When an exception is raised in development you get the full error along with the stack trace. In production, only a simple message is displayed. Learn why this is and how to customize the handling of exceptions. (8 minutes)

See how to select multiple items using checkboxes and perform an action on the selected items in this episode. (10 minutes)

In edge rails (soon to be Rails 2.0), the built-in pagination has been moved into a plugin: classic_pagination. I recommend jumping over to the will_paginate plugin as shown in this episode. (6 minutes)

The best way to contribute to the Rails project is to submit a patch. This episode shows how to do exactly that. There's also a surprise at the end that you don't want to miss! (14 minutes)

The Rails API docs are very useful but can be difficult to read. This episode will give some tips on reading the docs and mention a few alternative sites for accessing the API. Update: sorry about the broken movie, it should work now. (6 minutes)

The Rails console is one of my favorite tools. This episode is packed with tips and tricks on how to get the most out of the console. (10 minutes)

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)

Sometimes you need to add complex/dynamic routes. This is often impossible to do in routes.rb, but do not worry. It can be accomplished with a catch-all route. See how in this episode. (5 minutes)

This episode is packed with little RJS goodies. Learn the different ways to access an element, how to add "if" conditions and how to apply an effect to multiple elements. (7 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)