# Top

**URL:** https://www.ruby-forum.com/top.md?page=1558

[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:** 1559

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## [Stack level too deep](https://www.ruby-forum.com/t/stack-level-too-deep/152034)

<div class="topic-metadata">

**Author:** [@babysudha](https://www.ruby-forum.com/u/babysudha)\
**Replies:** 3\
**Last updated:** [October 30, 2008, 9:40am UTC](https://www.ruby-forum.com/t/stack-level-too-deep/152034 "2008-10-30T09:40:29Z")

</div>

Hi, i have worked on one website using Ruby On Rails.i have installed acts\_as\_attachment for authenticate the user.after that i have installed login\_engine plugin to try out some mail sending function.but i did not g…

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## [Need sort help](https://www.ruby-forum.com/t/need-sort-help/145638)

<div class="topic-metadata">

**Author:** [@jazzezravi](https://www.ruby-forum.com/u/jazzezravi)\
**Replies:** 3\
**Last updated:** [August 12, 2008, 12:30pm UTC](https://www.ruby-forum.com/t/need-sort-help/145638 "2008-08-12T12:30:58Z")

</div>

Hi All, a=\[\[“raja”,1\],\[“Arun”,5\],\[“babu”,3\]\] I want to sort 1,3,5 So i expect output in this order → raja, babu, arun Any methods available for this ? Regards, P.Raveendran RF,Chennai

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## [Rails 2.02](https://www.ruby-forum.com/t/rails-2-02/124339)

<div class="topic-metadata">

**Author:** [@andxy](https://www.ruby-forum.com/u/andxy)\
**Replies:** 3\
**Last updated:** [January 10, 2008, 9:17pm UTC](https://www.ruby-forum.com/t/rails-2-02/124339 "2008-01-10T21:17:52Z")

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Ciao a tutti, ho aggiornato rails alla versione 2.02. Creo la mia applicazione ma quando vado ad avviare webrick mi da questo errore: ruby script/server =\> Booting WEBrick… /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/li…

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## [Mongrel service error](https://www.ruby-forum.com/t/mongrel-service-error/125038)

<div class="topic-metadata">

**Author:** [@edgarjs](https://www.ruby-forum.com/u/edgarjs)\
**Replies:** 3\
**Last updated:** [January 7, 2008, 5:39pm UTC](https://www.ruby-forum.com/t/mongrel-service-error/125038 "2008-01-07T17:39:34Z")

</div>

He actualizado mis gemas y hubo unas cuantas que estaban “atrasadas”, algunas de ellas son mongrel, windows-service. Pero ahora cuando intento installar el servicio de mongrel en windows, me da un error. Puedo correr…

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## [Unable to install GNU radio with UBUNTU 7.1](https://www.ruby-forum.com/t/unable-to-install-gnu-radio-with-ubuntu-7-1/121188)

<div class="topic-metadata">

**Author:** [@tony](https://www.ruby-forum.com/u/tony)\
**Replies:** 3\
**Last updated:** [November 27, 2007, 3:20pm UTC](https://www.ruby-forum.com/t/unable-to-install-gnu-radio-with-ubuntu-7-1/121188 "2007-11-27T15:20:10Z")

</div>

I’m having trouble loading GNU Radio software on a PC running UBUNTU 7.1 and can’t seem to get a clean install. apt-get update reports: E: Could not open lock file /var/lib/apt/lists/lock - open (13 Permission denied…

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## [Rail Support Extension Problem](https://www.ruby-forum.com/t/rail-support-extension-problem/119678)

<div class="topic-metadata">

**Author:** [@maged](https://www.ruby-forum.com/u/maged)\
**Replies:** 3\
**Last updated:** [November 17, 2007, 3:35am UTC](https://www.ruby-forum.com/t/rail-support-extension-problem/119678 "2007-11-17T03:35:11Z")

</div>

Hey all, I experience some problem with that extension after a successful installation. As of yesterday everything worked fine but all the sudden I get an error: undefined local variable or method \`radiant\_render’ fo…

