# Top **URL:** https://www.ruby-forum.com/top.md?page=676 [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:** 677 --- ## [Seconds between two dates](https://www.ruby-forum.com/t/seconds-between-two-dates/157326)
**Author:** [@fredini](https://www.ruby-forum.com/u/fredini)\ **Replies:** 2\ **Last updated:** [January 9, 2009, 12:55pm UTC](https://www.ruby-forum.com/t/seconds-between-two-dates/157326 "2009-01-09T12:55:26Z")
How could I get the seconds between two dates ion Ruby? I need the seconds remaining from the current date and a date in the future. date1: current date, for example 2009-01-09 17:00:00 date 2 : 2009-05-08 17:00:00 H… --- ## [TCPSocket.new 'Bad file descriptor'](https://www.ruby-forum.com/t/tcpsocket-new-bad-file-descriptor/89365)
**Author:** [@sean\_nakasone](https://www.ruby-forum.com/u/sean_nakasone)\ **Replies:** 2\ **Last updated:** [September 25, 2007, 3:34am UTC](https://www.ruby-forum.com/t/tcpsocket-new-bad-file-descriptor/89365 "2007-09-25T03:34:15Z")
Here’s my very simple script to open a tcp port and write to it. require ‘socket’ s=TCPSocket.new(“173.30.6.16”, 9990) s.write(“Hello\\n”) s.close The TCPSocket.new returns with: cli.rb:3:in initialize': Bad file de… --- ## [Proper use of validates\_associated](https://www.ruby-forum.com/t/proper-use-of-validates-associated/67426)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 2\ **Last updated:** [September 11, 2006, 6:36pm UTC](https://www.ruby-forum.com/t/proper-use-of-validates-associated/67426 "2006-09-11T18:36:42Z")
Hi All, Is anyone using validates\_associated in a productive manner? What I mean is that I have not figured out how validates\_associated is actually supposed to make life easier. I have been playing with this a littl… --- ## [How to pack/unpack nested structures?](https://www.ruby-forum.com/t/how-to-pack-unpack-nested-structures/98123)
**Author:** [@vtphysguy](https://www.ruby-forum.com/u/vtphysguy)\ **Replies:** 2\ **Last updated:** [July 14, 2006, 6:00pm UTC](https://www.ruby-forum.com/t/how-to-pack-unpack-nested-structures/98123 "2006-07-14T18:00:54Z")
I am accessing the Win32 API from Ruby, and am having trouble dealing with structures that nest structures. How should I pack/unpack these objects? Ruby/DL looks like it would give me a hand but I’m not sure how to us… --- ## [New to Gosu, Help](https://www.ruby-forum.com/t/new-to-gosu-help/260264)
**Author:** [@theunexpected](https://www.ruby-forum.com/u/theunexpected)\ **Replies:** 1\ **Last updated:** [September 14, 2020, 7:59am UTC](https://www.ruby-forum.com/t/new-to-gosu-help/260264 "2020-09-14T07:59:38Z")
hello, I am new to ruby and am learning to make an image in gosu this code is meant to open the window, but it says there is an error (unepected end of input, expecting end) the code is as follows require 'rubygems' r… --- ## [Cocaine::CommandNotFoundError](https://www.ruby-forum.com/t/cocaine-commandnotfounderror/229389)
**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\ **Replies:** 1\ **Last updated:** [January 10, 2013, 9:13pm UTC](https://www.ruby-forum.com/t/cocaine-commandnotfounderror/229389 "2013-01-10T21:13:57Z")
i have error, like this Cocaine::CommandNotFoundError Rails.root: /home/fajar/workspace/company/pushjawcompany Application Trace http://localhost:3000/admin/video/new# | Framework Tracehttp://localhost:3000/admin/vid… --- ## [\<\\>](https://www.ruby-forum.com/t/mounting-and-converting-7z-vdi-files-virtual-machine/195617)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 1\ **Last updated:** [September 27, 2010, 10:28am UTC](https://www.ruby-forum.com/t/mounting-and-converting-7z-vdi-files-virtual-machine/195617 "2010-09-27T10:28:40Z")
