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Webrat
If you prefer writing integration tests in ruby instead of Cucumber's plain english, consider interacting with Webrat directly as I show in this episode.
(7 minutes)
Sortable Lists
Creating drag & drop sortable lists is fairly easy using Prototype and the built in helper methods. See how in this episode.
(8 minutes)
PayPal Express Checkout
PayPal Express Checkout is easy to add to an existing ordering system. See how in this episode.
(15 minutes)
Rails Engines
Rails 2.3 brings us much of the same functionality as the Rails Engines plugin. Learn how to embed one application into another in this episode.
(8 minutes)
Dynamic Layouts
Discover how to dynamically change the layout using content in the database. Check out this episode for details.
(11 minutes)
Exception Notifications
If you're running a production site, it's a good idea to record all exceptions which occur. See how to set up a notification system which does that in this episode.
(8 minutes)
restful_authentication
Need multiple user authentication? If so, the restful_authentication plugin is a great way to go. It will generate some basic authentication code for you which is good starting point to your authentication system. Watch this episode for details.
(9 minutes)