# Top

**URL:** https://www.ruby-forum.com/top.md?page=928

[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:** 929

---

## [Gtk::ComboBox and enable drop down via button click](https://www.ruby-forum.com/t/gtk-combobox-and-enable-drop-down-via-button-click/73638)

<div class="topic-metadata">

**Author:** [@quik77](https://www.ruby-forum.com/u/quik77)\
**Replies:** 1\
**Last updated:** [October 26, 2006, 3:33am UTC](https://www.ruby-forum.com/t/gtk-combobox-and-enable-drop-down-via-button-click/73638 "2006-10-26T03:33:06Z")

</div>

Hello, First, thanks for answering some of my questions before. I was able to send commands to a VTE terminal using: vte\_terminal.feed\_child("ls\\n") Now, to a new question, to Gtk::ComboBox. Is there a way to open t…

---

## [How to use link\_to](https://www.ruby-forum.com/t/how-to-use-link-to/228514)

<div class="topic-metadata">

**Author:** [@cihad](https://www.ruby-forum.com/u/cihad)\
**Replies:** 5\
**Last updated:** [April 25, 2013, 1:04pm UTC](https://www.ruby-forum.com/t/how-to-use-link-to/228514 "2013-04-25T13:04:36Z")

</div>

I have 2 controller phone phones\_feature I want to give a link from phone index page to phones\_feature index page and also my link is an image here is my code \<%=link\_to image\_tag(phone.image, :class =\> ‘list\_image…

---

## [Ruby in HTA?](https://www.ruby-forum.com/t/ruby-in-hta/227716)

<div class="topic-metadata">

**Author:** [@virtuoso](https://www.ruby-forum.com/u/virtuoso)\
**Replies:** 5\
**Last updated:** [March 30, 2013, 11:44pm UTC](https://www.ruby-forum.com/t/ruby-in-hta/227716 "2013-03-30T23:44:45Z")

</div>

I’ve just discovered the existence of HTA (HTML Applications), and although I can now quite happily write basic HTA in JavaScript and VBScript, I wondered whether anyone knew how to write this kind of thing in Ruby. I…

---

## [VirtualBox Linux Host & Guests](https://www.ruby-forum.com/t/virtualbox-linux-host-guests/225779)

<div class="topic-metadata">

**Author:** [@SSkonishi\_takurou\_S](https://www.ruby-forum.com/u/SSkonishi_takurou_S)\
**Replies:** 5\
**Last updated:** [January 29, 2013, 10:48pm UTC](https://www.ruby-forum.com/t/virtualbox-linux-host-guests/225779 "2013-01-29T22:48:14Z")

</div>

Not directly on topic - but since I think there are people here who use VirtualBox with Nginx I’ll ask. At first I thought I had nginx configuration problems - but even if I do, I know my core issue is VirtualBox/Lin…

---

## [Cannot ping my USRP2](https://www.ruby-forum.com/t/cannot-ping-my-usrp2/226135)

<div class="topic-metadata">

**Author:** [@tobstarr](https://www.ruby-forum.com/u/tobstarr)\
**Replies:** 5\
**Last updated:** [December 15, 2010, 9:36am UTC](https://www.ruby-forum.com/t/cannot-ping-my-usrp2/226135 "2010-12-15T09:36:32Z")

</div>

Hello, our institute owns 4 USRP2. Three of them can be pinged. The 4th one cannot. It’s neither possible to use it with UHD firmware and FPGA image. If I try uhd\_find\_device no device is found. The firmware and the…

---

## [Usare un oggetto della classe madre come modello?](https://www.ruby-forum.com/t/usare-un-oggetto-della-classe-madre-come-modello/172781)

<div class="topic-metadata">

**Author:** [@gderosa](https://www.ruby-forum.com/u/gderosa)\
**Replies:** 5\
**Last updated:** [July 28, 2009, 4:52pm UTC](https://www.ruby-forum.com/t/usare-un-oggetto-della-classe-madre-come-modello/172781 "2009-07-28T16:52:00Z")

</div>

Salve a tutti, e\` la prima volta che scrivo su questo forum, e in effetti sono abbastanza nuovo a Ruby (poco piÃ¹ di un mese, ma con esperienze precedenti di C e Perl). La domanda in oggetto si esemplifica con questo…

