Top "Railscasts" questions

Short Ruby on Rails screencasts containing tips, tricks and tutorials.

OmniAuth & Facebook: certificate verify failed

I've followed Railscast #235 to try and set up a minimal Facebook authentication. I've first set up a Twitter authentication, as …

ruby-on-rails facebook railscasts omniauth
Setting Environment Variables in Rails 3 (Devise + Omniauth)

I've been trying to figure out how Ryan Bates, in his Facebook Authentication screencast, is setting the following "FACEBOOK_APP_…

ruby-on-rails ruby-on-rails-3 environment-variables omniauth railscasts
undefined method `key?' for nil:NilClass

I'm new to Rails and was following Ryan Bate's tutorial on how to make a simple authentication system (http://railscasts.…

ruby-on-rails authentication ruby-on-rails-3.2 rails-activerecord railscasts
carrierwave - rails 3.1- undefined method: image_will_change

I get an error that look like this: undefined method `post_image_will_change!' for #<Post:0xf4e9184&…

ruby-on-rails-3.1 carrierwave railscasts
Adding dynamic fields to nested form through AJAX

I've been watching and reproducing these railscasts on my app: 196-nested-model-form-part-1 and 197-nested-model-form-part-2. I do not yet have a pro …

ruby-on-rails ajax nested-forms railscasts
Rails 3 Edit Multiple Records in a Single Form

I've been stuck on this problem for a couple of days now. I've have some success with Railscasts Episode #198, but …

forms ruby-on-rails-3 editing railscasts
Gettin 500 Internal Server Error in rails on ajax request

I'm trying to create a record from a form. I've used railscast 136 as ground work. When I trying to submit …

jquery ruby-on-rails ajax railscasts
How to use Elasticsearch on Heroku

I've just finished watching both Railscasts' episodes on Elasticsearch. I've also went ahead and implemented it into my rails application (3.1) …

ruby-on-rails ruby-on-rails-3 heroku full-text-search railscasts
undefined method `admin?' for nil:NilClass

I followed railscast #250 Authentication from Scratch & got everthing wworking fine. Now I'm trying to only display edit & destroy …

ruby-on-rails ruby-on-rails-3 authentication authorization railscasts
Stripe: error messages when Creating a Customer &/or Charge - Ruby on Rails

I am implementing Stripe in my Rails app & get an Invalid Token error when I load the entry form …

ruby-on-rails-3 debugging token railscasts stripe-payments