Latest Screencasts (page 5)

In Rails 2.1 we now have the ability to set gem dependencies. Now it's easier than ever to specify which ruby gems our rails app relies on.

Rails 2.1 Release Candidate 1 was just released! In this episode I will show you how to install it into your Rails project.

You can use profiling to determine where the performance bottlenecks are in specific Rails actions. Watch this episode for details.

In order to improve performance of your Rails application you need to find the bottlenecks. A great starting point is your production log. In this episode you will see how to use RAWK to analyze your log file and determine which controller actions take up the most processing time.

Git has been getting a lot of buzz lately, and for good reason. It's an excellent SCM which in many ways is more simple and powerful than subversion. See how to set up a Rails project with Git in this episode.

In AJAX Essential Training, instructor Dori Smith shows experienced web developers how to utilize AJAX to best create dynamic pages. The course covers selecting the best tools for the job (HTML, CSS, JavaScript, XML), understanding all aspects of HTTP from requests to responses, and creating dynamic forms and maps from...

Have you ever wanted to easily log all variables? Now you can by using some advanced Ruby concepts as shown in this episode.

Application configuration shouldn't be spread throughout your code base. Instead a much better place to put it is an external YAML file. See how to do that in this episode.

by Geoffrey Grosenbach. Technical consulting by Prototype Core Team Member Justin Palmer. Did your first few years of Javascript programming consist of “copy” and “paste”? It’s time to learn it right! Javascript is a highly dynamic language with many interesting features which most developers never learn. Yet familiarity with Javascript...

Rake is one of those tools that you don't realize how powerful it is until you start using it. In this episode you will learn how to create custom rake tasks and improve them by using rake features.