# Ruby **URL:** https://www.ruby-forum.com/c/ruby/7.md?page=572 [Latest](https://www.ruby-forum.com/latest.md) · [Categories](https://www.ruby-forum.com/categories.md) · [Tags](https://www.ruby-forum.com/tags.md) **Page:** 573 --- ## [Jrubyc with '-' problem](https://www.ruby-forum.com/t/jrubyc-with-problem/191245)
**Author:** [@jinleileiking](https://www.ruby-forum.com/u/jinleileiking)\ **Replies:** 1\ **Last updated:** [July 8, 2010, 9:05am UTC](https://www.ruby-forum.com/t/jrubyc-with-problem/191245 "2010-07-08T09:05:09Z")
when run: jrubyc ruby-des.rb, it generates: Compiling ruby-des.rb to class ruby\_minus\_des i want to get ruby-des.class. Is there any good way? --- ## [Treequel 1.0.4](https://www.ruby-forum.com/t/treequel-1-0-4/191248)
**Author:** [@mgreenly](https://www.ruby-forum.com/u/mgreenly)\ **Replies:** 0\ **Last updated:** [July 8, 2010, 8:33am UTC](https://www.ruby-forum.com/t/treequel-1-0-4/191248 "2010-07-08T08:33:32Z")
Version 1.0.4 of treequel has been released. Treequel is an LDAP toolkit for Ruby. It is intended to allow quick, easy access to LDAP directories in a manner consistent with LDAP’s hierarchical, free-form nature. … --- ## [Extending OpenStruct to be lazy and recursive](https://www.ruby-forum.com/t/extending-openstruct-to-be-lazy-and-recursive/191244)
**Author:** [@kuzb](https://www.ruby-forum.com/u/kuzb)\ **Replies:** 3\ **Last updated:** [July 8, 2010, 6:18am UTC](https://www.ruby-forum.com/t/extending-openstruct-to-be-lazy-and-recursive/191244 "2010-07-08T06:18:42Z")
I’m trying to extend OpenStruct for an application I’m building, where I’d like to access nested hashes as models. OpenStruct (in core) sounds perfect for this, but I ran into two problems: Recursion My hashes have … --- ## [How can i make connecting MS SQL Sever using jruby + ar](https://www.ruby-forum.com/t/how-can-i-make-connecting-ms-sql-sever-using-jruby-ar/190947)
**Author:** [@jinleileiking](https://www.ruby-forum.com/u/jinleileiking)\ **Replies:** 11\ **Last updated:** [July 8, 2010, 5:23am UTC](https://www.ruby-forum.com/t/how-can-i-make-connecting-ms-sql-sever-using-jruby-ar/190947 "2010-07-08T05:23:51Z")
how can i make connecting MS SQL Sever using jruby + Active record? Env: jruby 1.5.1 + win xp… gem installed : activerecord-sqlserver-adapter-2.3.8.gem test case: require “rubygems” require “active\_record” Acti… --- ## [Symbols vs. variable](https://www.ruby-forum.com/t/symbols-vs-variable/191225)
**Author:** [@swengineer](https://www.ruby-forum.com/u/swengineer)\ **Replies:** 3\ **Last updated:** [July 8, 2010, 4:34am UTC](https://www.ruby-forum.com/t/symbols-vs-variable/191225 "2010-07-08T04:34:46Z")
What is the main difference between using a symbol (begins with :), and a variable? When should we use one over another? Thanks. --- ## [JRuby 1.5.0.RC1 + Rails3: OutOfMemoryError: Java heap space](https://www.ruby-forum.com/t/jruby-1-5-0-rc1-rails3-outofmemoryerror-java-heap-space/191215)
**Author:** [@Leonardo\_Borges](https://www.ruby-forum.com/u/Leonardo_Borges)\ **Replies:** 5\ **Last updated:** [July 8, 2010, 3:32am UTC](https://www.ruby-forum.com/t/jruby-1-5-0-rc1-rails3-outofmemoryerror-java-heap-space/191215 "2010-07-08T03:32:09Z")
Hi guys, So I have just finished upgrading a simple rails app to rails 3 and am getting the following stack trace when starting up with tomcat (also tested on jetty): Does it ring any bells? If not, I can prepare a… --- ## [\[feature:trunk\] %:z and %::z for strftime](https://www.ruby-forum.com/t/feature-trunk-z-and-z-for-strftime/191202)
