problem.

OS X 10.6 + 64bit Ruby + 32bit database?
379337 [charles@to r] Is this combination a no-no? What issues do I expect to come across?
379338 [cmdjackryan@] If the DB adapter is pure Ruby, you shouldn't have any issues. If the

parsing json document
379339 [vahagvardany] am just begening programming with ruby))
+ 379340 [samykaruppa@] It's a common problem for beginners. :) You just include the 'rubygems' at
+ 379341 [vahagvardany] Thanks!)) it's works on my computer))
  379351 [anurag08priy] Maybe you don't have json gem installed there. Use the gem command to find.

Splat operator gives an SystemStackError
379348 [g.diemant@gm] when I'm running this programm
379349 [justincollin] You are trying to pass in 150,000 arguments to a method. Surprisingly,
379350 [g.diemant@gm] So, you think there is a limit to the number of method arguments (at

Removing methods from an inherited class
379356 [ibc@al ax ne] it possible to remove method "hello" in the definition of class B?
379359 [mentionuse@g] Are you looking to do this to make it use A#hello instead of B#hello ? If
379361 [ibc@al ax ne] Kernel#undef_method is exactly what I was looking for :)

printing regex results
379362 [coding25@ya ] How do you get Ruby to print the string that matches a certain regex
+ 379363 [ibc@al ax ne] str = "aaaDDDbDDDcDDDgHHyHjHJkkjUUh"
| + 379364 [ibc@al ax ne] str = "aaaDDDbDDDcDDDgHHyHjHJkkjUUh"
| + 379372 [bbxx789_05ss] puts arr.class
|   379374 [samykaruppa@] try this,
|   379379 [bbxx789_05ss] Your regex drastically changes the meaning of the original regex.  Your
+ 379367 [bbxx789_05ss] scan() returns an array of full matches--unless you have groups in your
+ 379368 [bbxx789_05ss] scan() returns an array of full matches--unless you have groups in your
+ 379369 [bbxx789_05ss] Because you are interested in getting the whole match, create a group
+ 379370 [coding25@ya ] Thanks, I got it working now.

`dir_config': undefined method `split'
379365 [bellcolt@ho ] Having difficulty installing 'gem install mysql2'.  Getting these
379366 [djberg96@gm ] e'

[ANN] posix-spawn 0.3.0 -- first public release (codename, "tigers blood")
379378 [rtomayko@gm ] <https://github.com/rtomayko/posix-spawn>
379380 [headius@he d] Did you know about the "spoon" gem? It's a very simple binding of
+ 379381 [headius@he d] FWIW, https://github.com/headius/spoon
+ 379385 [rtomayko@gm ] Yes. I experimented with using spoon for JRuby support in Grit some
  379387 [rtomayko@gm ] I was able to make posix_spawn_file_actions_adddup2() and
  379397 [headius@he d] As you discovered, in JRuby IO.fileno is simulated. This is mostly

Is there a correct ruby1.9 document ?
379384 [raincolee@gm] I saw http://www.ruby-doc.org/core/ but there are some mistakes and missing

uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
379386 [rajesh.13kit] i have installed rails 2.3.8 in my machine. after the installation when
379389 [b.candler@po] "* RubyGems no longer requires 'thread'.  Rails < 3 will need to add

%s[ I think %s[] should build an array of symbols instead of a single symbol ]
379388 [yimutang@gm ] I find %s[] builds a single symbol.
+ 379403 [botpena@gm i] and so everyone elses programs :)
+ 379518 [shortcutter@] Or even

