# Top **URL:** https://www.ruby-forum.com/top.md?page=782 [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:** 783 --- ## [App can't find gem](https://www.ruby-forum.com/t/app-cant-find-gem/203648)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 5\ **Last updated:** [February 25, 2011, 1:54am UTC](https://www.ruby-forum.com/t/app-cant-find-gem/203648 "2011-02-25T01:54:11Z")
Hi all, I’m new to rails, and initially I’m just trying to get a simple app to work. I’ve read the basics and got rails up and running, but I can’t get my app to find the required gem. I’m attempting to use this gem:… --- ## [Rails 3 - the most annoying deprecation warning](https://www.ruby-forum.com/t/rails-3-the-most-annoying-deprecation-warning/194067)
**Author:** [@bruparel](https://www.ruby-forum.com/u/bruparel)\ **Replies:** 5\ **Last updated:** [August 30, 2010, 4:48am UTC](https://www.ruby-forum.com/t/rails-3-the-most-annoying-deprecation-warning/194067 "2010-08-30T04:48:19Z")
I just successfully converted my Rails 2.3.8 app to Rails 3.0 Release candidate 2! I will post both the apps on my github account for everyone else. I do want to clean up the deprecation warnings as best as I can be… --- ## [PHP -\> Ruby On Rails: advice wanted on customer management ( dns / email )](https://www.ruby-forum.com/t/php-ruby-on-rails-advice-wanted-on-customer-management-dns-email/183161)
**Author:** [@rubybox](https://www.ruby-forum.com/u/rubybox)\ **Replies:** 5\ **Last updated:** [February 9, 2010, 2:10pm UTC](https://www.ruby-forum.com/t/php-ruby-on-rails-advice-wanted-on-customer-management-dns-email/183161 "2010-02-09T14:10:43Z")
Ive searched this group and google Groups and hope this topic will get approved since ruby on rails tak seems the only place I could ask. CURRENT SITUATION: Currently Im using a Plesk, PHP, Ruby Enterprise VPS with t… --- ## [Problema con rutas](https://www.ruby-forum.com/t/problema-con-rutas/166069)
**Author:** [@chimorito](https://www.ruby-forum.com/u/chimorito)\ **Replies:** 5\ **Last updated:** [April 23, 2009, 1:19pm UTC](https://www.ruby-forum.com/t/problema-con-rutas/166069 "2009-04-23T13:19:04Z")
He abierto este hilo porque me ha surgido una duda especifica de un metodo tras estar trasteando con el script/runner. Os explico: Tengo un problema a la hora de actualizar el usuario del dia, y seguro que es por las … --- ## [Problema gem](https://www.ruby-forum.com/t/problema-gem/164933)
**Author:** [@Angelbit](https://www.ruby-forum.com/u/Angelbit)\ **Replies:** 5\ **Last updated:** [April 10, 2009, 2:22am UTC](https://www.ruby-forum.com/t/problema-gem/164933 "2009-04-10T02:22:36Z")
Ciao avevo installato gem con setup.rb tempo fa’ su ubuntu ora provo a utilizzarlo ma mi compare questo messaggio:/usr/bin/gem:10:Warning: Gem::manage\_gems is deprecated and will be removed on or after March 2009. c… --- ## [OCI-8, Oracle : 'ORDER BY' doesn't work with 'bind\_param'](https://www.ruby-forum.com/t/oci-8-oracle-order-by-doesnt-work-with-bind-param/162770)
**Author:** [@randy](https://www.ruby-forum.com/u/randy)\ **Replies:** 5\ **Last updated:** [March 13, 2009, 6:22pm UTC](https://www.ruby-forum.com/t/oci-8-oracle-order-by-doesnt-work-with-bind-param/162770 "2009-03-13T18:22:48Z")
Hello, I’m testing the gem ‘ruby-oci8’/oci8 (1.0.4) under Windows with Ruby 1.8.6 patchlevel 287. I play with the user SCOTT and the table EMP of ORACLE. First, the table : Schema = SCOTT, Name =EMP Columns8 EMPNO |… --- ## [Referencing a non-ActiveRecord attribute](https://www.ruby-forum.com/t/referencing-a-non-activerecord-attribute/160404)
**Author:** [@rapdup](https://www.ruby-forum.com/u/rapdup)\ **Replies:** 5\ **Last updated:** [February 16, 2009, 5:39am UTC](https://www.ruby-forum.com/t/referencing-a-non-activerecord-attribute/160404 "2009-02-16T05:39:50Z")
I am trying to access a model’s attribute that does not have a column in the model’s corresponding table. It exists only through an attr\_accessor: class Widget \< ActiveRecord::Base attr\_accessor :attribute\_not\_in\_db … --- ## [Version 1.2.3](https://www.ruby-forum.com/t/version-1-2-3/160064)
