# Community

**URL:** https://www.ruby-forum.com/c/community/3.md?page=308

[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:** 309

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## [Recherche tuto sur l'upload de fichier](https://www.ruby-forum.com/t/recherche-tuto-sur-lupload-de-fichier/92901)

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**Author:** [@maitre](https://www.ruby-forum.com/u/maitre)\
**Replies:** 8\
**Last updated:** [May 14, 2007, 9:09am UTC](https://www.ruby-forum.com/t/recherche-tuto-sur-lupload-de-fichier/92901 "2007-05-14T09:09:56Z")

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Bonjour, quelqu’un aurais un petit tutoriels sur l’upload d’image et de sa manipulation dans un contrÃ´leur. je veux dire depuis le tag “file\_field” et puis comment rÃ©cuperer les infos: le lieux oÃ¹ se trouve l’ima…

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## [Array qui retourne "#"](https://www.ruby-forum.com/t/array-qui-retourne/104085)

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**Author:** [@alex](https://www.ruby-forum.com/u/alex)\
**Replies:** 0\
**Last updated:** [May 14, 2007, 7:41am UTC](https://www.ruby-forum.com/t/array-qui-retourne/104085 "2007-05-14T07:41:30Z")

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Bonjour, Je debute avec ruby et rails. j’ai une variable d’instance qui est un array je place dans celui ci le resultat d’un Find. tout ceci se passe dans un conroller Dans ma vue je realise un “each” afin de parcou…

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## [Problemas con librerias RMagick](https://www.ruby-forum.com/t/problemas-con-librerias-rmagick/104055)

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**Author:** [@skyploom](https://www.ruby-forum.com/u/skyploom)\
**Replies:** 0\
**Last updated:** [May 13, 2007, 7:48pm UTC](https://www.ruby-forum.com/t/problemas-con-librerias-rmagick/104055 "2007-05-13T19:48:45Z")

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Hola a todos. Veamos, estoy usando el plugin FileColum (rails/vendor/plugin/trunk) y queria implementar la opcion size o geometry de RMagick. cuando n el modelo pongo: class Usuario \< ActiveRecord::Base file\_column…

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## [CSS cross browser](https://www.ruby-forum.com/t/css-cross-browser/103922)

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**Author:** [@stb](https://www.ruby-forum.com/u/stb)\
**Replies:** 9\
**Last updated:** [May 13, 2007, 2:00am UTC](https://www.ruby-forum.com/t/css-cross-browser/103922 "2007-05-13T02:00:37Z")

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Ciao, sto sistemando i miei css e devo dire che non pensavo di trovare così tante difficoltà a fare un unico css compatibile con firefox e explorer. A volte mi ritrovo in situazioni deleterie dove prima di capire cos…

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## [Signature](https://www.ruby-forum.com/t/signature/104019)

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**Author:** [@llinklater](https://www.ruby-forum.com/u/llinklater)\
**Replies:** 0\
**Last updated:** [May 12, 2007, 11:57pm UTC](https://www.ruby-forum.com/t/signature/104019 "2007-05-12T23:57:56Z")

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How do I set my signature in here?

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## [Scope avec join sur une autre table](https://www.ruby-forum.com/t/scope-avec-join-sur-une-autre-table/104017)

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**Author:** [@vincenzo](https://www.ruby-forum.com/u/vincenzo)\
**Replies:** 0\
**Last updated:** [May 12, 2007, 10:53pm UTC](https://www.ruby-forum.com/t/scope-avec-join-sur-une-autre-table/104017 "2007-05-12T22:53:16Z")

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Bonjour, Je cherche Ã faire un truc relativement simple : validate\_uniqueness\_of :truc, :scope =\> company\_id Ceci sur une table disons table1 le problÃ¨me c’est que company\_id est une colonne de la table table3 et q…

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## [Problemas con link\_to\_remote (pero no con form\_remote\_tag)](https://www.ruby-forum.com/t/problemas-con-link-to-remote-pero-no-con-form-remote-tag/104000)

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**Author:** [@HSSSSctor](https://www.ruby-forum.com/u/HSSSSctor)\
**Replies:** 1\
**Last updated:** [May 12, 2007, 7:21pm UTC](https://www.ruby-forum.com/t/problemas-con-link-to-remote-pero-no-con-form-remote-tag/104000 "2007-05-12T19:21:56Z")