UTF-8 support - still stuck
379391 [tluedeke@ex ] OK, I appreciate the feedback on my last post regarding pattern matching
+ 379392 [sutniuq@gm .] Encode your string as UTF-8 and match it against an UTF-8 regexp.
| 379393 [sutniuq@gm .] What I forgot to mention: Some editors put an invisible BOM (Byte Order
+ 379396 [bbxx789_05ss] You can try and troubleshoot the problems you are having by determining
+ 379398 [bbxx789_05ss] By the way, if you read the strings from a file, it might be easier to
+ 379408 [tluedeke@ex ] ========================================
| + 379409 [sutniuq@gm .] Don't leave a blank line between the shebang line and the magic comment.
| + 379564 [bbxx789_05ss] In ruby, there is a variable called $KCODE.  If you set it to "UTF-8" (or just "U"), then it makes regular expressions match characters rather than single bytes.   If you set $KCODE to "N" (the default), then regular expressions will match single bytes (unless you use the /u flag on your regular expression).
| + 379565 [brabuhr@gm i] Are you absolutely certain that your file is UTF-8 encoded?
+ 379457 [axyd80@gm il] Add this line to your ~/.profile.

Multi-dimensional arrays not working
379399 [e.j.jurman@g] I am trying to make a 3D grid using an Array of Arrays of Arrays but am
379401 [hyagni@gm il] Array's initial value is not copied to each block, but every field
379404 [e.j.jurman@g] Thanks! Worked perfectly... I was trying to figure out why it wasn't

Blank lines generated by ERB - Can we prevent them?
379402 [RichardDummy] Ruby 1.8.6
+ 379437 [b.candler@po] It looks like erb comments don't support the -%> way of preventing the
| 379448 [RichardDummy] I didn't know there was an erb command-line executable.  Thanks for
+ 379472 [shortcutter@] al/Ruby_and_the_Web_Using_eruby.html

What does "ARGF.class" mean?
379406 [yimutang@gm ] ruby 1.9.2p180 (2011-02-18) [i386-mingw32]
+ 379407 [developer@al] #define argf_of(obj) (*(struct argf *)DATA_PTR(obj))
| 379411 [yimutang@gm ] I was confused with its class name "ARGF.class". If ARGF is an instance
| 379425 [developer@al] Right, I understand. I'm just pointing out that ARGF is, in fact, not a real class, and that Ruby treats ARGF differently from real classes.
+ 379442 [bbxx789_05ss] First note that your output is not ARGFCLASS.  You really are getting no
  379453 [gwtmp01@ma .] class
  379567 [bbxx789_05ss] Having a class actually named "ARGF.class" makes me think that ruby is

Ruby - Missed some core computer science world ?
379410 [lucky.develo] I am doing ruby programming and been developing rails3 apps for some
+ 379415 [rubfor@re it] Modern computers can have 100 cores and a zillion bytes of memory. There
| 379417 [gerard.cahil] I agree, in the Rails/Ruby community there is much more emphasis on beautiful code, testing, and maintainability.
+ 379416 [sandor.szuec] have
+ 379418 [lucky.develo] We can always say maintenance is more good than any other attribute. But
+ 379419 [cmdjackryan@] Algorithms are algorithms, datastructures are datastructures. They
+ 379421 [vderyagin@gm] ...
| 379422 [lethaljellyb] Wow, that is really awesome. Thanks for sharing!
| 379426 [developer@al] ...
+ 379473 [shortcutter@] Certainly not for me but it may be the case for the community on average.
+ 379476 [rubfor@re it] Robert
| + 379480 [shortcutter@] No, I don't think so.  I worry about DS&A all the time.  When I have a
| | 379482 [mentionuse@g] I could be wrong, and I hope this makes sense, because it's not entirely
| | 379486 [shortcutter@] Well, that could be.  Then "worrying about data structures and
| + 379484 [cmdjackryan@] How so?
+ 379489 [tony.arcieri] Not at all. I think Rubyists are some of the foremost users of Redis, a "DSL

Re: %sshould build an array of symbols instead of a single symbol ]
379412 [yimutang@gm ] If %s[] builds array of symbols, it will save numerous

