Items in craftsmanship 2022 Self-Study in December 2022 Dec 1 2016 Self-Study in June 2016 Jun 1 2016 Self-Study in April 2016 Apr 1 2016 Self-Study in March 2016 Mar 2 2015 Craftsmanship analogy Jul 27 2015 Practical Object-Oriented Design in Ruby: Chapter 4 Jul 26 2015 Self-study in July 2015 Jul 1 2015 Self-study in May 2015 May 9 2015 The Guardian of the Source Apr 17 2015 Open Space: Code reviews Mar 16 2015 Polishing your tools Feb 22