# Community **URL:** https://www.ruby-forum.com/c/community/3.md?page=58 [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:** 59 --- ## [Quale ui toolkit?](https://www.ruby-forum.com/t/quale-ui-toolkit/201532)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 1\ **Last updated:** [January 10, 2011, 2:00pm UTC](https://www.ruby-forum.com/t/quale-ui-toolkit/201532 "2011-01-10T14:00:29Z")
Come da oggetto. Ho abbandonato prototype, sto vedendo jquery ui ma sono rimasto impressionato da extjs. Quale utilizzate/consigliate in generale? --- ## [Rad](https://www.ruby-forum.com/t/rad/201526)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 6\ **Last updated:** [January 10, 2011, 10:31am UTC](https://www.ruby-forum.com/t/rad/201526 "2011-01-10T10:31:04Z")
Ciao a tutti, nel weekend ho scaricato e installato Ruby e Rails sul mio PC equipaggiato con Windows 7. Volevo chiedervi… per chi come me proviene dal mondo Microsoft all’inizio si sente spiazzato senza un sw RAD c… --- ## [Options\_for\_select](https://www.ruby-forum.com/t/options-for-select/201491)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [January 8, 2011, 9:46pm UTC](https://www.ruby-forum.com/t/options-for-select/201491 "2011-01-08T21:46:00Z")
Anche leggendo la documentazione non riesco a capire qual’e’ la differenza tra questo select\_tag: \<%= select\_tag(“bags\[\]”, options\_for\_select(@bags.collect { |bb| \[bb.bag\_type, bb.id\] }, @ruser.bags.collect { |ub| ub… --- ## [Rails 3 e ajax](https://www.ruby-forum.com/t/rails-3-e-ajax/201489)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 0\ **Last updated:** [January 8, 2011, 5:19pm UTC](https://www.ruby-forum.com/t/rails-3-e-ajax/201489 "2011-01-08T17:19:16Z")
sto’ migrando una applicazione da rails 2 a rails 3 non avendo piu’ link\_to\_remote come faccio a migrare questo codice \<%=link\_to\_remote image\_tag(“user-trash.png”,:border=\>“0”), :url=\>{:action=\>“delete”,:id=\>chi.id}, … --- ## [Assegnare valori ad attrbuti](https://www.ruby-forum.com/t/assegnare-valori-ad-attrbuti/201467)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [January 8, 2011, 11:09am UTC](https://www.ruby-forum.com/t/assegnare-valori-ad-attrbuti/201467 "2011-01-08T11:09:23Z")
Nel modello, usando il before\_validate richiamo un metodo protected e faccio una cosa del genere: self.prova = self.att + 90.days. Ho pensato che non fosse molto corretto assegnare valori agli attributi direttamente … --- ## [Prompt nel select\_tag](https://www.ruby-forum.com/t/prompt-nel-select-tag/201453)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 0\ **Last updated:** [January 7, 2011, 5:31pm UTC](https://www.ruby-forum.com/t/prompt-nel-select-tag/201453 "2011-01-07T17:31:54Z")
Utilizzavo \<%= collection\_select :category, :sector\_id, @sectors, :id, :name, {:prompt =\> “Tutti”, :selected =\> @sector}, {:id =\> ‘sector\_admin\_select’} %\> funzionava perfettamente poi pero’, siccome non mi serviva a… --- ## [Presentazioni Ruby alla Codemotion](https://www.ruby-forum.com/t/presentazioni-ruby-alla-codemotion/201446)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 0\ **Last updated:** [January 7, 2011, 1:55pm UTC](https://www.ruby-forum.com/t/presentazioni-ruby-alla-codemotion/201446 "2011-01-07T13:55:41Z")
Ragazzi, tempo fa era passato un messaggio per trovare persone della comunit Ruby che volessero partecipare alla codemotion.it http://www.codemotion.it/ (ex Java Day), che quest’anno si apre a tutti i linguaggi, tra… --- ## [Organizziamo il Ruby Day in Italia!](https://www.ruby-forum.com/t/organizziamo-il-ruby-day-in-italia/200657)
