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migrations x
Exception Notifications
If you're running a production site, it's a good idea to record all exceptions which occur. See how to set up a notification system which does that in this episode.
(8 minutes)
Time Zones in Rails 2.1
In the past, time zones have been very difficult to work with, but no longer! Rails 2.1 brings with it great time zone support as you can see in this episode.
(6 minutes)
restful_authentication
Need multiple user authentication? If so, the restful_authentication plugin is a great way to go. It will generate some basic authentication code for you which is good starting point to your authentication system. Watch this episode for details.
(9 minutes)
Two Many-to-Many
There are two different ways to set up a many-to-many association in Rails. In this episode you will see how to implement both ways along with some tips on choosing the right one for your project.
(9 minutes)
Adding an Environment
Rails comes with three environments: development, test, and production. But, you aren't restricted to just these. You can add your own! See how in this episode.
(3 minutes)
Counter Cache Column
If you need to display the record count for a has_many association, you can improve performance by caching that number in a column.
(7 minutes)