**Author:** [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\ **Replies:** 2\ **Last updated:** [July 7, 2010, 11:07pm UTC](https://www.ruby-forum.com/t/feature-trunk-z-and-z-for-strftime/191202 "2010-07-07T23:07:37Z")
strftime e$B$Ge(B %:z e$B$He(B %::z e$B$H$$$&;XDj$r2DG=$K$9$k$N$O$I$&$G$7$g$&$+!#e(B % ./ruby -e ‘p Time.now.strftime("%z %:z %::z")’ “+0900 +09:00 +09:00:00” e$B;~:9$r%U%)!\<%^%C%H$9$k$N$K8=:\_$Oe(B %z e$B$,$"$j$^$9$,… --- ## [\[ANN\] Win32::Screenshot 0.0.5](https://www.ruby-forum.com/t/ann-win32-screenshot-0-0-5/191236)
**Author:** [@juuser](https://www.ruby-forum.com/u/juuser)\ **Replies:** 0\ **Last updated:** [July 7, 2010, 10:58pm UTC](https://www.ruby-forum.com/t/ann-win32-screenshot-0-0-5/191236 "2010-07-07T22:58:13Z")
Hello! I’ve release version 0.0.5 of Win32::Screenshot - Capture Screenshots on Windows with Ruby! = 0.0.5 2010-07-07 Added method window\_area for capturing specified area of the window instead of full window (Jarm… --- ## [Ruby 1.9.1-p429](https://www.ruby-forum.com/t/ruby-1-9-1-p429/191221)
**Author:** [@mitkok](https://www.ruby-forum.com/u/mitkok)\ **Replies:** 2\ **Last updated:** [July 7, 2010, 10:05pm UTC](https://www.ruby-forum.com/t/ruby-1-9-1-p429/191221 "2010-07-07T22:05:34Z")
Hey, guys. Just wanted to try out ruby 1.9.1-p492 through rvm, but I’ve got nasty error message while compiling it. Any ideas ? \[2010-07-03 15:43:45\] make eval.c: In function ‘ruby\_cleanup’: eval.c:139: warning:… --- ## [Mail issue](https://www.ruby-forum.com/t/mail-issue/191228)
**Author:** [@di3go](https://www.ruby-forum.com/u/di3go)\ **Replies:** 1\ **Last updated:** [July 7, 2010, 9:25pm UTC](https://www.ruby-forum.com/t/mail-issue/191228 "2010-07-07T21:25:45Z")
Hello! I need to get mails from a mail server using pop3, save to disk to later resend. The get part: pop = Net::POP3.new ‘mail server’ pop.start ‘address’, ‘password’ if pop.mails.empty? puts “No mail” else put… --- ## [IronRuby-Rake-0.0.9-Universal-dotnet only for IIS 7?](https://www.ruby-forum.com/t/ironruby-rake-0-0-9-universal-dotnet-only-for-iis-7/191231)
**Author:** [@nickh](https://www.ruby-forum.com/u/nickh)\ **Replies:** 2\ **Last updated:** [July 7, 2010, 9:15pm UTC](https://www.ruby-forum.com/t/ironruby-rake-0-0-9-universal-dotnet-only-for-iis-7/191231 "2010-07-07T21:15:13Z")
I have a Windows XP machine and noticed when i try and run the deploy2iis i get an error (see below). Looking at the source of the error its trying to do something with the user IIS\_IUSRS which isn’t a user under Win… --- ## [Ruby switches](https://www.ruby-forum.com/t/ruby-switches/191195)
**Author:** [@kentorwow](https://www.ruby-forum.com/u/kentorwow)\ **Replies:** 10\ **Last updated:** [July 7, 2010, 7:15pm UTC](https://www.ruby-forum.com/t/ruby-switches/191195 "2010-07-07T19:15:13Z")
Let’s say I have something like this case when “”.empty? then puts “Empty” when “”.nil? then puts “Nil” when “”.include?(“a”) then puts “Includes ‘a’” end Is there a way to do something like this in… --- ## [Global method usage in standard libs](https://www.ruby-forum.com/t/global-method-usage-in-standard-libs/191204)
