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Ruby on Rails is an open source full-stack web application framework written in Ruby. It follows the popular MVC framework model and is known for its "convention over configuration" approach to application development.

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Rails-2 How to write test case for before_filter in Application controller

I have a Rails-2.3.10, The application just works fine. we have one error in our application. The Error scenario is : Some times a user directly trying to accessing the application page without ...
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Display 2 attributes in jQuery TokenInput text field

I have been following Railscasts episodes #258 & #382 to create a tag model which uses jQuery TokenInput to dynamically populate the question tags textfield so a user can create or add tags. ...
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how to see what attribute is giving me this error: value too long for type character varying(255)

I'm trying to deploy my rails app with heroku. I ran heroku run rake db:migrate and that worked fine. Then I tried running heroku run rake db:seed and I got this error: value too long for type ...
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Ruby “We're sorry, but something went wrong.” — No errors in logfile

I just deployed my ruby app on my new virtual linode server The app worked fine on my own computer, but it won't run on the new server, it just gives me the error "We're sorry, but something went ...
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Updating avatar on Ruby on Rails with paperclip

I've looked around and I cannot figure out why this is working. I allow users to sign up, without needing them to upload avatars at first. However, if they wish, they can upload avatars after signing ...
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Add an array of records at the beginning of another array of records

Let's say I got two array of database's records. I'd like to add the second one at the beginning of the first one. I've look into insert (at a spefic index), but it would result in inserting the ...
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Didactic/complete non blog/cms rails tutorials

I've known ruby for a while, but never used rails seriously until one month ago, currently I am a PHP developer, but got a rails job that will start soon and want to get up to speed as much as I can ...
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Rspec case for rails 4 patch :update

I am using Devise in my app, and trying to write a spec for updating email ID. The UI works, but the spec is failing. I am reloading the user object as well, before testing against changed email ID. ...
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Rails: Optimizing queries to database for has_many relationship

In my User model: class User < ActiveRecord::Base has_many :received_messages :foreign_key => 'recipient_id end In the index action of my messages controller, I ...
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my app break after updating rubygems and bundler

i had an application created with rubygems package manager 1.8.24 and bundler 1.2.4, today i update my rubygems and bundler to the latest verstion with these commands : gem update --system and gem ...
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Rails: Submit button outside form_tag

I'm using a button to perform processing in a group of selected check-boxes. The solution is based on RailsCast #165. It's all working fine, but only if the submit_tag button is contained within the ...
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How do I use threads to write to my database?

I'm using the thread pool discussed in https://github.com/meh/ruby-thread to spawn multiple downloaders. I'm trying to download the contents of many RSS feeds, nearly 200K feeds in total, but I'm ...
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Analogue of 'workless' gem for Web Dynos on Heroku

I've recently found an awesome gem "workless", which allows to scale workers automatically and switch them off when they are not in usage. This is really nice, and have already saved me a lot of ...
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Parent fields are all nil when accessed by child (embedded 1-n)

I have a 1-n relationship defined as follows: class User field :email, type: String embeds_many :papers end class Paper embedded_in :user end If I try and access the parent fields (user) ...
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HABTM works from console but not from app

I can create HABTM from console but not from app. I think I can assume my HABTM setup in my models/DB is correct because this works: Location.create(name: "test10", longitude: "1.0", latitude: ...

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