# Ruby **URL:** https://www.ruby-forum.com/c/ruby/7.md?page=1472 [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:** 1473 --- ## [Testing Thread and sleep](https://www.ruby-forum.com/t/testing-thread-and-sleep/103228)
**Author:** [@jmaenpaa](https://www.ruby-forum.com/u/jmaenpaa)\ **Replies:** 5\ **Last updated:** [May 3, 2007, 10:01pm UTC](https://www.ruby-forum.com/t/testing-thread-and-sleep/103228 "2007-05-03T22:01:06Z")
Greetings All: I’m writing a script that calls an external program using popen. The program has the potential to run forever, but I what to kill it if it has not found a solution in 10 seconds. I have therefore set … --- ## [Array to Hash](https://www.ruby-forum.com/t/array-to-hash/103277)
**Author:** [@Josselin](https://www.ruby-forum.com/u/Josselin)\ **Replies:** 13\ **Last updated:** [May 3, 2007, 9:51pm UTC](https://www.ruby-forum.com/t/array-to-hash/103277 "2007-05-03T21:51:05Z")
is it possible to convert easily an Array like this one : \[ nil, “b”, nil, nil, nil , “f”, “g”, nil, nil, “j”\] to an Hash like this one { 1 =\> “b”, 5 =\> “f”, 6 =\> “g”, 9 =\> “j” } where the key is the position of a … --- ## [Array slicing](https://www.ruby-forum.com/t/array-slicing/103256)
**Author:** [@Josselin](https://www.ruby-forum.com/u/Josselin)\ **Replies:** 11\ **Last updated:** [May 3, 2007, 9:40pm UTC](https://www.ruby-forum.com/t/array-slicing/103256 "2007-05-03T21:40:04Z")
given an array anArray = \[\[“a”, 1, 1\], \[“b”, 1, 2\], \[“c”, 1, 5\], \[“z”, 1, 1\], \[“e”, 1, 5\], \[“f”, 1, 6\], \[“g”, 1, 1\], \[“h”, 1, 3\], \[“i”, 1, 1\], \[“j”, 1, 2\], \[“k”, 1, 1\], \[“y”, 1, 6\], \[“m”, 1, 1\], \[“u”, 1, 2\], \[“v”, 1, … --- ## [Search and replace text in files](https://www.ruby-forum.com/t/search-and-replace-text-in-files/103282)
**Author:** [@philswenson](https://www.ruby-forum.com/u/philswenson)\ **Replies:** 3\ **Last updated:** [May 3, 2007, 9:36pm UTC](https://www.ruby-forum.com/t/search-and-replace-text-in-files/103282 "2007-05-03T21:36:02Z")
I need to search a file for text “InstallDir=” + newline character and replace it with something like: InstallDir=C:\\mws71 + newline My own experimentation with this had problems with writing the back- slashes to the… --- ## [Ruby and SIGVTALRM](https://www.ruby-forum.com/t/ruby-and-sigvtalrm/103189)
**Author:** [@joshmh](https://www.ruby-forum.com/u/joshmh)\ **Replies:** 1\ **Last updated:** [May 3, 2007, 7:41pm UTC](https://www.ruby-forum.com/t/ruby-and-sigvtalrm/103189 "2007-05-03T19:41:50Z")
Hi, Why would SIGVTALRM ever cause IO#sysread to throw EINTR? I’m having a problem where a Net::HTTP connection is repeatedly dying because its IO#sysread call is being interrupted and raising EINTR. I have attache… --- ## [Creating a local mirror of rubyforge?](https://www.ruby-forum.com/t/creating-a-local-mirror-of-rubyforge/103275)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 1\ **Last updated:** [May 3, 2007, 6:30pm UTC](https://www.ruby-forum.com/t/creating-a-local-mirror-of-rubyforge/103275 "2007-05-03T18:30:03Z")
