# Top **URL:** https://www.ruby-forum.com/top.md?page=1724 [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:** 1725 --- ## [Utilizar validaciones solo para ciertas a cciones ¿es posible?](https://www.ruby-forum.com/t/utilizar-validaciones-solo-para-ciertas-a-cciones-a-es-posible/127945)
**Author:** [@miguel](https://www.ruby-forum.com/u/miguel)\ **Replies:** 2\ **Last updated:** [February 3, 2008, 11:24am UTC](https://www.ruby-forum.com/t/utilizar-validaciones-solo-para-ciertas-a-cciones-a-es-posible/127945 "2008-02-03T11:24:07Z")
Hola , pues eso… queria saber si es posible utilizar validaciones para ciertas acciones de mi controller se que existe el validate\_precesnce\_of :clave, :on=\>:create pero queria saber si existe algo como :on=\>:mi\_accio… --- ## [NoMethodError in Messages and rescue\_from](https://www.ruby-forum.com/t/nomethoderror-in-messages-and-rescue-from/124155)
**Author:** [@jawosis](https://www.ruby-forum.com/u/jawosis)\ **Replies:** 2\ **Last updated:** [December 25, 2007, 8:38pm UTC](https://www.ruby-forum.com/t/nomethoderror-in-messages-and-rescue-from/124155 "2007-12-25T20:38:59Z")
I’am not able to catch ActionController::NoMethodError so I can display a own error message site. Can someone give me a peace of code to check it? How do you catch such errors and ActiveRecord:… error to display a ow… --- ## [Acts\_as\_ferret en Dreamhost?](https://www.ruby-forum.com/t/acts-as-ferret-en-dreamhost/119294)
**Author:** [@Jaime\_I](https://www.ruby-forum.com/u/Jaime_I)\ **Replies:** 2\ **Last updated:** [November 5, 2007, 10:08pm UTC](https://www.ruby-forum.com/t/acts-as-ferret-en-dreamhost/119294 "2007-11-05T22:08:20Z")
¿Alguien ha probado el plugin acts\_as\_ferret en el hosting compartido de Dreamhost? En localhost me va estupendilix pero en DH casca, claro… ¿Alguien tiene experiencia con este tema? Allí tienen la gema ferret instala… --- ## [Problems building from source](https://www.ruby-forum.com/t/problems-building-from-source/116462)
**Author:** [@lennylmiller](https://www.ruby-forum.com/u/lennylmiller)\ **Replies:** 2\ **Last updated:** [October 5, 2007, 9:02pm UTC](https://www.ruby-forum.com/t/problems-building-from-source/116462 "2007-10-05T21:02:34Z")
Does anyone have any clues as to what this may be? This is with a fresh checkout of the JRuby trunk. ant jar-complete Buildfile: build.xml init: prepare: compile.tasks: \[copy\] Copying 1 file to /Users/Shared/jru… --- ## [Second ajax request getting locked](https://www.ruby-forum.com/t/second-ajax-request-getting-locked/115458)
**Author:** [@shishir\_s](https://www.ruby-forum.com/u/shishir_s)\ **Replies:** 2\ **Last updated:** [September 26, 2007, 8:12am UTC](https://www.ruby-forum.com/t/second-ajax-request-getting-locked/115458 "2007-09-26T08:12:55Z")
Hi, I have a page which sends two different ajax request to the controller one after the other. However, the second request doesn’t gets processed unless the controller finishes with the first request, i.e. to say th… --- ## [Ruport Book Roundtable Discussion, 2007.07.16](https://www.ruby-forum.com/t/ruport-book-roundtable-discussion-2007-07-16/109120)
**Author:** [@naething](https://www.ruby-forum.com/u/naething)\ **Replies:** 2\ **Last updated:** [September 25, 2007, 11:03pm UTC](https://www.ruby-forum.com/t/ruport-book-roundtable-discussion-2007-07-16/109120 "2007-09-25T23:03:53Z")
Keeping with the notion of ‘incredibly open’ development of the Ruport Book\[0\], we’re planning an IRC meeting for next Monday evening, 9pm EDT. Mike and I will both be present and anyone who’s been tracking our progr… --- ## [Inicialización de aplicaciones](https://www.ruby-forum.com/t/inicializacia-n-de-aplicaciones/115252)