---

## [Sql group by](https://www.ruby-forum.com/t/sql-group-by/163938)

<div class="topic-metadata">

**Author:** [@rpcolom](https://www.ruby-forum.com/u/rpcolom)\
**Replies:** 5\
**Last updated:** [March 26, 2009, 12:22pm UTC](https://www.ruby-forum.com/t/sql-group-by/163938 "2009-03-26T12:22:57Z")

</div>

Tengo definida una tabla son la siguiente estructura: table: diario cuenta string(10) debe numeric haber numeric … Estoy probando de ejecutar una consulta SQL que haga un SUM y un GROUP BY SELECT cuenta, sum(d…

---

## [Erreur trÃ¨s obscure](https://www.ruby-forum.com/t/erreur-tra-s-obscure/147791)

<div class="topic-metadata">

**Author:** [@starnix17](https://www.ruby-forum.com/u/starnix17)\
**Replies:** 5\
**Last updated:** [September 5, 2008, 3:26pm UTC](https://www.ruby-forum.com/t/erreur-tra-s-obscure/147791 "2008-09-05T15:26:14Z")

</div>

Bonjour, Je rencontre actuellement un bug qu’il m’est trÃ¨s difficile de corriger faute d’information dessus. Voici ce que j’ai dans mes logs : Processing NewsletterController#create (for 192.168.1.90 at 2008-09-05 …

---

## [Passing a callback to ScriptObject.Invoke](https://www.ruby-forum.com/t/passing-a-callback-to-scriptobject-invoke/146597)

<div class="topic-metadata">

**Author:** [@Sean\_CSHess](https://www.ruby-forum.com/u/Sean_CSHess)\
**Replies:** 5\
**Last updated:** [August 26, 2008, 3:42am UTC](https://www.ruby-forum.com/t/passing-a-callback-to-scriptobject-invoke/146597 "2008-08-26T03:42:37Z")

</div>

Hi everybody, I’m plugging in to an existing javascript library using invoke. I can successfully call my\_js\_object.invoke and get it to call different functions. They implemented a function called Observe that accep…

---

## [The process invoked by backticks stays as zombie!](https://www.ruby-forum.com/t/the-process-invoked-by-backticks-stays-as-zombie/138281)

<div class="topic-metadata">

**Author:** [@Artem\_K](https://www.ruby-forum.com/u/Artem_K)\
**Replies:** 5\
**Last updated:** [May 23, 2008, 5:14am UTC](https://www.ruby-forum.com/t/the-process-invoked-by-backticks-stays-as-zombie/138281 "2008-05-23T05:14:11Z")

</div>

Hi Gurus :slight\_smile: Here is the problem: I need to gather the output from an external program. So in my code I do: result \<\< #{@caputackt} #{@channel} #{ackt} but the script stops at this line, and when I do ps …

---

## [Array assignment with multiple args](https://www.ruby-forum.com/t/array-assignment-with-multiple-args/137629)

<div class="topic-metadata">

**Author:** [@jhorner](https://www.ruby-forum.com/u/jhorner)\
**Replies:** 5\
**Last updated:** [May 15, 2008, 7:57am UTC](https://www.ruby-forum.com/t/array-assignment-with-multiple-args/137629 "2008-05-15T07:57:11Z")

</div>

Hi all. I’m just starting to learn Ruby and have hit a problem that is being extremely difficult to find information on. When given a line of code such as: a = “this”, b = “that”, c = “those” Is there a concise and e…

---

## [How to see if string is true compared with a pattern](https://www.ruby-forum.com/t/how-to-see-if-string-is-true-compared-with-a-pattern/81802)

<div class="topic-metadata">

**Author:** [@paul](https://www.ruby-forum.com/u/paul)\
**Replies:** 5\
**Last updated:** [September 25, 2007, 10:34pm UTC](https://www.ruby-forum.com/t/how-to-see-if-string-is-true-compared-with-a-pattern/81802 "2007-09-25T22:34:12Z")

</div>

hi, I have the following pattern to validate email address’s ^(0-9a-zA-Z@((\[0-9a-zA-Z\])+(\[-\\w\]\[0-9a-zA-Z\])\*.)+\[a-zA-Z\]{2,9})$ how can I compare this with a string and return true or false? thanks paul