running windows vista: downloaded virtual machine and virtual rails cannot get virtual rails to mount to virtual machine after downloading virtual rails i attempted to extract it so i could convert it to vdi file and… --- ## [How to generate TAP output for Selenium-WebDriver TC written in Ruby](https://www.ruby-forum.com/t/how-to-generate-tap-output-for-selenium-webdriver-tc-written-in-ruby/235246)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [June 9, 2013, 7:29am UTC](https://www.ruby-forum.com/t/how-to-generate-tap-output-for-selenium-webdriver-tc-written-in-ruby/235246 "2013-06-09T07:29:32Z")
Hello, We need to integrate Jenkins with TestLink. For now Iam able to run Selenium-WebDriver test cases from Jenkins using the inputs from TestLink. Now the problem is the reverse communication where the Jenkins tes… --- ## [Ettus Research Announcements -- Nov 2010](https://www.ruby-forum.com/t/ettus-research-announcements-nov-2010/198991)
**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\ **Replies:** 8\ **Last updated:** [November 22, 2010, 3:53pm UTC](https://www.ruby-forum.com/t/ettus-research-announcements-nov-2010/198991 "2010-11-22T15:53:22Z")
=========================================================================== Ettus R. Announcements November 2010 1\> USRP Nominated for Technology of the Year! 2\> USRP N210 Product Announcement 3\> DBSRX2 Product A… --- ## [Building gnuradio's gr-qtgui with qt 4.6](https://www.ruby-forum.com/t/building-gnuradios-gr-qtgui-with-qt-4-6/185509)
**Author:** [@Gregor\_D](https://www.ruby-forum.com/u/Gregor_D)\ **Replies:** 3\ **Last updated:** [March 24, 2010, 1:50am UTC](https://www.ruby-forum.com/t/building-gnuradios-gr-qtgui-with-qt-4-6/185509 "2010-03-24T01:50:05Z")
Hi, I’m trying to build gnuradio 3.2.2 under openSUSE 11.2, 32bit. I’ve installed the latest KDE4 release, so this packages are installed: ich@heusinger:~/local/src/gnuradio-3.2.2\> rpm -qa | grep libqt4 libqt4-qt3sup… --- ## [Of ActiveRecord, arel, and train wrecks](https://www.ruby-forum.com/t/of-activerecord-arel-and-train-wrecks/183950)
**Author:** [@rykkers](https://www.ruby-forum.com/u/rykkers)\ **Replies:** 3\ **Last updated:** [February 23, 2010, 12:43am UTC](https://www.ruby-forum.com/t/of-activerecord-arel-and-train-wrecks/183950 "2010-02-23T00:43:19Z")
I thought that it might be worth starting a discussion about the best approaches to deal with spec’ing what’s becoming more and more common in apps using active record. It started with named scopes, now we have arel, … --- ## [Thinking sphinx && globalize2](https://www.ruby-forum.com/t/thinking-sphinx-globalize2/183504)
**Author:** [@axyd80](https://www.ruby-forum.com/u/axyd80)\ **Replies:** 3\ **Last updated:** [February 16, 2010, 10:29am UTC](https://www.ruby-forum.com/t/thinking-sphinx-globalize2/183504 "2010-02-16T10:29:13Z")
Hi all. Could you tell me plz - how to integrate sphinx search with globalize2? I’d like to perform search in models with translations. Thanks a lot. --- ## [Ruby equivalent to \`find . -perm -g+rw -ls\`](https://www.ruby-forum.com/t/ruby-equivalent-to-find-perm-g-rw-ls/153459)
**Author:** [@Bil\_K](https://www.ruby-forum.com/u/Bil_K)\ **Replies:** 8\ **Last updated:** [December 11, 2008, 12:34am UTC](https://www.ruby-forum.com/t/ruby-equivalent-to-find-perm-g-rw-ls/153459 "2008-12-11T00:34:20Z")
Hi, I can’t find a Ruby equivalent to find . -perm -g+rw -ls Currently, it looks like I’ll need to combine, File.stat(file).mode with something like Hal F.'s sym2oct, http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ru… --- ## [Fermer une pop-up](https://www.ruby-forum.com/t/fermer-une-pop-up/136797)
**Author:** [@alexandre](https://www.ruby-forum.com/u/alexandre)\ **Replies:** 8\ **Last updated:** [May 7, 2008, 12:08pm UTC](https://www.ruby-forum.com/t/fermer-une-pop-up/136797 "2008-05-07T12:08:42Z")
Bonjour à vous, Voilà j’ai un peu honte de poser cette question mais j’ai beau chercher je ne vois pas comment faire. Je dispose tout simplement d’une pop-up de connexion et j’aimerais réafficher mon index qui se … --- ## [How to remove a method from an object?](https://www.ruby-forum.com/t/how-to-remove-a-method-from-an-object/125573)