**Author:** [@nikuSESS](https://www.ruby-forum.com/u/nikuSESS)\ **Replies:** 26\ **Last updated:** [January 7, 2011, 12:07pm UTC](https://www.ruby-forum.com/t/organizziamo-il-ruby-day-in-italia/200657 "2011-01-07T12:07:03Z")
Ciao a tutti, diciamo che da un p che lo si aspetta, e finalmente i tempi sembrano maturi. Un gruppo di ragazzi, ha deciso di darsi da fare, e sta mettendo le basi per organizzare il primo ruby Day in Italia!! Al… --- ## [Ciao a tutti](https://www.ruby-forum.com/t/ciao-a-tutti/201360)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [January 6, 2011, 5:27pm UTC](https://www.ruby-forum.com/t/ciao-a-tutti/201360 "2011-01-06T17:27:49Z")
Ciao a tutti, sono un novello programmatore di ruby: ho acquistato la mini guida di apogeonline (pardon per la pubblicità). Questa è la questione: dato il seguente codice def visualizza(hsh) p hsh.keys p hsh.values … --- ## [Il respond\_to](https://www.ruby-forum.com/t/il-respond-to/195796)
**Author:** [@msan](https://www.ruby-forum.com/u/msan)\ **Replies:** 4\ **Last updated:** [January 6, 2011, 12:12am UTC](https://www.ruby-forum.com/t/il-respond-to/195796 "2011-01-06T00:12:22Z")
Non vincola il tipo di risposta? Mi spiego meglio: se in una action ho respond\_to do |format| if @delivery.save format.html { redirect\_to(\[@ruser, @delivery\], :notice =\> ‘Delivery was successfully created.’) } form… --- ## [Relacion muchos a muchos](https://www.ruby-forum.com/t/relacion-muchos-a-muchos/201260)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 0\ **Last updated:** [January 3, 2011, 9:32pm UTC](https://www.ruby-forum.com/t/relacion-muchos-a-muchos/201260 "2011-01-03T21:32:54Z")
Ya tengo lista la relacion muchos a muchos cuando se trata de dos tablas, pero no sé cómo hacerlo cuando se trata de tres tablas. Para dos tablas se crea una tabla pivote con el nombre de las dos tablas involucradas. … --- ## [Metodi all e scoped](https://www.ruby-forum.com/t/metodi-all-e-scoped/201229)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [January 3, 2011, 8:58pm UTC](https://www.ruby-forum.com/t/metodi-all-e-scoped/201229 "2011-01-03T20:58:06Z")
qual’e’ la differenza tra: Sector.all e Sector.scoped entrambi restituiscono i record nel medesimo ordine. --- ## [Developer wanted php, Ruby on Rails, SQL based in Berlin!](https://www.ruby-forum.com/t/developer-wanted-php-ruby-on-rails-sql-based-in-berlin/201246)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 0\ **Last updated:** [January 3, 2011, 4:31pm UTC](https://www.ruby-forum.com/t/developer-wanted-php-ruby-on-rails-sql-based-in-berlin/201246 "2011-01-03T16:31:31Z")
Based in Berlin we are looking for great developer for php, Ruby on Rails, SQL (male/female) Your tasks would be include: Independent project work Development and maintenance of projects in php, mysql and Ruby on Ra… --- ## [Subir imagen al servidor](https://www.ruby-forum.com/t/subir-imagen-al-servidor/200335)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 3\ **Last updated:** [January 3, 2011, 4:22pm UTC](https://www.ruby-forum.com/t/subir-imagen-al-servidor/200335 "2011-01-03T16:22:51Z")
Hola, estoy empezando a crear una web con ruby on rails y me encuentro bloqueado. Tengo una tabla “perros” y otra tabla llamada “fotos” donde guardo las rutas de las imagenes que quiero subir a “/public/images” y el i… --- ## [Pasar valor al controlador](https://www.ruby-forum.com/t/pasar-valor-al-controlador/201211)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 0\ **Last updated:** [January 3, 2011, 1:32am UTC](https://www.ruby-forum.com/t/pasar-valor-al-controlador/201211 "2011-01-03T01:32:36Z")
como puedo pasar un valor desde /view/events/show.html.erb a la accion signup del controlador event\_controler intente esto: \<%= button\_to “Sign Up”, {:action =\> “signup”, :value =\> @event.id} , :confirm =\> “Are you s… --- ## [Ruby frecuencias de radio?](https://www.ruby-forum.com/t/ruby-frecuencias-de-radio/201137)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 0\ **Last updated:** [December 31, 2010, 9:34am UTC](https://www.ruby-forum.com/t/ruby-frecuencias-de-radio/201137 "2010-12-31T09:34:50Z")
