# Community **URL:** https://www.ruby-forum.com/c/community/3.md?page=81 [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:** 82 --- ## [Tutorial ruby](https://www.ruby-forum.com/t/tutorial-ruby/179816)
**Author:** [@erwillie](https://www.ruby-forum.com/u/erwillie)\ **Replies:** 1\ **Last updated:** [December 4, 2009, 4:34pm UTC](https://www.ruby-forum.com/t/tutorial-ruby/179816 "2009-12-04T16:34:29Z")
Estoy intentando hacer algun ejemplo sencillo tipo Hello world en Ruby. Me leido 4 tutoriales dferentes No consigo que una vez arranco el servidor me aparezca la pagina en el navegador no se exactamente que me falla.… --- ## ["too few arguments" sur count\_by\_sql](https://www.ruby-forum.com/t/too-few-arguments-sur-count-by-sql/179808)
**Author:** [@pestak](https://www.ruby-forum.com/u/pestak)\ **Replies:** 7\ **Last updated:** [December 4, 2009, 4:23pm UTC](https://www.ruby-forum.com/t/too-few-arguments-sur-count-by-sql/179808 "2009-12-04T16:23:57Z")
Bonjour, Lorsque j’essaye de compter le nombre d’enregistrement de ma table saisies suivant une date et une personne j’obtiens l’erreur “too few arguments”. Comment dois-je procéder? Merci d’avance recherche si la … --- ## [Ordinare risultati find in base a campo esterno](https://www.ruby-forum.com/t/ordinare-risultati-find-in-base-a-campo-esterno/179718)
**Author:** [@a-mj](https://www.ruby-forum.com/u/a-mj)\ **Replies:** 10\ **Last updated:** [December 4, 2009, 11:38am UTC](https://www.ruby-forum.com/t/ordinare-risultati-find-in-base-a-campo-esterno/179718 "2009-12-04T11:38:59Z")
Buondì! Ho due quesiti da proporre! il primo, molto semplice: c’è un modo più UMANO di scrivere questo ciclo? News più commentate \<% i = 5 %\> \<% for neew in @neews\_piu\_commentate %\> \<… --- ## [Applicazione RESTful: form dati per più operazioni](https://www.ruby-forum.com/t/applicazione-restful-form-dati-per-pia-operazioni/178809)
**Author:** [@triplem](https://www.ruby-forum.com/u/triplem)\ **Replies:** 2\ **Last updated:** [December 4, 2009, 11:26am UTC](https://www.ruby-forum.com/t/applicazione-restful-form-dati-per-pia-operazioni/178809 "2009-12-04T11:26:32Z")
Come ho scritto in oggetto: ho un applicazione RESTful in cui un form dati devo usarlo per diverse operazioni, in un esempio posso avere un submit che usa i dati per creare un pdf che funga da anteprima ed un altro in… --- ## [Informacion ruby](https://www.ruby-forum.com/t/informacion-ruby/179709)
**Author:** [@erwillie](https://www.ruby-forum.com/u/erwillie)\ **Replies:** 1\ **Last updated:** [December 4, 2009, 4:32am UTC](https://www.ruby-forum.com/t/informacion-ruby/179709 "2009-12-04T04:32:34Z")
Necesito cierta información para saber si ruby es la mejor opción para la web que quiero dieseñar 1-Como funciona Ruby exactamente?, es decir, por ejemplo PHP es el servidor el que se encarga de todo traduciendo el… --- ## [Perché Hash#partition non restituisce due Hash?](https://www.ruby-forum.com/t/percha-hash-partition-non-restituisce-due-hash/179766)
**Author:** [@gderosa](https://www.ruby-forum.com/u/gderosa)\ **Replies:** 3\ **Last updated:** [December 3, 2009, 4:50pm UTC](https://www.ruby-forum.com/t/percha-hash-partition-non-restituisce-due-hash/179766 "2009-12-03T16:50:40Z")
Ciao: h = {'a' =\> 1, 'b' =\> 2, 'c' =\> 3} selected = h.select {|key, val| key \< 'b' or val \> 2} e giustamente: selected #=\> {"a"=\>1, "c"=\>3} Ora, sempre nella classe Hash, il metodo partition dovrebbe avere un compor… --- ## [Pregunta sobre Ruby y tablas en Mysql!](https://www.ruby-forum.com/t/pregunta-sobre-ruby-y-tablas-en-mysql/179745)