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## [Anti-aliasing?](https://www.ruby-forum.com/t/anti-aliasing/119782)

<div class="topic-metadata">

**Author:** [@Jari\_W](https://www.ruby-forum.com/u/Jari_W)\
**Replies:** 3\
**Last updated:** [November 13, 2007, 9:00am UTC](https://www.ruby-forum.com/t/anti-aliasing/119782 "2007-11-13T09:00:08Z")

</div>

I’m doing a graphics application and need onscreen anti-aliasing for both lines and text. Seems like wxGraphicsContext would do that, is that planned to be ported to wxRuby? Best regards, Jari W.

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## [Questions about Software Used in Screencasts](https://www.ruby-forum.com/t/questions-about-software-used-in-screencasts/115405)

<div class="topic-metadata">

**Author:** [@Jared\_R](https://www.ruby-forum.com/u/Jared_R)\
**Replies:** 3\
**Last updated:** [September 25, 2007, 12:40am UTC](https://www.ruby-forum.com/t/questions-about-software-used-in-screencasts/115405 "2007-09-25T00:40:44Z")

</div>

Hi, everyone → I’m brand new to this list, but have been bumbling my way through he Depot Shopping Cart tutorial from Agile Web D. With Rails, 2nd Edition. I handled that all right, for the most part. Now I’m look…

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## [Where to put pages not baked by controllers](https://www.ruby-forum.com/t/where-to-put-pages-not-baked-by-controllers/111080)

<div class="topic-metadata">

**Author:** [@cesidio](https://www.ruby-forum.com/u/cesidio)\
**Replies:** 3\
**Last updated:** [August 3, 2007, 2:49pm UTC](https://www.ruby-forum.com/t/where-to-put-pages-not-baked-by-controllers/111080 "2007-08-03T14:49:03Z")

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I am developing an application that supports internationalization. I have public pages (in public folder) that are not backed by any controller, but I need them to be rendered in the correct locale and to apply a layo…

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## [Error\_messages\_for](https://www.ruby-forum.com/t/error-messages-for/108991)

<div class="topic-metadata">

**Author:** [@verifier](https://www.ruby-forum.com/u/verifier)\
**Replies:** 3\
**Last updated:** [July 10, 2007, 1:26pm UTC](https://www.ruby-forum.com/t/error-messages-for/108991 "2007-07-10T13:26:14Z")

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I have a database table called “hvd\_codes”, the model is called HvdCode. In my form partial, what should I enter as a parameter to error\_messages\_for? I’ve tried \<%= error\_messages\_for ‘interception\_codes’ %\> but noth…

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## [Poll plugin for RoR?](https://www.ruby-forum.com/t/poll-plugin-for-ror/108867)

<div class="topic-metadata">

**Author:** [@russiangeek](https://www.ruby-forum.com/u/russiangeek)\
**Replies:** 3\
**Last updated:** [July 9, 2007, 7:49am UTC](https://www.ruby-forum.com/t/poll-plugin-for-ror/108867 "2007-07-09T07:49:22Z")

</div>

I’d like to add a voting option to my site. Can you offer a plugin from your experience?

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## [Undefind local variable error](https://www.ruby-forum.com/t/undefind-local-variable-error/108440)

<div class="topic-metadata">

**Author:** [@jfjfjf](https://www.ruby-forum.com/u/jfjfjf)\
**Replies:** 3\
**Last updated:** [July 3, 2007, 4:47pm UTC](https://www.ruby-forum.com/t/undefind-local-variable-error/108440 "2007-07-03T16:47:20Z")

</div>

I’m getting the following error when I run this line in the console: History.find\_ec\_id(770893) NameError: undefined local variable or method \`target\_history’ for History:Class I have the following methods in my Hist…

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## [\[ANN\] rails plugin: find\_by\_association](https://www.ruby-forum.com/t/ann-rails-plugin-find-by-association/105947)