---

## [\*.rubyforge.org sites disappearing from google?](https://www.ruby-forum.com/t/rubyforge-org-sites-disappearing-from-google/110203)

<div class="topic-metadata">

**Author:** [@Leonard\_C](https://www.ruby-forum.com/u/Leonard_C)\
**Replies:** 5\
**Last updated:** [July 24, 2007, 9:02am UTC](https://www.ruby-forum.com/t/rubyforge-org-sites-disappearing-from-google/110203 "2007-07-24T09:02:39Z")

</div>

Has anyone noticed that projects with homepages hosted on rubyforge have disappeared from the google index? When trying to google rspec, mongrel, mocha, fastercsv, their respective \*.rubyforge.org pages fail to appear…

---

## [Clean way to detect change using callbacks](https://www.ruby-forum.com/t/clean-way-to-detect-change-using-callbacks/87920)

<div class="topic-metadata">

**Author:** [@dmcclean](https://www.ruby-forum.com/u/dmcclean)\
**Replies:** 5\
**Last updated:** [March 11, 2007, 6:27pm UTC](https://www.ruby-forum.com/t/clean-way-to-detect-change-using-callbacks/87920 "2007-03-11T18:27:24Z")

</div>

I would like in my ‘after\_update’ callback to detect if an attribute has been changed, and if so change some related objects. Is the best way something like this class Thing \< ActiveRecord::Base def before\_update @…

---

## [Selective validation? Is it possible?](https://www.ruby-forum.com/t/selective-validation-is-it-possible/74032)

<div class="topic-metadata">

**Author:** [@Petr](https://www.ruby-forum.com/u/Petr)\
**Replies:** 5\
**Last updated:** [October 29, 2006, 12:16pm UTC](https://www.ruby-forum.com/t/selective-validation-is-it-possible/74032 "2006-10-29T12:16:41Z")

</div>

I have a Product model and products table. Im using acts\_as\_tree structure. I would like active record validation to be done on children only. Anyway to do this? Petr

---

## [Substrtuct mysql help](https://www.ruby-forum.com/t/substrtuct-mysql-help/68332)

<div class="topic-metadata">

**Author:** [@roxah](https://www.ruby-forum.com/u/roxah)\
**Replies:** 5\
**Last updated:** [September 12, 2006, 2:51am UTC](https://www.ruby-forum.com/t/substrtuct-mysql-help/68332 "2006-09-12T02:51:18Z")

</div>

Thanks guys for trying to help me out, So heres my problem, I sent it to the tech support of DreamHost and copied the email I sent him and am going to post it here, so keep that in mind, thanks. ++++++++++++++++++++++…

---

## [Tip: searchable Rails api docs from within RadRails!](https://www.ruby-forum.com/t/tip-searchable-rails-api-docs-from-within-radrails/97648)

<div class="topic-metadata">

**Author:** [@princenamor](https://www.ruby-forum.com/u/princenamor)\
**Replies:** 5\
**Last updated:** [July 10, 2006, 8:57pm UTC](https://www.ruby-forum.com/t/tip-searchable-rails-api-docs-from-within-radrails/97648 "2006-07-10T20:57:10Z")

</div>

Just a tip for those of you using RadRails. If you install the new rubygems 0.9.0, you can type “gem rdoc --all --ri” at the command line. Then, open up RadRails, go to Window-\>Preferences-\>Ruby-\>Ri/rdoc and change yo…

---

## [SHA2 Issues](https://www.ruby-forum.com/t/sha2-issues/93931)

<div class="topic-metadata">

**Author:** [@flatekmonkey](https://www.ruby-forum.com/u/flatekmonkey)\
**Replies:** 5\
**Last updated:** [April 28, 2006, 2:18pm UTC](https://www.ruby-forum.com/t/sha2-issues/93931 "2006-04-28T14:18:16Z")

</div>

Hello all, Thank you in advance for your help with this. I am trying to implement the user authentication method from Ruby Recipes which calls for the use of SHA 2. Here is the code for the password: def password=(pa…

