# Top

**URL:** https://www.ruby-forum.com/top.md?page=576

[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:** 577

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## [How do you test a module that extends ActiveSupport::Concern?](https://www.ruby-forum.com/t/how-do-you-test-a-module-that-extends-activesupport-concern/207687)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 1\
**Last updated:** [May 31, 2011, 9:16pm UTC](https://www.ruby-forum.com/t/how-do-you-test-a-module-that-extends-activesupport-concern/207687 "2011-05-31T21:16:05Z")

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I have a module that extends ActiveSupport::Concern. Here is the included block: included do after\_save :save\_tags has\_many :taggings, :as =\> :taggable has\_many :tags, :through =\> :taggings end How can I stub out …

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## [How to make a Grid reread the number of rows in a Table?](https://www.ruby-forum.com/t/how-to-make-a-grid-reread-the-number-of-rows-in-a-table/179863)

<div class="topic-metadata">

**Author:** [@Svend\_Haugaard\_SSSS](https://www.ruby-forum.com/u/Svend_Haugaard_SSSS)\
**Replies:** 7\
**Last updated:** [February 24, 2010, 9:44pm UTC](https://www.ruby-forum.com/t/how-to-make-a-grid-reread-the-number-of-rows-in-a-table/179863 "2010-02-24T21:44:43Z")

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I have used GridTableBase to make and display a Table using a Grid. But if I add a new row to the Table the Grid will not display a new row. So if I start with 9 rows in the table and add a row, so there is 10 rows in…

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## [Definition table pour des tags](https://www.ruby-forum.com/t/definition-table-pour-des-tags/153733)

<div class="topic-metadata">

**Author:** [@gazoduc](https://www.ruby-forum.com/u/gazoduc)\
**Replies:** 7\
**Last updated:** [November 20, 2008, 10:45pm UTC](https://www.ruby-forum.com/t/definition-table-pour-des-tags/153733 "2008-11-20T22:45:32Z")

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Salut à tous ! Je commence l’implémentation de tags pour zena et je voudrais connaître les raisons de l’utilisation d’une table séparée pour les tags: object id ----\> \[object\_id, tag\_id\] -----\> \[tag id, name\] au li…

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## [Document scores](https://www.ruby-forum.com/t/document-scores/129926)

<div class="topic-metadata">

**Author:** [@Bira](https://www.ruby-forum.com/u/Bira)\
**Replies:** 7\
**Last updated:** [February 27, 2008, 7:11pm UTC](https://www.ruby-forum.com/t/document-scores/129926 "2008-02-27T19:11:42Z")

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We’re using Ferret (but not acts\_as\_ferret) on a project I’m working on, and I ran into a problem with the document scores returned from searches. I consider myself a Ferret noob… I know a little about its API, havin…

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## [How can I get the local machine's netmask programmatically?](https://www.ruby-forum.com/t/how-can-i-get-the-local-machines-netmask-programmatically/106765)

<div class="topic-metadata">

**Author:** [@wolfram](https://www.ruby-forum.com/u/wolfram)\
**Replies:** 7\
**Last updated:** [June 14, 2007, 7:22pm UTC](https://www.ruby-forum.com/t/how-can-i-get-the-local-machines-netmask-programmatically/106765 "2007-06-14T19:22:53Z")

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I’m working on a Rails app that needs to restrict certain privileged operations/requests to only those requests that originate from within the local subnet. How can I find out the machine’s netmask programmatically? T…

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## [Active Record and non-numeric, natural primary keys?](https://www.ruby-forum.com/t/active-record-and-non-numeric-natural-primary-keys/73587)

<div class="topic-metadata">

**Author:** [@philpraxis](https://www.ruby-forum.com/u/philpraxis)\
**Replies:** 1\
**Last updated:** [October 25, 2006, 3:34pm UTC](https://www.ruby-forum.com/t/active-record-and-non-numeric-natural-primary-keys/73587 "2006-10-25T15:34:33Z")

