controllers episodes

How do you use jQuery with Rails? In this episode I redo episode #43 using jQuery instead of Prototype/RJS.

Have you ever wanted to access helper methods outside of the view layer? In this episode I show you a couple ways to do just that.

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.

In need of a background process? You may be able to accomplish this with a simple Rake task. See how in this episode.

Discover how to dynamically change the layout using content in the database. Check out this episode for details.

You know those invitation systems where a given user can invite a number of other people to join? That's what I show you how to make in this episode.

Learn how to unleash the full potential of subdomains with the subdomain-fu Rails plugin in this episode.

Static pages can sometimes be a little awkward to add to a Rails app. See a couple different solutions to this problem in this episode.

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.

Action caching behaves much like page caching except it processes the controller filters. You can also make it conditional as seen in this episode.