---

## [Nano & Mega ... Gems removed?](https://www.ruby-forum.com/t/nano-mega-gems-removed/48513)

<div class="topic-metadata">

**Author:** [@jeff.darklight](https://www.ruby-forum.com/u/jeff.darklight)\
**Replies:** 5\
**Last updated:** [November 21, 2005, 6:21pm UTC](https://www.ruby-forum.com/t/nano-mega-gems-removed/48513 "2005-11-21T18:21:17Z")

</div>

I just tried installing Nano & Mega via gem and it’s coming back saying “Could not find nano in the repository” or “Could not find mega in the repository” … anybody else running into this? j. – “Remember. Understa…

---

## [Database Transactions](https://www.ruby-forum.com/t/database-transactions/48624)

<div class="topic-metadata">

**Author:** [@listrecv](https://www.ruby-forum.com/u/listrecv)\
**Replies:** 5\
**Last updated:** [November 15, 2005, 6:27pm UTC](https://www.ruby-forum.com/t/database-transactions/48624 "2005-11-15T18:27:32Z")

</div>

ActiveRecord’s standard procedure for transactions is to send a block, and throw an exception to roll it back ( http://api.rubyonrails.com/classes/ActiveRecord/Transactions/ClassMethods.html ). I found this rather un…

---

## [Nginx chargement plus lent après une certaine période d'inactivité](https://www.ruby-forum.com/t/nginx-chargement-plus-lent-apres-une-certaine-periode-dinactivite/225455)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 0\
**Last updated:** [January 9, 2013, 11:26am UTC](https://www.ruby-forum.com/t/nginx-chargement-plus-lent-apres-une-certaine-periode-dinactivite/225455 "2013-01-09T11:26:41Z")

</div>

Bonjour à tous, je note que mes applications rails 2 ou 3 sur mon serveur se chargent beaucoup moins vite la première fois après une longue période d’inactivité. Je suppose que c’est le temps de charger les différents …

---

## [How Am I to Understand This Class Behavior?](https://www.ruby-forum.com/t/how-am-i-to-understand-this-class-behavior/213760)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 8\
**Last updated:** [December 29, 2011, 12:03pm UTC](https://www.ruby-forum.com/t/how-am-i-to-understand-this-class-behavior/213760 "2011-12-29T12:03:24Z")

</div>

Hi, Gurus, The following code gets me wondering: how come the last “puts” gets printed without initializing on the Foo class at all… I would appreciate it if anyone can explain this to me. Thank you in advance !!! N…

---

## [Methods defined with module\_eval are faster?](https://www.ruby-forum.com/t/methods-defined-with-module-eval-are-faster/210406)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 8\
**Last updated:** [August 9, 2011, 10:15am UTC](https://www.ruby-forum.com/t/methods-defined-with-module-eval-are-faster/210406 "2011-08-09T10:15:18Z")

</div>

Hi, just let me show this code: require “benchmark” module M self.module\_eval(" def self.kk(var) if var == 123 a=var2 else a=var4 end end ") def self.aa(var) if var == 123 b=var2 else b=var4 end end e…

---

## [Comining Arrays](https://www.ruby-forum.com/t/comining-arrays/203867)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 8\
**Last updated:** [March 1, 2011, 7:52pm UTC](https://www.ruby-forum.com/t/comining-arrays/203867 "2011-03-01T19:52:23Z")

</div>

I have the following code: http://www.pastie.org/1618151 It’s a routine from a simple crypto algo, where I’m basically combining two arrays of data (a “sanitized” stream of data to encrypt, and a “keystream” to obfus…

---

## [Help required --Urgent--F led light glowing and D led light is not glowing](https://www.ruby-forum.com/t/help-required-urgent-f-led-light-glowing-and-d-led-light-is-not-glowing/200848)

<div class="topic-metadata">

**Author:** [@nikuSESS](https://www.ruby-forum.com/u/nikuSESS)\
**Replies:** 8\
**Last updated:** [December 24, 2010, 5:18am UTC](https://www.ruby-forum.com/t/help-required-urgent-f-led-light-glowing-and-d-led-light-is-not-glowing/200848 "2010-12-24T05:18:37Z")

</div>

Hi When I port the firmware and the u2\_rev3.bin downloaded from the repository everything works fine. But when i compile the usrp2 code (successful compilation) and I port it with my firmware, there is a problem. Th…