How to get class of BasicObject ancestor (Ruby 1.9.2)?
379423 [axyd80@gm il] There's no :class method on BasicObject, is there any way to get class
+ 379427 [sean.ohalpin] module DefineClass
+ 379433 [bbxx789_05ss] You can inherit from BlankSlate instead of BasicObject, which was
| 379436 [bbxx789_05ss] Posted via http://www.ruby-forum.com/.
+ 379435 [bbxx789_05ss] ...or even simpler: just open up BasicObject and monkeypatch a class
| + 379443 [adgar@ca bo ] BasicObject as a singleton already has the class method (and it returns =
| | 379446 [sean.ohalpin] module DefineClass
| + 379447 [sean.ohalpin] You've changed the #class method of the BasicObject /class/, not the /insta=
+ 379456 [axyd80@gm il] Thanks for advices, good news for me is that I have small amount of

RCAP 0.4 Released
379429 [farrel.lifso] The Common Alerting Protocol is a lightweight standard to facilitate
379431 [sophrinix@gm] This is rather fascinating. How exactly does the JSON generation and parsing
379432 [farrel.lifso] The JSON addition is purely for my own usage. I read and parse the CAP

(ArgumentError) - in `initialize': wrong number of arguments (4 for 0)
379430 [52w7te9ara@s] Greetings all,

ruby script
379434 [emstolfo@gm ] call the method from the main method.  How do I do that?  Do I have to
+ 379438 [b.candler@po] Nope (although using modules can make your code easier to reuse and/or
| 379440 [emstolfo@gm ] to
+ 379439 [sutniuq@gm .] Ruby doesn't have a main method. Your script starts being executed at

class cannot find module
379441 [catsquotl@gm] I have a class and a module I want to mix in..
379444 [josh.cheek@g] Include doesn't work with files. Where is your file that you have defined
379466 [catsquotl@gm] Thank you, I must have missed the require 'file' part in the text book.

Module Mixin & Class Variables
379445 [jp.billaud@g] Hey,

Class Variables in EigenClass
379449 [jp.billaud@g] I am using Ruby 1.8.7 and I bumped into a weird behavior regarding
+ 379450 [jp.billaud@g] Actually it seems that for some reasons the @@test class variables ended
| 379454 [gwtmp01@ma .] ended=20
| 379637 [jrmair@gm il] Hey,
| 379642 [gwtmp01@ma .] which=20
| 380188 [jrmair@gm il] No, it *does* create a new lexical scope -- did you test it ? :)
| 380210 [gwtmp01@ma .] I think it was my sloppy terminology that was confusing.  My intent was that the phrase 'lexical scope' would refer to the scope that was relevant to constant and class variable resolution.  As you've pointed out, that phrase just is not specific enough as there is a lexical scope created for local variables by the singleton class notation (and blocks).  So there are at least two different types of lexical scopes that affect name resolution of variables and constants.  I'm not sure if there is any standard terminology used to differentiate them.  Perhaps that is part of the confusion.
+ 379459 [jp.billaud@g] Thanks Gary for the explanation. I was hoping the self logic would have
| 379494 [gwtmp01@ma .] They are not the same and are closer to the way constants are looked up =
+ 379619 [jp.billaud@g] Alright that explains the situation even though I feel that the dynamic
+ 380249 [sony.fermino] def eigen

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Re: [Swig-user] Ruby director question
379452 [tdihp@ho ma ] ...

mysql -- cannot connect (can in Perl)
379455 [jlpoole56@gm] My goal: to allow database connections to a remote database from Google
+ 379458 [sophrinix@gm] I don't know about dbi, but mysql2 gem is what I use for working with mysql.
+ 379460 [jlpoole56@gm] I believe that mysql2 requires that you have installed a full instance
| 379461 [sophrinix@gm] it does require libmysql, but other than that, I am not aware of it
| 379462 [jlpoole56@gm] If libmysql is required, should the instructions and/or the gem
| 379464 [sophrinix@gm] I am rather shocked that you have having such difficulties.
+ 379477 [jlpoole56@gm] I think the Perl script that is run on the same Windows machine as the

