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**Page:** 854

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## [How to get a count of line\_items](https://www.ruby-forum.com/t/how-to-get-a-count-of-line-items/72005)

<div class="topic-metadata">

**Author:** [@aginghipster](https://www.ruby-forum.com/u/aginghipster)\
**Replies:** 3\
**Last updated:** [October 13, 2006, 7:55pm UTC](https://www.ruby-forum.com/t/how-to-get-a-count-of-line-items/72005 "2006-10-13T19:55:39Z")

</div>

I am fairly new to Rails, and I am having difficulty in forgetting the old way of developing and using the Rails way. This is my question, using orders and line\_items as an example. An order has\_many line\_items A lin…

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## [OFDM Receiver example In Gnuradio](https://www.ruby-forum.com/t/ofdm-receiver-example-in-gnuradio/260113)

<div class="topic-metadata">

**Author:** [@Mousi](https://www.ruby-forum.com/u/Mousi)\
**Replies:** 0\
**Last updated:** [August 10, 2020, 2:38pm UTC](https://www.ruby-forum.com/t/ofdm-receiver-example-in-gnuradio/260113 "2020-08-10T14:38:24Z")

</div>

Hallo, I have a question related to the ofdm receiver example in gnuradio. I put a delay block before Schmidl\_Cox synchronizer and I changed it. After 7 samples delay the system beginns to produce errors and for the de…

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## [Arel table aliases and ActiveRecord::Relation help: how to specify "multiple has\_many items in a que](https://www.ruby-forum.com/t/arel-table-aliases-and-activerecord-relation-help-how-to-specify-multiple-has-many-items-in-a-que/213510)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 0\
**Last updated:** [November 4, 2011, 12:46am UTC](https://www.ruby-forum.com/t/arel-table-aliases-and-activerecord-relation-help-how-to-specify-multiple-has-many-items-in-a-que/213510 "2011-11-04T00:46:58Z")

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What is the recommended way to use table aliases with ActiveRecord::Relation these days? In prior versions of Rails, this would work: assume (pseudo code): model A has\_many b’s model B , at = B.arel\_table atalia…

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## [Filtrer une table](https://www.ruby-forum.com/t/filtrer-une-table/217129)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 1\
**Last updated:** [February 28, 2012, 6:47pm UTC](https://www.ruby-forum.com/t/filtrer-une-table/217129 "2012-02-28T18:47:27Z")

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Bonjour, je voudrais créer une sorte de filtre sur la table suivante : Nom salle Nom machine Type d'incident Informations Etat Date création Date résolution Actions \<% @events.each do |event| %\> \<…

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## [Undefined method \`events' for nil:NilClass when using accepts\_nested\_attributes\_for](https://www.ruby-forum.com/t/undefined-method-events-for-nil-nilclass-when-using-accepts-nested-attributes-for/200042)

<div class="topic-metadata">

**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Replies:** 1\
**Last updated:** [December 3, 2010, 4:15pm UTC](https://www.ruby-forum.com/t/undefined-method-events-for-nil-nilclass-when-using-accepts-nested-attributes-for/200042 "2010-12-03T16:15:25Z")

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Thanks for helping. The errors occurs during implementation accepts\_nested\_attributes\_for. I get ActionView::Template:Error (undefined method ‘events’ for nil:class) & NoMethodError in app/views/ users/index.html.erb…

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## [Implicitly convert Symbols to Strings?](https://www.ruby-forum.com/t/implicitly-convert-symbols-to-strings/198473)

<div class="topic-metadata">

**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Replies:** 1\
**Last updated:** [November 2, 2010, 8:22am UTC](https://www.ruby-forum.com/t/implicitly-convert-symbols-to-strings/198473 "2010-11-02T08:22:19Z")

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Is there a good reason why Symbols are not implictly converted to Strings ? The following does not work for example: eval(:self) #=\> Error: can't convert Symbol to String But if we do the following: class Symbol d…