**Author:** [@Alexander\_ESFische](https://www.ruby-forum.com/u/Alexander_ESFische)\ **Replies:** 1\ **Last updated:** [July 7, 2010, 7:12pm UTC](https://www.ruby-forum.com/t/global-method-usage-in-standard-libs/191204 "2010-07-07T19:12:17Z")
I noticed that at least some of the standard libs use global methods to provide some kind of shortcut to the actual new method. For example the excellent Pathname class’ objects can be generated either by Pathname.new… --- ## [Rubygarden?](https://www.ruby-forum.com/t/rubygarden/191173)
**Author:** [@rogerdpack](https://www.ruby-forum.com/u/rogerdpack)\ **Replies:** 6\ **Last updated:** [July 7, 2010, 6:06pm UTC](https://www.ruby-forum.com/t/rubygarden/191173 "2010-07-07T18:06:31Z")
Anybody know what happened to rubygarden.org? -r --- ## [Problem of share variable in function using thread](https://www.ruby-forum.com/t/problem-of-share-variable-in-function-using-thread/191158)
**Author:** [@Nita\_N](https://www.ruby-forum.com/u/Nita_N)\ **Replies:** 3\ **Last updated:** [July 7, 2010, 5:55pm UTC](https://www.ruby-forum.com/t/problem-of-share-variable-in-function-using-thread/191158 "2010-07-07T17:55:35Z")
Hi All I got a little problem when using thread function and variable, let’s say this code : require ‘rubygems’ require ‘watir’ require ‘thread’ def testfunc(id) total = id + 5 puts “id #{id} is #{total}” end t… --- ## [Ruby 1.9 Old School $LOAD\_PATH](https://www.ruby-forum.com/t/ruby-1-9-old-school-load-path/191212)
**Author:** [@tcsnide](https://www.ruby-forum.com/u/tcsnide)\ **Replies:** 1\ **Last updated:** [July 7, 2010, 5:02pm UTC](https://www.ruby-forum.com/t/ruby-1-9-old-school-load-path/191212 "2010-07-07T17:02:16Z")
In Ruby 1.9+ is there a way to get the $LOAD\_PATH without the gem entries? I need access to the old-school style load path. --- ## [RubyGems on GitHub](https://www.ruby-forum.com/t/rubygems-on-github/191214)
**Author:** [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\ **Replies:** 1\ **Last updated:** [July 7, 2010, 4:48pm UTC](https://www.ruby-forum.com/t/rubygems-on-github/191214 "2010-07-07T16:48:13Z")
All, As Nick recently announced at RailsConf, we’ve moved the RubyGems repo to GitHub (RubyGems · GitHub). If you’ve ever wanted to change (or fix) anything about RubyGems, it’s time to put your money where your mout… --- ## [Consuming a SOAP Service in Ruby](https://www.ruby-forum.com/t/consuming-a-soap-service-in-ruby/191144)
**Author:** [@saeed](https://www.ruby-forum.com/u/saeed)\ **Replies:** 2\ **Last updated:** [July 7, 2010, 4:41pm UTC](https://www.ruby-forum.com/t/consuming-a-soap-service-in-ruby/191144 "2010-07-07T16:41:46Z")
Hi, I am trying to consume a SOAP service. I don’t know a lot about this area but from what I have read, I have come up with the following code so far; require ‘soap/wsdlDriver’ wsdl=“http://realtime.nationalrail.co… --- ## [Hashes don't allow preceding commas by design?](https://www.ruby-forum.com/t/hashes-dont-allow-preceding-commas-by-design/191189)