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Hi, Are we supposed to use numeric, auto-incremented surrogate keys with Active Record, or are natural (intelligent), non-numeric primary keys perfectly acceptable (advised)? There is an eternal debate on this subjec…

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## [Timing of effects before and after Ajax call](https://www.ruby-forum.com/t/timing-of-effects-before-and-after-ajax-call/54355)

<div class="topic-metadata">

**Author:** [@Axel\_Derks](https://www.ruby-forum.com/u/Axel_Derks)\
**Replies:** 7\
**Last updated:** [May 3, 2006, 11:31pm UTC](https://www.ruby-forum.com/t/timing-of-effects-before-and-after-ajax-call/54355 "2006-05-03T23:31:21Z")

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Hello, I have a problem with the timing of effects. I do have a tag (with id: post1). When the link is clicked, the block “post1” must BlindUp. Then the block is updated with the new content and then the effect Blind…

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## [Source code of Fedena 2.3 is released to public](https://www.ruby-forum.com/t/source-code-of-fedena-2-3-is-released-to-public/223048)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 0\
**Last updated:** [September 20, 2012, 10:38am UTC](https://www.ruby-forum.com/t/source-code-of-fedena-2-3-is-released-to-public/223048 "2012-09-20T10:38:34Z")

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The latest version of Fedena - the opensource school management system is now available to public for free download. Official Blog post - http://projectfedena.org/blog/17-fedena-2-3-released Github - GitHub - projec…

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## [Why no :dependent =\> :destroy on belongs\_to?](https://www.ruby-forum.com/t/why-no-dependent-destroy-on-belongs-to/109383)

<div class="topic-metadata">

**Author:** [@chase](https://www.ruby-forum.com/u/chase)\
**Replies:** 0\
**Last updated:** [July 13, 2007, 10:31pm UTC](https://www.ruby-forum.com/t/why-no-dependent-destroy-on-belongs-to/109383 "2007-07-13T22:31:08Z")

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class Animal \< ActiveRecord::Base belongs\_to :species, :polymorphic =\> true end class Goat \< ActiveRecord::Base has\_one :animal, :as =\> :species end class Capybara \< ActiveRecord::Base has\_one :animal, :as =\> :spe…

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## [Given I know where a method is defined, I want to know where its called (at runtime)](https://www.ruby-forum.com/t/given-i-know-where-a-method-is-defined-i-want-to-know-where-its-called-at-runtime/206575)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 5\
**Last updated:** [May 5, 2011, 9:24am UTC](https://www.ruby-forum.com/t/given-i-know-where-a-method-is-defined-i-want-to-know-where-its-called-at-runtime/206575 "2011-05-05T09:24:50Z")

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Hey all, application completely breaks down in production mode. I followed the execution file by file line by line and yet I cannot figure out where an instance variable is being generated from. But I have a suspicion…

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## [Ruby iterating over Exchange Mailboxes](https://www.ruby-forum.com/t/ruby-iterating-over-exchange-mailboxes/133225)

<div class="topic-metadata">

**Author:** [@sithadmin](https://www.ruby-forum.com/u/sithadmin)\
**Replies:** 5\
**Last updated:** [February 25, 2011, 6:21pm UTC](https://www.ruby-forum.com/t/ruby-iterating-over-exchange-mailboxes/133225 "2011-02-25T18:21:37Z")

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Hello, I have been hitting my head against the wall for hours now. For the life of me, I can’t figure out whats wrong with my script… I have a test script that interacts with CDO to access Microsoft Exchange, as foll…

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## [Ctype functionality without a gem?](https://www.ruby-forum.com/t/ctype-functionality-without-a-gem/198227)

<div class="topic-metadata">

**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Replies:** 5\
**Last updated:** [October 28, 2010, 12:30pm UTC](https://www.ruby-forum.com/t/ctype-functionality-without-a-gem/198227 "2010-10-28T12:30:55Z")

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Hello, Is there a built-in method for identifying character types a la ctype() in C? I would like to avoid requiring a gem dependency. I’m considering the following approach, if nothing exists, but it seems like over…

