Latest Screencasts

There are a number of libraries to help create graphs. Here I show how to integrate Highcharts into a Rails app.

The router in Rails 3 is fully compatible with Rack. Learn how to embed Sinatra into an app, handle redirects, and improve on Rails Metal.

The :include and :joins options for the find method can be a little confusing because they are so similar. In this episode I show specifically when to use which option.

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.

Metric Fu is a compilation of several tools to help find areas of code that could be improved. In this episode I show you how to setup this tool on the railscasts.com source code.

Ever want to know what Rails is doing under the hood during a request? In this episode I show three different profiling tools: New Relic RPM, FiveRuns TuneUp, and Rack::Bug.

Rails Metal is a way to bypass the standard Rails request process for a performance boost. In this episode you will learn how to shave off a few milliseconds using Metal.

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

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