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Checking if two files are the same
379467 [coding25@ya ] I have a got a few folders which may have same files under different
+ 379468 [fxn@ha hr f.] There's File.compare.
| + 379474 [Reid.Thompso] +1
| + 379483 [colinb2r@go ] I'm interested in any (Ruby) solutions (actual or ideas) for this, as
|   379485 [fxn@ha hr f.] I have played with this as an exercise. The idea is to filter
+ 379514 [b.candler@po] Here is a little ruby script I use for finding and/or deleting duplicate
| 379517 [shortcutter@] irb(main):008:0> h=3D{};
+ 379521 [b.candler@po] It looks pretty obfuscated to my eyes, but each to his own.

basic programming question, help please
379469 [sbstn26@ya o] class Square
+ 379470 [g.diemant@gm] You want a class method, not an instance method.
+ 379471 [mayank.kohal] The class method in Ruby is represented using self.<method name> or <class
| 379495 [gwtmp01@ma .] <class
| 379501 [echristopher] ss
| + 379502 [mayank.kohal] After putting @@x = "defined in B" in class B it shows "defined in B" and
| | + 379505 [gwtmp01@ma .] See my reply to Eric Christopherson's post for an explanation.
| | + 379645 [echristopher] fy
| |   379650 [ap1900@gm il] Those version are known to have some quarks like that.  However, one guy did
| + 379504 [gwtmp01@ma .] You have to be very careful here if you are experimenting in irb, for example.
|   379506 [mayank.kohal] I am very new to Ruby and coming from C++ background, the class variables
|   + 379508 [gwtmp01@ma .] right. Most
|   + 379542 [bbxx789_05ss] Then here's a tip: some experts think class variables should be
+ 379490 [shadowfirebi] If you want to say "Square.count" then you need a class method and that's how you define one.
+ 379492 [bbxx789_05ss] class Square
| 379499 [bbxx789_05ss] Square.class_meth1
+ 379509 [smartandy007] Class methods are methods that are called on a class and instance

unsubscribe
379475 [felix@de si ] unsubscribe

Hamming Distance
379478 [mail@ma sh .] What is the fastest way to calculate the Hamming Distance between two
379481 [wyhaines@gm ] There are a bunch of ways. There isn't a built in xor of strings in
+ 379488 [shortcutter@] I'll throw in two other solutions for whoever wants to do a benchmark.
+ 379491 [wyhaines@gm ] Actually, I should revise that statement.  To get it really fast with
  379503 [botpena@gm i] am staying w your modest narray implem ;-)

http post and authorization header for twitter
379487 [s.w.timko@gm] I am trying to send an authorization header to the twitter api
+ 379500 [bbxx789_05ss] require 'net/http'
| 379537 [s.w.timko@gm] Thanks for the reply! So i tried that code and got this error: "Failed
+ 379538 [s.w.timko@gm] Thanks for the reply! So i tried that code and got this error: "Failed
| 379543 [bbxx789_05ss] No requires?
| 379544 [s.w.timko@gm] require "oauth"
| 379545 [bbxx789_05ss] ...and what requires did the code I posted use?
| 379547 [s.w.timko@gm] I had required net/http but just added net/https as well and I still get
+ 379540 [s.w.timko@gm] here are my headers. am i doing this correctly?
| 379546 [bbxx789_05ss] Those don't look like http headers.  Http headers look like
| 379548 [s.w.timko@gm] Now that we have our signature, we have everything we need to make the
+ 379549 [bbxx789_05ss] The http header name is "Authorization", so you have to write something
| + 379551 [s.w.timko@gm] Should it be like this (I made the value one giant string)?
| + 379552 [blowmage@gm ] FWIW, the headers are the third parameter to Net::HTTP#post and should
|   379553 [s.w.timko@gm] Thanks Mike,
+ 379562 [bbxx789_05ss] Thanks for the save Mike.

gem to deal with config file / program options
379493 [shadowfirebi] Short version:  What gems do people use to deal with program options in a YAML file and taken from the command line?  I seem to have too much choice to make a sensible decision as to which to use.
379507 [chris@ch is ] For command line arguments, Ruby's OptionParser is a part of the standard
379516 [shadowfirebi] A little more, yes.

