Latest Screencasts (page 2)

Here, at long last, is a recording of the Prime Factors Kata in Ruby, done to the tune of the Flower Duet from Lakme’.  This version is much more polished than previous versions, though is still not perfect.  It will take many more weeks of practice to perfect. Many things have changed since the last version.  [...]

For this kata I flipped through http://codekatas.org to try and find something that interested me and that wasn't too similar to some of the others that I knew were being worked on. After a little while, Back to the Checkout stood out.

So, the RSpec book is almost out of beta. I’ve been through parts of it off and on over the last couple years, and I can highly recommend it. Through the book, as an example of building a real application with the BDD workflow, a codebreaker game is created. The rules are simple: the computer [...]

For my first kata I have chosen the Ruby Quiz #22: Roman Numerals. The original quiz is split into two parts; converting a number to it’s roman numeral and converting a roman numeral to it’s arabic representation. In my kata I only perform the former as I wanted to keep the kata as short as possible. I [...]

My inaugural code kata is the venerable Ruby Quiz #14: LCD Numbers. This is a fun exercise, as it exists it two distinct parts: single-digit and multi-digit. I appreciate the natural move between them, and I often find myself focusing on one side or the other, starting from scratch and working until I have single-digit [...]