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Active Record Queries in Rails 3
Rails 3 introduces a new query interface for performing finds in Active Record. See how it works along with the changes in named scopes.
(10 minutes)
Nested Model Form Part 1
Handling multiple models in a single form is much easier with the accepts_nested_attributes_for method. See how to use this method to handle nested model fields.
(11 minutes)
Tableless Model
If you want to create a model without a database backend, you simply need to define a couple methods in the model like I show in this episode.
(8 minutes)
Embedded Association
Learn how to set up a one-to-many or many-to-many association which is entirely embedded into a single column through a string or bitmask.
(14 minutes)
Include vs Joins
The :include and :joins options for the find method can be a little confusing because they are so similar. In this episode I show specifically when to use which option.
(11 minutes)
Seed Data
Rails 2.3.4 includes a conventional way to add seed data to your application - no more including it in the migration files.
(7 minutes)
7 Security Tips
Security is important! Here I show seven different security flaws which are common to Rails applications ranging from mass assignment to CSRF protection.
(14 minutes)
Model Versioning
If you need to keep track of a model's history of changes and switch between versions, consider using the vestal_versions gem like I show in this episode.
(9 minutes)
Searchlogic
Searchlogic makes searching models easier than ever with its assortment of named scopes. In this episode I show you how to create simple and advanced searches.
(13 minutes)
Feed Parsing
Learn two different techniques for parsing an RSS feed using Feedzirra in this episode!
(10 minutes)