Latest Screencasts (page 4)

In this first EnvyCast we take a look at several advanced features of ActiveRecord, including: loading large data sets, foreign keys, using and abusing include, counter caching properly, polymorphic associations, single table inheritance, new rails 2.1 features.

Want to create a Ruby Gem instead of a Rails plugin? In this episode I will walk you through creating a gem to extend Rails.

Have you ever wanted to access helper methods outside of the view layer? In this episode I show you a couple ways to do just that.

Active Record models are the foundation of your Rails application. With a well-designed layer of models, your application is solid. You can make business logic changes easier, keep the integrity of your data in check, and better optimize the interaction with your database. Learn how to get the most out of the Active Record from Ryan Bates, one of the most experienced Rails developer (and screencasters) in the community.

Have you ever wanted to fill up a database with a lot of test data? See how to do that in this episode using the populator and faker gems.

You know those invitation systems where a given user can invite a number of other people to join? That's what I show you how to make in this episode.

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.

If you need a full text search engine, Thinking Sphinx is a great solution. See why in this episode.

Rails 2.1 brings some new caching features which makes it very easy to cache any values including models. See how in this episode.

If you want Rails to behave a certain way, try changing it and submitting a patch. This episode will show how to do exactly this using Git.