I’ve been told that we cannot open our internal developer machine firewall to get access to plugins and gems from rubyforge. I was told that it would be better to do a local mirror behind our firewall that does a nig… --- ## [Rubyforge SCM browser not updating](https://www.ruby-forum.com/t/rubyforge-scm-browser-not-updating/103220)
**Author:** [@Clifford\_H](https://www.ruby-forum.com/u/Clifford_H)\ **Replies:** 2\ **Last updated:** [May 3, 2007, 5:16pm UTC](https://www.ruby-forum.com/t/rubyforge-scm-browser-not-updating/103220 "2007-05-03T17:16:52Z")
The RubyForge SCM pages on viewvc.rubyforge.mmmultiworks.com haven’t updated their view of my ActiveFacts project (at http://viewvc.rubyforge.mmmultiworks.com/cgi/viewvc.cgi/?root=activefacts) in more than 24 hours, d… --- ## [Array.which\_long? ( I coded an extension for Array )](https://www.ruby-forum.com/t/array-which-long-i-coded-an-extension-for-array/93223)
**Author:** [@cfc](https://www.ruby-forum.com/u/cfc)\ **Replies:** 30\ **Last updated:** [May 3, 2007, 4:28pm UTC](https://www.ruby-forum.com/t/array-which-long-i-coded-an-extension-for-array/93223 "2007-05-03T16:28:43Z")
Hi, I’m CFC I’m new at here. Nice to meet you:) I just coded an extension for Array. It will return the longest element of an array. Source: class Array def which\_long? # Version 1.0 # Coded by CFC \< zusocfc @ g… --- ## [Command-line option parsing](https://www.ruby-forum.com/t/command-line-option-parsing/51207)
**Author:** [@Eric\_JSRoode](https://www.ruby-forum.com/u/Eric_JSRoode)\ **Replies:** 17\ **Last updated:** [May 3, 2007, 2:13pm UTC](https://www.ruby-forum.com/t/command-line-option-parsing/51207 "2007-05-03T14:13:10Z")
Greetings, I'm new to ruby (from Perl). I notice there are several command-line options parsing modules. The two that stuck out were GetoptLong and OptionsParser. GetoptLong suffers from being “the same old Getop… --- ## [It doesn't produce any output!](https://www.ruby-forum.com/t/it-doesnt-produce-any-output/103164)
**Author:** [@yusufcelik](https://www.ruby-forum.com/u/yusufcelik)\ **Replies:** 4\ **Last updated:** [May 3, 2007, 2:02pm UTC](https://www.ruby-forum.com/t/it-doesnt-produce-any-output/103164 "2007-05-03T14:02:07Z")
Hi, I wonder if something is wrong with the following code. Because, it doesn’t produce any output. BTW, I am new to Ruby. Regards yc include ObjectSpace a=b=c=“A” define\_finalizer(a, proc {|id| puts “Finalizer … --- ## [Fwd: Ruby Quiz solution](https://www.ruby-forum.com/t/fwd-ruby-quiz-solution/174972)
**Author:** [@bbazzarrakk](https://www.ruby-forum.com/u/bbazzarrakk)\ **Replies:** 0\ **Last updated:** [May 3, 2007, 1:55pm UTC](https://www.ruby-forum.com/t/fwd-ruby-quiz-solution/174972 "2007-05-03T13:55:06Z")
Begin forwarded message: --- ## [Gem update hangs (yaml slow on big dataset)](https://www.ruby-forum.com/t/gem-update-hangs-yaml-slow-on-big-dataset/103251)
**Author:** [@arjackson](https://www.ruby-forum.com/u/arjackson)\ **Replies:** 0\ **Last updated:** [May 3, 2007, 12:01pm UTC](https://www.ruby-forum.com/t/gem-update-hangs-yaml-slow-on-big-dataset/103251 "2007-05-03T12:01:35Z")
Hi all, I am having a heck of a time trying to get gems working on a ubuntu system. I get exactly what is described at http://rubygems.org/read/chapter/19#page96 I have a problem with RubyGems. It doesn’t matter wha… --- ## [Shell script with arguments within perl script](https://www.ruby-forum.com/t/shell-script-with-arguments-within-perl-script/103205)