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## [Process based locks for files](https://www.ruby-forum.com/t/process-based-locks-for-files/66865)

<div class="topic-metadata">

**Author:** [@Radu\_S](https://www.ruby-forum.com/u/Radu_S)\
**Replies:** 5\
**Last updated:** [August 30, 2006, 12:49am UTC](https://www.ruby-forum.com/t/process-based-locks-for-files/66865 "2006-08-30T00:49:00Z")

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Hi, I have two programs accessing the same file. Both programs open and close the file multiple times while running (for example reading it first, and then writing it back using global functions). In order to avoid r…

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## [Rexml trouble parsing](https://www.ruby-forum.com/t/rexml-trouble-parsing/246206)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 2\
**Last updated:** [September 18, 2013, 7:23am UTC](https://www.ruby-forum.com/t/rexml-trouble-parsing/246206 "2013-09-18T07:23:10Z")

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No matter what I do, I can’t seem to get valid XML to load into REXML for parsing. Anybody have any idea what I’m doing wrong? Using Ruby 2.0.0 on a 64 bit machine with Windows 7 Home Premium. I do use pik and I am su…

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## [Undefined method \`model\_name' for ActiveRecord::Relation:Class](https://www.ruby-forum.com/t/undefined-method-model-name-for-activerecord-class/201340)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 2\
**Last updated:** [January 5, 2011, 4:25pm UTC](https://www.ruby-forum.com/t/undefined-method-model-name-for-activerecord-class/201340 "2011-01-05T16:25:30Z")

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Greetings, I’m trying to create a spreadsheet using ekuseru. I have a form that a user enters a course number in and submits. Like ‘HA2211’. The action in my controller this goes to is course\_enrollment. The view …

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## [WordPress MU rewrite rules](https://www.ruby-forum.com/t/wordpress-mu-rewrite-rules/175943)

<div class="topic-metadata">

**Author:** [@pepejose](https://www.ruby-forum.com/u/pepejose)\
**Replies:** 8\
**Last updated:** [October 21, 2009, 10:00am UTC](https://www.ruby-forum.com/t/wordpress-mu-rewrite-rules/175943 "2009-10-21T10:00:19Z")

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Hi I use this rules with apache mod\_rewrite RewriteEngine On RewriteBase / #uploaded files RewriteRule ^(./)?files/$ index.php RewriteRule ^(./)?files/(.\*) wp-content/blogs.php?file=$2 RewriteCond %{REQUEST\_FILENA…

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## [Passing hard-coded values to controller](https://www.ruby-forum.com/t/passing-hard-coded-values-to-controller/167274)

<div class="topic-metadata">

**Author:** [@cbnewman](https://www.ruby-forum.com/u/cbnewman)\
**Replies:** 8\
**Last updated:** [May 7, 2009, 10:08pm UTC](https://www.ruby-forum.com/t/passing-hard-coded-values-to-controller/167274 "2009-05-07T22:08:36Z")

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given the following code snippet: class PatientsController \< ApplicationController … def find @patients = Patient.find(:all, :conditions =\> { :location =\> \[params:search\_string\] }) end I would like to add a few ha…

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## [Possible mutex starvation issue affects all nginx Linux versions](https://www.ruby-forum.com/t/possible-mutex-starvation-issue-affects-all-nginx-linux-versions/237817)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 3\
**Last updated:** [December 11, 2013, 6:11pm UTC](https://www.ruby-forum.com/t/possible-mutex-starvation-issue-affects-all-nginx-linux-versions/237817 "2013-12-11T18:11:38Z")

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Here is a patch for a possible mutex starvation issue which affects all nginx Linux versions. Already solved for Windows since nginx 1.5.7.1 Caterpillar. Can be reproduced when nginx reloads the config & worker holdin…

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## [GitHub switching to Markdown?](https://www.ruby-forum.com/t/github-switching-to-markdown/165856)

