Recently, a group of us bought a MakerBot Replicator 2. It's been going pretty steadily, but not without the teething problems expected in an early-adopter technology.
K Nearest Neighbor (KNN) is a lazy, supervised machine learning algorithm. In this post we step through a KNN implementation in Racket, a dialect of Scheme.
One of our VM's recently had a huge jump in stolen CPU / %steal CPU time. I investigated and found that our VM's CPU allocation had been deprioritized.
A coroutine is a procedure can suspend its execution by yielding back to its caller. I just used my first Lua coroutines to do cool things in Minecraft with ComputerCraft.