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Hola, A ver si podÃ©is decirme que he pasado por alto en: \<%= link\_to\_remote ‘pr’,:url=\>{:action=\>:click\_on\_hour,:id=\>task, :click=\>pos}%\> porque no llega a enviar ninguna peticiÃ³n (en development.log no aparece na…

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## [Averiguar login de usuario validado en Active Directory desd](https://www.ruby-forum.com/t/averiguar-login-de-usuario-validado-en-active-directory-desd/104002)

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**Author:** [@Fernando\_GonzSSSSle](https://www.ruby-forum.com/u/Fernando_GonzSSSSle)\
**Replies:** 0\
**Last updated:** [May 12, 2007, 7:01pm UTC](https://www.ruby-forum.com/t/averiguar-login-de-usuario-validado-en-active-directory-desd/104002 "2007-05-12T19:01:06Z")

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Mis aplicaciones se ejecutan principalmente en un entorno corporativo dentro de una estructura de dominio con Active Directory. Me gustarÃ­a saber si tenÃ©is algÃºn ejemplo de obtener el login del usuario que realiza …

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## [Â¿nombres dinÃ¡micos en variables de instancia?](https://www.ruby-forum.com/t/a-nombres-dina-micos-en-variables-de-instancia/103632)

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**Author:** [@HSSSSctor](https://www.ruby-forum.com/u/HSSSSctor)\
**Replies:** 6\
**Last updated:** [May 12, 2007, 5:18pm UTC](https://www.ruby-forum.com/t/a-nombres-dina-micos-en-variables-de-instancia/103632 "2007-05-12T17:18:16Z")

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Hola, Tengo un form\_tag con un nÃºmero variable de text\_areas: \<%@n\_q.times do |n|%\> \<%= text\_area ‘mtask’ + n.to\_s, ‘text’, :rows =\> 3, :cols =\> 60%\> \<%end%\> y en el controlador querrÃ­a hacer algo como: @n\_q.time…

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## [SOAP Timeout](https://www.ruby-forum.com/t/soap-timeout/103715)

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**Author:** [@esox\_ch](https://www.ruby-forum.com/u/esox_ch)\
**Replies:** 1\
**Last updated:** [May 11, 2007, 7:18pm UTC](https://www.ruby-forum.com/t/soap-timeout/103715 "2007-05-11T19:18:04Z")

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ciao a tutti sapete come si fa ad allungare il timeout di una richiesta SOAP? questo pseudocodice magari vi da un idea di cosa sto facendo jeko --------8\<------------8\<------------8\<---------- require ‘soap/wsdlDriv…

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## [Paso de parÃ¡metros a mÃ©todo a before \_filter](https://www.ruby-forum.com/t/paso-de-para-metros-a-ma-todo-a-before-filter/103601)

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**Author:** [@vilec](https://www.ruby-forum.com/u/vilec)\
**Replies:** 2\
**Last updated:** [May 11, 2007, 8:11am UTC](https://www.ruby-forum.com/t/paso-de-para-metros-a-ma-todo-a-before-filter/103601 "2007-05-11T08:11:27Z")

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Buenas. No sÃ© si se podrÃ¡ hacer Ã©sto, pero ahÃ­ va… Quiero tener controladores que sean accesibles sÃ³lo para usuarios con roles concretos. Ahora tengo la cosa asÃ­: def es\_super\_usuario? logged\_in? && authoriz…

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## ["John Smith" spamming and hijacking threads](https://www.ruby-forum.com/t/john-smith-spamming-and-hijacking-threads/103826)

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**Author:** [@Gene](https://www.ruby-forum.com/u/Gene)\
**Replies:** 2\
**Last updated:** [May 11, 2007, 12:40am UTC](https://www.ruby-forum.com/t/john-smith-spamming-and-hijacking-threads/103826 "2007-05-11T00:40:39Z")

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This dude is screwing up viewing rubytalk and RORtalk in Google groups. Can you block/suspend this idiot.