**Author:** [@longhorn](https://www.ruby-forum.com/u/longhorn)\ **Replies:** 0\ **Last updated:** [December 3, 2009, 12:09am UTC](https://www.ruby-forum.com/t/pregunta-sobre-ruby-y-tablas-en-mysql/179745 "2009-12-03T00:09:49Z")
Hola, acabo de empezar a programar con ruby y su frameworks rails y quiero decir que es uno de los lenguajes mas completos y faciles de aprender que he visto, yo vengo de usar php y ya que lo manejo, pues me parece un… --- ## [Problema de mapeo](https://www.ruby-forum.com/t/problema-de-mapeo/179727)
**Author:** [@elegant](https://www.ruby-forum.com/u/elegant)\ **Replies:** 0\ **Last updated:** [December 2, 2009, 6:12pm UTC](https://www.ruby-forum.com/t/problema-de-mapeo/179727 "2009-12-02T18:12:52Z")
ActionController::Routing::Routes.draw do |map| map.resources :alergias\_pacientes map.resources :citas, :member =\> { :cambiar\_estado =\> :put } map.resources :citas, :member =\> { :cambiar\_estado\_novisitado =\> :put } … --- ## [Relazioni pericolose](https://www.ruby-forum.com/t/relazioni-pericolose/179708)
**Author:** [@lorenz](https://www.ruby-forum.com/u/lorenz)\ **Replies:** 3\ **Last updated:** [December 2, 2009, 1:02pm UTC](https://www.ruby-forum.com/t/relazioni-pericolose/179708 "2009-12-02T13:02:06Z")
Chiedo scusa per il titolo stupido, ma ci sto perdendo talmente tanto tempo, che al posto di piangere mi metto a ridere. Comunque il mio problema è: ho una relazione “uno a uno” tra Download e Album e non riesco a fa… --- ## [Problème d'exécution de l'action sur l ink\_to](https://www.ruby-forum.com/t/probla-me-dexa-cution-de-laction-sur-l-ink-to/179703)
**Author:** [@pestak](https://www.ruby-forum.com/u/pestak)\ **Replies:** 2\ **Last updated:** [December 2, 2009, 11:49am UTC](https://www.ruby-forum.com/t/probla-me-dexa-cution-de-laction-sur-l-ink-to/179703 "2009-12-02T11:49:43Z")
Bonjour, Dans le footer (layouts/\_footer) de mon application, j’ai mon menu. J’ai ajouté un lien \<%= link\_to “- activité”, {:controller=\>“saisies”, :action=\>“new\_saisie\_activite”} %\> qui doit appeler dans le controle… --- ## [\[ANNONCE\] Sortie de Oupsnow 0.4.0](https://www.ruby-forum.com/t/annonce-sortie-de-oupsnow-0-4-0/179686)
**Author:** [@shingara](https://www.ruby-forum.com/u/shingara)\ **Replies:** 0\ **Last updated:** [December 1, 2009, 11:14pm UTC](https://www.ruby-forum.com/t/annonce-sortie-de-oupsnow-0-4-0/179686 "2009-12-01T23:14:12Z")
Bonjour, Ca y est, j’ai release Oupsnow 0.4.0 \\o/. Alors que la version 0.3.0 était en Merb/DataMapper, cette nouvelle version est désormais en Rails/MongoDB. Si vous voulez la tester http://oupsnow.shingara.fr Anno… --- ## [Réunion de janvier du groupe romandie.rb](https://www.ruby-forum.com/t/ra-union-de-janvier-du-groupe-romandie-rb/179672)
**Author:** [@yann](https://www.ruby-forum.com/u/yann)\ **Replies:** 0\ **Last updated:** [December 1, 2009, 4:54pm UTC](https://www.ruby-forum.com/t/ra-union-de-janvier-du-groupe-romandie-rb/179672 "2009-12-01T16:54:21Z")
Bonjour à tous, Après cette reprise en douceur, nous allons fixer la prochaine réunion en janvier où Thibaud nous fera une présentation sur Gem, GemCutter et Jeweler afin de nous initier au packaging en Ruby La réuni… --- ## [Pdf-writer](https://www.ruby-forum.com/t/pdf-writer/179663)
