Latest Screencasts

ActiveRecord 3.0’s big new feature is a brand new finder API that is backed by ActiveRelation, or Arel for short. Arel is a Ruby implementation of relational algebra. This week’s screencast will be a hands-on demonstration of the new ActiveRecord finder API and an article that will cover the topic...

In this week’s screencast, I take you through a tour of the new ActionMailer features in the context of a live application. Read on after the screencast for more in-depth information on the topics covered in the screencast. Behind the Scenes The biggest change (and in fact the change that...

Rails 3 revolutionizes gem dependency management by including a new library called Bundler. This new system supersedes the old config.gem system that was built in to Rails 2. It provides all of the functionality of that system and a lot more — now you can be confident that the gems...

In this our first Rails Dispatch content push, we’ve got two great pieces of content for you: Rails 3 introduces a series of brand new features that will make your Rails applications better and your experience more pleasant. In today’s post, I’m going to cover some of the most important...