Tools

Transcoding from Ogg to MP3

You have a bunch of Ogg files and want to listen to them on a device that can only play MP3s? Well, this problem can be solved easily with FFmpeg.

Mobile

OpenStreetMap on Nokia S40

Do you want to carry around up to date high quality maps in your pocket for free? Then read my short review of J2ME midlets, which can display OSM data on your mobile phone. This is especially nice in combination with a Bluetooth GPS device, which can be bought for very little money nowadays.

Self signed JARs on Nokia S40

Usually it is not possible to use self signed certificates for program signing on Nokia S40. Fortunately there exists a small trick which makes it work.