**Author:** [@pantomima](https://www.ruby-forum.com/u/pantomima)\ **Replies:** 5\ **Last updated:** [February 11, 2009, 2:24pm UTC](https://www.ruby-forum.com/t/version-1-2-3/160064 "2009-02-11T14:24:52Z")
hola a todos. estoy intentando encontrar una version en concreto de ruby on rails, que es la 1.2.3, que es, ademas, la unica que me sirve (las demas, por lo visto, son incompatibles). alguien puede facilitarme un enl… --- ## [Serving an iPhone website with nginx](https://www.ruby-forum.com/t/serving-an-iphone-website-with-nginx/157541)
**Author:** [@npenkov](https://www.ruby-forum.com/u/npenkov)\ **Replies:** 5\ **Last updated:** [January 18, 2009, 5:13pm UTC](https://www.ruby-forum.com/t/serving-an-iphone-website-with-nginx/157541 "2009-01-18T17:13:18Z")
nginx crowd, (For those not interested in serving an iPhone site, feel free to delete this.) While recently working on an iPhone website, I found I had some seemingly common requirements but couldn’t find any good w… --- ## [Any\_instance with rspec](https://www.ruby-forum.com/t/any-instance-with-rspec/138205)
**Author:** [@mr\_tibs](https://www.ruby-forum.com/u/mr_tibs)\ **Replies:** 5\ **Last updated:** [November 18, 2008, 4:09pm UTC](https://www.ruby-forum.com/t/any-instance-with-rspec/138205 "2008-11-18T16:09:13Z")
Hi, I really need to use any\_instance - which is a Mocha feature with rspec. I really can’t get around it. In “The Rails Way”, the author says “It is possible to use Mocha together with RSpec…”. How? Thanks, Tiberiu … --- ## [The Given, When, Then framework](https://www.ruby-forum.com/t/the-given-when-then-framework/140480)
**Author:** [@aidy\_lewis](https://www.ruby-forum.com/u/aidy_lewis)\ **Replies:** 5\ **Last updated:** [June 14, 2008, 8:48pm UTC](https://www.ruby-forum.com/t/the-given-when-then-framework/140480 "2008-06-14T20:48:11Z")
Hi, Is the Given, When, Then framework, the user story, the acceptance criteria or both? Aidy --- ## [I only want to validate when field is not empty](https://www.ruby-forum.com/t/i-only-want-to-validate-when-field-is-not-empty/127470)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 5\ **Last updated:** [January 29, 2008, 10:16pm UTC](https://www.ruby-forum.com/t/i-only-want-to-validate-when-field-is-not-empty/127470 "2008-01-29T22:16:10Z")
Hi, I have a field in my user model: Work phone \<%= text\_field 'user', 'work\_phone' %\> But I only want to validate it if it is non-empty. So I put this into my user model: validates\_as\_phone :work\_phone, :… --- ## [How to get the key, value pairs of RHASH?](https://www.ruby-forum.com/t/how-to-get-the-key-value-pairs-of-rhash/112311)
**Author:** [@unbewust](https://www.ruby-forum.com/u/unbewust)\ **Replies:** 5\ **Last updated:** [September 25, 2007, 11:09pm UTC](https://www.ruby-forum.com/t/how-to-get-the-key-value-pairs-of-rhash/112311 "2007-09-25T23:09:59Z")
i’d like to have, in my module options (is in FileUtils for ex) like that in the Ruby side: symt = SYMBOL\_TEST.new( “/my/src/path”, :verbose =\> true, :noop =\> true ) i know, from experiment, that, in my C init i get … --- ## [Basic Authentication fails with curl using restful\_authentic](https://www.ruby-forum.com/t/basic-authentication-fails-with-curl-using-restful-authentic/114076)
**Author:** [@Hardbap](https://www.ruby-forum.com/u/Hardbap)\ **Replies:** 5\ **Last updated:** [September 7, 2007, 9:54pm UTC](https://www.ruby-forum.com/t/basic-authentication-fails-with-curl-using-restful-authentic/114076 "2007-09-07T21:54:41Z")
Rails 1.2.3 Ruby 1.8.4 url 7.15.5 I have a simple app that uses the restful\_authentication plugin. Authentication works great from the browser but when I try to test things via curl I get “Couldn’t authenticate you”… --- ## [Data Science Course in Noida](https://www.ruby-forum.com/t/data-science-course-in-noida/260930)