hola a todos me preguntaba si bajo ruby exite alguna manera de reproducir sonidos bajo cierta frecuencia ejemplo reproducir un archivo de audio a 32mhz?? y como poder “escuchar” a cierta frecuencia? --- ## [Redirect apache](https://www.ruby-forum.com/t/redirect-apache/201103)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [December 30, 2010, 4:06pm UTC](https://www.ruby-forum.com/t/redirect-apache/201103 "2010-12-30T16:06:13Z")
ciao, mi blocco sempre in queste cavolatine :slight\_smile: devo ridirezionare tutte le richieste per il dominio XXX directory blog verso blog.XXX attualmente ho creato una directory blog dentro public e ci ho messo u… --- ## [Rails e ubuntu](https://www.ruby-forum.com/t/rails-e-ubuntu/201076)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 4\ **Last updated:** [December 29, 2010, 9:56pm UTC](https://www.ruby-forum.com/t/rails-e-ubuntu/201076 "2010-12-29T21:56:53Z")
Salve, sono disperata…ho installato ruby on rails in ubuntu da pochissimo (grazie sopratutto al vostro aiuto). Ora che ho tutto installato e creato anche applicazione, ecc ho problemi nel creare i db (rake db:create)… --- ## [Error: private method \`gsub!' called for](https://www.ruby-forum.com/t/error-private-method-gsub-called-for/201069)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 0\ **Last updated:** [December 29, 2010, 4:37pm UTC](https://www.ruby-forum.com/t/error-private-method-gsub-called-for/201069 "2010-12-29T16:37:26Z")
Este error se me presentó al estar probando Ruby on Rails que viene instalado en LULA 2011 (Linux de Universidades LatinoAmericanas) en una PC y en una laptop (HP 6720 con 2GB de ram), haciendo la prueba del blog, el … --- ## [Destroy e delete](https://www.ruby-forum.com/t/destroy-e-delete/201063)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 0\ **Last updated:** [December 29, 2010, 11:21am UTC](https://www.ruby-forum.com/t/destroy-e-delete/201063 "2010-12-29T11:21:19Z")
Nel database uso sempre i constraints attraverso le foreign keys. Ho un Settore uno a molti con Categoria. Categoria e’ molti a molti con Fornitore. Se cerco di cancellare un settore, attraverso il metodo :destroy, il … --- ## [Observe\_field e' deprecato ma cosa al suo posto?](https://www.ruby-forum.com/t/observe-field-e-deprecato-ma-cosa-al-suo-posto/201041)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 1\ **Last updated:** [December 29, 2010, 12:18am UTC](https://www.ruby-forum.com/t/observe-field-e-deprecato-ma-cosa-al-suo-posto/201041 "2010-12-29T00:18:03Z")
Ho bisogno di fare certe operazioni ogni volta che il valore di un campo di testo cambia. Usavo l’observe\_field che funzionava perfettamente, ora con l’unobtrusive javascript gli esempi in rete suggeriscono di utilizz… --- ## [Centralizzare login](https://www.ruby-forum.com/t/centralizzare-login/200995)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 7\ **Last updated:** [December 28, 2010, 4:17pm UTC](https://www.ruby-forum.com/t/centralizzare-login/200995 "2010-12-28T16:17:12Z")
Ho due applicazioni A e B rails 3.0 con ognuna il suo database con relativa tabella users al momento usata per l’autenticazione. Usando una terza applicazione C con il suo db con tabella users che indirizza ad A e B … --- ## [Ciao a tutti](https://www.ruby-forum.com/t/ciao-a-tutti/201020)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [December 28, 2010, 2:29pm UTC](https://www.ruby-forum.com/t/ciao-a-tutti/201020 "2010-12-28T14:29:21Z")
Salve a tutti, Mi chiamo Alessio e mi sono appena inscritto a questa mailing list. Premetto che ho conoscenze molto basilari di ruby quindi spero di imparare molto qui, tuttavia ho buona familiarit con linguaggi di s… --- ## [\[OT\] Cercasi Developer Junior a Milano](https://www.ruby-forum.com/t/ot-cercasi-developer-junior-a-milano/201022)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 0\ **Last updated:** [December 28, 2010, 1:04pm UTC](https://www.ruby-forum.com/t/ot-cercasi-developer-junior-a-milano/201022 "2010-12-28T13:04:13Z")
