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• How to validate inclusion of time zone?

  - by LearningRoR

  When I try: validates_inclusion_of :time_zone, :in => TimeZone validates_inclusion_of :time_zone, :in => Time.zone This error appears: "<class:User>": uninitialized constant User::TimeZone (NameError) I'm trying to let users select any time zone of the world but since I'm based in the U.S.A. my select menu is this: <%=…

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• Devise password reset issue (new_user?)

  - by rabid_zombie

  When a user's email is inputted into the forgot password form and submitted, I am receiving an error saying login can't be blank. I looked around devise.en.yml for this error message, but can't seem to find it anywhere. Here is my views/devise/passwords/new.html.haml: %div.registration_page %h2 Forgot your password? =…

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• Observing activerecord for new records.

  - by Maxsy

  I want to implement a feature like in twitter where when new tweets show up the title changes. How to display the record when the record has just been created.

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• download multiples files in one request

  - by alexperto

  I don't know if it is posible, but I'd like to download a group of pdf's in only one request this is the way I download a particular invoice: def show @invoice = Invoice.find_by_invoice_hash params[:hash] respond_to do |format| format.html format.xml do send_data File.read( @invoice.xml_path ), type:…

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• Why does Ruby have Rails while Python has no central framework?

  - by yar

  This is a(n) historical question, not a comparison-between-languages question: This article from 2005 talks about the lack of a single, central framework for Python. For Ruby, this framework is clearly Rails. Why, historically speaking, did this happen for Ruby but not for Python? (or did it happen, and that framework is…

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• routes in rails 3 .. basic routes issue

  - by piemesons

  I m having a controller users in which there are three actions show, update and prepare and there respective views in views/users directory Now when i am trying this:-- http://localhost:3000/users/prepare I am getting an error No route matches "/users/prepare" can anybody explain me how to specify this routes in…

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• yield in ERB without rails

  - by fursie

  Hi How can I use yield for template inheritance in erb? I want to use erb in a plain ruby CGI script and want to use a base template and subtemplate like it Rails with the application template does.

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• How to render in rails metal?

  - by fursie

  Hi I want to use a custom template file which shoud use the base layout file (app/view/layouts/application.html.erb) in a Rails metal code. Can somebody give me some hints what I need to require or how I can do that?

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• best way to receive email for multiple domains with multiple user accouts into rails app

  - by rick moss

  hi all I have a cms that runs on multiple domains and therefore needs to pull emails into the app for multiple email addresses. I have setup rackspace email for a hosted email solution and am trying to find the best way to pull the emails into my app from all the mailboxes. Should i be using pop3 or imap ? should i…

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• Getting rails application from github to debian server

  - by Micke

  Hello. I've been developing my first rails application on my windows computer. But now i have been setting up a debian server with nginx and passanger. I've been using Github to keep track of my application and now i am wondering how i can get the Github version of my application to the debian server and put it in…

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• collaborative filtering in rails

  - by holden

  I'm looking for a solution for collaborative filtering in rails or even possible examples. So far I have only found acts_as_recommendable which looks useful but I noticed it hasn't had any updates in the last 2 years. Does anyone know of any other solutions and/or examples?

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• Rails 3 on dreamhost?

  - by p33t3r

  I'd like to deploy a small Rails 3 app on dreamhost (just testing purposes, nothing serious) and I am wondering if anyone did it already... please chose one of I did it and it's super easy, here's how: ... Though I didn't try it, it should be easy, here's how: ... It's quite complicated, but this should get you…

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• question regarding rails framework code

  - by Joseph Misiti

  I noticed that the code in the rails framework is using the following convention all over the place: class SomeClass class << self def some function end end end rather than class SomeClass end def SomeClass.function end and class SomeClass def self.somefunction end end What is…

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• Determining Odd Bottleneck with Rails/Unicorn/CentOS

  - by Caleb

  I have this odd bottleneck that I can't seem to put my finger on. My rails app randomly stalls which causes unicorn workers to restart. I can't seem to recreate it locally. My log shows odd things like this: Completed in 8892ms (View: 14, DB: 12) Ideas?

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• Transition from restful authentication to authlogic in not working in rails

  - by user163352

  I'm using restful authentication in rails. Now I just want to change it to Authlogic. I used acts_as_authentic do |c| c.transition_from_restful_authentication = true end and changed the password and salt field to 128 characters.But, if I create a new user crypted password length is 40 characters…

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• Labeled fixtures for associations in Rails 3 broken

  - by elsurudo

  After upgrading to Rails 3, fixtures that refer to other labelled fixtures (for relationships) stop working. Instead of finding the actual fixture with that name, the fixture label is interpreted as a string. Example: # Dog.yml sparky: name: Sparky owner: john # Person.yml john: name: John Where…

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• Render public html for dynamic banners in Rails ?

  - by benoror

  Hi, I would like to render specific HTML snippets for displaying banners, because each banner has a different nature (some images, some flash, etc). Every banner file is under app/public/banners/. I tried many ways, like: render :file => "/banners/somebanner.html" But it can't locate the file, because…

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• Rails 3 equivalent of complex SQL query

  - by Bryan

  Given the following models: class Recipe < ActiveRecord::Base has_many :recipe_ingredients has_many :ingredients, :through => :recipe_ingredients end class RecipeIngredient < ActiveRecord::Base belongs_to :recipe belongs_to :ingredient end class Ingredient < ActiveRecord::Base end …

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• Does Rails need database-level constraints?

  - by shrimpy

  I have the same problem as in the following post. So I am wondering, why doesn't Rails support generating foreign keys by default? Isn't it necessary? Or are we supposed to do it manually?

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• JS and Rails site wide announcements

  - by pcasa

  Tried doing http://davidwparker.com/2008/09/17/site-wide-announcements-in-rails-using-jquery-jgrowl/ Am really bad with JS. Think I am messing up on the last part where it says "This code goes in your application.js file (somewhere in $(function){ //here })" Am I not suppose to do a link_to_function…

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• Rails Controller

  - by Steve

  Hi...In Rails, is it ok to define logic in a controller with a model. For example, take there is an User Model, which is good design. 1)Leaving the UserModel with the CRUD models and moving all the other User Specific actions to a separate controller or 2)Add the user specific actions to the same…

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• loading data into rails applicaton

  - by ash34

  Hi, I have a list of rows in an excel sheet which I need to load as historical transactions into a table in my rails applications. I saved the excel file as a csv file. I tried using csv from the standard library but keep getting the following exception CSV::IllegalFormatError. Not sure how to…

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• rails plugin for twitter, facebook and openID

  - by ed1t

  Is there a rails plugin which can handle authentication with facebook, twitter and openID providers (ex. google, yahoo...)

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• rails convert string to number

  - by Yang

  hi guys, i am wondering is there a convenient function in rails to convert string with negative signs into a number. e.g. -1005.32 when i use to_f method, the number will simply become 1005 with the negative sign and decimal part being ignored. thanks in advance!

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• Loading a page into memory in Rails

  - by titaniumdecoy

  My rails app produces XML when I load /reports/generate_report.xml. On a separate page, I want to read this XML into a variable and save it to the database. How can I do this? Can I somehow stream the response from the /reports/generate_report.xml URI into a variable? Or is there a better…

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