# Community

**URL:** https://www.ruby-forum.com/c/community/3.md?page=247

[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:** 248

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## [Self referential habtm](https://www.ruby-forum.com/t/self-referential-habtm/123935)

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**Author:** [@masoto](https://www.ruby-forum.com/u/masoto)\
**Replies:** 2\
**Last updated:** [December 24, 2007, 11:55pm UTC](https://www.ruby-forum.com/t/self-referential-habtm/123935 "2007-12-24T23:55:57Z")

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Perdonad por la pregunta tonta, pero tengo una tabla de usuarios donde guardo el nombre y una tabla de amigos del tipo: create\_table :users\_friends do |t| t.column :user\_id, :integer t.column :friend\_id, :integer …

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## [RESTful Authentication - rutas para activ aciÃ³n de usuarios](https://www.ruby-forum.com/t/restful-authentication-rutas-para-activ-acia-n-de-usuarios/124078)

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**Author:** [@Jaime\_I](https://www.ruby-forum.com/u/Jaime_I)\
**Replies:** 1\
**Last updated:** [December 24, 2007, 1:35pm UTC](https://www.ruby-forum.com/t/restful-authentication-rutas-para-activ-acia-n-de-usuarios/124078 "2007-12-24T13:35:36Z")

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Holas! Recién instalado el plugin restful\_authentication, no me funciona el tema de activación de usuarios. O sea, sí que envía el mail con el link para la activación, en este plan: http://localhost:3000/activate/992…

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## [Rails 2 en Mac OS Leopard](https://www.ruby-forum.com/t/rails-2-en-mac-os-leopard/124077)

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**Author:** [@emili](https://www.ruby-forum.com/u/emili)\
**Replies:** 7\
**Last updated:** [December 24, 2007, 1:13pm UTC](https://www.ruby-forum.com/t/rails-2-en-mac-os-leopard/124077 "2007-12-24T13:13:54Z")

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Buenas, he estado haciendo pruebas con Rails 2 en Leopard y me ha creado el archivo database.yml para sqlite y no para mysql. Tenia entendido que la base de datos por defecte era MySQL, de hecho con la versión 1.2.6 m…

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## [Conseil sur factorisation de vue (helper?)](https://www.ruby-forum.com/t/conseil-sur-factorisation-de-vue-helper/123755)

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**Author:** [@tranquiliste](https://www.ruby-forum.com/u/tranquiliste)\
**Replies:** 2\
**Last updated:** [December 24, 2007, 7:53am UTC](https://www.ruby-forum.com/t/conseil-sur-factorisation-de-vue-helper/123755 "2007-12-24T07:53:12Z")

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Bonjour, J’avance sur mon projet rails (lentement mais j’ai un métier à côtéqui me prend du temps) et je me pose une question pour factoriser des vues. Tout d’abord un petit rappel du contexte : Je développe un sit…

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## [Instalar rails diferente a la 2](https://www.ruby-forum.com/t/instalar-rails-diferente-a-la-2/124042)

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**Author:** [@Mauricio\_D](https://www.ruby-forum.com/u/Mauricio_D)\
**Replies:** 3\
**Last updated:** [December 23, 2007, 11:29pm UTC](https://www.ruby-forum.com/t/instalar-rails-diferente-a-la-2/124042 "2007-12-23T23:29:51Z")

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Hola, quiero saber si alguno me puede decir como instalar una version anterior a rails 2.0 ya que es la unica que le puedo inslatar a debian con el comando sudo gem install rails --include-dependencies – Mauricio D…

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## [Weihnachten on Rails](https://www.ruby-forum.com/t/weihnachten-on-rails/124016)

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**Author:** [@Werner\_L](https://www.ruby-forum.com/u/Werner_L)\
**Replies:** 0\
**Last updated:** [December 23, 2007, 3:16pm UTC](https://www.ruby-forum.com/t/weihnachten-on-rails/124016 "2007-12-23T15:16:55Z")

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Euch allen ein paar schÃ¶ne Tage… hier noch was zum Einstimmen: http://www.youtube.com/watch?v=brAlzKHYFnA GruÃŸ Werner

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## [Unit-Test fÃ¼r Modell mit \_attributes setter](https://www.ruby-forum.com/t/unit-test-fa-r-modell-mit-attributes-setter/123875)

