Latest Screencasts

Learn how to refactor a set of conditional Active Record queries using a Dynamic Delegator. Watch this screencast

In this screencast Renzo Borgatti introduces MacRuby, a Mac OS X implementation of the Ruby language. After a brief introduction and some examples from the command line, Renzo guides us in building an application with Xcode and, finally, with HotCocoa, an idiomatic library that allows us to program graphical interfaces... Watch this screencast

Bundler is the way to manage gem dependencies in Rails 3.0. Learn how to install gems and lock them down in this episode. Watch this screencast

Blake Mizerany from Heroku shows off the company's cloud platform for Ruby applications. The talk covers Heroku basics, Sinatra, Ruby development, and scaling. Watch this screencast

Continuing our series of ‘Same Kata, Different Languages,’ we have a very special performance in Python by Gary Bernhardt: Gary Bernhardt is an independent software contractor in Seattle specializing in the dynamic languages Python and Ruby. A brutal minimalist, he is bent on the destruction of all existing software except Emacs and Vim, the two One True Editors. Gary’s a [...] Watch this screencast

Here I show several of my favorite web applications which I found most helpful as a Ruby developer over the past year. Watch this screencast

Mechanize extends the power of Nokogiri allowing you to interact with multiple pages on the site: click links, submit forms, etc. Watch this screencast

Roy Osherove and Gil Zilberfeld of TypeMock talked about the katacast series on their podcast, ‘This Week in Testing,’ and called me out to do Roy’s standard TDD practice, String Calculator. There are a few screencasts of this kata in C# linked from his page, which are well-worth watching. It is always interesting seeing the [...] Watch this screencast

Scott Motte talks about iPhone development using the Titanium Mobile framework, including how to build a basic app. Bonus content: download the slides from this talk. Watch this screencast

Pickle adds many convenient Cucumber steps for generating models. Also learn about table diffs in this episode. Watch this screencast