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## [Ãºltimo elemento array](https://www.ruby-forum.com/t/a-ltimo-elemento-array/103821)

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**Author:** [@Miguel\_Angel\_Callej](https://www.ruby-forum.com/u/Miguel_Angel_Callej)\
**Replies:** 2\
**Last updated:** [May 10, 2007, 6:23pm UTC](https://www.ruby-forum.com/t/a-ltimo-elemento-array/103821 "2007-05-10T18:23:00Z")

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He leido que es con el método last @pagina=Pagina.find(:all) \<%for pag in @paginas%\> \<%if pag.last%\> … \<%end%\> \<%end%\> Está ma, no reconoce el método o lo estoy haciendo mall, cómo puedo saber el último elemento?…

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## [Manejo de Default Values en Active Record](https://www.ruby-forum.com/t/manejo-de-default-values-en-active-record/103763)

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**Author:** [@moctan](https://www.ruby-forum.com/u/moctan)\
**Replies:** 5\
**Last updated:** [May 10, 2007, 5:00pm UTC](https://www.ruby-forum.com/t/manejo-de-default-values-en-active-record/103763 "2007-05-10T17:00:41Z")

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Los Default Values del objeto Active Record, los debo manejar en el callback after\_initialize ? : class Producto \< ActiveRecord::Base protected def after\_initialize self.costo = 0.0 unless self.costo end end Enti…

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## [Urls con menÃº variable](https://www.ruby-forum.com/t/urls-con-mena-variable/103722)

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**Author:** [@Miguel\_Angel\_Callej](https://www.ruby-forum.com/u/Miguel_Angel_Callej)\
**Replies:** 9\
**Last updated:** [May 10, 2007, 4:56pm UTC](https://www.ruby-forum.com/t/urls-con-mena-variable/103722 "2007-05-10T16:56:33Z")

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Vereis tengo una dudaza mayúscula, Estoy haciendo un backend de administración donde el cliente puede crear nuevas secciones que las grabo como páginas. Mirando el árbol tendría una cosa así por ejemplo: Portada El …

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## [Chef de projet Web 2.0](https://www.ruby-forum.com/t/chef-de-projet-web-2-0/103802)

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**Author:** [@Blogmedia](https://www.ruby-forum.com/u/Blogmedia)\
**Replies:** 0\
**Last updated:** [May 10, 2007, 2:29pm UTC](https://www.ruby-forum.com/t/chef-de-projet-web-2-0/103802 "2007-05-10T14:29:30Z")

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Notre startup recherche son Architecte dâ€™application Web, Chef de projet, pour concevoir puis gÃ©rer lâ€™Ã©volution de son site Web 2.0. Pour ce poste en CDI, basÃ© Ã Paris, vous attestez de Bac+5 et dâ€™une expÃ©r…

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## [Â¿recorrer una cadena carÃ¡cter a carÃ¡cter?(cad.each{|c|} :](https://www.ruby-forum.com/t/a-recorrer-una-cadena-cara-cter-a-cara-cter-cad-each-c/103758)

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**Author:** [@HSSSSctor](https://www.ruby-forum.com/u/HSSSSctor)\
**Replies:** 5\
**Last updated:** [May 10, 2007, 11:05am UTC](https://www.ruby-forum.com/t/a-recorrer-una-cadena-cara-cter-a-cara-cter-cad-each-c/103758 "2007-05-10T11:05:21Z")

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Con cadena.length.times{|n| cadena\[n\]} puedo recorrer carÃ¡cter a carÃ¡cter, aunque me devuelve su ascii en decimal. Â¿CÃ³mo lo puedo cambiar a string? Â¿No hay alguna forma mÃ¡s fÃ¡cil? Lo fÃ¡cil que serÃ­a .map Ã³…

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## [Saber la posiciÃ³n en un iterador](https://www.ruby-forum.com/t/saber-la-posicia-n-en-un-iterador/103599)

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**Author:** [@vilec](https://www.ruby-forum.com/u/vilec)\
**Replies:** 7\
**Last updated:** [May 9, 2007, 11:22pm UTC](https://www.ruby-forum.com/t/saber-la-posicia-n-en-un-iterador/103599 "2007-05-09T23:22:55Z")

