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)

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)

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)

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)

The stack trace can be a very useful tool when it comes to debugging. Learn the ins and outs of how the stack trace works in this episode. Note: I am using an older version of the Rails bundle here so it might be a little different than yours. The command in the newer version is called Install Plugin and requires you to type textmate_footnotes in the search. (4 minutes)

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)

Learn all about the logger in this episode. See how to send messages to the log and how to customize it. (9 minutes)