Month: January 2017

is an excellent book by Gene Kim, Jez Humble, Patrick Debois, and John Willis (isbn 978-1-942788-00-3). As usual I’m going to quote from a few pages. Make infrastructure easier to rebuild than to repair. The average age of a Netflix AWS ins…

is an excellent book by Gene Kim, Jez Humble, Patrick Debois, and John Willis (isbn 978-1-942788-00-3). As usual I’m going to quote from a few pages. Make infrastructure easier to rebuild than to repair. The average age of a Netflix AWS ins…

Raspberry Pi 1 + battery pack + Bluetooth USB dongle + i-racer bluetooth car + Raspberry Pi camera + some Python code + loads of sellotape = Chaos car! Here’s the code: #!/usr/bin/env python2 import os import random import bluetooth import sys import…

It was my pleasure to run a small workshop style session at the excellent NDC-London conference. I ran a fun C++ game which parodies the popular UK TV gameshow Countdown. In the TV version contestants take turns picking 9 random vowels/consonants…

It was my pleasure to run a small workshop style session at the excellent NDC-London conference. I ran a fun C++ game which parodies the popular UK TV gameshow Countdown. In the TV version contestants take turns picking 9 random vowels/consonants…

I recently fought the Android emulator a lot to get my UI tests to run automatically during the build of Rabbit Escape, so I thought I’d better write down what I did before I forget. I already have tests that drive the Android UI (see e.g. SmokeTest.ja…

Here’s what I needed to get a dev environment for F-Droid up and running on Ubuntu 16.10, using F-Droid server version 0.7.0 (commit id 8147f9235), so that I could submit a package for inclusion in the F-Droid repository. Doing this is apparently the b…

I have been introducing some year 6 (UK) teachers to coding by showing them how to lay out a simple web page by writing HTML. I promised I would find some links to resources for them, so here it is: HTML and JavaScript My examples of how to write HTML …