Monthly Archives: April 2014

What I learnt today – 29th April

April 29, 2014

Every car has a label on it with a long code made up of letters and numbers. The first few characters of this code indicate the paint colour of the car. The labelĀ is in different places on different makes of car. Toyota’s is a metal plate under the bonnet. Audi and Volkswagen’s is a paper […]


What I learnt today – 25th April

April 26, 2014

The Gson library fails to serialise classes that are obfuscated by Proguard. This is the reason why my app works fine when built for debugging but crashes when built for release. Proguard can be configured not to obfuscate certain classes. The pain in my right arm is caused by ten days of clicking the touch […]


What I learnt today – 24th April

April 24, 2014

When moving your Android development from one computer to another, the first time you try to deploy a debug APK to a device that has installed on it a debug APK from the previous computer, there will be anĀ INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES error. This is because the debug keystore is different on each computer. To solve this problem […]


Who are these people following me on Twitter?

April 8, 2014

You don’t know them. Why are they following you? Are they spam/fake accounts? Well you tweet stuff. People see what you tweet and like it so they follow you. Twitter is not really a social network. It’s not about friends. It’s about information streams. I follow people because I think I’ll like what they tweet. […]


How to get things for free in the UK

April 8, 2014

Freecycle Gumtree Notice boards in local shops and supermarkets Car boot sales Networking, especially with old people Find out what local companies are getting rid of


Visiting Poland

April 3, 2014

The following contains comparisons to the UK. Q. Does everyone in Poland speak English? A. No. Many people under 30 do, but the middle aged women who man all the railway station ticket booths certainly don’t. Q. Do you know a quick way to learn a bit of Polish: A. Click here. “There is nothing […]


Early Retirement Extreme – a very brief summary

April 3, 2014

This post about coffee (well, sort of) led me to this book, which looked interesting. Having scan read the book in 30 minutes I’d say the main points are: – don’t take credit, – spend as little as possible, – save/invest as much as possible, – analyse all your life decisions to see if you […]


How to fix AccountDisabled error on Android with Google Apps

April 3, 2014

If you’ve just logged into a Google Apps account on Android and got an error saying AccountDisabled… …then make sure that the Google Apps user in question does not have “Require user to change password at next sign-in” checked. If the box is checked then uncheck it and click the blue Save changes button at […]


Battle Badminton – Facebook integration

April 1, 2014

A national badminton ladder is an excellent idea. Battle Badminton has some issues which put people off using it. One problem is that it exists in its own world – you have to log in to BB to see what’s going on. I can tell from the “last seen” times of many of the users […]