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**Author:** [@rbjl](https://www.ruby-forum.com/u/rbjl)\
**Replies:** 1\
**Last updated:** [December 23, 2007, 2:21pm UTC](https://www.ruby-forum.com/t/unit-test-fa-r-modell-mit-attributes-setter/123875 "2007-12-23T14:21:45Z")

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ja hallo erstmal,… derzeit stehe ich vor dem Problemen, einen unit-Test für eine Klasse schreiben zu müssen, die einen Attribute-Setter für eine fields\_for Umgebung verwendet. (Analog zu project.rb aus #75 Complex Fo…

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## [Para una misma vista diferentes layouts](https://www.ruby-forum.com/t/para-una-misma-vista-diferentes-layouts/123954)

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**Author:** [@davox](https://www.ruby-forum.com/u/davox)\
**Replies:** 5\
**Last updated:** [December 23, 2007, 12:50pm UTC](https://www.ruby-forum.com/t/para-una-misma-vista-diferentes-layouts/123954 "2007-12-23T12:50:28Z")

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Hola amigos, Tengo un modelo perfil, en este modelo tengo la vista show que me muestra mi perfil y la vista show\_other que me muestra el perfil de otros usuarios. Me gustaria que estas dos vistas tuvieran layouts dis…

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## [Petit problÃ¨me en REST](https://www.ruby-forum.com/t/petit-probla-me-en-rest/123332)

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**Author:** [@Antoine](https://www.ruby-forum.com/u/Antoine)\
**Replies:** 8\
**Last updated:** [December 23, 2007, 10:47am UTC](https://www.ruby-forum.com/t/petit-probla-me-en-rest/123332 "2007-12-23T10:47:36Z")

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Bonjour Je m’intérese comme vous tous à REST. J’ai une question simple mais je n’ai pas trouvé de réponse … La plupart de mes actions dans mes controller charge généralement avant d’afficher la vue, plusieurs ressour…

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## [Has\_many :through y belongs\_to](https://www.ruby-forum.com/t/has-many-through-y-belongs-to/123282)

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**Author:** [@Pablo\_MartSSS\_nez\_S](https://www.ruby-forum.com/u/Pablo_MartSSS_nez_S)\
**Replies:** 5\
**Last updated:** [December 22, 2007, 11:05pm UTC](https://www.ruby-forum.com/t/has-many-through-y-belongs-to/123282 "2007-12-22T23:05:52Z")

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Escribo porque hay una cosa que no tengo del todo claro, y me gustaríapreguntar sobre ello. Tengo 3 modelos con distintas relaciones tal y como describo a continuación: class City \< ActiveRecord::Base has\_many :peop…

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## [Problema de versiones al instalar rails 1.2.2](https://www.ruby-forum.com/t/problema-de-versiones-al-instalar-rails-1-2-2/123870)

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**Author:** [@txurdi](https://www.ruby-forum.com/u/txurdi)\
**Replies:** 4\
**Last updated:** [December 22, 2007, 12:03pm UTC](https://www.ruby-forum.com/t/problema-de-versiones-al-instalar-rails-1-2-2/123870 "2007-12-22T12:03:40Z")

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Hola lista, tengo un miniproblema con la instalaciÃ³n. Estoy en Ubuntu Festy. Tengo que instalar ruby1.8.5, gem 0.9.0 y rails1.2.2 (es para pruebas en local con las mismas versiones que hay en producciÃ³n) Soy novat…

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## [\[Fwd: Re: ITW sur JDNET dÃ©veloppeur\]](https://www.ruby-forum.com/t/fwd-re-itw-sur-jdnet-da-veloppeur/123907)

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**Author:** [@Laurent\_J](https://www.ruby-forum.com/u/Laurent_J)\
**Replies:** 0\
**Last updated:** [December 21, 2007, 10:29pm UTC](https://www.ruby-forum.com/t/fwd-re-itw-sur-jdnet-da-veloppeur/123907 "2007-12-21T22:29:37Z")

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Oyez, oyez dÃ©veloppeurs Rails Le Journal du Net languit de ne pas avoir une tribune sur Ruby/Rails ou plus d’astuces. En s’y mettant Ã plusieurs on pourrait facilement combler ce vide. Si ca vous tente n’hÃ©sitez pa…

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## [Llenar lista con Ajax](https://www.ruby-forum.com/t/llenar-lista-con-ajax/123720)

