
Friday, September 17, 2010
Skånetrafiken och Android
Jag läste en kurs om applikationsutveckling för Android i somras. Kursen avslutades med ett projekt. Mitt projekt var en Androidapplikation för att söka resor och tidtabeller för Skånetrafikens bussar och tåg.
Jag blev nöjd med resultatet så jag publicerade appen i Android Market. Mer om den finns på lokaltrafik.info. Sök på "lokaltrafik" i Market/Butiken för att hitta den.

Etiketter:
android,
cool applications,
lokaltrafik,
skånetrafiken
Saturday, May 15, 2010
Wikitrends 2.0
Wikitrends 2.0 is now live. Rewrote and optimized most of it. Compared to the old version a single update now takes 1/10 of the time, with 10x more data. The site now has Wikipedia page views trends over three different time periods; montly, weekly and daily (last version only did daily.) I also moved the site to Wikimedia Toolserver. Thanks to Wikimedia Deutschland for hosting it on their two monster 8-core machines.
The monthly trends, which updates once per day, are based on 432 GB of uncompressed data. To make it even remotely possible to work with without a huge cluster of machines, I filter, aggregate and compress it down to a mere 10 GB.
The monthly trends, which updates once per day, are based on 432 GB of uncompressed data. To make it even remotely possible to work with without a huge cluster of machines, I filter, aggregate and compress it down to a mere 10 GB.
Etiketter:
wikipedia,
wikitrends
Sunday, February 21, 2010
Chipmunk for Java
I started working on this project a couple of weeks ago. I was looking for a good (as in good performance) physics library that I could use in Java projects. The ones I found reportedly didn't work well on slower hardware.
The result is Java bindings (i.e. a JNI) to Chipmunk, the 2D physics engine. Below is a demo of it running a simulation on Android Dev Phone 1.
The bindings are far from complete, but I have decided to release the project anyway. Code can be downloaded or browsed from its project page at Github.
The result is Java bindings (i.e. a JNI) to Chipmunk, the 2D physics engine. Below is a demo of it running a simulation on Android Dev Phone 1.
The bindings are far from complete, but I have decided to release the project anyway. Code can be downloaded or browsed from its project page at Github.
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