# Community **URL:** https://www.ruby-forum.com/c/community/3.md?page=261 [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:** 262 --- ## [AJAX Form con 2 botones](https://www.ruby-forum.com/t/ajax-form-con-2-botones/119232)

**Author:** [@zaid](https://www.ruby-forum.com/u/zaid)\ **Replies:** 0\ **Last updated:** [November 5, 2007, 8:49am UTC](https://www.ruby-forum.com/t/ajax-form-con-2-botones/119232 "2007-11-05T08:49:55Z")

Hola Tengo un formulario con dos botones q sin ajax funciona correctamente. \<%= form\_tag :action =\> ‘siguiente’, :tID =\> tID%\> \[…\] \<%= image\_submit\_tag (“aceptar.gif”, :name =\>“add”) \[…\] \<%= image\_submit\_tag (“acep… --- ## [Observers, instance variables](https://www.ruby-forum.com/t/observers-instance-variables/119132)

**Author:** [@kalle\_saas](https://www.ruby-forum.com/u/kalle_saas)\ **Replies:** 6\ **Last updated:** [November 5, 2007, 8:32am UTC](https://www.ruby-forum.com/t/observers-instance-variables/119132 "2007-11-05T08:32:48Z")

Hey, wie kann man in Observer auf instance Variablen zugrefen? Ich baue gerade das “latest activity” feature in meine webapp ein und habe das versucht: def after\_destroy(bill) activity = Activity.new activity.cate… --- ## [Problema con modelli ed ereditarietÃ](https://www.ruby-forum.com/t/problema-con-modelli-ed-ereditarieta/119145)

**Author:** [@stratboy](https://www.ruby-forum.com/u/stratboy)\ **Replies:** 6\ **Last updated:** [November 5, 2007, 12:45am UTC](https://www.ruby-forum.com/t/problema-con-modelli-ed-ereditarieta/119145 "2007-11-05T00:45:51Z")

Ho i seguenti modelli. class Core \< ActiveRecord::Base end class Place \< Core belongs\_to :locality end class Locality \< ActiveRecord::Base has\_many :places end altri che ereditano sempre da Core. Il modello co… --- ## [Crear y leer de XML](https://www.ruby-forum.com/t/crear-y-leer-de-xml/119203)

**Author:** [@zaid](https://www.ruby-forum.com/u/zaid)\ **Replies:** 1\ **Last updated:** [November 4, 2007, 11:51pm UTC](https://www.ruby-forum.com/t/crear-y-leer-de-xml/119203 "2007-11-04T23:51:28Z")

Hooola Estoy intentando crear y leer de un xml. Pero no soy capaz de guardarlo en un ruta. Lo creo asÃ: xml = Builder::XmlMarkup.new xml.id(1) Pero no se como guardarlo en la ruta q yo quiera. Ni como abrirlo y le… --- ## [Sommare i valori dei record](https://www.ruby-forum.com/t/sommare-i-valori-dei-record/119190)

**Author:** [@stratboy](https://www.ruby-forum.com/u/stratboy)\ **Replies:** 1\ **Last updated:** [November 4, 2007, 10:26pm UTC](https://www.ruby-forum.com/t/sommare-i-valori-dei-record/119190 "2007-11-04T22:26:03Z")

ho 2 modelli class Core \< ActiveRecord::Base has\_many :votes end class Vote \< ActiveRecord::Base belong\_to :cores end il modello votes ha un campo con il voto (0,1,2) vorrei che selezionando un core (ad es. Core.… --- ## [Select onChange con ajax](https://www.ruby-forum.com/t/select-onchange-con-ajax/119189)

**Author:** [@zaid](https://www.ruby-forum.com/u/zaid)\ **Replies:** 4\ **Last updated:** [November 4, 2007, 8:40pm UTC](https://www.ruby-forum.com/t/select-onchange-con-ajax/119189 "2007-11-04T20:40:56Z")

Hola Tengo este formulario que se llega a Ã©l despues de: \<%= link\_to\_remote(image\_tag("…/images/next.gif"), :update =\> “main\_content”, :url =\>{ :action =\> ‘list’ }, :retur… --- ## [Neuling: Datumsformat bei Upload in MySQL](https://www.ruby-forum.com/t/neuling-datumsformat-bei-upload-in-mysql/119149)