**Author:** [@Valerio\_S](https://www.ruby-forum.com/u/Valerio_S)\ **Replies:** 8\ **Last updated:** [January 10, 2008, 1:56pm UTC](https://www.ruby-forum.com/t/how-to-remove-a-method-from-an-object/125573 "2008-01-10T13:56:12Z")
hello everyone, how can I remove a method from an object, without impacting future instances of its class ? say: class Server def print puts ‘hello’ end end s1 = Server.new s1.print #this work #now remove prin… --- ## [Svn: Connection closed unexpectedly when getting trunk](https://www.ruby-forum.com/t/svn-connection-closed-unexpectedly-when-getting-trunk/122134)
**Author:** [@chrisolsen](https://www.ruby-forum.com/u/chrisolsen)\ **Replies:** 3\ **Last updated:** [December 4, 2007, 10:52pm UTC](https://www.ruby-forum.com/t/svn-connection-closed-unexpectedly-when-getting-trunk/122134 "2007-12-04T22:52:10Z")
Is anyone else getting this message? With rails 2.0 pre-releases it looks like you also have to be working with the latest version of rpsec. $ ruby script/plugin install svn://rubyforge.org/var/svn/rspec/trunk/rspec … --- ## [Suppress ruby warnings during runtime?](https://www.ruby-forum.com/t/suppress-ruby-warnings-during-runtime/112878)
**Author:** [@ktheory](https://www.ruby-forum.com/u/ktheory)\ **Replies:** 3\ **Last updated:** [August 27, 2007, 12:45am UTC](https://www.ruby-forum.com/t/suppress-ruby-warnings-during-runtime/112878 "2007-08-27T00:45:24Z")
I’ve been looking for a way to supress warnings at runtime, not just in the shebang line… I’ve tride setting $VERBOSE = nil but that doesn’t seem to work right. Specifically i’m getting warnings when accessing Object#… --- ## [Can i force a favicon.ico?](https://www.ruby-forum.com/t/can-i-force-a-favicon-ico/82127)
**Author:** [@nephish](https://www.ruby-forum.com/u/nephish)\ **Replies:** 8\ **Last updated:** [April 8, 2007, 1:23pm UTC](https://www.ruby-forum.com/t/can-i-force-a-favicon-ico/82127 "2007-04-08T13:23:29Z")
lo there all, i am running two websites on one server. Both use the same code and both domains point to the same public folder. I use different logos by using a session variable called session\[:domain\] that i find wit… --- ## [Email Injection attacks](https://www.ruby-forum.com/t/email-injection-attacks/102988)
**Author:** [@joep](https://www.ruby-forum.com/u/joep)\ **Replies:** 8\ **Last updated:** [January 24, 2007, 7:42pm UTC](https://www.ruby-forum.com/t/email-injection-attacks/102988 "2007-01-24T19:42:54Z")
I’ve heard that it’s possible to halt email injection attacks by using validate\_request, but does anyone have an example of how to actually do this? Thanks --- ## [Moi aussi je veux etteennndre les objets](https://www.ruby-forum.com/t/moi-aussi-je-veux-etteennndre-les-objets/77354)
**Author:** [@Marc\_Chantreux](https://www.ruby-forum.com/u/Marc_Chantreux)\ **Replies:** 8\ **Last updated:** [November 28, 2006, 12:15am UTC](https://www.ruby-forum.com/t/moi-aussi-je-veux-etteennndre-les-objets/77354 "2006-11-28T00:15:11Z")
salut à tous, j’ai pondu ca : class Array def to\_select i = 0; self.collect{ |e| \[e,i+=1\] } end end ce qui me permet, lorsque j’écris un truc comme : groups = %w( system staff users guests ) dans mon controlle… --- ## [Date Calculation](https://www.ruby-forum.com/t/date-calculation/52975)
**Author:** [@jkay](https://www.ruby-forum.com/u/jkay)\ **Replies:** 8\ **Last updated:** [January 23, 2006, 9:09am UTC](https://www.ruby-forum.com/t/date-calculation/52975 "2006-01-23T09:09:06Z")
I am trying to calculate the number of days between 2 dates using Time.now - object.date where object.date is a date pulled from a database. I want to display the age of the entry in the database in days. I keep get… --- ## [Rewrite rules for "random" subfolders](https://www.ruby-forum.com/t/rewrite-rules-for-random-subfolders/243002)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 4\ **Last updated:** [August 15, 2015, 7:46pm UTC](https://www.ruby-forum.com/t/rewrite-rules-for-random-subfolders/243002 "2015-08-15T19:46:28Z")