**Author:** [@jay](https://www.ruby-forum.com/u/jay)\ **Replies:** 8\ **Last updated:** [May 3, 2007, 10:48am UTC](https://www.ruby-forum.com/t/shell-script-with-arguments-within-perl-script/103205 "2007-05-03T10:48:26Z")
Hi! I wanted to run the system command with in Perl script to execute shell script with argument. I need to know the correct syntax for the arguments. Ex.) #/opt/bin/perl system(“shellscript.sh” , ); I am getting … --- ## [Threads, dRuby](https://www.ruby-forum.com/t/threads-druby/103217)
**Author:** [@ddancer](https://www.ruby-forum.com/u/ddancer)\ **Replies:** 1\ **Last updated:** [May 3, 2007, 7:20am UTC](https://www.ruby-forum.com/t/threads-druby/103217 "2007-05-03T07:20:54Z")
Not sure where to start, so I’ll just jump in… I have a dRuby server which runs a thread for each request. The request fires off some processing that includes working with FireRuby and libxml, libxsl. Here’s the weir… --- ## [Making executable =P](https://www.ruby-forum.com/t/making-executable-p/103212)
**Author:** [@raelz](https://www.ruby-forum.com/u/raelz)\ **Replies:** 3\ **Last updated:** [May 3, 2007, 6:59am UTC](https://www.ruby-forum.com/t/making-executable-p/103212 "2007-05-03T06:59:53Z")
Ehm… noob question though I did not really understood the ruby2exe thingy, i tried things like C:\\Myhacks\\EXE\\rb2exe-0.2\>rb2exe.exe ut.rb C:\\Myhacks\\EXE\\rb2exe-0.2\>rb2exe.exe ut.rb w C:\\Myhacks\\EXE\\rb2exe-0.2\>rb2exe.… --- ## [\[ANN\] Ruby-VPI 16.0.0](https://www.ruby-forum.com/t/ann-ruby-vpi-16-0-0/103233)
**Author:** [@snk](https://www.ruby-forum.com/u/snk)\ **Replies:** 0\ **Last updated:** [May 3, 2007, 6:55am UTC](https://www.ruby-forum.com/t/ann-ruby-vpi-16-0-0/103233 "2007-05-03T06:55:46Z")
Ruby-VPI is a Ruby interface to IEEE 1364-2005 Verilog VPI and a platform for unit testing, rapid prototyping, and systems integration of Verilog modules through Ruby. It lets you create complex Verilog test benches e… --- ## [\#122 Credit Card Validator (solution)](https://www.ruby-forum.com/t/122-credit-card-validator-solution/103229)
**Author:** [@illusoft](https://www.ruby-forum.com/u/illusoft)\ **Replies:** 0\ **Last updated:** [May 3, 2007, 5:03am UTC](https://www.ruby-forum.com/t/122-credit-card-validator-solution/103229 "2007-05-03T05:03:45Z")
It’s a hack job, nothing terribly pretty or well abstracted, but it certainly hits the 80% mark. num = ARGV.join def luhn(number) double = true luhn = 0 number.scan(/./) do |digit| n = digit.to\_i \* (double ? 2 : … --- ## [Compiling Ruby C extension on windows problem](https://www.ruby-forum.com/t/compiling-ruby-c-extension-on-windows-problem/103209)
**Author:** [@harryspier](https://www.ruby-forum.com/u/harryspier)\ **Replies:** 1\ **Last updated:** [May 3, 2007, 12:42am UTC](https://www.ruby-forum.com/t/compiling-ruby-c-extension-on-windows-problem/103209 "2007-05-03T00:42:32Z")
Dear list members, I am using a Windows-XP box with Ruby 1.8.6 installed with the one-click-installer. I am trying to get a simple example of a C extension to Ruby to compile on Windows. I’m trying to get recipe 22.… --- ## [\- Madison Rails meeting May 8th - Amazon Web Services](https://www.ruby-forum.com/t/madison-rails-meeting-may-8th-amazon-web-services/103206)