<div class="topic-metadata">

**Author:** [@jasongarber](https://www.ruby-forum.com/u/jasongarber)\
**Replies:** 3\
**Last updated:** [April 18, 2009, 7:25pm UTC](https://www.ruby-forum.com/t/github-switching-to-markdown/165856 "2009-04-18T19:25:43Z")

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You know, I can see using Markdown in something like a README where it will be read in plain-text (the plain text of markdown is prettier than textile), but for issues, comments, and messages where no one will be read…

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## [ActionMailer getaddrinfo: Name or service not known](https://www.ruby-forum.com/t/actionmailer-getaddrinfo-name-or-service-not-known/160045)

<div class="topic-metadata">

**Author:** [@jtspimp](https://www.ruby-forum.com/u/jtspimp)\
**Replies:** 0\
**Last updated:** [February 11, 2009, 10:00am UTC](https://www.ruby-forum.com/t/actionmailer-getaddrinfo-name-or-service-not-known/160045 "2009-02-11T10:00:10Z")

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When I deploy my rails 2.2.2 app to bluehost, I’m having trouble with the ActionMailer SMTP settings. When I attempt to send emails through Rails/SMTP, I get the following error message: getaddrinfo: Name or service …

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## [New Tutorial PDF](https://www.ruby-forum.com/t/new-tutorial-pdf/122559)

<div class="topic-metadata">

**Author:** [@Arne\_B](https://www.ruby-forum.com/u/Arne_B)\
**Replies:** 3\
**Last updated:** [December 11, 2007, 2:44pm UTC](https://www.ruby-forum.com/t/new-tutorial-pdf/122559 "2007-12-11T14:44:41Z")

</div>

I’m not all the way through with bringing this up to date, but it’s better then before so here goes. (ab)

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## [Stand Alone USRP applications?](https://www.ruby-forum.com/t/stand-alone-usrp-applications/110608)

<div class="topic-metadata">

**Author:** [@amin1426](https://www.ruby-forum.com/u/amin1426)\
**Replies:** 3\
**Last updated:** [July 29, 2007, 6:58pm UTC](https://www.ruby-forum.com/t/stand-alone-usrp-applications/110608 "2007-07-29T18:58:45Z")

</div>

Are there examples outside of the GNURadio set of stuff which use the USRP as a highspeed data acquisition device, and would allow one to build an application around it. The reason for this is, I may be forced to mak…

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## [RSS standard lib?](https://www.ruby-forum.com/t/rss-standard-lib/227574)

<div class="topic-metadata">

**Author:** [@Hal\_F](https://www.ruby-forum.com/u/Hal_F)\
**Replies:** 1\
**Last updated:** [March 20, 2013, 1:49am UTC](https://www.ruby-forum.com/t/rss-standard-lib/227574 "2013-03-20T01:49:35Z")

</div>

Hi, all… I used to use “feedtools” (now defunct) and I am trying to switch over to the RSS stdlib. Can anyone tell me why this doesn’t work? (Error below) Thanks, Hal require ‘rss’ require ‘open-uri’ URL = “Space…

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## [How to "go to" in a RUBY script . .](https://www.ruby-forum.com/t/how-to-go-to-in-a-ruby-script/60934)

<div class="topic-metadata">

**Author:** [@bodikp](https://www.ruby-forum.com/u/bodikp)\
**Replies:** 1\
**Last updated:** [May 18, 2006, 6:06pm UTC](https://www.ruby-forum.com/t/how-to-go-to-in-a-ruby-script/60934 "2006-05-18T18:06:46Z")

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Hi, Can someone tell me how to implement a “go to” kind of statement in RUBY–GOTO, like in DOS or Windows scripts? If I do an “if” statement for certain files in a directory, I want to “go to” other parts of the prog…

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## [JRuby branch started](https://www.ruby-forum.com/t/jruby-branch-started/148720)

<div class="topic-metadata">

**Author:** [@jasongarber](https://www.ruby-forum.com/u/jasongarber)\
**Replies:** 4\
**Last updated:** [September 17, 2008, 9:38am UTC](https://www.ruby-forum.com/t/jruby-branch-started/148720 "2008-09-17T09:38:38Z")