**Author:** [@akshusingh](https://www.ruby-forum.com/u/akshusingh)\ **Replies:** 0\ **Last updated:** [February 5, 2021, 10:55am UTC](https://www.ruby-forum.com/t/data-science-course-in-noida/260930 "2021-02-05T10:55:13Z")
Data Science is a field that uses scientific approach, methods, and processes, algorithms to extract knowledge from many structured and unstructured data. It is expected that around 6 million data scientists will be requ… --- ## [UNIXServer is required (LoadError)](https://www.ruby-forum.com/t/unixserver-is-required-loaderror/251976)
**Author:** [@veda](https://www.ruby-forum.com/u/veda)\ **Replies:** 0\ **Last updated:** [February 27, 2019, 5:05pm UTC](https://www.ruby-forum.com/t/unixserver-is-required-loaderror/251976 "2019-02-27T17:05:45Z")
Hi , I am running into an issue “UNIXServer is required (LoadError)” when i try to run “rails test” or " ruby -I test xxxx.rb" on windows 7. Ruby : 2.5.0 OS : windows Anybody faced this issue? Any help is much apprec… --- ## [My\_Yard version 0.0.1 Released!](https://www.ruby-forum.com/t/my-yard-version-0-0-1-released/244955)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [July 17, 2016, 5:34am UTC](https://www.ruby-forum.com/t/my-yard-version-0-0-1-released/244955 "2016-07-17T05:34:34Z")
Hi y’all: I just posted the first version of my\_yard to rubygems.org It is a GUI interface for yard where you can run yard in a window rather than on the command line. Its written in visualruby (gtk) Yard is a full … --- ## [Hébergement Rails PaaS PulseHeberg](https://www.ruby-forum.com/t/hebergement-rails-paas-pulseheberg/230357)
**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\ **Replies:** 0\ **Last updated:** [June 12, 2014, 10:45pm UTC](https://www.ruby-forum.com/t/hebergement-rails-paas-pulseheberg/230357 "2014-06-12T22:45:37Z")
Hello tout le monde, je viens de commencer mon interface web pour mon projet domotique au lycée, je doit la présenter dans quelques jours, est-ce que quelqu’un peut me donner l’adresse d’un bon hébergeur pour mes appl… --- ## [Select\_tag from JSON](https://www.ruby-forum.com/t/select-tag-from-json/230015)
**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\ **Replies:** 0\ **Last updated:** [May 27, 2014, 11:05am UTC](https://www.ruby-forum.com/t/select-tag-from-json/230015 "2014-05-27T11:05:39Z")
Bonjour a tous, Tout d’abord, je tiens à vous préciser que je suis vraiment débutant en Ruby & Rails, et que je devrait passer une formation très bientot pour avoir un peu plus les bases. Néanmoins, je commence déjà … --- ## [Fixnum problem](https://www.ruby-forum.com/t/fixnum-problem/184739)
**Author:** [@manish\_belsare](https://www.ruby-forum.com/u/manish_belsare)\ **Replies:** 0\ **Last updated:** [March 7, 2010, 7:05pm UTC](https://www.ruby-forum.com/t/fixnum-problem/184739 "2010-03-07T19:05:34Z")
Sir can i know what is the meaning of the phrase ‘comparison of Fixnum with nil failed’ I want to pass two parameters to a method in a model file… bt wen i pass an integer then it gives the above error… Please help… --- ## [Gnip-1.0.0 (http://gnip.com)](https://www.ruby-forum.com/t/gnip-1-0-0-http-gnip-com/164087)
**Author:** [@ahoward](https://www.ruby-forum.com/u/ahoward)\ **Replies:** 0\ **Last updated:** [March 27, 2009, 6:33pm UTC](https://www.ruby-forum.com/t/gnip-1-0-0-http-gnip-com/164087 "2009-03-27T18:33:56Z")
NOTE: i made a small mistake with an earlier release(0.4.2) - it has a bad dependancy (restclient vs rest-client) so please either wait for 1.0.0 to propagate or, in the meantime, grab it directly from http://rubyfor… --- ## [コミッタ就任のお知らせ](https://www.ruby-forum.com/t/topic/226908)
