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Service Objects
Models can quickly become a grab-bag of unrelated methods if behavior is constantly being pushed from the controller. Here I show how to refactor this using Concerns and Service Objects.
(12 minutes)
Dangers of Model in Session
Be careful when storing a model in a session. It will behave differently than you expect and can easily get out of sync with the database. Instead of storing the model directly in the session, store the id to the model and use that to fetch it from the database.
(5 minutes)
Mobile Devices
Change the look and behavior of a Rails app on mobile devices. Also use jQTouch to build a native-looking interface.
(13 minutes)
Going Back
This episode demonstrates a couple ways to redirect the user back to a previous page. Applying this to your site can help minimize the user's need to press the back button.
(4 minutes)
Site Wide Announcements
Sometimes you need to display an administrative announcement to every page on the site and give the users the ability to hide the announcement. See how in this episode.
(13 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)
OpenID Authentication
Ever wonder how to implement OpenID authentication in your Rails app? This episode will show you how to add it to a site with an existing authentication system.
(11 minutes)