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Globalize3
Episode #338Apr 04, 201223 comments

Globalize3

Rails has great internationalization (I18n) support making it easy to translate static text into other languages, but how do we translate database content? Learn how using Globalize 3 in this episode. (5 minutes)
ActiveAttr
Episode #326Feb 21, 201213 comments

ActiveAttr

ActiveAttr provides what Active Model left out. If you need to create a table-less model with features similar to Active Record, watch this episode. (5 minutes)
Mongoid
Episode #238Nov 01, 201056 comments

Mongoid

Mongoid is a polished, high-level Ruby gem for accessing MongoDB. Here I cover installation, adding fields, validations, associations, and keys. (11 minutes)
Dynamic attr_accessible
Episode #237Oct 25, 201047 comments

Dynamic attr_accessible

It is important to use attr_accessible for security with mass assignment, but what if you need it to be dynamic based on user permissions? See how in this episode. (9 minutes)
Active Model
Episode #219Jun 21, 201033 comments

Active Model

In Rails 3 the non-database functionality of Active Record is extracted out into Active Model. This allows you to cleanly add validations and other features to tableless models. (6 minutes)
MongoDB and MongoMapper
Episode #194Dec 28, 200954 comments

MongoDB and MongoMapper

MongoDB is a document based database engine. Learn how to access it through MongoMapper in this episode. (13 minutes)
More on Virtual Attributes
Episode #167Jun 22, 200928 comments

More on Virtual Attributes

Use a virtual attribute to implement a simple tagging feature. In this episode I show you how to assign virtual attributes through a callback instead of a setter method. (7 minutes)
Non Active Record Model
Episode #121Aug 04, 200824 comments

Non Active Record Model

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. (12 minutes)
Session Based Model
Episode #119Jul 21, 200842 comments

Session Based Model

If you have a lot of logic associated with the data inside a session, you'll need some central location to put this logic. See how to create a session based model in this episode. (13 minutes)
scope_out
Episode #76Oct 22, 200716 comments

scope_out

The scope_out plugin will generate several helpful find methods for you automatically! It's the best way to move the find conditions into your model. Watch this episode for details. (6 minutes)