<div class="topic-metadata">

**Author:** [@jshow](https://www.ruby-forum.com/u/jshow)\
**Replies:** 3\
**Last updated:** [June 5, 2007, 3:03pm UTC](https://www.ruby-forum.com/t/ann-rails-plugin-find-by-association/105947 "2007-06-05T15:03:06Z")

</div>

Greetings, Buck and Koz show put on a sesssion of do’s and don’t s at railsconf an expression of the rails way vision - Helping us to clean up our code with smart coding practices http://onrails.org/articles/2007/05…

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## [OT: Open source flash video player?](https://www.ruby-forum.com/t/ot-open-source-flash-video-player/103814)

<div class="topic-metadata">

**Author:** [@Jake\_C](https://www.ruby-forum.com/u/Jake_C)\
**Replies:** 3\
**Last updated:** [May 10, 2007, 5:26pm UTC](https://www.ruby-forum.com/t/ot-open-source-flash-video-player/103814 "2007-05-10T17:26:39Z")

</div>

Guys, I’m looking for an open source (or affordable) flash video player akin to those used by YouTube and Metacafe. Does such a thing exist, or is the only option to write my own? Google isn’t yielding anything use…

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## [Comportement Ã©trange add\_column](https://www.ruby-forum.com/t/comportement-a-trange-add-column/91293)

<div class="topic-metadata">

**Author:** [@Nightou](https://www.ruby-forum.com/u/Nightou)\
**Replies:** 3\
**Last updated:** [April 19, 2007, 12:52pm UTC](https://www.ruby-forum.com/t/comportement-a-trange-add-column/91293 "2007-04-19T12:52:02Z")

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Bonjour Ã tous. Je viens vers vous avec une question qui dÃ©coule d’un constat. AprÃ¨s quelques annÃ©es de PHP, et plusieurs tentatives pas forcÃ©ment concluentes de mapping objet/relationnel “maison”, c’est tout na…

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## [Dhaka-2.1.0 : Fun with lexers](https://www.ruby-forum.com/t/dhaka-2-1-0-fun-with-lexers/88473)

<div class="topic-metadata">

**Author:** [@Mushfeq\_K](https://www.ruby-forum.com/u/Mushfeq_K)\
**Replies:** 3\
**Last updated:** [March 12, 2007, 1:53pm UTC](https://www.ruby-forum.com/t/dhaka-2-1-0-fun-with-lexers/88473 "2007-03-12T13:53:27Z")

</div>

require ‘dhaka’ class MyLexerSpec \< Dhaka::LexerSpecification for\_pattern(‘\\w+’) { puts “word #{current\_lexeme.value}” } for\_pattern(‘\\s+’) { puts “whitespace” } for\_pattern(‘\*’) { puts “bullet point” } for\_pattern…

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## [RubyGems Beta 0.9.0.9](https://www.ruby-forum.com/t/rubygems-beta-0-9-0-9/81340)

<div class="topic-metadata">

**Author:** [@miracleofmagick](https://www.ruby-forum.com/u/miracleofmagick)\
**Replies:** 3\
**Last updated:** [January 8, 2007, 6:40am UTC](https://www.ruby-forum.com/t/rubygems-beta-0-9-0-9/81340 "2007-01-08T06:40:49Z")

</div>

Beta version 0.9.0.9 is now available with: gem update --system --source http://onestepback.org/betagems This will be the last beta with major changes before the release of 0.9.1. = Upgrade note While require\_gem wa…

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## [Validation using session data](https://www.ruby-forum.com/t/validation-using-session-data/76221)

<div class="topic-metadata">

**Author:** [@cwu](https://www.ruby-forum.com/u/cwu)\
**Replies:** 3\
**Last updated:** [November 16, 2006, 11:32pm UTC](https://www.ruby-forum.com/t/validation-using-session-data/76221 "2006-11-16T23:32:10Z")