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I’ve started a branch on GitHub so that those who are interested can hack on JRuby compatibility for RedCloth: http://github.com/jgarber/redcloth/tree/jruby As I’ve said from time to time, I don’t have the time, skill…

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## [P2P facility or plugin?](https://www.ruby-forum.com/t/p2p-facility-or-plugin/137945)

<div class="topic-metadata">

**Author:** [@damaris](https://www.ruby-forum.com/u/damaris)\
**Replies:** 4\
**Last updated:** [May 19, 2008, 4:31pm UTC](https://www.ruby-forum.com/t/p2p-facility-or-plugin/137945 "2008-05-19T16:31:56Z")

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Hi you all, is there any plugin or extension to create P2P applications with Rails? Such as JXTA for Java? Thanks.

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## [How to write “Destroy kid” in cucumber](https://www.ruby-forum.com/t/how-to-write-destroy-kid-in-cucumber/236711)

<div class="topic-metadata">

**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 0\
**Last updated:** [September 27, 2013, 9:37am UTC](https://www.ruby-forum.com/t/how-to-write-destroy-kid-in-cucumber/236711 "2013-09-27T09:37:25Z")

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how to write “Destroy kid” in cucumber Scenario: User can delete kids Given I am on the kids page When I Destroy kid Then I should see “Kid deleted successfully” Then one kid should not exist Listing kids Kid nam…

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## [Database depending on URL](https://www.ruby-forum.com/t/database-depending-on-url/241095)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 6\
**Last updated:** [May 14, 2014, 6:34pm UTC](https://www.ruby-forum.com/t/database-depending-on-url/241095 "2014-05-14T18:34:52Z")

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Hi All, I’m brand new to ROR so sorry for the noob question. Been searching the net for this one but haven’t been able to figure it out. My ROR application talks to an existing database. Yup I figured out how to ma…

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## [Is there an easier way to get a match before a position in a string?](https://www.ruby-forum.com/t/is-there-an-easier-way-to-get-a-match-before-a-position-in-a-string/126738)

<div class="topic-metadata">

**Author:** [@Michael\_WSRyder](https://www.ruby-forum.com/u/Michael_WSRyder)\
**Replies:** 6\
**Last updated:** [January 21, 2008, 11:01pm UTC](https://www.ruby-forum.com/t/is-there-an-easier-way-to-get-a-match-before-a-position-in-a-string/126738 "2008-01-21T23:01:05Z")

</div>

I am trying to find an easier way to split a string into printable lines. I could use the method of checking for a space using a loop and going back from the desired length or I could use the following: def strbrk(st…

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## [Backticks](https://www.ruby-forum.com/t/backticks/112276)

<div class="topic-metadata">

**Author:** [@john\_old](https://www.ruby-forum.com/u/john_old)\
**Replies:** 6\
**Last updated:** [August 17, 2007, 4:46am UTC](https://www.ruby-forum.com/t/backticks/112276 "2007-08-17T04:46:51Z")

</div>

Wow, seems that you can use double-quoted string style substitution for backtick system calls. say we make a list of some files: ls = Dir.glob(’\*.doc’) some\_file = ls\[2\] on OS X there is the really convenient ‘open’…

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## [Encode UTF-8 for strings with accents](https://www.ruby-forum.com/t/encode-utf-8-for-strings-with-accents/264934)

<div class="topic-metadata">

**Author:** [@Luc-Antoine](https://www.ruby-forum.com/u/Luc-Antoine)\
**Replies:** 1\
**Last updated:** [August 7, 2024, 8:27pm UTC](https://www.ruby-forum.com/t/encode-utf-8-for-strings-with-accents/264934 "2024-08-07T20:27:24Z")

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Hello, I have a problem to show some strings. I am French. There are a lot of characters with accents in my language. My problem is when I want to show a user profile, I got this error: incompatible character encodin…