**Author:** [@SHIBATA\_Hiroshi](https://www.ruby-forum.com/u/SHIBATA_Hiroshi)\ **Replies:** 4\ **Last updated:** [February 26, 2013, 9:56am UTC](https://www.ruby-forum.com/t/topic/226908 "2013-02-26T09:56:49Z")
$B$3$s$P$s$O!"(Bhsbt $B$3$H\ **Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 4\ **Last updated:** [December 24, 2012, 5:01pm UTC](https://www.ruby-forum.com/t/question-about-html-pipeline/225229 "2012-12-24T17:01:05Z") I am new to rails and new to this mailling list, if some thing I said wrong, please forgive me and correct me I am try to make our project support emotion (emoji), after a few search, I find html-pipeline (GitHub - g… --- ## [\[ruby-trunk - Feature #5554\]\[Open\] A method that applies self to a Proc if self is a Symbol](https://www.ruby-forum.com/t/ruby-trunk-feature-5554-open-a-method-that-applies-self-to-a-proc-if-self-is-a-symbol/213461)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 4\ **Last updated:** [November 20, 2012, 1:00pm UTC](https://www.ruby-forum.com/t/ruby-trunk-feature-5554-open-a-method-that-applies-self-to-a-proc-if-self-is-a-symbol/213461 "2012-11-20T13:00:38Z")
Issue #5554 has been reported by Tsuyoshi Sawada. Feature #5554: A method that applies self to a Proc if self is a Symbol Author: Tsuyoshi Sawada Status: Open Priority: Normal Assignee: Category: Target version: … --- ## [\[Ruby 1.9 - Bug #5175\]\[Open\] Ruby1.9.2p290 MySQLアクセスエラー](https://www.ruby-forum.com/t/ruby-1-9-bug-5175-open-ruby1-9-2p290-mysql/210468)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 4\ **Last updated:** [November 6, 2012, 11:55am UTC](https://www.ruby-forum.com/t/ruby-1-9-bug-5175-open-ruby1-9-2p290-mysql/210468 "2012-11-06T11:55:51Z")
Issue #5175 has been reported by eiichi maekawa. Bug #5175: Ruby1.9.2p290 MySQLアクセスエラー Author: eiichi maekawa Status: Open Priority: Normal Assignee: Category: Target version: ruby -v: ruby 1.9.2p290 (2011-07-0… --- ## [Nginx does not Cache Google Adsense and Some other widgets - help](https://www.ruby-forum.com/t/nginx-does-not-cache-google-adsense-and-some-other-widgets-help/212506)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 4\ **Last updated:** [October 6, 2011, 4:10pm UTC](https://www.ruby-forum.com/t/nginx-does-not-cache-google-adsense-and-some-other-widgets-help/212506 "2011-10-06T16:10:25Z")
Nginx 1.0.x I have set up my cache like this: proxy\_cache\_key $host$uri$is\_args$args; proxy\_cache\_methods POST; proxy\_cache STATIC; proxy\_cache\_valid 200 1d; proxy\_cache\_use\_stale error timeout in… --- ## [Undefined method \`symbol\_path'](https://www.ruby-forum.com/t/undefined-method-symbol-path/162344)
**Author:** [@neubyr](https://www.ruby-forum.com/u/neubyr)\ **Replies:** 4\ **Last updated:** [March 9, 2009, 3:23pm UTC](https://www.ruby-forum.com/t/undefined-method-symbol-path/162344 "2009-03-09T15:23:07Z")
I am getting following error while creating a new topic using RESTful design. But, everything works fine when I use \<% form\_tag :action =\> :create do %\> . ActionView::TemplateError (undefined method \`symbol\_path’ for … --- ## [Google analytics as extension](https://www.ruby-forum.com/t/google-analytics-as-extension/149871)
**Author:** [@jjkooij](https://www.ruby-forum.com/u/jjkooij)\ **Replies:** 4\ **Last updated:** [October 1, 2008, 8:12am UTC](https://www.ruby-forum.com/t/google-analytics-as-extension/149871 "2008-10-01T08:12:16Z")
Google analytics, next to page tracking etc, has the option for tracking outbound links. It’s a very handy feature to use rather than another tracking software. A simple implementation of it is simple by changing a: … --- ## [Haml and textareas in custom extension](https://www.ruby-forum.com/t/haml-and-textareas-in-custom-extension/142931)