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I have a model containing user records and I want each user to only be able to edit his own data. I am storing the user\_id in a session table. I was hoping to be able to use validate\_on\_update that would compare the P…

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## [Postgres/Postgres-pr - some confusion](https://www.ruby-forum.com/t/postgres-postgres-pr-some-confusion/76163)

<div class="topic-metadata">

**Author:** [@nicken](https://www.ruby-forum.com/u/nicken)\
**Replies:** 3\
**Last updated:** [November 16, 2006, 9:01pm UTC](https://www.ruby-forum.com/t/postgres-postgres-pr-some-confusion/76163 "2006-11-16T21:01:26Z")

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Hello, I’m doing some work using the ruby postgres lirbaries and I’m slightly confused about a few things. I installed the postgres libraries using: gem install postgres posrgres-pr If I use: require ‘rubygems’ …

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## [Custom controllers displaying a page from radiant](https://www.ruby-forum.com/t/custom-controllers-displaying-a-page-from-radiant/72643)

<div class="topic-metadata">

**Author:** [@orff](https://www.ruby-forum.com/u/orff)\
**Replies:** 3\
**Last updated:** [October 18, 2006, 10:44am UTC](https://www.ruby-forum.com/t/custom-controllers-displaying-a-page-from-radiant/72643 "2006-10-18T10:44:03Z")

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I would love to just be able to call methods in my own custom controller to display the CMS content, but do things like form handling / database interaction using rails proper and not have to write behaviors to add f…

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## [Net::HTTP Performance](https://www.ruby-forum.com/t/net-http-performance/98653)

<div class="topic-metadata">

**Author:** [@benjohnson](https://www.ruby-forum.com/u/benjohnson)\
**Replies:** 3\
**Last updated:** [July 17, 2006, 10:42am UTC](https://www.ruby-forum.com/t/net-http-performance/98653 "2006-07-17T10:42:11Z")

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I know there was already another thread on this, but I didn’t completely understand. I would love to re-read it but I accidentally deleted the emails. I remember something about changing a buffer size. Can anyone plea…

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## [Animation](https://www.ruby-forum.com/t/animation/95580)

<div class="topic-metadata">

**Author:** [@mohammad](https://www.ruby-forum.com/u/mohammad)\
**Replies:** 3\
**Last updated:** [June 7, 2006, 12:13am UTC](https://www.ruby-forum.com/t/animation/95580 "2006-06-07T00:13:34Z")

</div>

Okay I wana make a game like Flyff in ruby but, is there a way to control a character or even to make a rich gui like the one in Flyff? Flyff site: flyff.gpotato.com

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## [File uploads giving "page not found" on IE](https://www.ruby-forum.com/t/file-uploads-giving-page-not-found-on-ie/77440)

<div class="topic-metadata">

**Author:** [@mcampbell](https://www.ruby-forum.com/u/mcampbell)\
**Replies:** 3\
**Last updated:** [March 7, 2006, 11:37pm UTC](https://www.ruby-forum.com/t/file-uploads-giving-page-not-found-on-ie/77440 "2006-03-07T23:37:57Z")

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I am having a really wierd problem in IE. I have a simple file upload form with two selects and a textarea. This is a medical transcription application - very simply an administrator can upload a file and assign it …

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## [Insights into Ruby from Lua](https://www.ruby-forum.com/t/insights-into-ruby-from-lua/65829)

<div class="topic-metadata">

**Author:** [@phrogz](https://www.ruby-forum.com/u/phrogz)\
**Replies:** 3\
**Last updated:** [February 11, 2006, 8:33pm UTC](https://www.ruby-forum.com/t/insights-into-ruby-from-lua/65829 "2006-02-11T20:33:31Z")

</div>

In my job, I have to use Lua to program some of our software. For anything complex, I love OOP concepts. For those that don’t know, Lua doesn’t have OOP, though it has some syntactic sugar to make basic OOP possible. …

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## [REXML and XPath](https://www.ruby-forum.com/t/rexml-and-xpath/53166)