La divisione Information Technology di SKYMAX\_DG s.r.l. ricerca una figura da integrare nel proprio organico in qualità di programmatore junior. Il candidato ideale è in possesso di diploma tecnico e/o laurea in Infor… --- ## [OT: buon natale, the ruby way](https://www.ruby-forum.com/t/ot-buon-natale-the-ruby-way/200934)
**Author:** [@nikuSESS](https://www.ruby-forum.com/u/nikuSESS)\ **Replies:** 1\ **Last updated:** [December 27, 2010, 9:45pm UTC](https://www.ruby-forum.com/t/ot-buon-natale-the-ruby-way/200934 "2010-12-27T21:45:20Z")
come da oggetto, provate questo one-liner in un terminale :wink: ruby -e “((1…20).to\_a+\[6\]\*4).each{|i|puts ('#'i2).center(80)};puts;puts ‘Merry Christmas’.center(80)” || (fonte: http://twitter.com/#!/camilleroux/sta… --- ## [Stack per applicazione rails](https://www.ruby-forum.com/t/stack-per-applicazione-rails/200984)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 0\ **Last updated:** [December 27, 2010, 2:45pm UTC](https://www.ruby-forum.com/t/stack-per-applicazione-rails/200984 "2010-12-27T14:45:16Z")
Ciao, io ed un mio amico vorremmo iniziare a scrivere un’applicazione Ruby on Rails per imparare pi nel dettaglio tecnologie/metodologie come BDD, MongoDB, git … L’idea scrivere una semplice applicazione di gestione… --- ## [Csv2ical](https://www.ruby-forum.com/t/csv2ical/200916)
**Author:** [@nikuSESS](https://www.ruby-forum.com/u/nikuSESS)\ **Replies:** 1\ **Last updated:** [December 26, 2010, 8:15pm UTC](https://www.ruby-forum.com/t/csv2ical/200916 "2010-12-26T20:15:03Z")
Ciao a tutti,mi trovo nella necessità di trasformare dei file in formato csv in ical, al fine di poterli importali in una rubrica.Ho trovato uno script che potrebbe fare al caso mio, implementandolosecondo necessità, … --- ## [Partial o on partial?](https://www.ruby-forum.com/t/partial-o-on-partial/200963)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 0\ **Last updated:** [December 26, 2010, 3:26pm UTC](https://www.ruby-forum.com/t/partial-o-on-partial/200963 "2010-12-26T15:26:08Z")
Usando lo scaffold in una nuova applicazione creata usando rails 3 ho notato che il partial \_form.hrml.erb viene chiamato con \<%= render ‘form’ %\> senza l’uso di :partial. Non e’ piu’ necessario fare \<%= render :parti… --- ## [Export e import in database e violazione chiave primaria](https://www.ruby-forum.com/t/export-e-import-in-database-e-violazione-chiave-primaria/200868)
**Author:** [@nikuSESS](https://www.ruby-forum.com/u/nikuSESS)\ **Replies:** 2\ **Last updated:** [December 23, 2010, 8:29pm UTC](https://www.ruby-forum.com/t/export-e-import-in-database-e-violazione-chiave-primaria/200868 "2010-12-23T20:29:50Z")
Uso postgres come database. Avevo necessita’ di variare la struttura di alcune tabelle cosi’ ho esportato il contenuto delle tabelle presenti in file di testo attraverso il comando COPY di postgres. Ho cancellato e r… --- ## [Problema validazione accepts\_nested\_attributes\_for](https://www.ruby-forum.com/t/problema-validazione-accepts-nested-attributes-for/200867)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 0\ **Last updated:** [December 23, 2010, 1:10pm UTC](https://www.ruby-forum.com/t/problema-validazione-accepts-nested-attributes-for/200867 "2010-12-23T13:10:22Z")
Salve a tutti, mi serve una mano per risolvere un problema di validazione. Ho un modello Project e un modell Task relazionati in modo che project :has\_many =\> :tasks . Nel form di creazione di project permetto di cre… [Previous page](https://www.ruby-forum.com/c/community/3.md?page=57) [Next page](https://www.ruby-forum.com/c/community/3.md?page=59)