Hey, I would like to migrate my page from a webhoster to my own vServer running Nginx. So far I got everything up and running EXCEPT these stupid .htaccess file. Let me explain: My site contains several galleries w… --- ## [Rails AJAX slow compared to Node.js and websockets complex to implement in rails?](https://www.ruby-forum.com/t/rails-ajax-slow-compared-to-node-js-and-websockets-complex-to-implement-in-rails/239503)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 4\ **Last updated:** [March 6, 2014, 5:12pm UTC](https://www.ruby-forum.com/t/rails-ajax-slow-compared-to-node-js-and-websockets-complex-to-implement-in-rails/239503 "2014-03-06T17:12:27Z")
I have heard alot about Node.js and watched a few tutorials and read some stuff. I get the impression that in certain situations AJAX calls with node.js is alot faster than with rails. I also have somewhat of an impr… --- ## [Cos'è Compass?](https://www.ruby-forum.com/t/cose-compass/215152)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 4\ **Last updated:** [December 27, 2011, 9:36pm UTC](https://www.ruby-forum.com/t/cose-compass/215152 "2011-12-27T21:36:47Z")
Ho di recente appreso il funzionamento di Sass e mi piaciuto da morire (sto apprezzando Rails sempre pi!) Ma ho sempre sentito parlare di questo Compass, e da quanto ho capito funziona assieme a Sass… so che pieno … --- ## [Any guides to setting up jRuby within OSGi?](https://www.ruby-forum.com/t/any-guides-to-setting-up-jruby-within-osgi/205197)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 4\ **Last updated:** [August 11, 2011, 1:37pm UTC](https://www.ruby-forum.com/t/any-guides-to-setting-up-jruby-within-osgi/205197 "2011-08-11T13:37:06Z")
I’m trying to enable some ruby scripting (and hopefully eventually webapps) from within an OSGi environment. I can see that jruby-1.6.0 includes code to support OSGi \[1\] but I can’t find much documentation on it. Is t… --- ## [Mysql dapter reporting Duplicate Entry mystery](https://www.ruby-forum.com/t/mysql-dapter-reporting-duplicate-entry-mystery/206337)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 4\ **Last updated:** [April 28, 2011, 6:20pm UTC](https://www.ruby-forum.com/t/mysql-dapter-reporting-duplicate-entry-mystery/206337 "2011-04-28T18:20:36Z")
I have an application (Rails 2.3.10) that is bombing out with the following message: A ActiveRecord::StatementInvalid occurred in confirmation#create: Mysql::Error: Duplicate entry ‘185’ for key 1: INSERT INTO confir… --- ## [Does changing to\_param() have any side effect?](https://www.ruby-forum.com/t/does-changing-to-param-have-any-side-effect/189083)
**Author:** [@winterheat](https://www.ruby-forum.com/u/winterheat)\ **Replies:** 4\ **Last updated:** [May 25, 2010, 8:42pm UTC](https://www.ruby-forum.com/t/does-changing-to-param-have-any-side-effect/189083 "2010-05-25T20:42:20Z")
In some book, it is recommended that to\_param is changed to class Story \< ActiveRecord::Base def to\_param "#{id}-#{name.gsub(/\\W/, '-').downcase}" end end so that the URL is http://www.mysite.com/stories/1-c… --- ## [Controller\_name in onchange-event](https://www.ruby-forum.com/t/controller-name-in-onchange-event/164898)
**Author:** [@mogli](https://www.ruby-forum.com/u/mogli)\ **Replies:** 4\ **Last updated:** [April 7, 2009, 11:00am UTC](https://www.ruby-forum.com/t/controller-name-in-onchange-event/164898 "2009-04-07T11:00:59Z")
Hallo zusammen, wie bekomme ich den Controllername in ein onchange-event einer collection\_select eingebunden. Folgendes habe ich probiert, funktioniert aber nicht: \<%= collection\_select(:account, :account\_id, Account… --- ## [Xrc Q ; using mulitple layouts(Frames , dialogs , panels)](https://www.ruby-forum.com/t/xrc-q-using-mulitple-layouts-frames-dialogs-panels/153658)
