Latest Screencasts (page 4)

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.

by Geoffrey Grosenbach with content from Zed Shaw, author of Mongrel. Programmers love performance. We like to talk about it and form theories, but we don’t know how to measure it. And when we do, we don’t know what to do with the numbers we get. This screencast shows how...

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

One way to improve performance is to cut down on the number of SQL queries. You can do this through eager loading. Learn all about it in this episode!

Learn a quick way to improve performance. Just store the end result of an expensive command in an instance variable!