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## [Respond with ID of newly create object and ok status](https://www.ruby-forum.com/t/respond-with-id-of-newly-create-object-and-ok-status/242084)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 5\
**Last updated:** [May 30, 2015, 7:45pm UTC](https://www.ruby-forum.com/t/respond-with-id-of-newly-create-object-and-ok-status/242084 "2015-05-30T19:45:37Z")

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Hi everyone, A client sends a post request which contains all required data to create a Todo item except its ‘id’. From what I know ‘id’ field will be created when @todo.save is called. So the question is how to injec…

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## [Nginx & Unicorn setup](https://www.ruby-forum.com/t/nginx-unicorn-setup/236152)

<div class="topic-metadata">

**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 5\
**Last updated:** [August 13, 2013, 6:43pm UTC](https://www.ruby-forum.com/t/nginx-unicorn-setup/236152 "2013-08-13T18:43:19Z")

</div>

Hi, I’m having a bit of aggro getting Unicorn and Nginx setup to where Uncorn.rb actually loads. Second prob is getting Nginx to properly recognize the new app listed as server in nginx.conf Does anyone know of any go…

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## [Invalid gemspec.#\<YAML::Syck::DefaultKey](https://www.ruby-forum.com/t/invalid-gemspec-yaml-defaultkey/215174)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 5\
**Last updated:** [December 26, 2011, 4:02pm UTC](https://www.ruby-forum.com/t/invalid-gemspec-yaml-defaultkey/215174 "2011-12-26T16:02:06Z")

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How can I solve the problem “invalid gemspec”? \[root@-PC rubytest\]# rails test Invalid gemspec in \[/usr/lib/ruby/gems/1.8/specifications/activemodel-3.2.0.rc1.gemspec\]: Illformed requirement \["#YAML::Syck::DefaultKey…

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## [Gem list -rd a generates an error](https://www.ruby-forum.com/t/gem-list-rd-a-generates-an-error/206853)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 5\
**Last updated:** [May 12, 2011, 5:46am UTC](https://www.ruby-forum.com/t/gem-list-rd-a-generates-an-error/206853 "2011-05-12T05:46:39Z")

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The command “gem list -rd a” generates the following error: C:\\gemlist\>gem list -rd a \*\*\* REMOTE GEMS \*\*\* ERROR: While executing gem … (ArgumentError) undefined class/module YAML::Syck::DefaultKey C:\\Users\\span…

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## [Best Linux Distro For Complete JRuby Env](https://www.ruby-forum.com/t/best-linux-distro-for-complete-jruby-env/203555)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 5\
**Last updated:** [March 4, 2011, 6:39pm UTC](https://www.ruby-forum.com/t/best-linux-distro-for-complete-jruby-env/203555 "2011-03-04T18:39:56Z")

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Is there a prefered linux distro when dealing with the most up to date and current jruby system? I am just getting into jruby on windows and i would like to see what distro would fit me best to continue my developmen…

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## ["show" action - restrict manual url change from user to view](https://www.ruby-forum.com/t/show-action-restrict-manual-url-change-from-user-to-view/190843)

<div class="topic-metadata">

**Author:** [@railsfan\_radha](https://www.ruby-forum.com/u/railsfan_radha)\
**Replies:** 5\
**Last updated:** [July 9, 2010, 7:47pm UTC](https://www.ruby-forum.com/t/show-action-restrict-manual-url-change-from-user-to-view/190843 "2010-07-09T19:47:24Z")

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This is “show” action in my “category controller”. #---- Show — def show # @category=Category.find(params\[:category\_id\]) @category=Category.find(params\[:category\_id\]) end “show” action - restrict manual url change …

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## [Ruby in twenty minutes not work](https://www.ruby-forum.com/t/ruby-in-twenty-minutes-not-work/180481)

<div class="topic-metadata">

**Author:** [@hazal](https://www.ruby-forum.com/u/hazal)\
**Replies:** 5\
**Last updated:** [December 20, 2009, 5:04am UTC](https://www.ruby-forum.com/t/ruby-in-twenty-minutes-not-work/180481 "2009-12-20T05:04:43Z")