**Author:** [@tensaiji](https://www.ruby-forum.com/u/tensaiji)\ **Replies:** 11\ **Last updated:** [July 7, 2010, 3:59pm UTC](https://www.ruby-forum.com/t/hashes-dont-allow-preceding-commas-by-design/191189 "2010-07-07T15:59:36Z")
This is the output from irb that shows ruby 1.9.1 doesn’t like hash entries to be preceded by a comma, only ended by one: myhash3 = { :first =\> “first”, :second =\> “second” } {:first=\>“first”, :second=\>“second”} m… --- ## [Is there any best OCR library in Ruby?](https://www.ruby-forum.com/t/is-there-any-best-ocr-library-in-ruby/191209)
**Author:** [@mokkai](https://www.ruby-forum.com/u/mokkai)\ **Replies:** 0\ **Last updated:** [July 7, 2010, 3:44pm UTC](https://www.ruby-forum.com/t/is-there-any-best-ocr-library-in-ruby/191209 "2010-07-07T15:44:48Z")
is there any best OCR(Optical Character Recognition) library in Ruby ? --- ## [Global methods in Ruby standard lib](https://www.ruby-forum.com/t/global-methods-in-ruby-standard-lib/191203)
**Author:** [@Alexander\_ESFische](https://www.ruby-forum.com/u/Alexander_ESFische)\ **Replies:** 1\ **Last updated:** [July 7, 2010, 3:06pm UTC](https://www.ruby-forum.com/t/global-methods-in-ruby-standard-lib/191203 "2010-07-07T15:06:18Z")
I noticed that at least some of the standard libs use global methods to provide some kind of shortcut to the actual new method. For example the excellent Pathname class’ objects can be generated either by Pathname.new… --- ## [Error on tomcat console in Jruby on rails project](https://www.ruby-forum.com/t/error-on-tomcat-console-in-jruby-on-rails-project/190123)
**Author:** [@yani\_engico](https://www.ruby-forum.com/u/yani_engico)\ **Replies:** 7\ **Last updated:** [July 7, 2010, 2:21pm UTC](https://www.ruby-forum.com/t/error-on-tomcat-console-in-jruby-on-rails-project/190123 "2010-07-07T14:21:38Z")
Hi, I am developping a rails project and i am using jruby instead of ruby. I got this error continuously on my console: java.lang.NullPointerException at com.kenai.jffi.Function.finalize(Function.java:177) at java.l… --- ## [Rdoc 2.5.9 Released](https://www.ruby-forum.com/t/rdoc-2-5-9-released/191177)
**Author:** [@miracleofmagick](https://www.ruby-forum.com/u/miracleofmagick)\ **Replies:** 1\ **Last updated:** [July 7, 2010, 1:20pm UTC](https://www.ruby-forum.com/t/rdoc-2-5-9-released/191177 "2010-07-07T13:20:53Z")
rdoc version 2.5.9 has been released! RDoc Project Page - http://rubyforge.org/projects/rdoc/ RDoc Documentation - http://rdoc.rubyforge.org/ RDoc Bug Tracker - http://rubyforge.org/tracker/?atid=2472&group\_id=627&f… --- ## [Problem wrapping Voldemort client Java class into JRuby class: dependencies not loading](https://www.ruby-forum.com/t/problem-wrapping-voldemort-client-java-class-into-jruby-class-dependencies-not-loading/191121)
**Author:** [@Russell\_J](https://www.ruby-forum.com/u/Russell_J)\ **Replies:** 2\ **Last updated:** [July 7, 2010, 9:20am UTC](https://www.ruby-forum.com/t/problem-wrapping-voldemort-client-java-class-into-jruby-class-dependencies-not-loading/191121 "2010-07-07T09:20:48Z")
I am trying to use the Voldemort http://project-voldemort.com/ Java client from JRuby by wrapping the voldemort.clienthttp://github.com/voldemort/voldemort/tree/master/src/java/voldemort/client/ Java class in a JRub… --- ## [DTD documents and Ruby](https://www.ruby-forum.com/t/dtd-documents-and-ruby/191182)