**Author:** [@rpcolom](https://www.ruby-forum.com/u/rpcolom)\ **Replies:** 2\ **Last updated:** [September 22, 2007, 3:16pm UTC](https://www.ruby-forum.com/t/inicializacia-n-de-aplicaciones/115252 "2007-09-22T15:16:14Z")
Hola a todos. Quería saber cual es el mecanismo de Rails para la inicialización de aplicaciones (cargar valores iniciales al arrancar la aplicación). ¿Existe un método init o similar que se llame automáticamente … --- ## [Render partial from Backgroundrb worker?](https://www.ruby-forum.com/t/render-partial-from-backgroundrb-worker/112827)
**Author:** [@giantcranes](https://www.ruby-forum.com/u/giantcranes)\ **Replies:** 2\ **Last updated:** [August 24, 2007, 2:05am UTC](https://www.ruby-forum.com/t/render-partial-from-backgroundrb-worker/112827 "2007-08-24T02:05:22Z")
Hi, I have a long running task which generates JavaScript to files and I am hoping to move this to a backgroundrb worker. The javascript is currently generated with call to render\_to\_string: File.open(File.join(targe… --- ## [0..$1=0 dumps core](https://www.ruby-forum.com/t/0-1-0-dumps-core/108431)
**Author:** [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\ **Replies:** 2\ **Last updated:** [July 7, 2007, 9:30am UTC](https://www.ruby-forum.com/t/0-1-0-dumps-core/108431 "2007-07-07T09:30:18Z")
e$B1sF#$H?=$7$^$9!#e(B 1.9 e$B$G0J2\<$N$h$&$K$9$k$HMn$A$^$9!#e(B $ ./ruby -e ‘0…$1=0’ Can’t set variable $1 – control frame ---------- c:0001 p:---- s:0001 b:-001 l:000000 d:000000 ------ – backtrace of native functi… --- ## [Restricting a FIND based on the results of another](https://www.ruby-forum.com/t/restricting-a-find-based-on-the-results-of-another/107970)
**Author:** [@rjsquire](https://www.ruby-forum.com/u/rjsquire)\ **Replies:** 2\ **Last updated:** [June 28, 2007, 3:37am UTC](https://www.ruby-forum.com/t/restricting-a-find-based-on-the-results-of-another/107970 "2007-06-28T03:37:22Z")
If anyone could help me figure this out, I’d appreciate it alot. I’m playing around with the Scriptaculous autocomplete function, which per the demonstration on their page looks like this in the controller: def auto\_c… --- ## [Parentesi quadre nella console ruby on rails](https://www.ruby-forum.com/t/parentesi-quadre-nella-console-ruby-on-rails/105487)
**Author:** [@magnus](https://www.ruby-forum.com/u/magnus)\ **Replies:** 2\ **Last updated:** [June 13, 2007, 4:11pm UTC](https://www.ruby-forum.com/t/parentesi-quadre-nella-console-ruby-on-rails/105487 "2007-06-13T16:11:18Z")
Ciao ragazzi. Ho installato instantrails su windows ed avviato ruby script/console da prompt ( \>\> ) vorrei scrivere \[ Come posso fare? Con Alt Gr + è non mi scrive la parentesi quadra e tra l’altro in console non r… --- ## [Alguien va al RailsConf?](https://www.ruby-forum.com/t/alguien-va-al-railsconf/91814)
**Author:** [@sbayona](https://www.ruby-forum.com/u/sbayona)\ **Replies:** 2\ **Last updated:** [April 13, 2007, 2:40pm UTC](https://www.ruby-forum.com/t/alguien-va-al-railsconf/91814 "2007-04-13T14:40:27Z")
Hola, Si alguno de ustedes en el Rails-ES forum va para el Railsconf 2007 en Portland, me gustaría saber para poder encontrarnos. Mi correo es sergio arroba spacedoghouse punto com. Gracias, Sergio --- ## [Periods in :id causing Apache routing error](https://www.ruby-forum.com/t/periods-in-id-causing-apache-routing-error/91850)