</div>

in ruby offical site two links doesnot work.do you know reasons? 1- ruby in 20 minutes second page not open. 2 - tryruby.hobix.com : not open . i could open it 1 month ago. but during tutorial i couldnot write square …

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## [Problem deploying app on bluehost](https://www.ruby-forum.com/t/problem-deploying-app-on-bluehost/171854)

<div class="topic-metadata">

**Author:** [@saurabh](https://www.ruby-forum.com/u/saurabh)\
**Replies:** 5\
**Last updated:** [July 13, 2009, 1:22pm UTC](https://www.ruby-forum.com/t/problem-deploying-app-on-bluehost/171854 "2009-07-13T13:22:30Z")

</div>

Hi , I am new to ror and deploying my first app spot.us on bluehost , I am getting the following error : Application error Rails application failed to start properly I google and found that it may have something to …

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## [Word document parsing using ROR](https://www.ruby-forum.com/t/word-document-parsing-using-ror/170109)

<div class="topic-metadata">

**Author:** [@anandhkumar](https://www.ruby-forum.com/u/anandhkumar)\
**Replies:** 5\
**Last updated:** [June 23, 2009, 7:23am UTC](https://www.ruby-forum.com/t/word-document-parsing-using-ror/170109 "2009-06-23T07:23:23Z")

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Hi dudes Is there anyway to parse word document to upload the data from word doc to d/b pls help me in sorting this issue. Thanks Anandh

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## [Inquiry about automatic gain control](https://www.ruby-forum.com/t/inquiry-about-automatic-gain-control/154610)

<div class="topic-metadata">

**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\
**Replies:** 5\
**Last updated:** [December 2, 2008, 5:19am UTC](https://www.ruby-forum.com/t/inquiry-about-automatic-gain-control/154610 "2008-12-02T05:19:36Z")

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I am trying to achieve a goal of controlling the AGC, please help. Here is what I have so far, for the automatic gain control (AGC): I have found in the module adc\_interface (which is in fpga\\sdr\_lib\\adc\_interface) a …

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## [400 response](https://www.ruby-forum.com/t/400-response/142205)

<div class="topic-metadata">

**Author:** [@alanwatts](https://www.ruby-forum.com/u/alanwatts)\
**Replies:** 5\
**Last updated:** [July 14, 2008, 10:35am UTC](https://www.ruby-forum.com/t/400-response/142205 "2008-07-14T10:35:35Z")

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We are getting an awful lot of 400 responses being sent back to our clients. For example, consider these two, first one resultsed in a 400, where as the second one didn’t. 79.a.c.d - - \[04/Jul/2008:13:14:21 +0000\] GE…

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## [Bugs in Facets Cloneable?](https://www.ruby-forum.com/t/bugs-in-facets-cloneable/126833)

<div class="topic-metadata">

**Author:** [@sevensoft](https://www.ruby-forum.com/u/sevensoft)\
**Replies:** 5\
**Last updated:** [February 6, 2008, 4:14pm UTC](https://www.ruby-forum.com/t/bugs-in-facets-cloneable/126833 "2008-02-06T16:14:29Z")

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I was just looking at the Cloneable module from the Facets’ library, because it’s useful, and noticed a couple of possible bugs. Is my assessment of this correct? module Cloneable def clone sibling = self.class.new …

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## [Question about mod\_ruby, eruby and ajax](https://www.ruby-forum.com/t/question-about-mod-ruby-eruby-and-ajax/88821)

<div class="topic-metadata">

**Author:** [@Fei\_L](https://www.ruby-forum.com/u/Fei_L)\
**Replies:** 5\
**Last updated:** [September 25, 2007, 11:10pm UTC](https://www.ruby-forum.com/t/question-about-mod-ruby-eruby-and-ajax/88821 "2007-09-25T23:10:47Z")

