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ERB Blocks in Rails 3
Blocks in ERB templates are handled differently in Rails 3.0 Beta 2. Learn all about it in this episode.
(9 minutes)
Notifications in Rails 3
Rails 3 comes with instrument support through the ActiveSupport::Notifications class. Call "subscribe" to listen to notifications, and "instrument" to send them.
(10 minutes)
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)
Routing in Rails 3
Rails 3 sports a new routing interface. In this episode I show how to translate the old interface into the new one and show off a few new features.
(13 minutes)
Upgrading to Rails 3 Part 3
Here we finish up this upgrade series by removing all deprecation warnings and fixing some problems in the view.
(9 minutes)
Advanced Queries in Rails 3
Learn some advanced techniques regarding named scopes and get an introduction to Arel in this episode.
(9 minutes)
Controllers in Rails 3
Embedded flash notices, permanent cookies, and the details of respond_with are in this episode.
(10 minutes)
Pagination with Kaminari
If you need pagination in Rails 3 try out Kaminari. It is a clean, flexible solution which uses scopes to flow nicely with Active Record queries. Did I mention it also works with Mongoid?
(8 minutes)
Routing Walkthrough Part 1
How does routing work internally in Rails 3? In this episode I'll walk you through the Rails code that makes routing possible.
(13 minutes)
ActiveRecord::Relation Walkthrough
The new Active Record query methods in Rails 3 might seem like magic at first. But in this episode I unravel how it works by browsing the Rails 3 source code.
(11 minutes)