**Author:** [@barjunk](https://www.ruby-forum.com/u/barjunk)\ **Replies:** 0\ **Last updated:** [July 7, 2010, 8:05am UTC](https://www.ruby-forum.com/t/dtd-documents-and-ruby/191182 "2010-07-07T08:05:53Z")
Has anyone ever run across some tools that would read a DTD and produce usable Ruby classes from that? Seems like quite a daunting task, but thought maybe someone has given it a shot. I did find the Quickbooks Ruby g… --- ## [Namespacing a class](https://www.ruby-forum.com/t/namespacing-a-class/190448)
**Author:** [@Eric\_MSP\_Veith](https://www.ruby-forum.com/u/Eric_MSP_Veith)\ **Replies:** 17\ **Last updated:** [July 7, 2010, 5:19am UTC](https://www.ruby-forum.com/t/namespacing-a-class/190448 "2010-07-07T05:19:07Z")
\-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello List, what’s the difference between: —%\<— namespace A class B def foo # … end end end —\>%— and —%\<— class C def bar … end end —\>%— Besindes, of cours… --- ## [Respond\_to?(\) returns true](https://www.ruby-forum.com/t/respond-to-protected-method-name-returns-true/183912)
**Author:** [@Akinori\_MUSHA](https://www.ruby-forum.com/u/Akinori_MUSHA)\ **Replies:** 13\ **Last updated:** [July 7, 2010, 4:39am UTC](https://www.ruby-forum.com/t/respond-to-protected-method-name-returns-true/183912 "2010-07-07T04:39:54Z")
　今さらかもしれませんが、 respond\_to? で protected メソッドを 検査すると真になるのってそういうものでしたっけ。 　respond\_to? を使う目的を考えると釈然としない… --- ## [Extending a core class cleanly \[noobish alert\]](https://www.ruby-forum.com/t/extending-a-core-class-cleanly-noobish-alert/191118)
**Author:** [@fearless\_fool](https://www.ruby-forum.com/u/fearless_fool)\ **Replies:** 4\ **Last updated:** [July 7, 2010, 2:59am UTC](https://www.ruby-forum.com/t/extending-a-core-class-cleanly-noobish-alert/191118 "2010-07-07T02:59:48Z")
Assume I’d like to create a statistics package designed to work on Arrays \[but see P.S.\]. One way to do this would be to create functions that take an array as an argument: def mean(array) return NaN unless array && … --- ## [Save your money and open all blocked sites now](https://www.ruby-forum.com/t/save-your-money-and-open-all-blocked-sites-now/191168)
**Author:** [@porxy](https://www.ruby-forum.com/u/porxy)\ **Replies:** 0\ **Last updated:** [July 6, 2010, 11:10pm UTC](https://www.ruby-forum.com/t/save-your-money-and-open-all-blocked-sites-now/191168 "2010-07-06T23:10:54Z")
save your money and open all blocked sites now just enter to this proxy and put your site for free --- ## [Synchronize a "mocked" clock in a distributed system](https://www.ruby-forum.com/t/synchronize-a-mocked-clock-in-a-distributed-system/190987)
**Author:** [@cremes](https://www.ruby-forum.com/u/cremes)\ **Replies:** 12\ **Last updated:** [July 6, 2010, 8:47pm UTC](https://www.ruby-forum.com/t/synchronize-a-mocked-clock-in-a-distributed-system/190987 "2010-07-06T20:47:28Z")
I’ve been banging on a problem for a few days now and don’t feel any closer to solving it. I’m hoping some of the big brains on the ruby ML can shed some light. Following are a few paragraphs with a brief system overv… [Previous page](https://www.ruby-forum.com/c/ruby/7.md?page=571) [Next page](https://www.ruby-forum.com/c/ruby/7.md?page=573)