**Author:** [@ianzabel](https://www.ruby-forum.com/u/ianzabel)\ **Replies:** 2\ **Last updated:** [April 12, 2007, 11:53pm UTC](https://www.ruby-forum.com/t/periods-in-id-causing-apache-routing-error/91850 "2007-04-12T23:53:18Z")
Using Rails 1.2 and FastCGI on Apache 1.3. I’m trying to figure out why a request like this isn’t making it into my Rails app: http://www.domain.com/users/show/a.b.c The user id is “a.b.c”, and because of the periods … --- ## [Using the external pins](https://www.ruby-forum.com/t/using-the-external-pins/91208)
**Author:** [@bellzii](https://www.ruby-forum.com/u/bellzii)\ **Replies:** 2\ **Last updated:** [April 6, 2007, 3:37pm UTC](https://www.ruby-forum.com/t/using-the-external-pins/91208 "2007-04-06T15:37:43Z")
Hey everyone , I was thinking of of giving my USRP data from an external source, Can that be done using the external pins on the daughter board(RFX2400)? Will I have to reprogram the verilog code and if so which file… --- ## [Usrp\_std](https://www.ruby-forum.com/t/usrp-std/90967)
**Author:** [@Kuntal\_M](https://www.ruby-forum.com/u/Kuntal_M)\ **Replies:** 2\ **Last updated:** [April 4, 2007, 10:44am UTC](https://www.ruby-forum.com/t/usrp-std/90967 "2007-04-04T10:44:52Z")
Hello, Is there any relevant documentation on the sample program usrp\_std…I mean, any comments or related regarding the codes and what they exactly do? Thanks a lot. Regards, Kuntal --- ## [Method to display the result of find (..) in a view](https://www.ruby-forum.com/t/method-to-display-the-result-of-find-in-a-view/89728)
**Author:** [@jubei](https://www.ruby-forum.com/u/jubei)\ **Replies:** 2\ **Last updated:** [March 22, 2007, 11:03am UTC](https://www.ruby-forum.com/t/method-to-display-the-result-of-find-in-a-view/89728 "2007-03-22T11:03:45Z")
I’ve been trying to write a method that effectively displays the result of a find() for say… my Customer model. What i’ve come up with is this: The controller My main controller first makes the query via the model c… --- ## [Require\_gem is obsolete error](https://www.ruby-forum.com/t/require-gem-is-obsolete-error/88991)
**Author:** [@macfizz](https://www.ruby-forum.com/u/macfizz)\ **Replies:** 2\ **Last updated:** [March 17, 2007, 8:03am UTC](https://www.ruby-forum.com/t/require-gem-is-obsolete-error/88991 "2007-03-17T08:03:34Z")
Hi all, I upgraded my gem, ruby and rails installations yesterday. The versions are now respectively. Now, when I run the server I see this warning message: “/usr/local/bin/rake:17:Warning: require\_gem is obsolete. … --- ## [Problems with destroy and relationships](https://www.ruby-forum.com/t/problems-with-destroy-and-relationships/87870)
**Author:** [@Clever\_N](https://www.ruby-forum.com/u/Clever_N)\ **Replies:** 2\ **Last updated:** [March 7, 2007, 1:11am UTC](https://www.ruby-forum.com/t/problems-with-destroy-and-relationships/87870 "2007-03-07T01:11:55Z")
Hi all, I am running into problems with my model relationships and destroying them. In particular: class Campaign \< ActiveRecord::Base has\_and\_belongs\_to\_many :tags has\_and\_belongs\_to\_many :geographies end class … --- ## [Error connecting to Oracle 10g w/ ActiveRecord](https://www.ruby-forum.com/t/error-connecting-to-oracle-10g-w-activerecord/87785)
