Top "Railscasts" questions

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

Display a Twitter feed from a Rails app

I have been able to have a user sign in with Twitter via OmniAuth (I followed Railscast #235-6 and made …

ruby-on-rails twitter omniauth railscasts
Rails 3 Nested Models unknown attribute Error

I have a model "Issue" and a nested Model "Relationship" In the issue.rb I have mentioned: has_many :relationships, :…

ruby-on-rails ruby-on-rails-3 nested-forms railscasts
ActiveSupport::TimeZone list of strings for offset

I've followed Ryan Bate's railscast #106 http://railscasts.com/episodes/106-time-zones-revised which adds a time_zone string to the User model. …

ruby-on-rails timezone activesupport railscasts
rails excel mime-type - how to change default filename?

I followed the http://railscasts.com/episodes/362-exporting-csv-and-excel and set up an Excel Download in my Rails application. My controller …

ruby-on-rails mime-types railscasts
Ruby map method syntax question

Possible Duplicate: What does map(&:name) mean in Ruby? I was watching railscasts more virtual attributes episode. In that …

ruby-on-rails ruby ruby-on-rails-3 railscasts
multiple image uploads in a nested form with carrierwave

I'm following railscasts episode 381 in an attempt to allow multiple image uploads to my app with the carrierwave gem & …

ruby-on-rails ruby-on-rails-3 carrierwave nested-forms railscasts
Railscasts #241 NoMethodError undefined method `[]' for nil:NilClass

There is a NoMethodError in SessionsController#create. The twitter authentication page occurs but the callback URL is not working. The …

ruby-on-rails ruby omniauth railscasts
Can't get rails search form to work with simple_form and sunspot

I have a simple rails app that uses the simple_form gem for forms and I am trying to set …

ruby-on-rails search simple-form sunspot railscasts