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Contributing to Rails with Git
If you want Rails to behave a certain way, try changing it and submitting a patch. This episode will show how to do exactly this using Git.
(11 minutes)
Gem Dependencies
In Rails 2.1 we now have the ability to set gem dependencies. Now it's easier than ever to specify which ruby gems our rails app relies on.
(6 minutes)
Request Profiling
You can use profiling to determine where the performance bottlenecks are in specific Rails actions. Watch this episode for details.
(10 minutes)
YAML Configuration File
Application configuration shouldn't be spread throughout your code base. Instead a much better place to put it is an external YAML file. See how to do that in this episode.
(7 minutes)
Sending Email
This is a brief guide to sending email in Rails. See how to configure the environment, generate a mailer, create a template, and deliver the mail.
(7 minutes)
Hacking ActiveRecord
Have you ever wanted to temporarily disable all validations? Well, ActiveRecord doesn't support this, but that doesn't mean we can't add it. This episode will show you how to open up an existing class and change its behavior.
(11 minutes)