**Author:** [@gert](https://www.ruby-forum.com/u/gert)\ **Replies:** 4\ **Last updated:** [July 15, 2008, 12:47pm UTC](https://www.ruby-forum.com/t/haml-and-textareas-in-custom-extension/142931 "2008-07-15T12:47:12Z")
Hi and first - thank you for making radiant, I’ve used many many cms’es and this is by far the best I have used yet! I have made a custom extension and created an admin area for the models where I have a problem with … --- ## [Testing helper/view methods from script/console](https://www.ruby-forum.com/t/testing-helper-view-methods-from-script-console/127993)
**Author:** [@galeal](https://www.ruby-forum.com/u/galeal)\ **Replies:** 4\ **Last updated:** [February 4, 2008, 1:37am UTC](https://www.ruby-forum.com/t/testing-helper-view-methods-from-script-console/127993 "2008-02-04T01:37:56Z")
Hi, Is it possible to test helper/view methods from script/console. I want to test the output of methods like distance\_of\_time\_in\_words. But it won’t let me from the console. What am I missing? TIA Luke --- ## [Page\_attachments does not save anything](https://www.ruby-forum.com/t/page-attachments-does-not-save-anything/122396)
**Author:** [@Ulf\_Moehring](https://www.ruby-forum.com/u/Ulf_Moehring)\ **Replies:** 4\ **Last updated:** [December 7, 2007, 8:57pm UTC](https://www.ruby-forum.com/t/page-attachments-does-not-save-anything/122396 "2007-12-07T20:57:21Z")
Hi all, I just installed the page\_attachments extension according to the instructions on the wiki page. Everything seems to work on the UI side since the attachment menu shows up and I can upload files. It seems, how… --- ## [DECT anyone?](https://www.ruby-forum.com/t/dect-anyone/119876)
**Author:** [@alexanderl](https://www.ruby-forum.com/u/alexanderl)\ **Replies:** 4\ **Last updated:** [December 2, 2007, 9:04pm UTC](https://www.ruby-forum.com/t/dect-anyone/119876 "2007-12-02T21:04:59Z")
Hello, I’m currently investigating the possibilities to do DECT with GNU Radio. I currently have a USRP1 with BasicRX/TX. If possible, I’d like to avoid buying the RFX1800 because of budget reasons (I’m a student righ… --- ## [Problems with acts\_as\_ferret](https://www.ruby-forum.com/t/problems-with-acts-as-ferret/108433)
**Author:** [@William\_Monk](https://www.ruby-forum.com/u/William_Monk)\ **Replies:** 4\ **Last updated:** [July 4, 2007, 1:23am UTC](https://www.ruby-forum.com/t/problems-with-acts-as-ferret/108433 "2007-07-04T01:23:01Z")
Hi, I have i am trying to add a search feature to a ruby on rails blog, so ive decided to use ferret. So far i have had quite a few problems with it, from following a few tutorials i didnt really understand… i am at … --- ## [\[Emploi\] Développeur RoR full-stack Paris](https://www.ruby-forum.com/t/emploi-developpeur-ror-full-stack-paris/233485)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [December 17, 2014, 2:38pm UTC](https://www.ruby-forum.com/t/emploi-developpeur-ror-full-stack-paris/233485 "2014-12-17T14:38:04Z")
Bonjour, Dans le cadre du lancement de la start-up d’un client, je recherche un développeur RoR full-stack pour un poste en CDI basé sur Paris. Je recherche quelqu’un connaissant : Ruby / RoR 4.x la méthode scrum/ag… --- ## [Unknown database error](https://www.ruby-forum.com/t/unknown-database-error/218284)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 0\ **Last updated:** [March 27, 2012, 10:22am UTC](https://www.ruby-forum.com/t/unknown-database-error/218284 "2012-03-27T10:22:46Z")
hi people i was wondering if you could help me i must setup or should i say design an unknow database error on SQL server management studio express how do i go about doing this ,this is my first time doing this and i … --- ## [Rannotate v2 - Annotated Rails API documentation with search](https://www.ruby-forum.com/t/rannotate-v2-annotated-rails-api-documentation-with-search/48153)
**Author:** [@conor.huntSrails](https://www.ruby-forum.com/u/conor.huntSrails)\ **Replies:** 3\ **Last updated:** [August 27, 2006, 1:57pm UTC](https://www.ruby-forum.com/t/rannotate-v2-annotated-rails-api-documentation-with-search/48153 "2006-08-27T13:57:38Z")
I’ve been working hard to improve the Rails API documentation and I’d like to announce the release of version 2 of Rannotate.My goal is to emulate (and improve upon) the PHP style online documentation at www.php.net. … --- ## [Edge version: 'stack level too deep' Error?](https://www.ruby-forum.com/t/edge-version-stack-level-too-deep-error/98838)