**Author:** [@jnruby](https://www.ruby-forum.com/u/jnruby)\ **Replies:** 4\ **Last updated:** [November 21, 2008, 4:04am UTC](https://www.ruby-forum.com/t/xrc-q-using-mulitple-layouts-frames-dialogs-panels/153658 "2008-11-21T04:04:34Z")
Hi , I am developing a simple GUI with wxruby. I am using wxFormbuilder to get the xrc file. I need a simple Frame with menu item file and submenu open,save and exit. And when I click on open(submenu) it should launc… --- ## [How to use current\_user in tags](https://www.ruby-forum.com/t/how-to-use-current-user-in-tags/151443)
**Author:** [@vpredoehl](https://www.ruby-forum.com/u/vpredoehl)\ **Replies:** 4\ **Last updated:** [October 21, 2008, 5:33pm UTC](https://www.ruby-forum.com/t/how-to-use-current-user-in-tags/151443 "2008-10-21T17:33:28Z")
Hello, I need to use the current\_user in Radius tags. In fact it is working on my computer which is running with MAC OS (and previously on my Windows environment), but not on my friend computer which is on Windows. W… --- ## [Functional Test mit Login](https://www.ruby-forum.com/t/functional-test-mit-login/137804)
**Author:** [@bluecat](https://www.ruby-forum.com/u/bluecat)\ **Replies:** 4\ **Last updated:** [May 16, 2008, 3:34pm UTC](https://www.ruby-forum.com/t/functional-test-mit-login/137804 "2008-05-16T15:34:33Z")
Hallo zusammen, ich nutze in meiner Anwendung Restful Authentication. Um einen Functional Test auszuführen muss zunächst ein login durchgeführtwerden. Habe diesen Artikel im Netz gefunden: http://alexbrie.net/1526/fu… --- ## [Tabnav Plugin for Rails](https://www.ruby-forum.com/t/tabnav-plugin-for-rails/117599)
**Author:** [@kalle\_saas](https://www.ruby-forum.com/u/kalle_saas)\ **Replies:** 4\ **Last updated:** [November 5, 2007, 12:30pm UTC](https://www.ruby-forum.com/t/tabnav-plugin-for-rails/117599 "2007-11-05T12:30:59Z")
Hey, ich würde gern das Tabnav Pluginhttp://blog.seesaw.it/articles/2006/07/23/the-easiest-way-to-add-tabbed-navigation-to-your-rails-appbenutzen. Möchte aber gerne das die Modell Dateien \_tabnav.rb in einen andere… --- ## [Thread safety and dialogs](https://www.ruby-forum.com/t/thread-safety-and-dialogs/72716)
**Author:** [@ohad](https://www.ruby-forum.com/u/ohad)\ **Replies:** 4\ **Last updated:** [October 18, 2006, 10:39pm UTC](https://www.ruby-forum.com/t/thread-safety-and-dialogs/72716 "2006-10-18T22:39:30Z")
Hello. I’m writing a ruby/gtk2 application scheduling application for my university, which does some work in a separate thread, to keep the UI usable. That separate thread might fail, in which case I’d like to show an… --- ## [Fastcgi\_cache sometimes returns statuscode 500](https://www.ruby-forum.com/t/fastcgi-cache-sometimes-returns-statuscode-500/234397)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 6\ **Last updated:** [March 2, 2015, 2:05pm UTC](https://www.ruby-forum.com/t/fastcgi-cache-sometimes-returns-statuscode-500/234397 "2015-03-02T14:05:57Z")
Hello, Nginx (all versions since September 2014, but at least 1.7.9, 1.7.10) sometimes returns HTTP status code 500, when serving pages from fastcgi\_cache. Each time this happens, following conditions hold true: \*) … --- ## [Email out of Rescue](https://www.ruby-forum.com/t/email-out-of-rescue/237984)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 6\ **Last updated:** [December 11, 2013, 3:54pm UTC](https://www.ruby-forum.com/t/email-out-of-rescue/237984 "2013-12-11T15:54:20Z")
I’m trying to set up a means to automatically send an email from certain parts of troubled code, that is, very often, code that might appear in the Rescue predicate of a begin…rescue, so as to track down issues remot… --- ## [Undefineds and or-equals](https://www.ruby-forum.com/t/undefineds-and-or-equals/237091)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 6\ **Last updated:** [October 24, 2013, 3:27pm UTC](https://www.ruby-forum.com/t/undefineds-and-or-equals/237091 "2013-10-24T15:27:48Z")
