Blog

Veteran developer Dave Astels is leading a Structure and Interpretation of Computer Programs (SICP) study group for the next ten months. The Massachusetts Institute of Technology uses SICP as the text for one of its early computer science courses. Session...

If you have ever attended WindyCityRails: Thank you for helping to make the event more exciting every year. Organizers strive to give developers actionable technical information in a conference format. So far, it’s working!

There are some cases where time zone information is absolutely critical. For example: When scheduling a video conference that crosses national boundaries. A few hours ago, Google sent me a reminder about today’s LinuxBarbados meeting. The group meets via video...

The Chicago Node.js user group invited me to present Node.js Under Water, an overview of the OpenROV underwater robot, this evening. Slides appear below. Every version of this talk is tailored to the audience. This version focuses on OpenROV hardware...

It is always good to start the new year with something inspirational. Technicon Design created a 3-minute video to demonstrate their IXION Windowless Jet Concept. Worth watching full screen. How can a plane with no windows offer better views for...

This blog uses pygments.rb for syntax highlighting. Recently pygments.rb stopped working, so I had to dig inside to determine the problem and apply a solution. Full disclosure: Pygments didn’t simply stop working. I applied updates related to Octopress and lunr.js,...