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Hi Group, I have a question about eruby. I keep getting the following error. I get the same error in apache error log when I try to view it in firefox. How do I fix it: eruby pique.rhtml pique.rhtml:1: undefined meth…

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## [DreamHost and ActionMailer](https://www.ruby-forum.com/t/dreamhost-and-actionmailer/76850)

<div class="topic-metadata">

**Author:** [@ryan](https://www.ruby-forum.com/u/ryan)\
**Replies:** 5\
**Last updated:** [April 7, 2007, 5:21pm UTC](https://www.ruby-forum.com/t/dreamhost-and-actionmailer/76850 "2007-04-07T17:21:09Z")

</div>

I’m getting ready to sign up with DreamHost, but my application is missing the ActionMailer features. First, can anyone provide some real code to send an email upon comment submission? Second, is it easy to setup Act…

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## [Rails is what you need!](https://www.ruby-forum.com/t/rails-is-what-you-need/86607)

<div class="topic-metadata">

**Author:** [@Sami\_SELLAMI](https://www.ruby-forum.com/u/Sami_SELLAMI)\
**Replies:** 5\
**Last updated:** [February 24, 2007, 8:47am UTC](https://www.ruby-forum.com/t/rails-is-what-you-need/86607 "2007-02-24T08:47:50Z")

</div>

Bonjour, Je suis Ã la recherche de documents faisant la promotion de Rails et de la pertinence du choix de ce framework pour le dÃ©veloppement dÂ’une application professionnelle ( Track and Trace + statistiques ) E…

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## [Flash\[:notice\]](https://www.ruby-forum.com/t/flash-notice/82794)

<div class="topic-metadata">

**Author:** [@dxk3355](https://www.ruby-forum.com/u/dxk3355)\
**Replies:** 5\
**Last updated:** [January 21, 2007, 9:06pm UTC](https://www.ruby-forum.com/t/flash-notice/82794 "2007-01-21T21:06:24Z")

</div>

Hello! I want to understand more about how flash\[:notice\] works, because in one case it stays on longer than I would want or expect… I set it in on of the actions, and in the view for that action there is a link to s…

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## [Postgresql and ActiveRecords problems](https://www.ruby-forum.com/t/postgresql-and-activerecords-problems/58121)

<div class="topic-metadata">

**Author:** [@zven](https://www.ruby-forum.com/u/zven)\
**Replies:** 5\
**Last updated:** [April 18, 2006, 11:49pm UTC](https://www.ruby-forum.com/t/postgresql-and-activerecords-problems/58121 "2006-04-18T23:49:50Z")

</div>

Hi all. I have a problem with postgresql PK columns and ActiveRecord. The error is: PGError: ERROR: null value in column “item\_id” violates not-null. Ok, it’s wrong to insert NULL into PK columns, but rails doing it.…

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## [Newby\>\> Ruby and method Gets... and Windows](https://www.ruby-forum.com/t/newby-ruby-and-method-gets-and-windows/56690)

<div class="topic-metadata">

**Author:** [@alex](https://www.ruby-forum.com/u/alex)\
**Replies:** 5\
**Last updated:** [April 3, 2006, 1:55pm UTC](https://www.ruby-forum.com/t/newby-ruby-and-method-gets-and-windows/56690 "2006-04-03T13:55:28Z")

</div>

Hi, i’m under Windows XP SP2 and i installed OneClick Installer. So, i began to read some documentations and i learnt to use the gets’s method. So nothing hard in that, i wrote my program in SciTE: puts “Hi what’s y…

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## [TimeZone, TZInfo, daylight savings, and composed\_of](https://www.ruby-forum.com/t/timezone-tzinfo-daylight-savings-and-composed-of/55037)

<div class="topic-metadata">

**Author:** [@Zack\_C](https://www.ruby-forum.com/u/Zack_C)\
**Replies:** 5\
**Last updated:** [March 17, 2006, 5:38am UTC](https://www.ruby-forum.com/t/timezone-tzinfo-daylight-savings-and-composed-of/55037 "2006-03-17T05:38:47Z")

</div>

Does anyone know the best way to track time zone information. There doesn’t seem to be much documentation on this. So far it seems like a simple db field like create table accounts ( id int unsigned…

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## [Best Meal Delivery Service USA](https://www.ruby-forum.com/t/best-meal-delivery-service-usa/263189)

<div class="topic-metadata">

**Author:** [@americanheartcenter1](https://www.ruby-forum.com/u/americanheartcenter1)\
**Replies:** 0\
**Last updated:** [August 24, 2022, 6:34am UTC](https://www.ruby-forum.com/t/best-meal-delivery-service-usa/263189 "2022-08-24T06:34:49Z")

</div>

Best Family Meal Delivery Service The best feast conveyance administration for families removes the strain from dinner prep and cooking by offering low-stress, swarm-satisfying recipes. These conveyance administrations …

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## [Now Hiring: Remote Full-Stack Software Engineer](https://www.ruby-forum.com/t/now-hiring-remote-full-stack-software-engineer/261335)

<div class="topic-metadata">

**Author:** [@remotedino](https://www.ruby-forum.com/u/remotedino)\
**Replies:** 0\
**Last updated:** [May 13, 2021, 4:49pm UTC](https://www.ruby-forum.com/t/now-hiring-remote-full-stack-software-engineer/261335 "2021-05-13T16:49:42Z")

</div>

Now Hiring: Remote Full-Stack Software Engineer :light\_bulb: 5+ Years of Experience :world\_map: Anywhere in South America :key: Work with the CTO and CEO :airplane: Paid Off-Site (when it’s safe to do so!) …

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## [Unexpected location regex behaviour](https://www.ruby-forum.com/t/unexpected-location-regex-behaviour/244237)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 2\
**Last updated:** [March 9, 2016, 2:25pm UTC](https://www.ruby-forum.com/t/unexpected-location-regex-behaviour/244237 "2016-03-09T14:25:05Z")

</div>

nginx mailing list removed\_email\_address@domain.invalid http://mailman.nginx.org/mailman/listinfo/nginx

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## [wxFormBuilder Event Question](https://www.ruby-forum.com/t/wxformbuilder-event-question/163025)

<div class="topic-metadata">

**Author:** [@wickie](https://www.ruby-forum.com/u/wickie)\
**Replies:** 2\
**Last updated:** [March 17, 2009, 11:10pm UTC](https://www.ruby-forum.com/t/wxformbuilder-event-question/163025 "2009-03-17T23:10:56Z")

</div>

I’m learning these tools right now, and I have a question regarding events. In wxFormBuilder, there is the facility to add events to an object. When I look at the generated .xrc, however, I don’t see any reference to …

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## [Select dropdown bestehend links](https://www.ruby-forum.com/t/select-dropdown-bestehend-links/154302)

<div class="topic-metadata">

**Author:** [@subroutine](https://www.ruby-forum.com/u/subroutine)\
**Replies:** 2\
**Last updated:** [November 27, 2008, 4:11pm UTC](https://www.ruby-forum.com/t/select-dropdown-bestehend-links/154302 "2008-11-27T16:11:39Z")

</div>

Hallo, versuche mich gerade in RoR einzuarbeiten. Habe lange online gesucht, aber leider keine LÃ¶sung zu meinem Problem gefnuden, was ich eigentlich nicht ganz glauben kann. Ich hÃ¤tte gern ein “Select” bei dem ich …

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## [CSV to XML](https://www.ruby-forum.com/t/csv-to-xml/151793)

<div class="topic-metadata">

**Author:** [@btard](https://www.ruby-forum.com/u/btard)\
**Replies:** 2\
**Last updated:** [October 25, 2008, 9:33pm UTC](https://www.ruby-forum.com/t/csv-to-xml/151793 "2008-10-25T21:33:10Z")

</div>

Great forum, been a reader for a long time. My first post comes as a request for some help. I am trying to process a CSV of undetermined length (want to know how to incorporate ‘wc -l’). The CSV has 4 columns that I …