**Author:** [@dfg59](https://www.ruby-forum.com/u/dfg59)\ **Replies:** 2\ **Last updated:** [March 6, 2007, 3:17pm UTC](https://www.ruby-forum.com/t/error-connecting-to-oracle-10g-w-activerecord/87785 "2007-03-06T15:17:57Z")
All - I’m attempting to connect to an Oracle 10g DB with ActiveRecord. The code is working fine on a different machine, so I’m assuming I’ve somehow installed oci (although this machine is on an office internal netwo… --- ## [Datos a guardar para el control de accesos](https://www.ruby-forum.com/t/datos-a-guardar-para-el-control-de-accesos/86520)
**Author:** [@alarkspur](https://www.ruby-forum.com/u/alarkspur)\ **Replies:** 2\ **Last updated:** [February 24, 2007, 12:49pm UTC](https://www.ruby-forum.com/t/datos-a-guardar-para-el-control-de-accesos/86520 "2007-02-24T12:49:13Z")
Buenas, la pregunta no tiene mucho que ver con rails pero como si lo implementare en rails para mi “cutre blog” os lo pregunto para conocer vuestra opinión. Cuando un usuario accede a un sitio restringido (un panel d… --- ## [Cannot see webpage, only display directories (webrick)](https://www.ruby-forum.com/t/cannot-see-webpage-only-display-directories-webrick/84793)
**Author:** [@yan](https://www.ruby-forum.com/u/yan)\ **Replies:** 2\ **Last updated:** [February 7, 2007, 11:55pm UTC](https://www.ruby-forum.com/t/cannot-see-webpage-only-display-directories-webrick/84793 "2007-02-07T23:55:30Z")
I think I almost got it. But other than see the default welcome page in the public folder I cannot see other pages that I created using scaffold. When I type the application name that I created using “rails” command, … --- ## [Where to find RoR exceptions?](https://www.ruby-forum.com/t/where-to-find-ror-exceptions/70852)
**Author:** [@Zouplaz](https://www.ruby-forum.com/u/Zouplaz)\ **Replies:** 2\ **Last updated:** [October 4, 2006, 10:41am UTC](https://www.ruby-forum.com/t/where-to-find-ror-exceptions/70852 "2006-10-04T10:41:59Z")
Hello, where can I find a extensive list of the exceptions classes defined by Rails ? There’s nothing in the API doc Thanks by advance --- ## [Ruby Apps Databases](https://www.ruby-forum.com/t/ruby-apps-databases/69329)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 2\ **Last updated:** [September 20, 2006, 11:56am UTC](https://www.ruby-forum.com/t/ruby-apps-databases/69329 "2006-09-20T11:56:22Z")
hi there. Well i know that there is rubyforge and the RAA (and non ruby specific like sourceforge and so on …). But doesn anybody know of other app databases for ruby programs ? Are there others i should know of , be… --- ## [RE: Re: Weird error](https://www.ruby-forum.com/t/re-re-weird-error/94886)
**Author:** [@Ross\_D](https://www.ruby-forum.com/u/Ross_D)\ **Replies:** 2\ **Last updated:** [May 17, 2006, 6:22pm UTC](https://www.ruby-forum.com/t/re-re-weird-error/94886 "2006-05-17T18:22:18Z")
WOAH!!! hang one there a mo If this hasn’t been tried it could break Instant Rails Wouldn’t it be better to remove the tab character from the source? --- ## [Gateway still down?](https://www.ruby-forum.com/t/gateway-still-down/93976)
**Author:** [@Bil\_K](https://www.ruby-forum.com/u/Bil_K)\ **Replies:** 2\ **Last updated:** [April 21, 2006, 8:23am UTC](https://www.ruby-forum.com/t/gateway-still-down/93976 "2006-04-21T08:23:01Z")
The news:comp.lang.org \<-\> ruby-talk gateway doesn’t seem to be working. Is someone working on it? \[This message sent via ruby-talk; I’ll send another from comp.lang.ruby\] Regards, --- ## [How can I stop WEBrick running as a daemon](https://www.ruby-forum.com/t/how-can-i-stop-webrick-running-as-a-daemon/74449)