**Author:** [@rsanheim](https://www.ruby-forum.com/u/rsanheim)\ **Replies:** 0\ **Last updated:** [May 2, 2007, 11:00pm UTC](https://www.ruby-forum.com/t/madison-rails-meeting-may-8th-amazon-web-services/103206 "2007-05-02T23:00:22Z")
Join the Madison Ruby on Rails group on May 9th at 6 pm for a presentation by Mike Culver, a Web Services Evangelist from Amazon. The full details of the event are here: http://madisonrails.com/wiki/pages/Amazon+Web+S… --- ## [How to save and display a newlinefeed with rails?](https://www.ruby-forum.com/t/how-to-save-and-display-a-newlinefeed-with-rails/103148)
**Author:** [@anansi](https://www.ruby-forum.com/u/anansi)\ **Replies:** 3\ **Last updated:** [May 2, 2007, 10:52pm UTC](https://www.ruby-forum.com/t/how-to-save-and-display-a-newlinefeed-with-rails/103148 "2007-05-02T22:52:20Z")
Hi, in my little rails application I’ve made a little database (create.sql) like this: drop table if exists entries; create table entries ( id int not null auto\_increment, headline varch… --- ## [JRuby T-Shirts for Contributors](https://www.ruby-forum.com/t/jruby-t-shirts-for-contributors/103198)
**Author:** [@headius](https://www.ruby-forum.com/u/headius)\ **Replies:** 2\ **Last updated:** [May 2, 2007, 9:55pm UTC](https://www.ruby-forum.com/t/jruby-t-shirts-for-contributors/103198 "2007-05-02T21:55:11Z")
Hey, I’ve managed to get around 100 JRuby shirts printed up for giveaway at JavaOne and RailsConf. I wouldn’t imagine a lot of you will be at JavaOne, but RailsConf is another matter. But there’s a catch: they’re for … --- ## [MySQL gem problem on OS X](https://www.ruby-forum.com/t/mysql-gem-problem-on-os-x/103171)
**Author:** [@john\_old](https://www.ruby-forum.com/u/john_old)\ **Replies:** 5\ **Last updated:** [May 2, 2007, 9:45pm UTC](https://www.ruby-forum.com/t/mysql-gem-problem-on-os-x/103171 "2007-05-02T21:45:11Z")
Help. On OS X 10.4.9 When trying to run a simple file starting with: require ‘rubygems’ require ‘mysql’ … I get this: /usr/local/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:27:in gem\_original\_require': no s… --- ## [File & split](https://www.ruby-forum.com/t/file-split/103105)
**Author:** [@kula](https://www.ruby-forum.com/u/kula)\ **Replies:** 9\ **Last updated:** [May 2, 2007, 9:17pm UTC](https://www.ruby-forum.com/t/file-split/103105 "2007-05-02T21:17:30Z")
hi everyone, I’m very, very fresh in ruby so I’m looking for help with a small problem. I’ve got a log file from wget and I have to evaluate average download speed when downloading is still going, so I’m trying to do… --- ## [Qt4-ruby-mswin32 progress](https://www.ruby-forum.com/t/qt4-ruby-mswin32-progress/103097)
**Author:** [@Shea\_M](https://www.ruby-forum.com/u/Shea_M)\ **Replies:** 1\ **Last updated:** [May 2, 2007, 9:15pm UTC](https://www.ruby-forum.com/t/qt4-ruby-mswin32-progress/103097 "2007-05-02T21:15:08Z")
Has there been any progress on a gem for qt4-ruby on windows with msvc++? Even an unofficial binary would be great. ~S --- ## [Re: Checking Credit Cards (#122)](https://www.ruby-forum.com/t/re-checking-credit-cards-122/103194)