---

## [Help with 3.0 Beta](https://www.ruby-forum.com/t/help-with-3-0-beta/183047)

<div class="topic-metadata">

**Author:** [@kfmfe04](https://www.ruby-forum.com/u/kfmfe04)\
**Replies:** 8\
**Last updated:** [February 7, 2010, 9:19pm UTC](https://www.ruby-forum.com/t/help-with-3-0-beta/183047 "2010-02-07T21:19:18Z")

</div>

I am trying to install rails 3 beta It says it is installed but when I look in the rails-3.0.0.beta directory the only thing in there is .require\_paths Have I screwed up somewhere? I have also updated ruby 1.9.1 and…

---

## [Which server component?](https://www.ruby-forum.com/t/which-server-component/179569)

<div class="topic-metadata">

**Author:** [@tbobker](https://www.ruby-forum.com/u/tbobker)\
**Replies:** 8\
**Last updated:** [November 29, 2009, 6:55pm UTC](https://www.ruby-forum.com/t/which-server-component/179569 "2009-11-29T18:55:51Z")

</div>

Hello! I have the scenarion, that on the one hand, there are mobile devices which are the clients, on the other hand there is a server with ruby. The clients send the messages to the server witch JSON via a persistent …

---

## [Best Way to detect if you are in a migration?](https://www.ruby-forum.com/t/best-way-to-detect-if-you-are-in-a-migration/145771)

<div class="topic-metadata">

**Author:** [@ericgoodwin](https://www.ruby-forum.com/u/ericgoodwin)\
**Replies:** 8\
**Last updated:** [February 10, 2009, 3:04pm UTC](https://www.ruby-forum.com/t/best-way-to-detect-if-you-are-in-a-migration/145771 "2009-02-10T15:04:40Z")

</div>

I have a method where I would like output to occur via “puts” only if its currently in the middle of a rake task or if its in the middle of a migration. How can I detect if the program execution is in the context of a …

---

## [\[ANN\] Ruport 1.6 and Murdoch 1.0](https://www.ruby-forum.com/t/ann-ruport-1-6-and-murdoch-1-0/134744)

<div class="topic-metadata">

**Author:** [@naething](https://www.ruby-forum.com/u/naething)\
**Replies:** 8\
**Last updated:** [April 15, 2008, 8:14pm UTC](https://www.ruby-forum.com/t/ann-ruport-1-6-and-murdoch-1-0/134744 "2008-04-15T20:14:36Z")

</div>

Hi folks, After a silent release of Ruport 1.6.0, I’m happy to announce Ruport 1.6.1 and Murdoch 1.0. Although 1.6.1 is just a README update, this announcement will serve as the 1.6.0 release notes as well. Most of …

---

## [Default script encoding and -K option](https://www.ruby-forum.com/t/default-script-encoding-and-k-option/126334)

<div class="topic-metadata">

**Author:** [@sheepman](https://www.ruby-forum.com/u/sheepman)\
**Replies:** 8\
**Last updated:** [January 18, 2008, 5:18pm UTC](https://www.ruby-forum.com/t/default-script-encoding-and-k-option/126334 "2008-01-18T17:18:51Z")

</div>

e$B$3$s$P$s$Oe(B sheepman e$B$G$9!#e(B \[ruby-dev:33140\] e$B$G$J$+$\`$i$5$s$,=q$+$l$F$$$^$9$,!"e(B On Thu, 17 Jan 2008 09:42:43 +0900 “U.Nakamura” removed\_email\_address@domain.invalid wrote: e$B$=$7$F!“e(B1.9e$B$Oe(B-…

---

## [Problem with map+proxy\_pass in 0.6.21](https://www.ruby-forum.com/t/problem-with-map-proxy-pass-in-0-6-21/123277)

<div class="topic-metadata">

**Author:** [@cliffwiggs](https://www.ruby-forum.com/u/cliffwiggs)\
**Replies:** 8\
**Last updated:** [December 15, 2007, 8:40pm UTC](https://www.ruby-forum.com/t/problem-with-map-proxy-pass-in-0-6-21/123277 "2007-12-15T20:40:47Z")