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## [Is an embedded ruby interpreter safe to unload](https://www.ruby-forum.com/t/is-an-embedded-ruby-interpreter-safe-to-unload/88433)

<div class="topic-metadata">

**Author:** [@llothar](https://www.ruby-forum.com/u/llothar)\
**Replies:** 2\
**Last updated:** [March 12, 2007, 1:06am UTC](https://www.ruby-forum.com/t/is-an-embedded-ruby-interpreter-safe-to-unload/88433 "2007-03-12T01:06:16Z")

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Hello ruby-talk, when i use ruby embedded in a program where i call “ruby\_init”, do a few ruby magics and then call “ruby\_finalize”. Will this free all used memory?

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## [Suppress Routing Errors for Missing Static Files](https://www.ruby-forum.com/t/suppress-routing-errors-for-missing-static-files/82283)

<div class="topic-metadata">

**Author:** [@hunter\_h](https://www.ruby-forum.com/u/hunter_h)\
**Replies:** 2\
**Last updated:** [January 18, 2007, 9:23pm UTC](https://www.ruby-forum.com/t/suppress-routing-errors-for-missing-static-files/82283 "2007-01-18T21:23:30Z")

</div>

Hello, I’d like to know how I can suppress errors in the logs for routing errors for missing files. For instance, something like this: \[ERROR\] application#index (ActionController::RoutingError) “no route found to ma…

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## [Ruby on Rails: Up and Running in print or PDF](https://www.ruby-forum.com/t/ruby-on-rails-up-and-running-in-print-or-pdf/67254)

<div class="topic-metadata">

**Author:** [@zoat](https://www.ruby-forum.com/u/zoat)\
**Replies:** 2\
**Last updated:** [September 1, 2006, 7:31pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-up-and-running-in-print-or-pdf/67254 "2006-09-01T19:31:10Z")

</div>

Ruby on Rails: Up and Running - You can now buy this must-have book in our usual high-quality print format, or in a fully searchable and bookmarked PDF for 50% off the print book price. This compact guide from O’Reill…

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## [Turning off interpolation in a regex](https://www.ruby-forum.com/t/turning-off-interpolation-in-a-regex/56421)

<div class="topic-metadata">

**Author:** [@jpfeifer](https://www.ruby-forum.com/u/jpfeifer)\
**Replies:** 2\
**Last updated:** [March 31, 2006, 5:08am UTC](https://www.ruby-forum.com/t/turning-off-interpolation-in-a-regex/56421 "2006-03-31T05:08:54Z")

</div>

I need to be able to find a run of characters (like count) in a string and substitute in the value #{object.count} so that I’m left with a string that can itself be interpolated. The method for doing this that jumped …

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## [Cmake question](https://www.ruby-forum.com/t/cmake-question/242596)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 4\
**Last updated:** [July 6, 2015, 6:35pm UTC](https://www.ruby-forum.com/t/cmake-question/242596 "2015-07-06T18:35:02Z")

</div>

I need to modify the SONAME of some gnuradio libs. In the gnuradio/volk/CMakeList.txt there is an entry set\_target\_properties(volk PROPERTIES SOVERSION ${LIBVER}) that sets the SONAME. But how is this done for other l…

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## [Measuring request processing time](https://www.ruby-forum.com/t/measuring-request-processing-time/242093)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 4\
**Last updated:** [May 27, 2015, 8:10pm UTC](https://www.ruby-forum.com/t/measuring-request-processing-time/242093 "2015-05-27T20:10:42Z")

</div>

Hi! Is there a way to measure time Nginx takes to process request? Not $request\_time, but rather something like “time between request was fully read and request is ready to pass it to the backend”. I need it to evalu…

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## [Nginx removes double slashes](https://www.ruby-forum.com/t/nginx-removes-double-slashes/233611)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 4\
**Last updated:** [December 29, 2014, 5:01pm UTC](https://www.ruby-forum.com/t/nginx-removes-double-slashes/233611 "2014-12-29T17:01:14Z")