So, we all know that this works: foo ||= nil puts "blah" if foo # =\> nil but prior to that point, foo has not been defined. If instead of the or-equals first, one tries: puts "blah" if foo one gets a NameError excep… --- ## ["A" Grade SSL/TLS with Nginx and StartSSL](https://www.ruby-forum.com/t/a-grade-ssl-tls-with-nginx-and-startssl/246439)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 6\ **Last updated:** [October 20, 2013, 11:12pm UTC](https://www.ruby-forum.com/t/a-grade-ssl-tls-with-nginx-and-startssl/246439 "2013-10-20T23:12:50Z")
Hi Nginx folks, I spent some time hacking on my SSL conf recently. Nothing new, but I figured I’d share it with the group: Feel free to comment here. Cheers – Julien Vehent http://jve.linuxwall.info --- ## [Beginning with BDD: Rspec or Cucumber? What is better documented?](https://www.ruby-forum.com/t/beginning-with-bdd-rspec-or-cucumber-what-is-better-documented/219930)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 6\ **Last updated:** [May 31, 2012, 10:19pm UTC](https://www.ruby-forum.com/t/beginning-with-bdd-rspec-or-cucumber-what-is-better-documented/219930 "2012-05-31T22:19:28Z")
Hey everybody I’m sorry, I know that this question seems to arise every few moments, but I think in my case it’s a bit special (but doesn’t everybody?). Well, I’m working with RoR on a private level since v1.0, and m… --- ## [Model "lift-passengers" and concurrent programming](https://www.ruby-forum.com/t/model-lift-passengers-and-concurrent-programming/213834)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 6\ **Last updated:** [December 29, 2011, 10:14am UTC](https://www.ruby-forum.com/t/model-lift-passengers-and-concurrent-programming/213834 "2011-12-29T10:14:25Z")
Hi, I’m trying to write a model of an elevator with one button. Elevator can take passengers along the way when going down. But in my code some error. Because passengers press a button only when the elevator carries … --- ## [Re: Hardware extending](https://www.ruby-forum.com/t/re-hardware-extending/209854)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 6\ **Last updated:** [July 25, 2011, 9:46pm UTC](https://www.ruby-forum.com/t/re-hardware-extending/209854 "2011-07-25T21:46:07Z")
Hey Tomas, I would suggest you look the other way, you have these Xilinx/Altera boards with FMC/HSMC connectors (that’s fixed, i meant xilinx sticks to FMC and so is Altera to HSMC). browse through links http://tiny… --- ## [Accessing mandatory/defaults settings with Ruby/GConf2?](https://www.ruby-forum.com/t/accessing-mandatory-defaults-settings-with-ruby-gconf2/183331)
**Author:** [@Nigel\_K](https://www.ruby-forum.com/u/Nigel_K)\ **Replies:** 6\ **Last updated:** [February 17, 2010, 3:16pm UTC](https://www.ruby-forum.com/t/accessing-mandatory-defaults-settings-with-ruby-gconf2/183331 "2010-02-17T15:16:31Z")
I’m looking at possibly putting together a Puppet, http://reductivelabs.com/trac/puppet/ , native type for manipulating gconf2. I’ve got the basic idea of Ruby/GConf2 down, but I can’t see an obvious way to manipulat… --- ## [Freelancer](https://www.ruby-forum.com/t/freelancer/166044)
**Author:** [@qwerty73](https://www.ruby-forum.com/u/qwerty73)\ **Replies:** 6\ **Last updated:** [April 21, 2009, 9:57pm UTC](https://www.ruby-forum.com/t/freelancer/166044 "2009-04-21T21:57:38Z")
Ciao, cerco un freelancer per metter su un ecommerce in rails, pensavo di partire da qualche cosa di open source tipo spree, qualcuno l’ ha mai usato e/o è interessato? Q PS: potrebbe anche andar bene qualche cosa c… --- ## [Validation - Credit Card Validation](https://www.ruby-forum.com/t/validation-credit-card-validation/159295)
**Author:** [@cyrus](https://www.ruby-forum.com/u/cyrus)\ **Replies:** 6\ **Last updated:** [February 3, 2009, 9:17pm UTC](https://www.ruby-forum.com/t/validation-credit-card-validation/159295 "2009-02-03T21:17:17Z")
Hello Everyone any one know how to validate credit card information in rails ? please help me thanks in advance --- ## [How to model a polymorphic relationship?](https://www.ruby-forum.com/t/how-to-model-a-polymorphic-relationship/148161)