**Author:** [@Achraf\_Ben\_Abdallah](https://www.ruby-forum.com/u/Achraf_Ben_Abdallah)\ **Replies:** 0\ **Last updated:** [December 1, 2009, 1:46pm UTC](https://www.ruby-forum.com/t/pdf-writer/179663 "2009-12-01T13:46:29Z")
Est ce que qqun a une idée: comment remplir un tableau pdf-writer par une boucle for ou while qui lit de la base de données et affiche les données. merci d’avance. --- ## [ActionMailer::Base.delivery\_method](https://www.ruby-forum.com/t/actionmailer-base-delivery-method/178576)
**Author:** [@aprendiz\_ror](https://www.ruby-forum.com/u/aprendiz_ror)\ **Replies:** 1\ **Last updated:** [December 1, 2009, 1:21pm UTC](https://www.ruby-forum.com/t/actionmailer-base-delivery-method/178576 "2009-12-01T13:21:30Z")
Buenas, tengo una pequeña aplicacion que envia correos(cuando creo un usuario con restful\_authentication), en mi casa con widows funciona, pero cuando la instalo en la empresa que se sale por un proxy no me envia cor… --- ## [Iterare sugli elementi di un'istanza di ActiveRecord](https://www.ruby-forum.com/t/iterare-sugli-elementi-di-unistanza-di-activerecord/179661)
**Author:** [@pezzuya](https://www.ruby-forum.com/u/pezzuya)\ **Replies:** 4\ **Last updated:** [December 1, 2009, 12:23pm UTC](https://www.ruby-forum.com/t/iterare-sugli-elementi-di-unistanza-di-activerecord/179661 "2009-12-01T12:23:57Z")
Ciao a tutti. Ecco il mio nuovo problema: Devo iterare sugli elementi dell’oggetto User (id, login, name) per verificare quali di questi sono cambiati dopo “update\_attributes” solo che… non trovo il modo per farlo :… --- ## [Mod\_ruby e apache](https://www.ruby-forum.com/t/mod-ruby-e-apache/179652)
**Author:** [@salvomic](https://www.ruby-forum.com/u/salvomic)\ **Replies:** 0\ **Last updated:** [December 1, 2009, 9:31am UTC](https://www.ruby-forum.com/t/mod-ruby-e-apache/179652 "2009-12-01T09:31:34Z")
salve, finalmente sono riuscito a compilare mod\_ruby 1.30 con Ruby 1.9.1. Però poi Apache 2 non lo carica: “symbol not valid” o roba simile… Qualche consiglio? grazie, ciao salvo --- ## [String Quoting](https://www.ruby-forum.com/t/string-quoting/179604)
**Author:** [@Piero\_B](https://www.ruby-forum.com/u/Piero_B)\ **Replies:** 2\ **Last updated:** [December 1, 2009, 9:19am UTC](https://www.ruby-forum.com/t/string-quoting/179604 "2009-12-01T09:19:00Z")
Ciao a tutti, dopo diverso tempo son tornato su un vecchio progetto RoR per via di un fastidioso errore. ad esempio in un record possiendo un campo di tipo testo con il seguente contenuto: user.address = “via Roma 1… --- ## [\[biz\] Recherche formateur Ruby On Rail (lille et alentours)](https://www.ruby-forum.com/t/biz-recherche-formateur-ruby-on-rail-lille-et-alentours/179622)
**Author:** [@JSSSSrSSSSmieL](https://www.ruby-forum.com/u/JSSSSrSSSSmieL)\ **Replies:** 0\ **Last updated:** [November 30, 2009, 6:53pm UTC](https://www.ruby-forum.com/t/biz-recherche-formateur-ruby-on-rail-lille-et-alentours/179622 "2009-11-30T18:53:20Z")
Bonjour, Je recherche un formateur pour 2 à 3 jours de formation “one to one” pour acquérir rapidement toutes les compétences nécessaires sur Ruby On Rails, en environnement Mac de préférence. La formation me concern… --- ## [Calendar date Select et "invalid date"](https://www.ruby-forum.com/t/calendar-date-select-et-invalid-date/179582)
