Category Archives: Uncategorized


Lately, I’ve been working on brining my IPv6 skills up to date. I’ve had a tunnel from Hurricane Electric for years. It’s free, and it works very well. A shout out to them for proving this great, free service. They also provide a free certification service (again, many thanks for that). I am happy to announce that I have achieved the GURU level!

IPv6 Certification Badge for heidmann



This code generates 'perfect' mazes and solves them.

This code is just for fun. It generates a ‘perfect’ maze and solves it. The results are written out to a PNG file. For details, click here.