<div class="topic-metadata">

**Author:** [@markcasio](https://www.ruby-forum.com/u/markcasio)\
**Replies:** 3\
**Last updated:** [January 28, 2006, 2:53pm UTC](https://www.ruby-forum.com/t/rexml-and-xpath/53166 "2006-01-28T14:53:07Z")

</div>

The documentation for REXML says is has full XPath 1.0 support. However, I can’t see a way to get the XPath class to return values other than nodes. For example, if I have an XML document that contains “book” elements…

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## [PDF::Writer and table columns](https://www.ruby-forum.com/t/pdf-writer-and-table-columns/52691)

<div class="topic-metadata">

**Author:** [@starmaerker](https://www.ruby-forum.com/u/starmaerker)\
**Replies:** 3\
**Last updated:** [January 18, 2006, 7:05am UTC](https://www.ruby-forum.com/t/pdf-writer-and-table-columns/52691 "2006-01-18T07:05:13Z")

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I’ve just started using the PDF::Writer and am having some trouble with table columns. When the PDF renders the columns of the table are not ordered by the column\_order. With my test data I have three tables with ea…

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## [Trouble with Date class](https://www.ruby-forum.com/t/trouble-with-date-class/49469)

<div class="topic-metadata">

**Author:** [@gruner.rails](https://www.ruby-forum.com/u/gruner.rails)\
**Replies:** 3\
**Last updated:** [December 5, 2005, 7:40pm UTC](https://www.ruby-forum.com/t/trouble-with-date-class/49469 "2005-12-05T19:40:34Z")

</div>

I’m having trouble with Ruby’s Date class. I’m trying to do something as simple as “Date.today” but I keep getting errors. I’ve included “require ‘date’” to environment.rb but still no luck. Am I doing something wrong…

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## [Fun with ranges!](https://www.ruby-forum.com/t/fun-with-ranges/48871)

<div class="topic-metadata">

**Author:** [@sgentle](https://www.ruby-forum.com/u/sgentle)\
**Replies:** 3\
**Last updated:** [November 26, 2005, 1:44am UTC](https://www.ruby-forum.com/t/fun-with-ranges/48871 "2005-11-26T01:44:08Z")

</div>

So I was messing around today trying to find out whether there was a viable way to cram unbounded lists into the Range implementation when I stumbled on this… irb(main):001:0\> inf = 1.0/0.0 =\> Infinity irb(main):002…

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## [Running Nokogiri in a simple task - getting data and storing it in sqlite db](https://www.ruby-forum.com/t/running-nokogiri-in-a-simple-task-getting-data-and-storing-it-in-sqlite-db/256942)

<div class="topic-metadata">

**Author:** [@say\_hello](https://www.ruby-forum.com/u/say_hello)\
**Replies:** 0\
**Last updated:** [March 1, 2020, 1:26pm UTC](https://www.ruby-forum.com/t/running-nokogiri-in-a-simple-task-getting-data-and-storing-it-in-sqlite-db/256942 "2020-03-01T13:26:10Z")

</div>

hello dear Ruby-experts, i fairly new to imple\_html\_dom usage and methods. I know a little the parser, i want to gather some information from this site: is this possible to get the content - of let us say 10 or 20 l…

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## [Error while migrating](https://www.ruby-forum.com/t/error-while-migrating/253366)

<div class="topic-metadata">

**Author:** [@akhilravuri1](https://www.ruby-forum.com/u/akhilravuri1)\
**Replies:** 0\
**Last updated:** [November 20, 2019, 10:58am UTC](https://www.ruby-forum.com/t/error-while-migrating/253366 "2019-11-20T10:58:09Z")

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Hi I am very new to ruby. I have created a sample project using rails and installed an ibm\_db driver. I ran this command (rails g model employee name:string email:string). everything is fine till now and after running…

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## [Itemsize mismatch C++](https://www.ruby-forum.com/t/itemsize-mismatch-c/243405)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 0\
**Last updated:** [October 15, 2015, 4:04pm UTC](https://www.ruby-forum.com/t/itemsize-mismatch-c/243405 "2015-10-15T16:04:46Z")

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While trying to connect Signal Source block and a Noise block to an add block then to a usrp\_sink I get an itemsize mismatch error at runtime: what(): itemsize mismatch: sig\_source\_c0:0 using 8, add\_cc0:0 using 16 Con…

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## [MySQL workbench \<--\> Rails?](https://www.ruby-forum.com/t/mysql-workbench-rails/242196)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 0\
**Last updated:** [June 3, 2015, 8:35pm UTC](https://www.ruby-forum.com/t/mysql-workbench-rails/242196 "2015-06-03T20:35:15Z")

</div>

A long time ago … on a planet far away… a user posted something about visualizing a ruby schema in MySQL Workbench. The answer was to dumb the schema as SQL and then import into Workbench. I tried to send the origina…

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## [Validar dos modelos](https://www.ruby-forum.com/t/validar-dos-modelos/224432)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 0\
**Last updated:** [November 11, 2012, 11:37pm UTC](https://www.ruby-forum.com/t/validar-dos-modelos/224432 "2012-11-11T23:37:58Z")

</div>

Hola a toda la comunidad, saben tengo una pregunta sobre relaciones de modelos y acudo a la comunidad para ver si alguien puede ayudarme. Resulta que tengo 2 modelos, Cliente y Referencia, los cuales se relacionan de …

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## [Complex format signal source block](https://www.ruby-forum.com/t/complex-format-signal-source-block/220422)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 0\
**Last updated:** [June 8, 2012, 6:46pm UTC](https://www.ruby-forum.com/t/complex-format-signal-source-block/220422 "2012-06-08T18:46:28Z")

</div>

Hi community, I have a basic question when simulating and displaying complex signals Gnu Radio (GRC 3.5.1). I tried to solve them by myself but they are not yet clear to me. I am simply using the signal source block,…

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## [Exécuter une commande shell ou bash](https://www.ruby-forum.com/t/executer-une-commande-shell-ou-bash/218337)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 0\
**Last updated:** [March 28, 2012, 4:04pm UTC](https://www.ruby-forum.com/t/executer-une-commande-shell-ou-bash/218337 "2012-03-28T16:04:15Z")

</div>

Salutation ! Est-ce qu’il y aurait un gem qui permet d’exécuter une commande shell ou bash. Ex.: un textarea qui prend en entrée notre commande, un bouton valider, et hop… un voit le résultat sur une console. Ou autre…

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## [Xhr and format.js](https://www.ruby-forum.com/t/xhr-and-format-js/203502)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 0\
**Last updated:** [February 21, 2011, 7:04pm UTC](https://www.ruby-forum.com/t/xhr-and-format-js/203502 "2011-02-21T19:04:15Z")

</div>

I am getting confused about the relationship between respond\_to/format.js and an xhr request. Would appreciate any advice, tips on how this has changed in different Rails versions if it has, etc. In particular, I am c…

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## [Extraction of activerecord backend to separate gem + tiny changes to exception handling api](https://www.ruby-forum.com/t/extraction-of-activerecord-backend-to-separate-gem-tiny-changes-to-exception-handling-api/198685)

<div class="topic-metadata">

**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\
**Replies:** 0\
**Last updated:** [November 5, 2010, 1:50pm UTC](https://www.ruby-forum.com/t/extraction-of-activerecord-backend-to-separate-gem-tiny-changes-to-exception-handling-api/198685 "2010-11-05T13:50:47Z")

</div>

Just a headsup about a few things that I’ve just pushed to the 0.5.0 branch \[1\] First, I’ve extracted the ActiveRecord backend including support classes to a separate gem \[2\]. I’m now looking for a maintainer for it!…

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## [Event Calendar Extension in 0.7.1](https://www.ruby-forum.com/t/event-calendar-extension-in-0-7-1/170513)