**Author:** [@ssk](https://www.ruby-forum.com/u/ssk)\ **Replies:** 2\ **Last updated:** [December 23, 2005, 9:45am UTC](https://www.ruby-forum.com/t/how-can-i-stop-webrick-running-as-a-daemon/74449 "2005-12-23T09:45:17Z")
Hello! I’m a newbie linux user and I logged in to my web hosting server and tested rails. I ran ‘ruby script/server -d’ (-d means to run as daemon). Now I don’t know how to stop it. I don’t have the root’s power. T… --- ## [Restful interfaces and preserving PATH\_INFO in custom dispat](https://www.ruby-forum.com/t/restful-interfaces-and-preserving-path-info-in-custom-dispat/52074)
**Author:** [@ara.t.howard](https://www.ruby-forum.com/u/ara.t.howard)\ **Replies:** 2\ **Last updated:** [December 4, 2005, 11:48pm UTC](https://www.ruby-forum.com/t/restful-interfaces-and-preserving-path-info-in-custom-dispat/52074 "2005-12-04T23:48:32Z")
i’m working on a restful interface to existing models in an app. ideally i’d like to preserve the existing dispatch mechanism and support a parrallel one that looks like http://0.0.0.0/rest/mime/model/id to do this… --- ## [Complex Medical Application](https://www.ruby-forum.com/t/complex-medical-application/48692)
**Author:** [@twalters](https://www.ruby-forum.com/u/twalters)\ **Replies:** 2\ **Last updated:** [November 23, 2005, 4:54pm UTC](https://www.ruby-forum.com/t/complex-medical-application/48692 "2005-11-23T16:54:39Z")
Our company has a browser-based medical application. The user interface is a bit clunky/cumbersome, but the application itself is quite powerful. The application currently utlizes a Java/XML/XSL based server and ALL r… --- ## [Using Opal Ruby with Rails 7](https://www.ruby-forum.com/t/using-opal-ruby-with-rails-7/262402)
**Author:** [@AndyMaleh](https://www.ruby-forum.com/u/AndyMaleh)\ **Replies:** 0\ **Last updated:** [January 13, 2022, 1:36am UTC](https://www.ruby-forum.com/t/using-opal-ruby-with-rails-7/262402 "2022-01-13T01:36:20Z")
Opal enables writing web front-end code in Ruby, thus producing highly maintainable, productive, and understandable code on both the client-side and server-side. I present 3 different examples of using Opal Ruby on Rails… --- ## [Unbound message form add to rails for form message (append to listing)](https://www.ruby-forum.com/t/unbound-message-form-add-to-rails-for-form-message-append-to-listing/259519)
**Author:** [@merlin2049er](https://www.ruby-forum.com/u/merlin2049er)\ **Replies:** 0\ **Last updated:** [May 8, 2020, 4:45pm UTC](https://www.ruby-forum.com/t/unbound-message-form-add-to-rails-for-form-message-append-to-listing/259519 "2020-05-08T16:45:41Z")
I have a form for a troubleticket model, and I can create a new ticket with ease. But, I want my edit (update) crud function to work a bit differently. I don’t want them editing the original text, so I want to include … --- ## [Integration tests: 3 questions](https://www.ruby-forum.com/t/integration-tests-3-questions/166274)
**Author:** [@elle](https://www.ruby-forum.com/u/elle)\ **Replies:** 0\ **Last updated:** [April 23, 2009, 12:03pm UTC](https://www.ruby-forum.com/t/integration-tests-3-questions/166274 "2009-04-23T12:03:02Z")
Hello, I’m trying to write a couple of tests but keep getting errors or failures and I really think it is because I am making a mistake writing the test, rather than the actual app (just cause it works when I check i… --- ## [Execute external interactive command, get stdout and store stderr](https://www.ruby-forum.com/t/execute-external-interactive-command-get-stdout-and-store-stderr/251903)