</div>

Hello everybody, perhaps I am doing something wrong: location /njs/ { rewrite /njs/(.\*)$ /$1 break; proxy\_redirect off; proxy\_set\_header Host $http\_host; proxy\_s…

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## [Fwd: GRExtras with gnuradio 3.6.5](https://www.ruby-forum.com/t/fwd-grextras-with-gnuradio-3-6-5/235288)

<div class="topic-metadata">

**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 4\
**Last updated:** [June 12, 2013, 6:08pm UTC](https://www.ruby-forum.com/t/fwd-grextras-with-gnuradio-3-6-5/235288 "2013-06-12T18:08:04Z")

</div>

I just installed gnuradio 3.6.5 and every works perfect, i observe a lot of new and useful blocks. Among that i can see grextras install on my gnuradio source directory, but i can’t see the blocks “Extras:…” on GRC. …

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## [Weird apache status values with nginx](https://www.ruby-forum.com/t/weird-apache-status-values-with-nginx/221510)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 4\
**Last updated:** [July 20, 2012, 11:51am UTC](https://www.ruby-forum.com/t/weird-apache-status-values-with-nginx/221510 "2012-07-20T11:51:14Z")

</div>

Hello. Since I have installed nginx on our dedicated server I’m having some odd issue. The “cpu usage” and “requests currently being processed” are not correct on apache-status A couple of image to see ir clearly. Im…

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## [Getting Source of Class or Method](https://www.ruby-forum.com/t/getting-source-of-class-or-method/217321)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 4\
**Last updated:** [April 5, 2012, 5:55pm UTC](https://www.ruby-forum.com/t/getting-source-of-class-or-method/217321 "2012-04-05T17:55:49Z")

</div>

Hi Guys, Recently I’ve started playing with jrubyparser to check how far I can go towards implementing AST transformations (similar to what Groovy has). JRubyParser provides a nice api and it’s fast enough. The only …

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## [Rails: perdita nested hashes in params](https://www.ruby-forum.com/t/rails-perdita-nested-hashes-in-params/204203)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 4\
**Last updated:** [March 8, 2011, 12:43pm UTC](https://www.ruby-forum.com/t/rails-perdita-nested-hashes-in-params/204203 "2011-03-08T12:43:25Z")

</div>

salve a tutti, come da oggetto, sto litigando con la perdita di valori dentro l’array params. dai log, vedo che la richiesta arriva correttamente in questo modo: Parameters: { … “tags”=\> { “group1”=\>{“keyA”=\>“Valu…

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## [Ruby-based equivalent to SCons?](https://www.ruby-forum.com/t/ruby-based-equivalent-to-scons/183139)

<div class="topic-metadata">

**Author:** [@nicksnels](https://www.ruby-forum.com/u/nicksnels)\
**Replies:** 4\
**Last updated:** [February 9, 2010, 1:48am UTC](https://www.ruby-forum.com/t/ruby-based-equivalent-to-scons/183139 "2010-02-09T01:48:46Z")

</div>

First of all, I’d like to point out that while the “What does this Ruby code do?” CAPTCHA when signing up at ruby-forum.com is admittedly a very clever idea, it’s a bit of a pain for Ruby novices like me. You have to …

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## [Gruff with PDF::Writer](https://www.ruby-forum.com/t/gruff-with-pdf-writer/90287)

<div class="topic-metadata">

**Author:** [@RJRJRJ](https://www.ruby-forum.com/u/RJRJRJ)\
**Replies:** 4\
**Last updated:** [January 13, 2010, 3:07pm UTC](https://www.ruby-forum.com/t/gruff-with-pdf-writer/90287 "2010-01-13T15:07:25Z")

</div>

Hello all Has anyone managed to embed gruff graphs into a PDF document using pdf::writer? The easy way (as far as I can see) would be to just save the gruff graph as a temporary file then read that file in pdf::write…