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## [Gem problems](https://www.ruby-forum.com/t/gem-problems/209999)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 7\
**Last updated:** [July 29, 2011, 3:58pm UTC](https://www.ruby-forum.com/t/gem-problems/209999 "2011-07-29T15:58:38Z")

</div>

Trying to use cabybara and aws’s ruby gem and I’m getting this error: \*Bundler could not find compatible versions for gem “nokogiri”: In Gemfile: aws-sdk depends on nokogiri (~\> 1.4.4) capybara depends on nokogir…

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## [Deploying Radiant on site5](https://www.ruby-forum.com/t/deploying-radiant-on-site5/142875)

<div class="topic-metadata">

**Author:** [@janpipek](https://www.ruby-forum.com/u/janpipek)\
**Replies:** 7\
**Last updated:** [July 13, 2008, 5:53pm UTC](https://www.ruby-forum.com/t/deploying-radiant-on-site5/142875 "2008-07-13T17:53:23Z")

</div>

I have been trying to deploy radiant on site5, and I think I am close to succeeding. However, when go to the frontpage it says: Application error Rails application failed to start properly In the error log this is t…

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## [Facets branch?](https://www.ruby-forum.com/t/facets-branch/85155)

<div class="topic-metadata">

**Author:** [@igotimac](https://www.ruby-forum.com/u/igotimac)\
**Replies:** 7\
**Last updated:** [February 12, 2007, 6:50pm UTC](https://www.ruby-forum.com/t/facets-branch/85155 "2007-02-12T18:50:41Z")

</div>

I just noticed a facets branch in svn. What’s the goal of this branch?

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## [How to redirect a string to stdin within code?](https://www.ruby-forum.com/t/how-to-redirect-a-string-to-stdin-within-code/101545)

<div class="topic-metadata">

**Author:** [@Christian\_Seifert](https://www.ruby-forum.com/u/Christian_Seifert)\
**Replies:** 7\
**Last updated:** [August 7, 2006, 3:41am UTC](https://www.ruby-forum.com/t/how-to-redirect-a-string-to-stdin-within-code/101545 "2006-08-07T03:41:45Z")

</div>

Hello all, I am trying to create a unit test for a class that reads input from stdin (ie. the user enters his name when starting the class). I would like to write a unit test that provides the input via a string. so…

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## [Directory.entries problems with while loops](https://www.ruby-forum.com/t/directory-entries-problems-with-while-loops/62491)

<div class="topic-metadata">

**Author:** [@customsgod](https://www.ruby-forum.com/u/customsgod)\
**Replies:** 7\
**Last updated:** [June 6, 2006, 3:21am UTC](https://www.ruby-forum.com/t/directory-entries-problems-with-while-loops/62491 "2006-06-06T03:21:42Z")

</div>

I am trying to create an array with all the files of a directory of a certain file type. I use Directory.entries to get an array of all the files and folders in the directory. Then when i try to use a while loop to so…

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## [Update data using jQuery UI dialog](https://www.ruby-forum.com/t/update-data-using-jquery-ui-dialog/178517)

<div class="topic-metadata">

**Author:** [@jmaenpaa](https://www.ruby-forum.com/u/jmaenpaa)\
**Replies:** 2\
**Last updated:** [November 5, 2009, 8:32pm UTC](https://www.ruby-forum.com/t/update-data-using-jquery-ui-dialog/178517 "2009-11-05T20:32:12Z")

</div>

Hello all, I’m just a newbie with Ruby on Rails but I’ve worked a little more with jQuery. I have a RoR application that has a very long “New” form. One of the fields in the form is “Project Notes”. I have created …

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## [YARV Bytecode Documentation](https://www.ruby-forum.com/t/yarv-bytecode-documentation/137714)

<div class="topic-metadata">

**Author:** [@chmaruni](https://www.ruby-forum.com/u/chmaruni)\
**Replies:** 2\
**Last updated:** [May 15, 2008, 5:41pm UTC](https://www.ruby-forum.com/t/yarv-bytecode-documentation/137714 "2008-05-15T17:41:06Z")