**Author:** [@Remi1](https://www.ruby-forum.com/u/Remi1)\ **Replies:** 0\ **Last updated:** [February 15, 2019, 8:15am UTC](https://www.ruby-forum.com/t/execute-external-interactive-command-get-stdout-and-store-stderr/251903 "2019-02-15T08:15:40Z")
Hi I need to execute some commands and print stdout message, store stderr and raise(stderr) on any errors. System used: OpenBSD Commands used pkg\_delete ; pkg\_add Output is interactive, so it writes directly to tty, … --- ## [Would love thoughts/feedback on RoR article](https://www.ruby-forum.com/t/would-love-thoughts-feedback-on-ror-article/251753)
**Author:** [@NatePDThompson](https://www.ruby-forum.com/u/NatePDThompson)\ **Replies:** 0\ **Last updated:** [January 28, 2019, 7:59pm UTC](https://www.ruby-forum.com/t/would-love-thoughts-feedback-on-ror-article/251753 "2019-01-28T19:59:29Z")
Hey everyone, I recently wrote an article with a dev on our team on Rails. We used Rails + RefineryCMS + Snipcart e-com solution to make an online shop (we have the demo; the shop is very plain and was made for function… --- ## [Is there SMS-CB application software for OpenBTS? What SDR do you recommend?](https://www.ruby-forum.com/t/is-there-sms-cb-application-software-for-openbts-what-sdr-do-you-recommend/251658)
**Author:** [@angelojavier](https://www.ruby-forum.com/u/angelojavier)\ **Replies:** 0\ **Last updated:** [January 16, 2019, 2:55am UTC](https://www.ruby-forum.com/t/is-there-sms-cb-application-software-for-openbts-what-sdr-do-you-recommend/251658 "2019-01-16T02:55:00Z")
Is there SMS-CB application software for OpenBTS? What SDR do you recommend? --- ## [Loop Sum Need Help ASAP](https://www.ruby-forum.com/t/loop-sum-need-help-asap/249587)
**Author:** [@sdem9](https://www.ruby-forum.com/u/sdem9)\ **Replies:** 0\ **Last updated:** [October 23, 2018, 5:20pm UTC](https://www.ruby-forum.com/t/loop-sum-need-help-asap/249587 "2018-10-23T17:20:27Z")
So basically I have to make a “Menu” and it asks you to enter all the item you want until you enter “0”. When you enter ‘0’ it should give you a total amount you owe… I cant seem to get the sum of the orders… this is w… --- ## [Accessing fields from class](https://www.ruby-forum.com/t/accessing-fields-from-class/234417)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [March 3, 2015, 2:16pm UTC](https://www.ruby-forum.com/t/accessing-fields-from-class/234417 "2015-03-03T14:16:54Z")
Hello, what is the correct usage of field\_accessor and field\_reader? I am calling a java class in my project, that is originally written in Ruby and has been transferred using “jrubyc --javac myclass.rb”. In myclass.… --- ## [So why 3000?](https://www.ruby-forum.com/t/so-why-3000/232114)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 3\ **Last updated:** [September 18, 2014, 5:19pm UTC](https://www.ruby-forum.com/t/so-why-3000/232114 "2014-09-18T17:19:28Z")
Why does the rails server default to port 3000? --- ## [Rails 4 logging during development, surpress asset messages?](https://www.ruby-forum.com/t/rails-4-logging-during-development-surpress-asset-messages/237317)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 3\ **Last updated:** [November 6, 2013, 2:40pm UTC](https://www.ruby-forum.com/t/rails-4-logging-during-development-surpress-asset-messages/237317 "2013-11-06T14:40:46Z")