**Author:** [@Torsten\_F](https://www.ruby-forum.com/u/Torsten_F)\ **Replies:** 10\ **Last updated:** [November 4, 2007, 6:48pm UTC](https://www.ruby-forum.com/t/neuling-datumsformat-bei-upload-in-mysql/119149 "2007-11-04T18:48:10Z")

Guten Abend, bin seit einem Tag “dabei” und bin eigentlich schon ziemlich weit gekommen :slight\_smile: Ich habe mir den Screencast bezÃ¼glich des “Blogs in 15 Minuten” angeschaut und natÃ¼rlich bleiben Fragen. Aber … --- ## [Link\_to\_remote con form\_tag](https://www.ruby-forum.com/t/link-to-remote-con-form-tag/119139)

**Author:** [@zaid](https://www.ruby-forum.com/u/zaid)\ **Replies:** 1\ **Last updated:** [November 4, 2007, 4:16pm UTC](https://www.ruby-forum.com/t/link-to-remote-con-form-tag/119139 "2007-11-04T16:16:26Z")

Hola Tengo una web con una funcionalidad que funciona perfectamente. Y me he planteado incluirlo dentro de otra web en una capa. Estoy cambiando los link\_to por link\_to\_remote, pero el rhtml que carga despues de un l… --- ## [Guia de referencia actualizada](https://www.ruby-forum.com/t/guia-de-referencia-actualizada/119155)

**Author:** [@trancos123](https://www.ruby-forum.com/u/trancos123)\ **Replies:** 1\ **Last updated:** [November 3, 2007, 10:57pm UTC](https://www.ruby-forum.com/t/guia-de-referencia-actualizada/119155 "2007-11-03T22:57:48Z")

Saludos a todos. He encontrado un par de guias de referencia que me estan resultando muy utiles en mi incursion en rails. Son estas dos: http://blog.invisible.ch/files/rails-reference-1.1.html El problema es que s… --- ## [problÃ¨me de routes avec le edge](https://www.ruby-forum.com/t/probla-me-de-routes-avec-le-edge/118605)

**Author:** [@Bolo](https://www.ruby-forum.com/u/Bolo)\ **Replies:** 10\ **Last updated:** [November 3, 2007, 9:49pm UTC](https://www.ruby-forum.com/t/probla-me-de-routes-avec-le-edge/118605 "2007-11-03T21:49:18Z")

bonjour, je suis en train de mettre à jour mes routes pour utiliser le edge, mais depuis que j’utilise has\_many ma deuxième route “map.resources :faqs, :collection =\> { :search =\> :get }” ne marche ne pluus http://… --- ## [Error con update\_attribute](https://www.ruby-forum.com/t/error-con-update-attribute/119133)

**Author:** [@zaid](https://www.ruby-forum.com/u/zaid)\ **Replies:** 8\ **Last updated:** [November 3, 2007, 5:26pm UTC](https://www.ruby-forum.com/t/error-con-update-attribute/119133 "2007-11-03T17:26:28Z")

Hola Estoy intentando hacer un update de varios registros pero me dice: undefined method \`update\_attribute’ for #Array:0x46e1974 Lo estoy intentado asÃ: @content = Content.find(:all, :conditions =\> "op\_id = " + @se… --- ## [Ruby script/generate scaffold\_resource](https://www.ruby-forum.com/t/ruby-script-generate-scaffold-resource/119125)

**Author:** [@lynchnco](https://www.ruby-forum.com/u/lynchnco)\ **Replies:** 2\ **Last updated:** [November 3, 2007, 5:12pm UTC](https://www.ruby-forum.com/t/ruby-script-generate-scaffold-resource/119125 "2007-11-03T17:12:00Z")

J’ai un truc vraiment bizarre : Quand je fais “ruby script/generate scaffold\_resource fiche” dans un tout nouveau projet, puis “rake db:migrate” et que j’essaie d’accÃ©der Ã /fiches j’ai undefined local variable or … --- ## [Agragador noticias RSS](https://www.ruby-forum.com/t/agragador-noticias-rss/119120)

**Author:** [@masoto](https://www.ruby-forum.com/u/masoto)\ **Replies:** 5\ **Last updated:** [November 3, 2007, 1:36pm UTC](https://www.ruby-forum.com/t/agragador-noticias-rss/119120 "2007-11-03T13:36:01Z")