</div>

I’ve used the map+proxy\_pass technique successfully elsewhere, so I thought I’d try to use to to proxy to a bunch of OpenVZ virtual servers. Each server is also running a copy of Nginx 0.5.x which in turns proxies to …

---

## [Deploying on shared host](https://www.ruby-forum.com/t/deploying-on-shared-host/112080)

<div class="topic-metadata">

**Author:** [@mike](https://www.ruby-forum.com/u/mike)\
**Replies:** 8\
**Last updated:** [September 25, 2007, 11:04pm UTC](https://www.ruby-forum.com/t/deploying-on-shared-host/112080 "2007-09-25T23:04:49Z")

</div>

how do you make rails run in production mode when deploying in a shared hosting environment? thanks in advance -mike

---

## [Why stack overflow with such a small stack?](https://www.ruby-forum.com/t/why-stack-overflow-with-such-a-small-stack/113433)

<div class="topic-metadata">

**Author:** [@Kenneth\_McDonald](https://www.ruby-forum.com/u/Kenneth_McDonald)\
**Replies:** 8\
**Last updated:** [September 1, 2007, 6:22am UTC](https://www.ruby-forum.com/t/why-stack-overflow-with-such-a-small-stack/113433 "2007-09-01T06:22:10Z")

</div>

I’m getting the following error: sheet.rb:35:in values': stack level too deep (SystemStackError) from sheet.rb:35:invalues’ from sheet.rb:53:in to\_s' from sheet.rb:52:into\_s’ from sheet.rb:52:in map' from sheet.rb:52:…

---

## [RailsWorkshop.it](https://www.ruby-forum.com/t/railsworkshop-it/111158)

<div class="topic-metadata">

**Author:** [@paolodona](https://www.ruby-forum.com/u/paolodona)\
**Replies:** 8\
**Last updated:** [August 4, 2007, 5:58pm UTC](https://www.ruby-forum.com/t/railsworkshop-it/111158 "2007-08-04T17:58:39Z")

</div>

Ciao ragazzi, sfrutto questa lista per farmi un pÃ² di pubblicitÃ , ma non prendetemi per uno spammer :slight\_smile: Con i moschettieri di SeeSaw Ã¨ da un pÃ² (un annetto circa) che eroghiamo corsi di formazione Rub…

---

## [Just a really general Question](https://www.ruby-forum.com/t/just-a-really-general-question/85309)

<div class="topic-metadata">

**Author:** [@derekteixeira](https://www.ruby-forum.com/u/derekteixeira)\
**Replies:** 8\
**Last updated:** [February 13, 2007, 1:10pm UTC](https://www.ruby-forum.com/t/just-a-really-general-question/85309 "2007-02-13T13:10:00Z")

</div>

hey guys, listen, i am currently going to school for Graphic Design/ Web Design. While going here, going through the classes, i realized that my real love is for coding, and that stuff, much rather than the artistic …

---

## [Migration up and down](https://www.ruby-forum.com/t/migration-up-and-down/65937)

<div class="topic-metadata">

**Author:** [@paulbutcher](https://www.ruby-forum.com/u/paulbutcher)\
**Replies:** 8\
**Last updated:** [August 25, 2006, 1:25pm UTC](https://www.ruby-forum.com/t/migration-up-and-down/65937 "2006-08-25T13:25:12Z")

</div>

In a migration there’s an up and down method. But how does it work, really? This was found at http://www.rabbitcreative.com/articles/2006/03/29/ruby-on-rails-super-easy-migrations-tutorial "class CreatePeople \< Activ…

---

## [How to get all selected rows in the mutli-selection listbox?](https://www.ruby-forum.com/t/how-to-get-all-selected-rows-in-the-mutli-selection-listbox/100472)

<div class="topic-metadata">

**Author:** [@sayoyo](https://www.ruby-forum.com/u/sayoyo)\
**Replies:** 8\
**Last updated:** [February 3, 2006, 4:03pm UTC](https://www.ruby-forum.com/t/how-to-get-all-selected-rows-in-the-mutli-selection-listbox/100472 "2006-02-03T16:03:27Z")

</div>

Hi, I have created a multiple selection listbox with rails, when I try to get the rows selected by user, rails send back only the first one, how can I get the other selected rows??? I created the listbox with the fo…