Is it possible to surpress all those asset related messages? I have a terminal open where I run ‘rails s’ and it gets hard to read. --- ## [New Features in 3.6.3](https://www.ruby-forum.com/t/new-features-in-3-6-3/229337)
**Author:** [@roytruelove](https://www.ruby-forum.com/u/roytruelove)\ **Replies:** 3\ **Last updated:** [January 14, 2013, 11:12pm UTC](https://www.ruby-forum.com/t/new-features-in-3-6-3/229337 "2013-01-14T23:12:37Z")
I am starting to play around with 3.6.3rc0 a little bit. I’m excited about the new message passing infrastructure and the Python-based signal processing blocks. In fact, I would really like to be able to create Pyth… --- ## [Nested models in a form](https://www.ruby-forum.com/t/nested-models-in-a-form/225532)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 3\ **Last updated:** [January 13, 2013, 10:16pm UTC](https://www.ruby-forum.com/t/nested-models-in-a-form/225532 "2013-01-13T22:16:30Z")
Hello, I’m trying to work with nested models in a form view and it’s not going so smoothly. A user has many lawyers and a lawyer can take many services. I want a checkbox on which the user can select the services of … --- ## [Ayuda por favor, Soy nuevo y No se que pasa con esto!](https://www.ruby-forum.com/t/ayuda-por-favor-soy-nuevo-y-no-se-que-pasa-con-esto/223723)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 0\ **Last updated:** [October 15, 2012, 5:54pm UTC](https://www.ruby-forum.com/t/ayuda-por-favor-soy-nuevo-y-no-se-que-pasa-con-esto/223723 "2012-10-15T17:54:58Z")
Buenas, Primero que nada un saludo para todos. tengo un formulario creado con un scaffolt. El temas es que cuando pongo una linea de codigo " validates\_presence\_of" me da el siguiente error cuando envio el formulario… --- ## [\[ruby-trunk - Bug #6900\]\[Open\] execinfo ライブラリ（およびそのヘッダ）の探索に --with-opt-dir の指定が利かない](https://www.ruby-forum.com/t/ruby-trunk-bug-6900-open-execinfo-with-opt-dir/222275)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 3\ **Last updated:** [October 2, 2012, 6:17am UTC](https://www.ruby-forum.com/t/ruby-trunk-bug-6900-open-execinfo-with-opt-dir/222275 "2012-10-02T06:17:54Z")
Issue #6900 has been reported by metanest (Makoto K.). Bug #6900: execinfo ライブラリ（およびそのヘッダ）の探索に --with-opt-dir の指定が利かない Author: metanest (Makoto K.) Status: Open Priority: Normal Assignee: Category: build Target … --- ## [Rails 3.0.7 and MySQL](https://www.ruby-forum.com/t/rails-3-0-7-and-mysql/208386)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [June 17, 2011, 9:48am UTC](https://www.ruby-forum.com/t/rails-3-0-7-and-mysql/208386 "2011-06-17T09:48:16Z")
I used to use Sqlite3 as my database now I changed to MySQL installed mysql2 v=0.2.10 and now my application doesn’t run. I get the exact same error as the one pasted here. http://pastebin.com/nzV1Rvv9 What can I d… --- ## ["gem NAME, VERSION" && "require NAME" fails due to version conflict](https://www.ruby-forum.com/t/gem-name-version-require-name-fails-due-to-version-conflict/203795)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [February 28, 2011, 11:49am UTC](https://www.ruby-forum.com/t/gem-name-version-require-name-fails-due-to-version-conflict/203795 "2011-02-28T11:49:57Z")
Hi, I must be missing something very obvious but I don’t get it. I just want to use nokogiri 1.4.3: ~# gem list | grep nokogiri nokogiri (1.4.4, 1.4.3) ~# irb irb\> gem “nokogiri”, “=1.4.3” true irb\> Nokogiri Name… --- ## [Proposal: String#interpolate for safe templating](https://www.ruby-forum.com/t/proposal-string-interpolate-for-safe-templating/202942)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [February 9, 2011, 8:26pm UTC](https://www.ruby-forum.com/t/proposal-string-interpolate-for-safe-templating/202942 "2011-02-09T20:26:03Z")