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Buenas. A ver si se puede hacer Ã©sto: i = 0 for a in Menu.find :all if i%2 ==0 #hacer cosas else #hacer otras cosas end i+=1 end Pero sin usar i. Gracias

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## [Re: PHP on Rails?](https://www.ruby-forum.com/t/re-php-on-rails/103743)

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**Author:** [@manu\_drac](https://www.ruby-forum.com/u/manu_drac)\
**Replies:** 1\
**Last updated:** [May 9, 2007, 9:36pm UTC](https://www.ruby-forum.com/t/re-php-on-rails/103743 "2007-05-09T21:36:43Z")

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Es la pregunta que me hago desde que empecÃ© a aprender RoR. Cuando usar Rails y cuando PHP. QuizÃ¡s si planteasemos la pregunta para determinar los puntos dÃ©biles que vemos de RoR podriamos ver algÃºn otro caso. Si…

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## [Ordenar array asociativo](https://www.ruby-forum.com/t/ordenar-array-asociativo/103737)

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**Author:** [@pepe](https://www.ruby-forum.com/u/pepe)\
**Replies:** 6\
**Last updated:** [May 9, 2007, 9:12pm UTC](https://www.ruby-forum.com/t/ordenar-array-asociativo/103737 "2007-05-09T21:12:40Z")

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Hola a todos, tengo una pequeÃ±a duda que no consigo resolver y es como ordenar un array asociativo, por ejemplo: a = \[ \[pepe, 10\], \[jose, 5\], \[manolo, 23\] \] Necesito algun mÃ©todo para que devuelva el array ordenado…

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## [Super-Intelligent Ruby on Rails Developer - US Company](https://www.ruby-forum.com/t/super-intelligent-ruby-on-rails-developer-us-company/103734)

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**Author:** [@avity](https://www.ruby-forum.com/u/avity)\
**Replies:** 0\
**Last updated:** [May 9, 2007, 7:53pm UTC](https://www.ruby-forum.com/t/super-intelligent-ruby-on-rails-developer-us-company/103734 "2007-05-09T19:53:57Z")

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We are a rapidly growing American company with extensive staff in South America and Europe. We would like to retain three or more developers immediately to staff several projects of 3+ months. Ideally on these projec…

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## [Abrir programa externo a rails](https://www.ruby-forum.com/t/abrir-programa-externo-a-rails/103721)

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**Author:** [@lourdes](https://www.ruby-forum.com/u/lourdes)\
**Replies:** 1\
**Last updated:** [May 9, 2007, 6:40pm UTC](https://www.ruby-forum.com/t/abrir-programa-externo-a-rails/103721 "2007-05-09T18:40:58Z")

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Hola, buenas tardes. Es posible abrir una aplicaciÃ³n distinta a rails desde rails? En access lo hacÃ­a con un Shell asÃ­: programa = “c:\\mstsc.exe c:\\winplus.rdp” Call Shell(programa, vbMaximizedFocus) Es posible h…

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## [Validations: duda mostrando errores](https://www.ruby-forum.com/t/validations-duda-mostrando-errores/103707)

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**Author:** [@Miguel\_Angel\_Callej](https://www.ruby-forum.com/u/Miguel_Angel_Callej)\
**Replies:** 5\
**Last updated:** [May 9, 2007, 5:31pm UTC](https://www.ruby-forum.com/t/validations-duda-mostrando-errores/103707 "2007-05-09T17:31:52Z")

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He añadido unos validates a mi model. La cosa es que me salga el listado de errores en la vista cuando no se grabe, pero dependiendo de si uso en mi controaldor redirect\_to :action no me funciona, sólo me funciona con …

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## [PHP on Rails?](https://www.ruby-forum.com/t/php-on-rails/91092)

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**Author:** [@fernando](https://www.ruby-forum.com/u/fernando)\
**Replies:** 19\
**Last updated:** [May 9, 2007, 5:26pm UTC](https://www.ruby-forum.com/t/php-on-rails/91092 "2007-05-09T17:26:51Z")

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Hola amigos, Con este tÃ­tulo me gustarÃ­a abrir un debate acerca de las alternativas que tenemos cuando no podemos programar en Ruby on Rails, pero echamos de menos la metodologÃ­a de este. De paso me podÃ©is echa…