Forms not seen by Mechanize (US Bank login)
379496 [dantes990@ya] I'm writing a script to login to my bank.  Here's how the login
379498 [brabuhr@gm i] * Perhaps there is a way to manipulate the DOM to add the missing form
379566 [dantes990@ya] I tried the mechanize add_field! method and it appears to properly add

MacRuby framework in Mac OS X 10.7
379497 [echristopher] I don't know how many people on this list use MacRuby but aren't on

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cant find header file ruby.h
379511 [bulls66@gm i] error.the error is attached in screen shot.
379519 [shortcutter@] What does "ls -ld /usr/lib64/ruby" tell you?  Does the user have
379522 [bulls66@gm i] deamax@usqlh05d3:~> ls -ld /usr/lib64/ruby
379531 [shortcutter@] Looks OK.
379622 [bulls66@gm i] 1)

one9 - a commandline tool to convert 1.8 code to ruby 1.9.2
379512 [gabriel.horn] Introducing one9, a commandline tool to make the upgrade to 1.9.2
379520 [ryand-ruby@z] That looks pretty sweet! I'll have to play with that!
379578 [gabriel.horn] now.html

Cross-compiling Ruby 1.9.2
379513 [max@sp rk ma] I am attempting to cross-compile Ruby 1.9.2 for ARM using Scratchbox (am
379515 [b.candler@po] This might not help you directly, but you could have a look at how
379640 [max@sp rk ma] I would probably try building it by hand only as a last resort. I have

rb-appscript installation on MAC OS 10.6.3 (Snow Leopard)
379523 [saurabhgupta] I am new user working on MAC OS and try to install rb-appscrip-0.6.0. I
+ 379556 [ryand-ruby@z] is
| 379585 [saurabhgupta] Thanks for the reply....
+ 379593 [saurabhgupta] When i Tried again i didnot find any rb-appscript gem under that. The
+ 379783 [matt@ti bi s] <http://appscript.sourceforge.net/rb-appscript/install.html>

Duplicate methods removal in Ruby's TODO ?
379524 [dunric29a@gm] as you know for sure, Ruby defines several method aliases of base
+ 379527 [yimutang@gm ] I just think some methods should add a trailing exclamation mark, which
| + 379530 [shadowfirebi] This bugs me, too.
| + 379535 [mentionuse@g] Using bang names to denote receiver-modifying methods is not the convention,
|   + 379539 [josh.cheek@g] I think it should become the convention. I consider the bang to be nearly
|   | 380014 [usenet@is ik] It is _normal_ in OO that objects change state, contrary to functional
|   | 380018 [josh.cheek@g] My point is not that OO languages are immutable, it is that bang methods are
|   | 380039 [shortcutter@] Hmm, I don't find it hard to be remembered that x.gsub! actually
|   + 379559 [shadowfirebi] As the article you link to says: the convention is neither intuitive nor easy to understand.
+ 379528 [shadowfirebi] Good gods, I hope not.  Where would the advantage be, if these methods are just aliases for each other?  And think of the number of programmers you would alienate!
+ 379532 [shortcutter@] These are not exchangeable.
  379533 [dunric29a@gm] I'd guess reasons are obvious. You have to remember not only method
  + 379558 [shortcutter@] If your memory gets low you can always swap that page out and reload it
  + 379561 [shadowfirebi] Which would, I admit, be a fine argument.  If it were not for the fact that ruby method names are all so damn intuitive.  I for one don't have to remember anything; the names tell me roughly what the method does.  And there is always ri to remind me of any details.
    379615 [Rob@Ag le on] This is why I personally do not use Hash#merge! and prefer Hash#update
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