**Author:** [@tranquiliste](https://www.ruby-forum.com/u/tranquiliste)\ **Replies:** 1\ **Last updated:** [November 30, 2009, 10:24am UTC](https://www.ruby-forum.com/t/calendar-date-select-et-invalid-date/179582 "2009-11-30T10:24:04Z")
Bonjour, Je suis en train de tester le gem calendar\_date\_select et je rencontre un problème de date invalide. Ce problème apparait aléatoirement et je n’arrive pas à le reproduire de façon systématique (à part … --- ## [Cómo Adjuntar Archivos a un Modelo en Rails](https://www.ruby-forum.com/t/ca-mo-adjuntar-archivos-a-un-modelo-en-rails/179589)
**Author:** [@solidgumby](https://www.ruby-forum.com/u/solidgumby)\ **Replies:** 0\ **Last updated:** [November 29, 2009, 7:47pm UTC](https://www.ruby-forum.com/t/ca-mo-adjuntar-archivos-a-un-modelo-en-rails/179589 "2009-11-29T19:47:08Z")
Un tutorial completo sobre cómo adjuntar archivos (incluyendo imágenes) a nuestros modelos en Ruby on Rails. http://viarails.wordpress.com/2009/11/29/como-adjuntar-archivos-a-un-modelo-en-rails/ --- ## [Form\_tag pasar parámetros](https://www.ruby-forum.com/t/form-tag-pasar-para-metros/172487)
**Author:** [@rubystudent](https://www.ruby-forum.com/u/rubystudent)\ **Replies:** 5\ **Last updated:** [November 28, 2009, 12:47pm UTC](https://www.ruby-forum.com/t/form-tag-pasar-para-metros/172487 "2009-11-28T12:47:25Z")
Pues necesito pasar parametros al :action de un form\_tag, y no consigo hacerlo. Imaginemos que tenemos: def quierounparametro(parametro) … end Y en una vista: \<%= form\_tag :action =\> ‘quierounparametro’ %\> Como … --- ## [Problème de scaffold](https://www.ruby-forum.com/t/probla-me-de-scaffold/179532)
**Author:** [@bobo](https://www.ruby-forum.com/u/bobo)\ **Replies:** 16\ **Last updated:** [November 28, 2009, 9:10am UTC](https://www.ruby-forum.com/t/probla-me-de-scaffold/179532 "2009-11-28T09:10:58Z")
Bonjour à tous ! Comme beaucoup je débute l’apprentissage de ruby avec le livre “Ruby on Rails 2e édition”. Je dois avoué que je suis bloqué avec le scaffold. J’ai vu que son utilisation avait changé entre l’éc… --- ## [\[Rappel\] BlockCamp Paris demain samedi!](https://www.ruby-forum.com/t/rappel-blockcamp-paris-demain-samedi/179540)
**Author:** [@Jean-FranSSSSois\_Tr](https://www.ruby-forum.com/u/Jean-FranSSSSois_Tr)\ **Replies:** 0\ **Last updated:** [November 27, 2009, 3:56pm UTC](https://www.ruby-forum.com/t/rappel-blockcamp-paris-demain-samedi/179540 "2009-11-27T15:56:15Z")
Bonjour, Lisez ceci attentivement pour ceux qui participent au BlockCamp Paris de demain samedi. HORAIRES 10h-18h Avant 10h, on fera les derniers préparatifs, on ne refusera pas un coup de main :slight\_smile: Apr… --- ## [\[OT\] "filosofia" applicazione ajax](https://www.ruby-forum.com/t/ot-filosofia-applicazione-ajax/179515)
**Author:** [@Tud](https://www.ruby-forum.com/u/Tud)\ **Replies:** 7\ **Last updated:** [November 27, 2009, 12:30pm UTC](https://www.ruby-forum.com/t/ot-filosofia-applicazione-ajax/179515 "2009-11-27T12:30:15Z")
Ciao a tutti, io e un mio collega abbiamo scritto una web applicazion utilizzando Ruby on Rails e per la parte di visualizzazione ho deciso di usare pesantemente ajax, il risultato è che l’applicazione è una pagina ht… --- ## [Aws3](https://www.ruby-forum.com/t/aws3/179330)
