#56 The Logger
Learn all about the logger in this episode. See how to send messages to the log and how to customize it.
Bullet
Bullet will notify you of database queries that can potentially be improved through eager loading or counter cache column. A variety of notification alerts are supported.
(6 minutes)
The Logger (revised)
The log file will show what is going on behind the scenes of a Rails request. Learn how to log messages, add tags, override formatting, and more.
(6 minutes)
Rails Middleware Walkthrough
Here I describe each Rack middleware that is included in a Rails app which will give you a better understanding of what a request goes through behind the scenes before it hits your application.
(14 minutes)
Testing Exceptions
Sometimes bad code slips into production and triggers a 500 error. Learn how to be notified of this and resolve it through integration tests.
(10 minutes)
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)