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## [Seleccion de campos no repetidos en auto\_complete](https://www.ruby-forum.com/t/seleccion-de-campos-no-repetidos-en-auto-complete/103703)

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**Author:** [@emili](https://www.ruby-forum.com/u/emili)\
**Replies:** 1\
**Last updated:** [May 9, 2007, 1:48pm UTC](https://www.ruby-forum.com/t/seleccion-de-campos-no-repetidos-en-auto-complete/103703 "2007-05-09T13:48:01Z")

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Me ha costado per he conseguido hacer funcionar el autocomplete tal que asÃ­ en la vista: \<%= text\_field\_with\_auto\_complete :vip, :poblacion, { :size =\> 25 }, :skip\_style =\> true -%\> en el contyrolador def auto\_com…

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## [Validates\_on\_create](https://www.ruby-forum.com/t/validates-on-create/103643)

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**Author:** [@tarini](https://www.ruby-forum.com/u/tarini)\
**Replies:** 4\
**Last updated:** [May 9, 2007, 8:49am UTC](https://www.ruby-forum.com/t/validates-on-create/103643 "2007-05-09T08:49:45Z")

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ragazzi perchè una funzione del genere mi da errore? def validate\_on\_create validates\_presence\_of(:password, :message =\> “cannot be blank”) end nel momento della creazione (il metodo viene chiamato) mi ritorna questo …

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## [Seguridad de Datos](https://www.ruby-forum.com/t/seguridad-de-datos/103521)

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**Author:** [@rogergue](https://www.ruby-forum.com/u/rogergue)\
**Replies:** 2\
**Last updated:** [May 9, 2007, 2:08am UTC](https://www.ruby-forum.com/t/seguridad-de-datos/103521 "2007-05-09T02:08:16Z")

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Hola todos: mi pregunta es la siguiente: estoy implementando un sistema contable y ahi voy aprendiendo ruby recien, y a como se manejan datos importantes es necesario q todos el manejo de los mismos sea de manera …

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## [Mongrel, apache, capistrano e poi di nuovo fcgi](https://www.ruby-forum.com/t/mongrel-apache-capistrano-e-poi-di-nuovo-fcgi/103525)

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**Author:** [@david](https://www.ruby-forum.com/u/david)\
**Replies:** 2\
**Last updated:** [May 9, 2007, 12:35am UTC](https://www.ruby-forum.com/t/mongrel-apache-capistrano-e-poi-di-nuovo-fcgi/103525 "2007-05-09T00:35:11Z")

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Ciao tutti, questa Ã¨ una domanda fastidiosa da porvi. La versione breve Ã¨: una volta configurato capistrano per usare un cluster di mongrel, come faccio a tornare indietro a usare dispatch.fcgi? Ho sviluppato un’a…

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## [Hpricot](https://www.ruby-forum.com/t/hpricot/103634)

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**Author:** [@Hector\_MuSSSSoz](https://www.ruby-forum.com/u/Hector_MuSSSSoz)\
**Replies:** 1\
**Last updated:** [May 9, 2007, 12:08am UTC](https://www.ruby-forum.com/t/hpricot/103634 "2007-05-09T00:08:09Z")

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Hola, hola!! Tengo un problema con hpricot. He descargado hpricot y se ha colocado en /usr/lib/ruby/gems/1.8/gems/hpricot-0.5 y si hago un script en ruby me lo encuentra con simplemente poner require ‘rubygems’ y r…

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## [Estructura de directorios de rails con svn](https://www.ruby-forum.com/t/estructura-de-directorios-de-rails-con-svn/103614)

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**Author:** [@alarkspur](https://www.ruby-forum.com/u/alarkspur)\
**Replies:** 4\
**Last updated:** [May 8, 2007, 10:47pm UTC](https://www.ruby-forum.com/t/estructura-de-directorios-de-rails-con-svn/103614 "2007-05-08T22:47:51Z")

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Hola como se que seguro meterÃ© la pata, os comento la duda para por lo menos empezar con buen pie la aplicaciÃ³n. La duda es sobre cual seria la estructura correcta de una aplicaciÃ³n rails con suvbersion, seria alg…

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