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## [Ruport-how to send email to multiple recipients](https://www.ruby-forum.com/t/ruport-how-to-send-email-to-multiple-recipients/178897)

<div class="topic-metadata">

**Author:** [@marlon](https://www.ruby-forum.com/u/marlon)\
**Replies:** 4\
**Last updated:** [November 13, 2009, 11:49am UTC](https://www.ruby-forum.com/t/ruport-how-to-send-email-to-multiple-recipients/178897 "2009-11-13T11:49:12Z")

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I have this script but currently it only send email to one recipient. Someone knows how to send email to multiple recipients? Please help. require ‘ruport’ require ‘ruport/util’ r = Ruport::Report.new r.add\_mailer …

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## [AB testing with nginx](https://www.ruby-forum.com/t/ab-testing-with-nginx/178350)

<div class="topic-metadata">

**Author:** [@dawe7](https://www.ruby-forum.com/u/dawe7)\
**Replies:** 4\
**Last updated:** [November 3, 2009, 12:23pm UTC](https://www.ruby-forum.com/t/ab-testing-with-nginx/178350 "2009-11-03T12:23:14Z")

</div>

Hello, I need testing our web-site using AB Test. One half request serve by first upstream, and other request serve by second upstream. But If request goes from same people/computer/IP is necessary route request to …

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## [Problemas con Aptana Studio](https://www.ruby-forum.com/t/problemas-con-aptana-studio/159263)

<div class="topic-metadata">

**Author:** [@gustavoe](https://www.ruby-forum.com/u/gustavoe)\
**Replies:** 4\
**Last updated:** [February 3, 2009, 9:14am UTC](https://www.ruby-forum.com/t/problemas-con-aptana-studio/159263 "2009-02-03T09:14:15Z")

</div>

Hola Gente del foro: Mi nombre es Gustavo Echenique, y estoy conociendo Ruby/Ruby on Rails. El IDE que elegi para el desarrollo es Aptana Studio. Estoy fascinado por Ruby (vengo de Java), pero como todo principiante …

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## [Problem extending ActiveRecord with custom validations](https://www.ruby-forum.com/t/problem-extending-activerecord-with-custom-validations/155243)

<div class="topic-metadata">

**Author:** [@gaveeno](https://www.ruby-forum.com/u/gaveeno)\
**Replies:** 4\
**Last updated:** [December 9, 2008, 8:49pm UTC](https://www.ruby-forum.com/t/problem-extending-activerecord-with-custom-validations/155243 "2008-12-09T20:49:46Z")

</div>

I’m having a problem extending ActiveRecord with custom validations based on the “Write Custom Validations” recipe from Advanced Rails Recipes. As far as I can tell, I’ve followed the instructions exactly but for som…

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## [Generating Images/PDF Server-Side](https://www.ruby-forum.com/t/generating-images-pdf-server-side/147387)

<div class="topic-metadata">

**Author:** [@mdaoust](https://www.ruby-forum.com/u/mdaoust)\
**Replies:** 4\
**Last updated:** [September 1, 2008, 11:03am UTC](https://www.ruby-forum.com/t/generating-images-pdf-server-side/147387 "2008-09-01T11:03:55Z")

</div>

Hi, I am working on a project where I need to generate a chart (a bit like a pie chart, but very customised) and insert this into a PDF document. Does anybody have any advice on ruby libraries (or other techniques) fo…

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## [Observer don't check if condition](https://www.ruby-forum.com/t/observer-dont-check-if-condition/137689)

<div class="topic-metadata">

**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Replies:** 4\
**Last updated:** [May 15, 2008, 11:22am UTC](https://www.ruby-forum.com/t/observer-dont-check-if-condition/137689 "2008-05-15T11:22:52Z")

</div>

Hi, i have a problem with the mail deliver after a entry is save. I want to check if one field is filled. In every Option (Controller action, model, observer) i wrote a if !entry.field.nil? Mail.deliver\_entry(entry) …

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