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**Author:** [@jarrouj](https://www.ruby-forum.com/u/jarrouj)\
**Replies:** 1\
**Last updated:** [December 21, 2007, 7:24pm UTC](https://www.ruby-forum.com/t/llenar-lista-con-ajax/123720 "2007-12-21T19:24:05Z")

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Que tal gente, soy nuevo con la herramienta y estoy teniendo algunos problemas. Y espero que me puedan ayudar. El problema es el siguiente tengo el siguiente formulario: Clase de Equipos …

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## [HELP, Controlleurs et hÃ©ritage ou association polymorphique](https://www.ruby-forum.com/t/help-controlleurs-et-ha-ritage-ou-association-polymorphique/123815)

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**Author:** [@harryspier](https://www.ruby-forum.com/u/harryspier)\
**Replies:** 2\
**Last updated:** [December 21, 2007, 6:16pm UTC](https://www.ruby-forum.com/t/help-controlleurs-et-ha-ritage-ou-association-polymorphique/123815 "2007-12-21T18:16:13Z")

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Salut, Comment reproduire sur les controlleurs le comportement polymorphique des modÃ¨les ? Bon dis comme Ã§a c pas forcement clair. Alors reprenons l’exemple de l’Agile Web D. with Rails : Les classes Article, Sound…

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## [Generar diagramas de bases de datos](https://www.ruby-forum.com/t/generar-diagramas-de-bases-de-datos/123858)

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**Author:** [@emili](https://www.ruby-forum.com/u/emili)\
**Replies:** 9\
**Last updated:** [December 21, 2007, 4:41pm UTC](https://www.ruby-forum.com/t/generar-diagramas-de-bases-de-datos/123858 "2007-12-21T16:41:56Z")

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Hola, alguien conoce un plugin/gema/script… para generar el diagrama relacional de una aplicación?? Uso RailRoad para el de modelos pero me gustaria tener también un diagrama con todas las tablas y su relación. Graci…

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## [Convertire una string in un campo db](https://www.ruby-forum.com/t/convertire-una-string-in-un-campo-db/123863)

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**Author:** [@harloc](https://www.ruby-forum.com/u/harloc)\
**Replies:** 2\
**Last updated:** [December 21, 2007, 3:05pm UTC](https://www.ruby-forum.com/t/convertire-una-string-in-un-campo-db/123863 "2007-12-21T15:05:12Z")

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Ciao, forse il titolo non spiega bene quello che sto cercando. Ho fatto un ciclo in questo modo: \<% ex\_title = \[“Data”, “G.bianchi”, “Emoglobina”\]%\> \<% ex\_field = \[“date\_bio”, “gb\_bio”, “hb\_bio”\]%\> \<% ex\_field.le…

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## [SQLite3 par dÃ©faut dans Rails 2.0.2](https://www.ruby-forum.com/t/sqlite3-par-da-faut-dans-rails-2-0-2/123628)

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**Author:** [@pierreva](https://www.ruby-forum.com/u/pierreva)\
**Replies:** 5\
**Last updated:** [December 21, 2007, 2:31pm UTC](https://www.ruby-forum.com/t/sqlite3-par-da-faut-dans-rails-2-0-2/123628 "2007-12-21T14:31:12Z")

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Bonjour à tous, J’ai vu que DHH a annoncé que SQLite3 devenait la base de données par défaut dans la nouvelle version de Rails 2.0.2 J’aurais aimé en savoir plus sur cette base de données, notamment en termes de pe…

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## [Pas de champs affichÃ©](https://www.ruby-forum.com/t/pas-de-champs-afficha/123758)

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**Author:** [@jechco](https://www.ruby-forum.com/u/jechco)\
**Replies:** 3\
**Last updated:** [December 21, 2007, 1:43pm UTC](https://www.ruby-forum.com/t/pas-de-champs-afficha/123758 "2007-12-21T13:43:04Z")

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bonjour, je m’initie Ã RoR et quoi de mieux qu’un petit tuto de base : bref tout marche bien sauf que les champs liÃ©s aux champs de la table mysql des formulaires ne s’affichent pas sur la page New. Qd je fais cre…

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## [Autentificaciones](https://www.ruby-forum.com/t/autentificaciones/123859)

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**Author:** [@Ronald\_Amilcar\_PSSS](https://www.ruby-forum.com/u/Ronald_Amilcar_PSSS)\
**Replies:** 1\
**Last updated:** [December 21, 2007, 1:22pm UTC](https://www.ruby-forum.com/t/autentificaciones/123859 "2007-12-21T13:22:02Z")

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Holas saludos a todos… Soy un novato en lo que es ROR, estoy actualmente desarrollando una aplicacion donde lo que mas dolores de cabeza me esta dando es la parte de autentificaciÃ³n de usuarios, niveles de acceso, pe…

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## [Subir y eliminar ficheros de Amazon S3](https://www.ruby-forum.com/t/subir-y-eliminar-ficheros-de-amazon-s3/123788)

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**Author:** [@masoto](https://www.ruby-forum.com/u/masoto)\
**Replies:** 7\
**Last updated:** [December 21, 2007, 12:47pm UTC](https://www.ruby-forum.com/t/subir-y-eliminar-ficheros-de-amazon-s3/123788 "2007-12-21T12:47:03Z")

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Hola a todos, Seguro que alguno de vosotros ha visto alguna aplicaciÃ³n online del tipo www.senduit.com en la que puedes subir un fichero e indicar su tiempo de expiraciÃ³n, es decir, cuanto tiempo queremos que el fic…

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## [Cannot establish site in development mode](https://www.ruby-forum.com/t/cannot-establish-site-in-development-mode/123579)

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**Author:** [@tsonnysys](https://www.ruby-forum.com/u/tsonnysys)\
**Replies:** 5\
**Last updated:** [December 21, 2007, 4:06am UTC](https://www.ruby-forum.com/t/cannot-establish-site-in-development-mode/123579 "2007-12-21T04:06:11Z")

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Can anyone help? I am trying to get rforum up and running. I cannot run it in development mode (eclipse w/radrails plugin) I get the following error: undefined method \`acts\_as\_list’ for #Class:0x3831730 RAILS\_ROOT: C…

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## [Arrrg! Load Error : Expected.../forum.rb to define forum](https://www.ruby-forum.com/t/arrrg-load-error-expected-forum-rb-to-define-forum/123763)

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**Author:** [@tsonnysys](https://www.ruby-forum.com/u/tsonnysys)\
**Replies:** 1\
**Last updated:** [December 20, 2007, 10:09pm UTC](https://www.ruby-forum.com/t/arrrg-load-error-expected-forum-rb-to-define-forum/123763 "2007-12-20T22:09:17Z")

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I keep getting the following error when I deploy to mongrel: Expected C:/muforum/rforum/app/models/forum.rb to define Forum RAILS\_ROOT: C:/muforum/rforum Application Trace | Framework Trace | Full Trace C:/ruby/lib/r…

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## [Duda de maquetaciÃ³n](https://www.ruby-forum.com/t/duda-de-maquetacia-n/123527)

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**Author:** [@fernan2](https://www.ruby-forum.com/u/fernan2)\
**Replies:** 8\
**Last updated:** [December 20, 2007, 6:47pm UTC](https://www.ruby-forum.com/t/duda-de-maquetacia-n/123527 "2007-12-20T18:47:02Z")

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supongo que aquÃ­ no es el sitio adecuado para preguntarlo, pero si alguien lo sabe… Tengo un div (podrÃ­a ser otro elemento) con un fondo de color, y dentro va texto que puede ser corto o largo. Si el texto es corto…

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## [Anwendungsmeldungen zentral verwalten](https://www.ruby-forum.com/t/anwendungsmeldungen-zentral-verwalten/123796)

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**Author:** [@spiderware](https://www.ruby-forum.com/u/spiderware)\
**Replies:** 0\
**Last updated:** [December 20, 2007, 6:24pm UTC](https://www.ruby-forum.com/t/anwendungsmeldungen-zentral-verwalten/123796 "2007-12-20T18:24:48Z")

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Hi Liste, vielleicht fällt ja jemandem spontan etwas zu dem Thema ein: Wir haben momentan über die gesamte Anwendung verstreut einen ganzen Haufen von Anwendungsmeldungen: Da sind vor allem die ganzen flash \[:notice\]…

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## [\[ANN\]Freies deutschsprachiges Buch zu Ruby on Rails 2.0](https://www.ruby-forum.com/t/ann-freies-deutschsprachiges-buch-zu-ruby-on-rails-2-0/123695)