**Author:** [@rpitting](https://www.ruby-forum.com/u/rpitting)\ **Replies:** 6\ **Last updated:** [September 18, 2008, 11:06pm UTC](https://www.ruby-forum.com/t/how-to-model-a-polymorphic-relationship/148161 "2008-09-18T23:06:45Z")
I have read many articles about polymorphic associations in Rails and also about plugins for this purpose (mainly the has\_many\_polymorphs plugin). Unfortunately, I am still unsure how to solve my problem: Let’s say y… --- ## [Polymorphic type documentation (PMT)](https://www.ruby-forum.com/t/polymorphic-type-documentation-pmt/135912)
**Author:** [@george\_n](https://www.ruby-forum.com/u/george_n)\ **Replies:** 6\ **Last updated:** [April 29, 2008, 11:48pm UTC](https://www.ruby-forum.com/t/polymorphic-type-documentation-pmt/135912 "2008-04-29T23:48:34Z")
Hi all, I’ve added documentation on the new polymorphic type in GNU Radio, PMT, to the GNU Radio wiki: http://gnuradio.org/trac/wiki/TypePMT It has full details of many of the methods, how to use a PMT, how to assig… --- ## [Problem Loading Shards and Multisite](https://www.ruby-forum.com/t/problem-loading-shards-and-multisite/128138)
**Author:** [@islepilot](https://www.ruby-forum.com/u/islepilot)\ **Replies:** 6\ **Last updated:** [February 5, 2008, 4:38pm UTC](https://www.ruby-forum.com/t/problem-loading-shards-and-multisite/128138 "2008-02-05T16:38:16Z")
I just installed the new multisite extension, which is a nice improvement over the old virtual sites extension. Nice work! But now I have problems… while I was at it, I updated to the edge of Radiant and everything br… --- ## [Listas dependientes](https://www.ruby-forum.com/t/listas-dependientes/105071)
**Author:** [@wifer](https://www.ruby-forum.com/u/wifer)\ **Replies:** 6\ **Last updated:** [May 25, 2007, 9:42pm UTC](https://www.ruby-forum.com/t/listas-dependientes/105071 "2007-05-25T21:42:39Z")
Buenos dias compañeros, me volvi adicto a rails. ahora tengo un problema, “como siempre”. necesito hacer dos listas, una depende de la otra, ya todo ok gracias a vicent http://www.vicentgozalbes.com/articles/2006/08… --- ## [Acts\_as\_ferret and auto-flush](https://www.ruby-forum.com/t/acts-as-ferret-and-auto-flush/88698)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 6\ **Last updated:** [March 15, 2007, 11:12am UTC](https://www.ruby-forum.com/t/acts-as-ferret-and-auto-flush/88698 "2007-03-15T11:12:52Z")
Hi, I’m using acts\_as\_ferret in with a mongrel and I’ m getting locking errors that after a while result in a corrupt database. I know about the problem with different processes writing to the index but I haven’t bee… --- ## [OT? Using SVN on a project and for engines](https://www.ruby-forum.com/t/ot-using-svn-on-a-project-and-for-engines/52299)
**Author:** [@klancaster](https://www.ruby-forum.com/u/klancaster)\ **Replies:** 6\ **Last updated:** [January 23, 2006, 11:46am UTC](https://www.ruby-forum.com/t/ot-using-svn-on-a-project-and-for-engines/52299 "2006-01-23T11:46:03Z")
Apologies in advance if this seems a bit off topic, but this seemed like a starting point for this question. I installed the engine plugin using the svn method described on the engines wiki. No problem doing so, and i… --- ## [I have this error while executing my Ruby Script](https://www.ruby-forum.com/t/i-have-this-error-while-executing-my-ruby-script/230646)
**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\ **Replies:** 5\ **Last updated:** [July 1, 2014, 7:51am UTC](https://www.ruby-forum.com/t/i-have-this-error-while-executing-my-ruby-script/230646 "2014-07-01T07:51:30Z")
hi, when I am executing Ruby Script, Program is abruptly terminating and it’s printing text that it’s a segmentation fault. Since it’s stopping the Ruby Interpreter, i couldn’t catch this error in rescue block also. … [Previous page](https://www.ruby-forum.com/top.md?page=675&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=677&per_page=50)