---

## [Code::blocks gnuradio project examples](https://www.ruby-forum.com/t/code-blocks-gnuradio-project-examples/241561)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 4\
**Last updated:** [April 16, 2015, 8:28pm UTC](https://www.ruby-forum.com/t/code-blocks-gnuradio-project-examples/241561 "2015-04-16T20:28:28Z")

</div>

Hi, I am new to Gnuradio, just created a code::blocks project for the GNURadio, is there an example sub-project in the code::blocks source tree I could start play with? thanks,

---

## [Gr-audio: add query device names?](https://www.ruby-forum.com/t/gr-audio-add-query-device-names/238958)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 4\
**Last updated:** [February 6, 2014, 11:11am UTC](https://www.ruby-forum.com/t/gr-audio-add-query-device-names/238958 "2014-02-06T11:11:26Z")

</div>

It’s all well and good to send in an audio device name to the gr-audio sink/source, and then see if that device name matches anything / works / is found. In my fixes to gr-audio-osx, if the audio device was specified…

---

## [Volk machine](https://www.ruby-forum.com/t/volk-machine/237692)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 4\
**Last updated:** [December 2, 2013, 10:33pm UTC](https://www.ruby-forum.com/t/volk-machine/237692 "2013-12-02T22:33:12Z")

</div>

When running with a USRP source at 25M and a low pass filter down to 10MHz, I get something saying “Using Volk machine: sse4\_a\_64”, and my file sink only records a couple seconds of data. I ran the volk\_profile script…

---

## [Help needed drawing a Sudoku board with green shoes](https://www.ruby-forum.com/t/help-needed-drawing-a-sudoku-board-with-green-shoes/235567)

<div class="topic-metadata">

**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 4\
**Last updated:** [July 5, 2013, 3:16pm UTC](https://www.ruby-forum.com/t/help-needed-drawing-a-sudoku-board-with-green-shoes/235567 "2013-07-05T15:16:53Z")

</div>

Hello Team, I am planning to write a Sudoku program just for the learning experience. I’m first trying to draw the board using green shoes (which I am also learning) as my GUI toolkit. As most people know, the most …

---

## [Event based parsing of a YAML stream with JRuby in 1.8 mode](https://www.ruby-forum.com/t/event-based-parsing-of-a-yaml-stream-with-jruby-in-1-8-mode/206548)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 4\
**Last updated:** [May 21, 2011, 1:51am UTC](https://www.ruby-forum.com/t/event-based-parsing-of-a-yaml-stream-with-jruby-in-1-8-mode/206548 "2011-05-21T01:51:11Z")

</div>

Hi all! Has anyone a suggestion on how to do event based parsing of a YAML stream with JRuby in 1.8 mode? – With kind regards Uwe K. Kubosch Consulting removed\_email\_address@domain.invalid

---

## [RESTful url not working](https://www.ruby-forum.com/t/restful-url-not-working/153957)

<div class="topic-metadata">

**Author:** [@Ashit\_V](https://www.ruby-forum.com/u/Ashit_V)\
**Replies:** 4\
**Last updated:** [November 24, 2008, 4:31am UTC](https://www.ruby-forum.com/t/restful-url-not-working/153957 "2008-11-24T04:31:18Z")

</div>

Hi, 'm new to Rails. I tried using \_path and \_url with link\_to helper method but it doesnt work for me. Does anyone know what can be the issue? my code is Hello Rails \<%= flash\[:notice\] %\> \<%= link\_to 'Show Blog', …

---

## [Moving code to model from controller](https://www.ruby-forum.com/t/moving-code-to-model-from-controller/147679)

<div class="topic-metadata">

**Author:** [@sijo](https://www.ruby-forum.com/u/sijo)\
**Replies:** 4\
**Last updated:** [September 5, 2008, 3:03pm UTC](https://www.ruby-forum.com/t/moving-code-to-model-from-controller/147679 "2008-09-05T15:03:23Z")

</div>

Hi Last day I read an article says that business logic should be in model Till now my coding method was writing complete code in controller and nothing in model I would like to change that style. Sorry now only I bec…

---

## [Acceso Restringido a algunas vistas y controladores](https://www.ruby-forum.com/t/acceso-restringido-a-algunas-vistas-y-controladores/142267)