Hi, I’m curious if anyone has considered a method called interpolate: class String def interpolate(binding, filename, lineno) … magic … end end It would have a similar effect as %Q, but the input would already exi… --- ## [Rails fails with "\`require': no such file to load" after upgrade from 2.3.2 to 3.0.3 on OS X 10.6](https://www.ruby-forum.com/t/rails-fails-with-require-no-such-file-to-load-after-upgrade-from-2-3-2-to-3-0-3-on-os-x-10-6/202767)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [February 5, 2011, 5:29pm UTC](https://www.ruby-forum.com/t/rails-fails-with-require-no-such-file-to-load-after-upgrade-from-2-3-2-to-3-0-3-on-os-x-10-6/202767 "2011-02-05T17:29:56Z")
Hello I did a “sudo gem install -v=3.0.3 rails --include-dependencies”, and a unfreeze and then a “rake rails:freeze:gems”, but now then I try to start my server or even just run “ruby script/about” I get this error: … --- ## [:: -- operator or not?](https://www.ruby-forum.com/t/operator-or-not/201628)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [January 12, 2011, 3:58pm UTC](https://www.ruby-forum.com/t/operator-or-not/201628 "2011-01-12T15:58:54Z")
:: The Pickaxe book calls it scope resolution “operator”, whereas The Ruby Programming Language says it is not an operator because the righthand side is not a value or expression but an identifier (which I think I un… --- ## [Can use Rails 3 on Windows 7 or OS X Leopard?](https://www.ruby-forum.com/t/can-use-rails-3-on-windows-7-or-os-x-leopard/198429)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 3\ **Last updated:** [November 1, 2010, 7:40pm UTC](https://www.ruby-forum.com/t/can-use-rails-3-on-windows-7-or-os-x-leopard/198429 "2010-11-01T19:40:00Z")
So far the only platform I could use Ruby 1.9.2 with Rails 3.0.1 is on Mac Snow Leopard. Can they be used on Windows 7 or Mac Leopard? On Leopard whenever I install the gem of sqlite3-ruby or mysql2, it won’t build, … --- ## [Resyful authenticatio current\_user in model](https://www.ruby-forum.com/t/resyful-authenticatio-current-user-in-model/195068)
**Author:** [@miked](https://www.ruby-forum.com/u/miked)\ **Replies:** 3\ **Last updated:** [September 16, 2010, 9:05pm UTC](https://www.ruby-forum.com/t/resyful-authenticatio-current-user-in-model/195068 "2010-09-16T21:05:31Z")
Hi, I am using Restful authentication for user authentication. I want the current logged in user object in my model property.rb Problem is current\_user is not working on model. How can I fix this I need that? Please… --- ## [Super.inspect returning escaped control chars? Why?](https://www.ruby-forum.com/t/super-inspect-returning-escaped-control-chars-why/194733)
**Author:** [@mydarkpassenger](https://www.ruby-forum.com/u/mydarkpassenger)\ **Replies:** 3\ **Last updated:** [September 9, 2010, 7:24pm UTC](https://www.ruby-forum.com/t/super-inspect-returning-escaped-control-chars-why/194733 "2010-09-09T19:24:32Z")
Hello, I am new to Ruby please help… Two questions… I do not know why Contact#inspect returns an escaped string (e.g. \\n changed to \\n, etc.). Can someone help? I have a Classes Contact and Person… class Contact … [Previous page](https://www.ruby-forum.com/top.md?page=1723&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1725&per_page=50)