Here's a neat little helper you might like which displays the name of the current template file and other information, especially for development and debugging.

Here's a simple example of using Rspec with a controller.

Here are specs for the restful_authentication plugin that work with Rspec on Rails 1.03

This makes me laugh

Here's a review of several authorization add-on's for Rails. Whereas "authentication" refers to managing user login credentials, "authorization" is about managing role-based permissions to access specific areas of your site. [May 15, added Super Simple Authorization to the list]

Why/when would you use has_one versus extend the model with more fields?

Often a page needs to contain a list of items maintained in a different model. This little enhancement to our Micro-CMS facilitates these content pages with minimal effort.

Here's some enhancements to my Micro-CMS tutorial, including adding an HTML editor (TinyMCE), authentication (with acts_as_authenticated), and email notifications.