Hola a todos, necesito programar un planeta en Ruby On Rails, del estilo de: http://planetarails.com Ã³ http://www.planetrubyonrails.org Â¿Alguien sabe si existe algÃºn proyecto libre? En caso de no existir, supongo … --- ## [Problemi con Eruby \`initialize': Insecure operation -](https://www.ruby-forum.com/t/problemi-con-eruby-initialize-insecure-operation/119127)

**Author:** [@panto](https://www.ruby-forum.com/u/panto)\ **Replies:** 0\ **Last updated:** [November 3, 2007, 12:51pm UTC](https://www.ruby-forum.com/t/problemi-con-eruby-initialize-insecure-operation/119127 "2007-11-03T12:51:50Z")

Salve a tutti , ho letto molto ma non sono riuscito a risovere il problema :slight\_smile: Vi descrivo il problema spero che non vi annoiate :slight\_smile: Sto facendo un applicativo web per effettuare query su un fi… --- ## [RailsToItaly is over](https://www.ruby-forum.com/t/railstoitaly-is-over/118593)

**Author:** [@paolodona](https://www.ruby-forum.com/u/paolodona)\ **Replies:** 13\ **Last updated:** [November 3, 2007, 10:40am UTC](https://www.ruby-forum.com/t/railstoitaly-is-over/118593 "2007-11-03T10:40:00Z")

Ciao a tutti, volevo solo fare i complimenti agli organizzatori di RailsToItaly che Ã¨ stata proprio una bella conferenza! Spero che chi non c’era si mangi le mani… potete leggere un mio personalissimo riassunto dell… --- ## [ProblÃ¨me Ã©trange, certaines pages produi sent une Application Error](https://www.ruby-forum.com/t/probla-me-a-trange-certaines-pages-produi-sent-une-application-error/118223)

**Author:** [@Samoht\_T](https://www.ruby-forum.com/u/Samoht_T)\ **Replies:** 4\ **Last updated:** [November 2, 2007, 8:56pm UTC](https://www.ruby-forum.com/t/probla-me-a-trange-certaines-pages-produi-sent-une-application-error/118223 "2007-11-02T20:56:18Z")

Bonjour, j’ai developpÃ© une appli qui est actuellement hebergÃ©e sur Site5.com (j’ai profitÃ© d’une de leur promotion pour avoir un serveur pas cher). Le serveur est Apache et j’utilise le dispatcher FastCGI Cette … --- ## [Comportement ERB?](https://www.ruby-forum.com/t/comportement-erb/119030)

**Author:** [@Jean-Baptiste\_BARTH](https://www.ruby-forum.com/u/Jean-Baptiste_BARTH)\ **Replies:** 4\ **Last updated:** [November 2, 2007, 7:04pm UTC](https://www.ruby-forum.com/t/comportement-erb/119030 "2007-11-02T19:04:26Z")

Bonjour, Je débute en RoR et suis nouveau sur cette liste, donc tout d’abord merci de toutes les infos que vous m’avez déjà apporté sans le savoir :slight\_smile: Je me retrouve avec un comportement génant lors du pars… --- ## ['Advancing With Rails' Workshop in Berlin mit David Black](https://www.ruby-forum.com/t/advancing-with-rails-workshop-in-berlin-mit-david-black/118138)

**Author:** [@kuzb](https://www.ruby-forum.com/u/kuzb)\ **Replies:** 16\ **Last updated:** [November 2, 2007, 4:56pm UTC](https://www.ruby-forum.com/t/advancing-with-rails-workshop-in-berlin-mit-david-black/118138 "2007-11-02T16:56:17Z")

Hallo, David Black (RailsConf Chair, Autor von Ruby for Rails) wird Mitte November ein 4-taegigen Workshop ueber Ruby und Rails halten. Schwerpunkte werden weitergehende Rails Themen und Ruby als Sprache sein. Es ist… --- ## [ActionMailer, confirmaciÃ³n de lectura o de entrega](https://www.ruby-forum.com/t/actionmailer-confirmacia-n-de-lectura-o-de-entrega/119038)

**Author:** [@andresleon](https://www.ruby-forum.com/u/andresleon)\ **Replies:** 0\ **Last updated:** [November 2, 2007, 1:04pm UTC](https://www.ruby-forum.com/t/actionmailer-confirmacia-n-de-lectura-o-de-entrega/119038 "2007-11-02T13:04:46Z")

Hola, estoy alucinando con lo comodo que es ActionMailer, pero no se si puedo enviar correos con confirmacÃ³n de lectura o entrega. Agradeceria mucho vuestra ayuda al respecto. --- ## [\[newbie\] Passare un array fra 2 controller](https://www.ruby-forum.com/t/newbie-passare-un-array-fra-2-controller/119024)

**Author:** [@aurora](https://www.ruby-forum.com/u/aurora)\ **Replies:** 7\ **Last updated:** [November 2, 2007, 11:32am UTC](https://www.ruby-forum.com/t/newbie-passare-un-array-fra-2-controller/119024 "2007-11-02T11:32:43Z")

Ho qualche difficoltÃ nel capire come passare da un controller ad un altro un array di elementi, ad esempoio degli ID. Ho una situazione di questo tipo: controllerA def method1 idList = \[‘1’,‘2’,‘3’\] redirect\_to … --- ## [Message "require\_gem is obsolete"](https://www.ruby-forum.com/t/message-require-gem-is-obsolete/118975)

**Author:** [@gbenoit79](https://www.ruby-forum.com/u/gbenoit79)\ **Replies:** 1\ **Last updated:** [November 2, 2007, 1:30am UTC](https://www.ruby-forum.com/t/message-require-gem-is-obsolete/118975 "2007-11-02T01:30:27Z")

Bonjour, J’ai depuis des lustres (et peut-etre meme avant !!!) un message “/usr/bin/rake:17:Warning: require\_gem is obsolete. Use gem instead.” quand j’utilise rake (et peut-etre meme ailleurs ?). Tout marche bien, … --- ## [Problemas con relacion de tabla](https://www.ruby-forum.com/t/problemas-con-relacion-de-tabla/118573)

**Author:** [@miguel](https://www.ruby-forum.com/u/miguel)\ **Replies:** 5\ **Last updated:** [November 1, 2007, 5:51pm UTC](https://www.ruby-forum.com/t/problemas-con-relacion-de-tabla/118573 "2007-11-01T17:51:06Z")

Hola como estan. Nuevamente yo aqui haciendo preguntas, disculpen la molestia. tengo dos modelos uno “obras” y el otro “series\_obras” class Obra \< ActiveRecord::Base belongs\_to :series\_obra ,:foreign\_key =\>“que\_seri… --- ## [Alguna frase para un polito de Rails?](https://www.ruby-forum.com/t/alguna-frase-para-un-polito-de-rails/118946)

**Author:** [@RubenSD](https://www.ruby-forum.com/u/RubenSD)\ **Replies:** 0\ **Last updated:** [November 1, 2007, 5:27pm UTC](https://www.ruby-forum.com/t/alguna-frase-para-un-polito-de-rails/118946 "2007-11-01T17:27:05Z")

Saludos amigos, bueno ya se viene el verano por aqui(Lima-PerÃº), y pienso mandarme a hacer una media docena de politos, alguien tendra alguna frase para acompaÃ±ar al logo de Rails(tengo el permiso de David)? Graci… --- ## [Nach Existenz von Klassenattribut fragen](https://www.ruby-forum.com/t/nach-existenz-von-klassenattribut-fragen/118942)

**Author:** [@mrkohrea](https://www.ruby-forum.com/u/mrkohrea)\ **Replies:** 4\ **Last updated:** [November 1, 2007, 5:22pm UTC](https://www.ruby-forum.com/t/nach-existenz-von-klassenattribut-fragen/118942 "2007-11-01T17:22:59Z")

Hallo, ich suche eine Methode, die mir angibt, ob ein Klassenattribut vorhanden ist. Ich weiÃŸ, daÃŸ ich das so etwas schon mal verwendet habe, aber ich finde gerade nirgends was dazu. Kann mir jemand auf die SprÃ¼… --- ## [Formatear numeros](https://www.ruby-forum.com/t/formatear-numeros/118853)

