Blog

Anyone can build a fast CPU. The trick is to build a fast system.   ~ Seymour Cray The Chicago chapter of the Association for Computing Machinery (Chicago ACM) hosted a lecture titled Supercomputing and You yesterday evening. The talk...

I encountered some interesting behavior between Homebrew and Ruby this afternoon. I can describe what happened, but I don’t yet understand why. Perhaps another member of the dev community can shed some light. Upgrading to Git 1.8.5 Earlier today I...

Last night’s episode of 60 Minutes featured an interview with Jeff Bezos, CEO of Amazon. The timing was perfect for Amazon. Black Friday was a few days ago. Cyber Monday is today. Online retailers want to be top-of-mind when people...

Teenagers are a tough audience. If you have ever spoken to a youth group, you know the challenge: Speak about something important without putting the youth to sleep. Tall order. Three Stories Boy Scout Troop 534 “Hey!” asked me to...

The Problem Let’s say we’re building a version of Atari’s Pong in RubyMotion. We’re debugging an issue with the paddles; they don’t line up the way we want them to. Time to examine the playing field via the RubyMotion console....

The Chicago RubyMotion User Group held its inaugural meeting this week. Thank you Dave Astels for organizing the group and for asking me to present. Thanks also to Dev Bootcamp for hosting the event. Slides are embedded here: