Latest Screencasts

Learn how to make a site usable offline with HTML 5 localStorage. This last part of the series covers jquery-tmpl and jquery-offline.

Learn how to make a site usable offline through an HTML 5 cache manifest. This first part of the series covers rack-offline and problems you may run into.

Rails 2.3.3 brings us a new feature called "touch". See how to use this to auto-expire associated caches in this episode.

Use JavaScript to allow dynamic content in a page cache. In this episode I show you how to insert the user-specific content into a page through JavaScript.

Rails 2.2 is out! In this episode I show how to upgrade Rails and then demonstrate one of the new additions: Memoization.

Rails 2.1 brings some new caching features which makes it very easy to cache any values including models. 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.

Sometimes you only want to cache a section of a page instead of the entire page. Fragment caching is the answer as shown in this episode.

Page caching is an efficient way to cache stateless content. In this episode I will show you how to cache the dynamic javascript we created last week.

If you need to display the record count for a has_many association, you can improve performance by caching that number in a column.