Why Unit Test?
Contrary to popular belief, the purpose of unit tests is not to verify correctness of code. Correctness can only be […]
Test Driven Development (TDD) Tutorial
Introduction: Kent Beck, one of the original signers of the Agile manifesto and creator of eXtreme Programming, is credited with […]
Install Truecrypt 7.1a on OSX High Sierra
Update: Just use VeraCrypt: https://www.veracrypt.fr/en/Downloads.html Its an actively maintained fork of Truecrypt 7.1a Despite the suspicious shutdown of Truecrypt, it […]
Answering an Interview Question…Thoroughly
Here is a coding exercise I was asked to solve during a recent interview: Each new term in the Fibonacci sequence is […]
Zoomable UITableView iOS component
Apple’s UITableView component does has many clever features right out of the box, but the ability to pinch zoom is […]
Custom UIView Additions for Xibless iOS Development
I prefer to develop iOS apps without using .xib files. This iOS project is a simple demo of my layout […]
iOS Fix: file is universal (2 slices) but does not contain a(n) armv7s slice: /path/to/file for architecture armv7s
This common error plagued be when trying to run my weatherApp on an iOS device. It turns out that a […]
Reverse engineering a 16 character display using an Atmel 328p.
Recently I wanted to expand the functionality of an automated test harness for an embedded device. The device has a […]
Switches and interrupts on a PSoC 1 Microcontroller
I. Introduction / Summary The most practical way for a microcontroller to retrieve input is via interrupt. The vast majority […]
Polling a switch Using a PSoC 1 Microcontroller
One way for a microcontroller to retrieve input is known as polling. Polling means repeatedly measuring a sensors […]