Latest Screencasts

Here I walk you through adding the ability to sort table columns in ascending or descending order by clicking the header.

Learn how to refactor a set of conditional Active Record queries using a Dynamic Delegator.

Action Mailer has been rewritten for Rails 3 providing a much cleaner API with its use of the Mail gem.

Bundler is the way to manage gem dependencies in Rails 3.0. Learn how to install gems and lock them down in this episode.

Over time a CSS file can become large and filled with unused selectors. In this episode I show how to use the Deadweight gem to determine which CSS selects you can remove.

Security is important! Here I show seven different security flaws which are common to Rails applications ranging from mass assignment to CSRF protection.

This episode shows how to encrypt the variables passed to PayPal and verify the authenticity of the payment notifications (IPN).

This episode will show you how to make a model which isn't based on Active Record. You may want to do this if a resource isn't backed by the database.

Here's five quick tips to use in views. Be sure to catch the end of the episode where I reveal an exciting contest!

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.