Archive for August 2015

Static and volatile in C

Do you know when and how properly use “static” and “volatile” keywords in C coding? Are you really sure? It is best to check if you are correct and maybe learn some new tricks by reading those two educative articles: Embed with Elliot: the Static Keyword You Don’t Fully Understand Embed with Elliot: The Volatile

Doppler Gesture Sensing in JavaScript

Doppler Gesture Sensing in JavaScript mentions an interesting paper on Doppler gesture sensing and  implementation of Doppler gesture sensing in JavaScript that works right in the browser (runs on Chrome). This JavaScript library generates a sine wave at 20 kHz that’s played through the computer’s speakers. The frequency is high enough that it’s pretty much inaudible. While the