Posts tagged as:


Here is what I’ve done to create this application:

  1. Use the ‘rails new’ command to create a rails application
  2. Set up the Gemfile
  3. Configure the Database
  4. Install Cucumber
  5. Install Rspec
  6. Install Devise
  7. Install CanCan
  8. Install jQuery
  9. Configure Devise

Download (HD) 84.2 MB
Download (iPod & iPhone) 47.4 MB


Loading multiple Ruby Gems can result in runtime errors when an incompatible version of a gem dependency is already loaded as a dependency of another gem.

Gem bundler can also pre-load and cache gems for faster loading.

Having two gems that require different versions of the same dependency can sometimes cause runtime errors. Yehuda Katz and Carl Lerche have created an elegant solution in the Gem Bundler.
Download 108.8 MB
Download (iphone & ipod) 48.8 MB