#24 The Stack Trace
Apr 27, 2007 | 4 minutes | Debugging
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.
Rails Modularity
Rails is a modular framework allowing you to include only what you need. Here I show how the smallest Rails app works, and then I take a look at how to whittle down a full Rails application stack.
(13 minutes)
Copycopter
Copycopter provides a nice interface that clients can use to edit the text in a Rails application. Learn how to deploy a Copycopter server using Heroku and integrate it in a Rails application through I18n.
(6 minutes)
Deploying to a VPS
Deploying a Rails application can be overwhelming because there are so many different options. Here I present a pattern for deploying a Rails app to a VPS using nginx, Unicorn, PostgreSQL, rbenv and more.
(18 minutes)
Rails Metal (revised)
Rails metal may have been removed in Rails 3, but it is possible to bypass the entire Rails stack through middleware as shown in this episode.
(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)