</div>

Hello \*, does anybody know any (if possible up-to-date) documentation/specification of the Ruby 1.9 (YARV) bytecodes? The only docs I could find are: YARV: Yet another RubyVM / Instruction Table (a simple table of th…

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## [Dias entre dos fechas](https://www.ruby-forum.com/t/dias-entre-dos-fechas/112997)

<div class="topic-metadata">

**Author:** [@Yahoo](https://www.ruby-forum.com/u/Yahoo)\
**Replies:** 2\
**Last updated:** [August 26, 2007, 3:20pm UTC](https://www.ruby-forum.com/t/dias-entre-dos-fechas/112997 "2007-08-26T15:20:46Z")

</div>

Buenas. Estoy empezando, y me surge una duda. Tengo en la bd un campo created\_at, de formato datetime. Y quiero saber los dias entre ese formato y el dia de hoy, para aplicar un estilo u otro en la hoja de estilos. H…

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## [SPDY errors in log](https://www.ruby-forum.com/t/spdy-errors-in-log/232644)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 5\
**Last updated:** [October 20, 2014, 1:37am UTC](https://www.ruby-forum.com/t/spdy-errors-in-log/232644 "2014-10-20T01:37:53Z")

</div>

i just noticed several entries in the main nginx log here that are: \[error\] 28042#0: \*12244 inflate() failed: -5 while processing SPDY, client: xx.xx.xx.xx, server: 0.0.0.0:443 anyone know what this is caused by? i h…

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## [wxPython 3.0 breaks wxGUI](https://www.ruby-forum.com/t/wxpython-3-0-breaks-wxgui/230358)

<div class="topic-metadata">

**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Replies:** 5\
**Last updated:** [June 17, 2014, 6:18pm UTC](https://www.ruby-forum.com/t/wxpython-3-0-breaks-wxgui/230358 "2014-06-17T18:18:04Z")

</div>

(Apologies if this is posted twice, I subscribed as it didn’t seem to be show up on the archives.) Hey there, Arch Linux uses wxPython 3.0 which throws assertions that I haven’t had the patience to track down, to do …

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## [Nginx reverse proxy proxies subset of requests slowly](https://www.ruby-forum.com/t/nginx-reverse-proxy-proxies-subset-of-requests-slowly/217051)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 5\
**Last updated:** [February 20, 2012, 10:13pm UTC](https://www.ruby-forum.com/t/nginx-reverse-proxy-proxies-subset-of-requests-slowly/217051 "2012-02-20T22:13:21Z")

</div>

(This is cross-post from Server Fault: http://serverfault.com/questions/361742/nginx-reverse-proxy-proxies-subset-of-requests-slowly) We’re running an nginx reverse proxy in front of a couple of IIS 7.5 web servers. I…

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## [Welcome to Nginx message](https://www.ruby-forum.com/t/welcome-to-nginx-message/154143)

<div class="topic-metadata">

**Author:** [@Swanilda\_Suarez](https://www.ruby-forum.com/u/Swanilda_Suarez)\
**Replies:** 5\
**Last updated:** [April 17, 2011, 2:24am UTC](https://www.ruby-forum.com/t/welcome-to-nginx-message/154143 "2011-04-17T02:24:53Z")

</div>

I have installed nginx, but I was wondering what do I need to do in order to be able to type the ip address and instead of getting the welcome screen, have my webpage come up. In other words every time I type xx.xx.…

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## [USRP, GNU Radio on Windows](https://www.ruby-forum.com/t/usrp-gnu-radio-on-windows/192749)

<div class="topic-metadata">

**Author:** [@olf](https://www.ruby-forum.com/u/olf)\
**Replies:** 5\
**Last updated:** [August 30, 2010, 12:01am UTC](https://www.ruby-forum.com/t/usrp-gnu-radio-on-windows/192749 "2010-08-30T00:01:29Z")

</div>

Hi, Â Â Â Â Â I just entered into the world of GNU Radio. I bought an USRP + WBX + LP0410 (400MHz - 1GHz). I managed to install GNU Radio (v. 3.2.2) on a Windows XP SP3 (with MinGW, msys, numpy, wxpython and others…