**Author:** [@enzor](https://www.ruby-forum.com/u/enzor)\ **Replies:** 1\ **Last updated:** [November 27, 2009, 7:52am UTC](https://www.ruby-forum.com/t/aws3/179330 "2009-11-27T07:52:49Z")
Qualcuno ha usato il plugin per ruby che usa Amazon Web Service 3 ? Come si è trovato? Il servizio funziona bene? A che limite parte il pagamento di una cifra per la banda e lo spazio di backup? --- ## [Rails 2.3.5](https://www.ruby-forum.com/t/rails-2-3-5/179528)
**Author:** [@Jean-FranSSSSois\_Tr](https://www.ruby-forum.com/u/Jean-FranSSSSois_Tr)\ **Replies:** 0\ **Last updated:** [November 27, 2009, 1:46am UTC](https://www.ruby-forum.com/t/rails-2-3-5/179528 "2009-11-27T01:46:26Z")
NZKoz sur Twitter : http://twitter.com/nzkoz/status/6097003798 “Successfully registered gem: rails (2.3.5)” Release notes to come shortly http://gemcutter.org/gems/rails sudo gem install rails – Jean-François. – … --- ## [Collection\_select hilfe](https://www.ruby-forum.com/t/collection-select-hilfe/179512)
**Author:** [@donale](https://www.ruby-forum.com/u/donale)\ **Replies:** 0\ **Last updated:** [November 26, 2009, 4:11pm UTC](https://www.ruby-forum.com/t/collection-select-hilfe/179512 "2009-11-26T16:11:03Z")
Hallo Zusammen Ich habe erst vor kurzem mit RoR angefangen und komme mit dem collection\_select einfach nicht klar. Mein Ziel ist es, ein DropDown zu erstellen, in dem man die Zahlungsart “Ãœberweisung” und “Einzahlun… --- ## ["Pannello di controllo del log" per debug](https://www.ruby-forum.com/t/pannello-di-controllo-del-log-per-debug/179501)
**Author:** [@pezzuya](https://www.ruby-forum.com/u/pezzuya)\ **Replies:** 2\ **Last updated:** [November 26, 2009, 1:13pm UTC](https://www.ruby-forum.com/t/pannello-di-controllo-del-log-per-debug/179501 "2009-11-26T13:13:14Z")
Ciao a tutti. Stavo cercando un modo semplice per dire al mio log inidipendentemente da dove ci si trovi (vista, modello, controller) di abilitare o disabilitare la scrittura nel log per la sezione (vista, modello, c… --- ## [Gestione utenti e permessi](https://www.ruby-forum.com/t/gestione-utenti-e-permessi/179455)
**Author:** [@1w4n](https://www.ruby-forum.com/u/1w4n)\ **Replies:** 7\ **Last updated:** [November 26, 2009, 12:07pm UTC](https://www.ruby-forum.com/t/gestione-utenti-e-permessi/179455 "2009-11-26T12:07:06Z")
Ciao a tutti, volevo chiedere se qualcuno è a conoscenza di un gem oppure un plugin che oltre alla gestione dell’accesso dell’utente mediante autenticazione (ora sto provando authlogic) permetta anche una gestione co… --- ## [Outils pour faire des tests de charge](https://www.ruby-forum.com/t/outils-pour-faire-des-tests-de-charge/179489)
**Author:** [@tranquiliste](https://www.ruby-forum.com/u/tranquiliste)\ **Replies:** 1\ **Last updated:** [November 26, 2009, 10:01am UTC](https://www.ruby-forum.com/t/outils-pour-faire-des-tests-de-charge/179489 "2009-11-26T10:01:15Z")
Bonjour, Je voulais savoie quels outils existent pour faire des tests de charge et évaluer le nombre d’utilisateurs possibles dans un configuration donnée? Merci Nicolas [Previous page](https://www.ruby-forum.com/c/community/3.md?page=80) [Next page](https://www.ruby-forum.com/c/community/3.md?page=82)