Wouldn't it be awesome if ActiveRecord didn't make you think about eager loading and it just did the "right" thing by default? With Goldiloader it can!

When displaying a count of records, this will generate extra SQL Queries. Learn how to reduce the number of SQL queries called with counter caching the number of associated records.

This is a Rails library which integrates with Active Records and provides some awesome user-initiated string interpolations for your web apps. For example, have you ever needed to allow users to insert their own variables into e-mail templates or messages?

With strong params replacing attr_accessible, a difficulty has arisen with referencing to the structure of your models. With annotate, we can generate the structure of our models in the comments of our models.

In this episode, we look at different authorization approaches from the most simple to more complex scenarios.