<div class="topic-metadata">

**Author:** [@mohits](https://www.ruby-forum.com/u/mohits)\
**Replies:** 0\
**Last updated:** [June 18, 2009, 12:53pm UTC](https://www.ruby-forum.com/t/event-calendar-extension-in-0-7-1/170513 "2009-06-18T12:53:57Z")

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Hi! I’m trying to use the events\_calendar extension from: Now, this clearly has a branch for 0.7.1 so I installed that. On the other hand, it relies on share\_layouts which has been upgraded to 0.8.0 I was able to …

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## [Acts\_as\_secure und fixtures](https://www.ruby-forum.com/t/acts-as-secure-und-fixtures/147871)

<div class="topic-metadata">

**Author:** [@Daniel\_Boekhoff](https://www.ruby-forum.com/u/Daniel_Boekhoff)\
**Replies:** 0\
**Last updated:** [September 6, 2008, 11:40am UTC](https://www.ruby-forum.com/t/acts-as-secure-und-fixtures/147871 "2008-09-06T11:40:00Z")

</div>

Moin Moin, ich wollte aus dem Buch Advanced Rails Recipes den Tipp mit acts\_as\_secure umsetzen. Das läuft auch alles wunderbar, das Plugin sorgt dafür, das alle Attribute, die in einem Model Objekt in der Datenbank …

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## [Why do I need parentheses here?](https://www.ruby-forum.com/t/why-do-i-need-parentheses-here/244960)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 1\
**Last updated:** [September 4, 2016, 2:19am UTC](https://www.ruby-forum.com/t/why-do-i-need-parentheses-here/244960 "2016-09-04T02:19:48Z")

</div>

I have a function def f(x) ... end which I can call like this: y = f 5 y = f(5) I can not use the form without parentheses to construct a one-element array: y = \[f 5\] –\> syntax error, unexpected tINTEGER, expectin…

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## [Scraping with Nokogiri help](https://www.ruby-forum.com/t/scraping-with-nokogiri-help/244860)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 1\
**Last updated:** [July 2, 2016, 10:03am UTC](https://www.ruby-forum.com/t/scraping-with-nokogiri-help/244860 "2016-07-02T10:03:10Z")

</div>

Hello Im trying to scrape some info from the following page https://www.cloudflarestatus.com/. \[Screenshot attached\] Im interested in scraping the “Operational” field on the page for example in Africa. So far i have…

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## [Proxy non persistent client connections to persistent upstream connections](https://www.ruby-forum.com/t/proxy-non-persistent-client-connections-to-persistent-upstream-connections/242951)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 1\
**Last updated:** [August 11, 2015, 2:34pm UTC](https://www.ruby-forum.com/t/proxy-non-persistent-client-connections-to-persistent-upstream-connections/242951 "2015-08-11T14:34:28Z")

</div>

I would like to be able to proxy non persistent client http connections to persistent upstream connections on a Linux system, both to reduce the number of connections and the upstream latency. I have experimented wit…

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## [Copy-on-Write not working after fork when running GC in latest Ruby version](https://www.ruby-forum.com/t/copy-on-write-not-working-after-fork-when-running-gc-in-latest-ruby-version/241732)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 1\
**Last updated:** [April 30, 2015, 5:38pm UTC](https://www.ruby-forum.com/t/copy-on-write-not-working-after-fork-when-running-gc-in-latest-ruby-version/241732 "2015-04-30T17:38:34Z")

</div>

Hello everyone, I have a huge problem with memory in Ruby 2.2.1. Namely, after forking a process, it seems that the copy-on-write functionality is not working at all and I end up with double the memory I started with.…

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## [Unicorn memory usage growing, struggling to analyze](https://www.ruby-forum.com/t/unicorn-memory-usage-growing-struggling-to-analyze/234063)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 1\
**Last updated:** [February 4, 2015, 7:31pm UTC](https://www.ruby-forum.com/t/unicorn-memory-usage-growing-struggling-to-analyze/234063 "2015-02-04T19:31:26Z")

