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Extracurricular Activities • Mar 20, 2013

Writing C on Raspberry Pi with Test-Driven Development

How to write C code on your dev machine but build the code on the Pi, removing the need for a cross-compiler and simplifies getting back the test results.

DevOps & System Admin. • Mar 12, 2013

Preparing Machines for Workshops with Vagrant, VirtualBox, & Puppet

If you're giving a workshop, I recommend checking out Vagrant, VirtualBox, and puppet or chef for creating the workshop development environment.

.NET / WPF • Mar 06, 2013

Using XAML to Set Focus on a Textbox in WPF Desktop Applications

Instead of one TextBox control for the code, we have 4 TextBox controls. As the user types in each digit, we move focus to the next TextBox for them.

.NET / WPF • Feb 24, 2013

MVVM Light Messenger Registration Causing Test Failures

How I got past the “Non-static method requires a target” exception when using the MVVM Light Messenger in my tests.

Software Science • Feb 15, 2013

FFI: Foreign Function Interfaces for Fun & Industry

An FFI wrapper is much easier to write and maintain than a C extension, more portable across platforms and languages, and easier for users to install.

Development Practices • Feb 07, 2013

Your Tests Are Your Conscience

Writing tests exposes the "pain points" in code. Without having to face those "pain points," it's all to easy to ignore code smells and press on.

Developer Tools • Jan 30, 2013

Making Diagrams with graphviz

graphviz is a great tool for creating quick diagrams. It can automatically create diagrams from its simple markup language, DOT.

jRuby • Dec 27, 2012

JrSerialPort: Connect to a Serial Port in JRuby via RXTX

Simple but effective JRuby code that simplifies the use of RXTX for basic serial port communications, with sample terminal.

UX/Design Tools • Dec 14, 2012

Why I Use Keynote as a Design Tool

Keynote is a powerful, lightweight tool, and I use it for many projects — from storyboards and user scenarios to process flows and visual frameworks.

Technical Practices • Dec 07, 2012

Thinking Abstractly: Why Programmers Don’t Write Binary Code

Software developers don't write in 1s and 0s. They use layers of abstraction – and so do you.

Embedded Systems • Nov 18, 2012

Things About C that Make Me Say, “WHAT?!?”

I have found several aspects of C that really tripped me up. I’d like to share a few of them with you so you can avoid them!

Software Science • Nov 15, 2012

Message-Oriented Programming

Designing around the messages, rather than the objects, brought my whole system into focus. If modules communicate by passing around self-contained textual data, or a simple struct