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Rails 3.0 x
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)
Metrics Metrics Metrics
Metric Fu, Metrical, SimpleCov, Rails Best Practices, and more are covered in this episode on metrics.
(7 minutes)
MetaWhere & MetaSearch
MetaWhere provides a way to do complex find conditions without SQL in Active Record. MetaSearch makes it easy to create search forms with many find options.
(8 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)
Search, Sort, Paginate with AJAX
Many administration pages have search, sorting, and pagination on the index page. See how to add all of this including AJAX.
(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)
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)
Routing Walkthrough Part 2
In this episode we continue our look into the Rails 3 router by exploring the Mapper class.
(13 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)
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)