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## [Lol.. google undo send definitely is a fad](https://www.ruby-forum.com/t/lol-google-undo-send-definitely-is-a-fad/164384)

<div class="topic-metadata">

**Author:** [@barby](https://www.ruby-forum.com/u/barby)\
**Replies:** 5\
**Last updated:** [April 2, 2009, 4:18am UTC](https://www.ruby-forum.com/t/lol-google-undo-send-definitely-is-a-fad/164384 "2009-04-02T04:18:09Z")

</div>

It took me more than the 2 seconds I get from google to realize that I sent the previous email to the wrong address.

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## [Can anyone explain how to work with git](https://www.ruby-forum.com/t/can-anyone-explain-how-to-work-with-git/160947)

<div class="topic-metadata">

**Author:** [@orenshani](https://www.ruby-forum.com/u/orenshani)\
**Replies:** 5\
**Last updated:** [February 28, 2009, 11:10am UTC](https://www.ruby-forum.com/t/can-anyone-explain-how-to-work-with-git/160947 "2009-02-28T11:10:11Z")

</div>

Hi all I am a newbie to radiant and I am in the stage where I want to create a first project just to learn how to work with it. So after I successfully installed my first project, I would like to add some extensions …

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## [How does Rails link\_to connects to the show.rhtml?](https://www.ruby-forum.com/t/how-does-rails-link-to-connects-to-the-show-rhtml/131217)

<div class="topic-metadata">

**Author:** [@ric](https://www.ruby-forum.com/u/ric)\
**Replies:** 3\
**Last updated:** [March 8, 2008, 11:11pm UTC](https://www.ruby-forum.com/t/how-does-rails-link-to-connects-to-the-show-rhtml/131217 "2008-03-08T23:11:40Z")

</div>

Environment: rails 2.0.2 on OS X. I wish I had a better way of showing this… I have a question about the logic path hidden within Rails 2.0.2. Scenario: I’m viewing a partial view and click on a linked line of an it…

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## [Nth Root in Ruby](https://www.ruby-forum.com/t/nth-root-in-ruby/117954)

<div class="topic-metadata">

**Author:** [@jazcyk](https://www.ruby-forum.com/u/jazcyk)\
**Replies:** 3\
**Last updated:** [October 23, 2007, 6:36pm UTC](https://www.ruby-forum.com/t/nth-root-in-ruby/117954 "2007-10-23T18:36:57Z")

</div>

Hi, I have tried Googling, but am finding it difficult to track down an answer to my question: What’s the easiest way to calculate the Nth root of a number in Ruby, I’ve looked at the Math module but this doesn’t see…

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## [Installing Rails in RoR](https://www.ruby-forum.com/t/installing-rails-in-ror/188773)

<div class="topic-metadata">

**Author:** [@anon\_comp](https://www.ruby-forum.com/u/anon_comp)\
**Replies:** 4\
**Last updated:** [January 18, 2011, 2:56pm UTC](https://www.ruby-forum.com/t/installing-rails-in-ror/188773 "2011-01-18T14:56:51Z")

</div>

I’m trying to install RoR on Windows XP x32 I’ve tried different variations of installing Rails such as gem install rails --include-dependencies INFO: ‘gem install -y’ is now default and will be removed INFO: use --…

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## [App.config file in a rails app](https://www.ruby-forum.com/t/app-config-file-in-a-rails-app/187666)

<div class="topic-metadata">

**Author:** [@Chris\_Ortman](https://www.ruby-forum.com/u/Chris_Ortman)\
**Replies:** 4\
**Last updated:** [April 27, 2010, 8:55pm UTC](https://www.ruby-forum.com/t/app-config-file-in-a-rails-app/187666 "2010-04-27T20:55:54Z")

</div>

I am playing around with ir + rails and using it in front of a bunch of existing .NET code. The .NET code really really wants a couple of settings in When i run via script/server though the app.config file is ir.exe.…

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