**Author:** [@chaserx](https://www.ruby-forum.com/u/chaserx)\ **Replies:** 0\ **Last updated:** [May 2, 2007, 8:38pm UTC](https://www.ruby-forum.com/t/re-checking-credit-cards-122/103194 "2007-05-02T20:38:04Z")
This is my first time submitting a solution to the quiz. I’ll attach my .rb file and copy / paste my solution below. It’s ugly, but it works. Thanks, Chase Southard #!/usr/bin/env ruby Created by Chase Southard on… --- ## [Fwd: Please Forward: Ruby Quiz Submission](https://www.ruby-forum.com/t/fwd-please-forward-ruby-quiz-submission/169539)
**Author:** [@bbazzarrakk](https://www.ruby-forum.com/u/bbazzarrakk)\ **Replies:** 0\ **Last updated:** [May 2, 2007, 8:25pm UTC](https://www.ruby-forum.com/t/fwd-please-forward-ruby-quiz-submission/169539 "2007-05-02T20:25:01Z")
Begin forwarded message: --- ## [Help with rather simple method](https://www.ruby-forum.com/t/help-with-rather-simple-method/103174)
**Author:** [@Deniz\_D](https://www.ruby-forum.com/u/Deniz_D)\ **Replies:** 3\ **Last updated:** [May 2, 2007, 7:36pm UTC](https://www.ruby-forum.com/t/help-with-rather-simple-method/103174 "2007-05-02T19:36:56Z")
Hello. I’m trying to come up with the “best”, most Ruby-ish way to write a method such as this one: This method replaces randomly selected characters in ‘string’ with new randomly selected characters of \[A-Za-z0-9\]. H… --- ## [\[SOLUTION\] Checking Credit Cards (#122)](https://www.ruby-forum.com/t/solution-checking-credit-cards-122/93235)
**Author:** [@bradeck](https://www.ruby-forum.com/u/bradeck)\ **Replies:** 4\ **Last updated:** [May 2, 2007, 7:27pm UTC](https://www.ruby-forum.com/t/solution-checking-credit-cards-122/93235 "2007-05-02T19:27:56Z")
Let’s try this again. List ate my post. Maybe it’s the S/MIME sig? OK, this is the first Quiz contribution I have made (publicly). I think it is a good balance between terse and readable. JEG2, the luhn\_valid? check … --- ## [Replacing parts of newlines](https://www.ruby-forum.com/t/replacing-parts-of-newlines/103173)
**Author:** [@mschwab](https://www.ruby-forum.com/u/mschwab)\ **Replies:** 1\ **Last updated:** [May 2, 2007, 6:41pm UTC](https://www.ruby-forum.com/t/replacing-parts-of-newlines/103173 "2007-05-02T18:41:50Z")
I’m writing a script to convert text into a csv file to import into MS Excel (under Windows), and Excel allows multiline text within a cell, but the newlines (\\x0D\\x0A) have to be replaced with only a \\x0A for Excel t… --- ## [Irbsh](https://www.ruby-forum.com/t/irbsh/103169)
**Author:** [@rpheath](https://www.ruby-forum.com/u/rpheath)\ **Replies:** 0\ **Last updated:** [May 2, 2007, 5:35pm UTC](https://www.ruby-forum.com/t/irbsh/103169 "2007-05-02T17:35:43Z")
Hi, Can anyone out there say they’ve successfully used irbsh \[1\] on Emacs 22? It came up briefly in discussion \[2\] last fall… TIA, Ryan H. \[1\] http://www.rubyist.net/~rubikitch/computer/irbsh/index.en.html \[2\] ht… [Previous page](https://www.ruby-forum.com/c/ruby/7.md?page=1471) [Next page](https://www.ruby-forum.com/c/ruby/7.md?page=1473)