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**Author:** [@Kaan\_KSRUG](https://www.ruby-forum.com/u/Kaan_KSRUG)\
**Replies:** 2\
**Last updated:** [December 20, 2007, 6:01pm UTC](https://www.ruby-forum.com/t/ann-freies-deutschsprachiges-buch-zu-ruby-on-rails-2-0/123695 "2007-12-20T18:01:20Z")

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Hallo, wir haben ein freies deutschsprachiges Buch Ã¼ber Ruby on Rails verÃ¶ffentlicht. Es soll eine Art Weihnachtsgeschenk fÃ¼r die Community sein :slight\_smile: Details findet ihr unter: http://www.rubyonrails.de/…

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## [Jointure triÃ©e et cumulÃ©e](https://www.ruby-forum.com/t/jointure-tria-e-et-cumula-e/121281)

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**Author:** [@tranquiliste](https://www.ruby-forum.com/u/tranquiliste)\
**Replies:** 3\
**Last updated:** [December 20, 2007, 3:39pm UTC](https://www.ruby-forum.com/t/jointure-tria-e-et-cumula-e/121281 "2007-12-20T15:39:28Z")

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Bonjour, Encore moi avec une question sur la meilleure façon de faire une opération. Je vous explique : Je gère des recettes de cuisine et pour cela j’ai les modèles suivants (et tables associées) : recettes ingréd…

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## [Railers, a vos plumes!](https://www.ruby-forum.com/t/railers-a-vos-plumes/123555)

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**Author:** [@Laurent\_J](https://www.ruby-forum.com/u/Laurent_J)\
**Replies:** 7\
**Last updated:** [December 20, 2007, 11:50am UTC](https://www.ruby-forum.com/t/railers-a-vos-plumes/123555 "2007-12-20T11:50:51Z")

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Railers, Après le succès de Paris On Rails 2007, le magazine Programmez souhaite faire un numéro spécial sur Rails pour Février. François Tonic, rédacteur en chef propose d’écrire des articles de longueur variable sur …

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## [Paris on Rails 2007 : les prÃ©sentations](https://www.ruby-forum.com/t/paris-on-rails-2007-les-pra-sentations/123084)

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**Author:** [@nuxygen](https://www.ruby-forum.com/u/nuxygen)\
**Replies:** 14\
**Last updated:** [December 20, 2007, 10:26am UTC](https://www.ruby-forum.com/t/paris-on-rails-2007-les-pra-sentations/123084 "2007-12-20T10:26:18Z")

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C’est par ici: http://2007.parisonrails.org Bonne lecture, Richard

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## [Freies deutschsprachiges Buch zu Ruby on Rails 2.0](https://www.ruby-forum.com/t/freies-deutschsprachiges-buch-zu-ruby-on-rails-2-0/196549)

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**Author:** [@Kaan\_KSRUG](https://www.ruby-forum.com/u/Kaan_KSRUG)\
**Replies:** 0\
**Last updated:** [December 20, 2007, 10:18am UTC](https://www.ruby-forum.com/t/freies-deutschsprachiges-buch-zu-ruby-on-rails-2-0/196549 "2007-12-20T10:18:07Z")

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Hallo, wir haben ein freies deutschsprachiges Buch Ã¼ber Ruby on Rails verÃ¶ffentlicht. Es soll eine Art Weihnachtsgeschenk fÃ¼r die Community sein :slight\_smile: Details findet ihr unter: http://www.rubyonrails.de/…

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## [Content-Disposition: attachment um Download von Bildern zu erzwingen](https://www.ruby-forum.com/t/content-disposition-attachment-um-download-von-bildern-zu-erzwingen/123742)

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**Author:** [@spiderware](https://www.ruby-forum.com/u/spiderware)\
**Replies:** 2\
**Last updated:** [December 20, 2007, 8:51am UTC](https://www.ruby-forum.com/t/content-disposition-attachment-um-download-von-bildern-zu-erzwingen/123742 "2007-12-20T08:51:17Z")

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Hi Liste, ok, das ist jetzt nur halb eine Rails-Frage. aber vielleicht fällt ja doch jemandem was dazu ein: Wir haben ein Verzeichnis mit hochauflösenden Bildern, die eigentlich nicht zur Ansicht, sondern zum Downloa…

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