**Author:** [@wybo](https://www.ruby-forum.com/u/wybo)\ **Replies:** 3\ **Last updated:** [February 3, 2006, 12:16am UTC](https://www.ruby-forum.com/t/edge-version-stack-level-too-deep-error/98838 "2006-02-03T00:16:13Z")
Using the login\_engine and the user\_engine with the Rails edge version and with the edge version of the engines plugin I get the following error: SystemStackError in # stack level too deep and then the trace: ./scr… --- ## [List of drives?](https://www.ruby-forum.com/t/list-of-drives/52906)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 3\ **Last updated:** [January 23, 2006, 5:19pm UTC](https://www.ruby-forum.com/t/list-of-drives/52906 "2006-01-23T17:19:05Z")
Is there a way in ruby with out extra libraries to get a list of drives? hard drives, dvd drives, network drives, …? Becker --- ## [Netbeans e RoR](https://www.ruby-forum.com/t/netbeans-e-ror/215080)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 7\ **Last updated:** [December 21, 2011, 4:50pm UTC](https://www.ruby-forum.com/t/netbeans-e-ror/215080 "2011-12-21T16:50:34Z")
Salve ragazzi già ho scocciato qualche giorno fa e scoccio di nuovo ora… come dicevo anche nell’altro post ho netbeans 6.9.1 perchè è l’ultimo che supporta ruby… ma la versione della gem rails che ha è la 2.3.8 che s… --- ## [Webcrawler che utilizza un sacco di memoria](https://www.ruby-forum.com/t/webcrawler-che-utilizza-un-sacco-di-memoria/213966)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 7\ **Last updated:** [November 23, 2011, 9:42pm UTC](https://www.ruby-forum.com/t/webcrawler-che-utilizza-un-sacco-di-memoria/213966 "2011-11-23T21:42:27Z")
Ciao a tutti, ho fatto uno script in Ruby 1.8 che usa le gemme mechanize, nokogiri e open-uri e che gira sotto Linux. Lo script è un webcrawler che raccoglie un sacco di dati aziendali divisi in categorie. Il mio scr… --- ## [Variables, Arrays and Hashes](https://www.ruby-forum.com/t/variables-arrays-and-hashes/212326)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 7\ **Last updated:** [September 29, 2011, 10:16pm UTC](https://www.ruby-forum.com/t/variables-arrays-and-hashes/212326 "2011-09-29T22:16:03Z")
I’m trying to make a card game with Ruby. I created a hash of cards and numeric values which works fine on its own: example: deck = Hash.new deck\[“Ah”\] = 1 deck\[“1h”\] = 1 deck\[“2h”\] = 2 deck\[“3h”\] = 3 deck\[“4h”\] … --- ## [Configuration to set username optional during signup](https://www.ruby-forum.com/t/configuration-to-set-username-optional-during-signup/193176)
**Author:** [@madhu](https://www.ruby-forum.com/u/madhu)\ **Replies:** 7\ **Last updated:** [August 13, 2010, 4:20pm UTC](https://www.ruby-forum.com/t/configuration-to-set-username-optional-during-signup/193176 "2010-08-13T16:20:18Z")
Hello, I am quite new to rails and I am implementing authlogic as authentication system in my first project. I want to have username optional during signup, is there any configuration options to set this? I just w… --- ## [What is the RoR Way for this "find"?](https://www.ruby-forum.com/t/what-is-the-ror-way-for-this-find/145695)
**Author:** [@newrubygirl](https://www.ruby-forum.com/u/newrubygirl)\ **Replies:** 7\ **Last updated:** [August 13, 2008, 3:26am UTC](https://www.ruby-forum.com/t/what-is-the-ror-way-for-this-find/145695 "2008-08-13T03:26:31Z")
I have 2 tables that currently are not joined with a has\_many or other relationship. Table 1 has a list of records that are either active or not. Table 2 has the related records with additional data. I need to check… --- ## [Cosa sono le variabili virtuali?](https://www.ruby-forum.com/t/cosa-sono-le-variabili-virtuali/134444)
