These pages are "under construction". That means that I haven't added some of the content planned.

• Trigonometry (10 June 2021)
• Setting up the Yamaha RTX1200 (21 October 2017)
• Dog house and enclosure made from pipes and a table (22 January 2017)
• Heated dog kennel (22 January 2017)
• Japanese pipe and connector sizes (23 December 2016)
• What is the largest lathe in the world? (29 November 2016)
• Equivalents in Perl and Python (14 December 2013)
• Make a retrospective Changes for a CPAN distribution (3 October 2013)
• Perl Cairo tutorial (30 September 2013)
• Equivalents in Perl and Octave (23 April 2013)
• Useful tools for CPAN (14 April 2012)
• Techniques for avoiding problems in C programming (6 September 2011)
• A dictionary of troff commands (1 September 2011)
• Amend a commit message with git (27 August 2011)
• Equations of motion (18 August 2011)
• Web sites about C (27 July 2011)
• "I was a soldier of the Emperor" - the story of James B. Harris (9 July 2011)
• Stupid mistakes in C programming (22 June 2011)
• An example of using regular expressions in Perl XS (18 June 2011)
• The C string library (30 May 2011)
• Perl XS tutorial - digest version (20 May 2011)
• Handy Perl modules (16 May 2011)
• Memory management in Perl XS (13 May 2011)
• Some ways to customize cperl mode (7 May 2011)
• XS Introduction (5 May 2011)
• Handling errors in Perl XS modules (21 April 2011)
• A simple guide to ExtUtils::MakeMaker (1 March 2011)
• Using Unicode with Perl XS (24 December 2010)
• Perl XS (23 December 2010)
• MySQL versus SQLite (12 November 2010)
• Allowed variable names in C (4 November 2010)
• Tropicana Fruit Sweets: Orange with Rare Cheese Flavor (23 September 2010)
• Perl and Go equivalents (12 November 2009)