<div class="topic-metadata">

**Author:** [@Manuel\_P](https://www.ruby-forum.com/u/Manuel_P)\
**Replies:** 4\
**Last updated:** [July 5, 2008, 8:58pm UTC](https://www.ruby-forum.com/t/acceso-restringido-a-algunas-vistas-y-controladores/142267 "2008-07-05T20:58:02Z")

</div>

Hola a todos colegas de la lista! Tengo una aplicaciÃ³n donde estan registrados varios usuarios que pertenecen a varios perfiles de acceso. Los perfiles de acceso son: Administrador del Sistema Profesor Alumno Esto…

---

## [Help updating cross-reference table](https://www.ruby-forum.com/t/help-updating-cross-reference-table/125199)

<div class="topic-metadata">

**Author:** [@weloki](https://www.ruby-forum.com/u/weloki)\
**Replies:** 4\
**Last updated:** [January 7, 2008, 7:23pm UTC](https://www.ruby-forum.com/t/help-updating-cross-reference-table/125199 "2008-01-07T19:23:19Z")

</div>

I am trying to update a cross-reference table in a database when the user submits a simple form. The table has three columns, ‘id’, ‘location\_id’ and ‘user\_id’. Using this action, I get no errors, but nothing happens …

---

## [wxRuby 1.9.2](https://www.ruby-forum.com/t/wxruby-1-9-2/118113)

<div class="topic-metadata">

**Author:** [@absolute-beginner](https://www.ruby-forum.com/u/absolute-beginner)\
**Replies:** 4\
**Last updated:** [November 15, 2007, 11:22pm UTC](https://www.ruby-forum.com/t/wxruby-1-9-2/118113 "2007-11-15T23:22:29Z")

</div>

I’m happy to announce that wxRuby 1.9.2 is now available from Rubyforge. As usual we’ve got source and binary gems for Win32, OS X and Linux: http://rubyforge.org/frs/?group\_id=35 or gem install wxruby == WHAT’S NEW…

---

## [Functional testing and session\[:session\_id\]](https://www.ruby-forum.com/t/functional-testing-and-session-session-id/109370)

<div class="topic-metadata">

**Author:** [@soroe](https://www.ruby-forum.com/u/soroe)\
**Replies:** 4\
**Last updated:** [July 14, 2007, 1:06am UTC](https://www.ruby-forum.com/t/functional-testing-and-session-session-id/109370 "2007-07-14T01:06:05Z")

</div>

Hey Guys, Does Rails set the session\[:session\_id\] field in functional testing? I’ve been getting an empty string… which is causing the url\_for function call in my view to blow up. It would be really nice to avoid th…

---

## [Problem with vim and SimpleFold](https://www.ruby-forum.com/t/problem-with-vim-and-simplefold/81001)

<div class="topic-metadata">

**Author:** [@Guido](https://www.ruby-forum.com/u/Guido)\
**Replies:** 4\
**Last updated:** [January 9, 2007, 3:18am UTC](https://www.ruby-forum.com/t/problem-with-vim-and-simplefold/81001 "2007-01-09T03:18:58Z")

</div>

Hi, I just started using the SimpleFold \[1\] plugin with vim 6.4. When I start vim I get the following error: E518: Unknown option: completefunc=10\_RCT\_completion My .vimrc contains map f SimpleFold\_Foldsearch " f…

---

## [STI isn't working for me](https://www.ruby-forum.com/t/sti-isnt-working-for-me/67267)

<div class="topic-metadata">

**Author:** [@jjkiesch](https://www.ruby-forum.com/u/jjkiesch)\
**Replies:** 4\
**Last updated:** [September 1, 2006, 8:51pm UTC](https://www.ruby-forum.com/t/sti-isnt-working-for-me/67267 "2006-09-01T20:51:20Z")

</div>

i am trying to use single table inheritance for the first time and not having much luck so far. in my model i have: class NavigationItem \< ActiveRecord::Base end class MenuItem \< NavigationItem end class LinkItem \<…

[Previous page](https://www.ruby-forum.com/top.md?page=927&per_page=50)

[Next page](https://www.ruby-forum.com/top.md?page=929&per_page=50)