</div>

Hi all, We use ruby 2.0.0 and rails 3.2.19 in production, with OOBGC. We are having problems understanding why our unicorn workers grow from around 400MB to 8-900MB in a number of hours after a deploy. We use New Re…

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## [Using Microtelecom Perseus with GNU Radio](https://www.ruby-forum.com/t/using-microtelecom-perseus-with-gnu-radio/232319)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 1\
**Last updated:** [October 2, 2014, 6:12pm UTC](https://www.ruby-forum.com/t/using-microtelecom-perseus-with-gnu-radio/232319 "2014-10-02T18:12:01Z")

</div>

Dear all, Is there a GNU Radio library that can be used for Microtelecom Perseus SDR? I could find only an old code at GitHub - IW0HDV/gnuradio-amontefusco: Perseus support for GNU Radio : this software has been supe…

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## [Help for tcpinfo](https://www.ruby-forum.com/t/help-for-tcpinfo/231987)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 1\
**Last updated:** [September 11, 2014, 12:55pm UTC](https://www.ruby-forum.com/t/help-for-tcpinfo/231987 "2014-09-11T12:55:59Z")

</div>

hi everyone, now I am trying to use $tcpinfo\_rtt in the nginx.conf, but it can not be recognized. below is my envioroment. and when I built nginx 1.6.1, it said "checking for TCP\_INFO … not found " \[lichuanhui@yptes…

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## [Initialize ngx\_buf\_t in ngx\_create\_temp\_buf()](https://www.ruby-forum.com/t/initialize-ngx-buf-t-in-ngx-create-temp-buf/231443)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 1\
**Last updated:** [August 8, 2014, 2:58pm UTC](https://www.ruby-forum.com/t/initialize-ngx-buf-t-in-ngx-create-temp-buf/231443 "2014-08-08T14:58:29Z")

</div>

Hello, I don’t understand why b-\>last is used to initialize b-\>end. Why it’s not : b-\>end = b-\>start + size; Regards, yves HG changeset patch User Yves Crespinremoved\_email\_address@domain.invalid Date 140748093…

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## [Jruby-1.7.10 - IO.read().size changes after the first access](https://www.ruby-forum.com/t/jruby-1-7-10-io-read-size-changes-after-the-first-access/238771)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 1\
**Last updated:** [January 28, 2014, 12:34pm UTC](https://www.ruby-forum.com/t/jruby-1-7-10-io-read-size-changes-after-the-first-access/238771 "2014-01-28T12:34:54Z")

</div>

Hi, I am using jruby-1.7.10. I am having an issue that I don’t understand. The simple following test does not pass on jruby but works well on MRI. Any idea ? describe “IO.read” do it “return the same value twice” d…

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## [Reg. AGC3 in gnuradio](https://www.ruby-forum.com/t/reg-agc3-in-gnuradio/236628)

<div class="topic-metadata">

**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 1\
**Last updated:** [September 20, 2013, 9:29am UTC](https://www.ruby-forum.com/t/reg-agc3-in-gnuradio/236628 "2013-09-20T09:29:10Z")

</div>

Can someone give me detailed information about the new agc (agc3) in gnuradio?.Also is that agc a log mag. loop which is normally used in the modern receivers?If there is a block diagram of the new agc3 then it would …

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## ['Bug' with rational resampler block in GRC](https://www.ruby-forum.com/t/bug-with-rational-resampler-block-in-grc/236494)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 1\
**Last updated:** [September 8, 2013, 3:37am UTC](https://www.ruby-forum.com/t/bug-with-rational-resampler-block-in-grc/236494 "2013-09-08T03:37:25Z")

</div>

Hi, Just to point out that the rational resampler block in gnuradio 3.7.\[01\] of gnuradio companion has a default for Taps to be ‘None’. This isn’t a legal option - the default in pre-3.7 versions was a blank. If the …

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