Eloquent Ruby book
Eloquent Ruby by Russ Olsen is a book about the Ruby programming language that focuses on Ruby programming style by teaching you how to write your code as a real Rubyist.
Using Sprockets without a Rails/Rack project
An example of using Sprockets to preprocess and bundle CSS and JavaScript files without a Rails application.
the Rubyist
the Rubyist is a collection of conventions and standards for Ruby programmers.
Configuring Rails 3 to use HTTPS and SSL
Ways to force your Rails application to use SSL and the HTTPS protocol.
RSpec Rails doesn't render Rails views by default
RSpec (actually the RSpec Rails gem) doesn't render the content of the action by default, like the common Rails functional tests do.