**Author:** [@Angel\_Mauricio\_Pino](https://www.ruby-forum.com/u/Angel_Mauricio_Pino)\ **Replies:** 3\ **Last updated:** [November 1, 2007, 5:10pm UTC](https://www.ruby-forum.com/t/formatear-numeros/118853 "2007-11-01T17:10:43Z")

necesito separara dÃgitos en grupos de 3 y no se la cantidad de dÃgitos que vienen 140987345 =\> 140.987.345 1 =\> 1 1234 =\> 1.234 y es al asignar a text en un pdf por lo que creo que number\_to\_currency no me es … --- ## [Darme de baja de la lista](https://www.ruby-forum.com/t/darme-de-baja-de-la-lista/118885)

**Author:** [@Byron\_GuamSSSSn](https://www.ruby-forum.com/u/Byron_GuamSSSSn)\ **Replies:** 1\ **Last updated:** [November 1, 2007, 12:35am UTC](https://www.ruby-forum.com/t/darme-de-baja-de-la-lista/118885 "2007-11-01T00:35:53Z")

quiero darme baja de la lista Ing. Byron GuamÃ¡n KEOPS GROUP Telf:099157804 e-mail: removed\_email\_address@domain.invalid MSN:removed\_email\_address@domain.invalid Comparte video en la ventana de tus mensajes (y ta… --- ## [Duda conceptual sobre distintos procesos Ruby](https://www.ruby-forum.com/t/duda-conceptual-sobre-distintos-procesos-ruby/118517)

**Author:** [@ISSSSaki\_Baz\_C](https://www.ruby-forum.com/u/ISSSSaki_Baz_C)\ **Replies:** 3\ **Last updated:** [October 31, 2007, 11:54pm UTC](https://www.ruby-forum.com/t/duda-conceptual-sobre-distintos-procesos-ruby/118517 "2007-10-31T23:54:23Z")

Hola, se me presenta un difÃcil problema (al menos para mÃ): Estoy haciendo una librerÃa SIP en Ruby y no sÃ© cÃ³mo implementar una parte fundamental del propio SIP: Debe haber un proceso servidor corriendo perm… --- ## [Ma questo tizio Ã¨ veramente pazzo](https://www.ruby-forum.com/t/ma-questo-tizio-a-veramente-pazzo/118860)

**Author:** [@Mauro\_T](https://www.ruby-forum.com/u/Mauro_T)\ **Replies:** 0\ **Last updated:** [October 31, 2007, 6:54pm UTC](https://www.ruby-forum.com/t/ma-questo-tizio-a-veramente-pazzo/118860 "2007-10-31T18:54:15Z")

Pumpkin on Rails: http://deepthoughts.orsomethinglikethat.com/2007/10/30/por-pumpkin-on-rails/ :wink: – Aequam memento rebus in arduis servare mentem… Mauro T. http://www.tortonesi.com Univ… --- ## [Separara grupos de digitos](https://www.ruby-forum.com/t/separara-grupos-de-digitos/118839)

**Author:** [@Angel\_Mauricio\_Pino](https://www.ruby-forum.com/u/Angel_Mauricio_Pino)\ **Replies:** 5\ **Last updated:** [October 31, 2007, 4:17pm UTC](https://www.ruby-forum.com/t/separara-grupos-de-digitos/118839 "2007-10-31T16:17:16Z")

Como se formatean salidas numÃ©ricas en RUBY?, busque to\_s, sprintf, printf, y expresiones regulares, puede ser esa la forma, pero no se como. gracias, por su ayuda ya solucione lo de los encabezados en PDF --- ## [Cache solo delle immagini del DB](https://www.ruby-forum.com/t/cache-solo-delle-immagini-del-db/118833)

**Author:** [@softwarewin](https://www.ruby-forum.com/u/softwarewin)\ **Replies:** 0\ **Last updated:** [October 31, 2007, 3:02pm UTC](https://www.ruby-forum.com/t/cache-solo-delle-immagini-del-db/118833 "2007-10-31T15:02:36Z")

Salve a tutti, qualcuno sa indicarmi come fare per caricare in cache solo le immagini memorizzate nel db? Grazie Luigi [Previous page](https://www.ruby-forum.com/c/community/3.md?page=260) [Next page](https://www.ruby-forum.com/c/community/3.md?page=262)