**Author:** [@matte\_S](https://www.ruby-forum.com/u/matte_S)\ **Replies:** 7\ **Last updated:** [April 11, 2008, 11:13am UTC](https://www.ruby-forum.com/t/cosa-sono-le-variabili-virtuali/134444 "2008-04-11T11:13:16Z")
\-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Come da oggetto, vorrei capire bene il significato di variabile virtuale… ad esempio def variabile @variabile end Vi ringrazio. Matteo Buferli WEB: http://www.bufer… --- ## [My argument constraints are not working](https://www.ruby-forum.com/t/my-argument-constraints-are-not-working/133318)
**Author:** [@david](https://www.ruby-forum.com/u/david)\ **Replies:** 7\ **Last updated:** [March 31, 2008, 5:38am UTC](https://www.ruby-forum.com/t/my-argument-constraints-are-not-working/133318 "2008-03-31T05:38:28Z")
describe “pretending to crawl craigslist.” do before do @html\_start = File.read( RAILS\_ROOT + “/spec/fixtures/feeds/ start\_page.html” ) @response\_start = mock\_model( Net::HTTP, :body =\> @html\_start, :nil? =\> false ) … --- ## [A Few Modest Proposals](https://www.ruby-forum.com/t/a-few-modest-proposals/124741)
**Author:** [@smc7000](https://www.ruby-forum.com/u/smc7000)\ **Replies:** 7\ **Last updated:** [January 28, 2008, 4:55pm UTC](https://www.ruby-forum.com/t/a-few-modest-proposals/124741 "2008-01-28T16:55:05Z")
Happy New Year, Radianteers! Apologies to those who get the allegory in the subject – no cannibalism today. What I’d like to do is get some feedback from the community about a few ideas I’ve had swimming in my head f… --- ## [Efficient access to a large int32 array](https://www.ruby-forum.com/t/efficient-access-to-a-large-int32-array/81957)
**Author:** [@Martin\_DeMello](https://www.ruby-forum.com/u/Martin_DeMello)\ **Replies:** 7\ **Last updated:** [January 16, 2007, 4:22pm UTC](https://www.ruby-forum.com/t/efficient-access-to-a-large-int32-array/81957 "2007-01-16T16:22:19Z")
I have a file that is a dump of a large array of 32-bit unsigned ints (bitvectors actually). All I need is to load this into memory and have fast, efficient access to the array members, and a few bitmasking operations… --- ## [Understanding "cross-thread violation on rb\_gc()"](https://www.ruby-forum.com/t/understanding-cross-thread-violation-on-rb-gc/57912)
**Author:** [@Suraj\_NSKurapati](https://www.ruby-forum.com/u/Suraj_NSKurapati)\ **Replies:** 7\ **Last updated:** [April 17, 2006, 2:28am UTC](https://www.ruby-forum.com/t/understanding-cross-thread-violation-on-rb-gc/57912 "2006-04-17T02:28:17Z")
\-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, After some deep thought, I think I finally understand what the error message “\[BUG\] cross-thread violation on rb\_gc()” means. I will present my understanding here… --- ## [Progress bar](https://www.ruby-forum.com/t/progress-bar/158636)
**Author:** [@anubhaw](https://www.ruby-forum.com/u/anubhaw)\ **Replies:** 6\ **Last updated:** [December 12, 2013, 10:10am UTC](https://www.ruby-forum.com/t/progress-bar/158636 "2013-12-12T10:10:26Z")
Hi i am trying to get progress bar for uploading files. I used lots of plugin to do the same.But it doesnot work on version2.1.0 on which i am working. If anyone has implemented progress bar please share the informati… --- ## [Gnuradio3.7 make error](https://www.ruby-forum.com/t/gnuradio3-7-make-error/236006)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 6\ **Last updated:** [July 30, 2013, 11:49pm UTC](https://www.ruby-forum.com/t/gnuradio3-7-make-error/236006 "2013-07-30T23:49:46Z")
Hi, I’m using Ubuntu 12.04 and libboost1.46. I got the following errors when I make the project. \[ 85%\] Building CXX object gr-uhd/examples/c++/CMakeFiles/tags\_demo.dir/tags\_demo.cc.o Linking CXX executable tags\_dem… [Previous page](https://www.ruby-forum.com/top.md?page=781&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=783&per_page=50)