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Debugging x
Better Errors & RailsPanel
Here we take a look at two tools to aid us in development: Better Errors which makes it easier than ever to debug exceptions, and RailsPanel, a Chrome extension to see Rails requests.
(8 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)
Debugging Ruby (revised)
This episode will show you how to debug a rails app using the "debugger" gem: set a breakpoint, inspect variables and change the executed code at runtime.
(7 minutes)
Exception Notifications (revised)
Few things are worse than seeing a "Something went wrong" 500 error on your production application. Here I show how to be notified when this happens using exception_notification and mention several other alternatives.
(6 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)
Logging Variables
Have you ever wanted to easily log all variables? Now you can by using some advanced Ruby concepts as shown in this episode.
(6 minutes)
The Logger
Learn all about the logger in this episode. See how to send messages to the log and how to customize it.
(9 minutes)
Debugging with ruby-debug
This episode will show you how to debug a rails app using ruby-debug: set a breakpoint, inspect variables, change the code and more.
(8 minutes)
Debugging RJS
RJS and AJAX can be difficult to debug. Many times you don't get any error message in the browser. Learn different techniques for solving these tricky problems in this episode.
(7 minutes)