Author: Pygmalion
Create SQLite tables from data classes on Android
Suppose you have a set of classes to hold your runtime data. To store your data locally you may want to generate database tables from the class definitions using Reflection. Let’s start with the... Read More
Mobile atlas installer for Android
We want to ship OSM tiles in our APK and install them on the SD card for offline use. First create the offline map for several zoom levels in Mobile Atlas Creator. Be sure to set the atlas format to o... Read More
Android app: German license plates / Deutsche Kfz-Kennzeichen
Search for the city, district or institution that the abbreviation on a German car number plate refers to. Also works on the way, without a data connection. Suche nach Stadt, Landeskreis oder Institut... Read More
Retrieving Google geocoded co-ordinates in Python
Import the json and the urllib2 modules: import json, urllib2 Programmatically contruct the URL to meet the requirements of the the geocoding webservice, i.e. make it look like this (click to view the... Read More
LPI training
Our LPI trainer is yet another work in progress. You can use our first sample questions to train for LPIC-1, exam 101: http://pygmalion.nitri.de/lpi.... Read More
Prisoner’s dilemma on Android
The old prisoner’s dilemma applet has been revitalized on Android. It was a fit occasion to clean up and rewrite those messy sources from the nineties.... Read More
Convert a WEP passphrase to hex
Traveling the world you may find yourself in a place where the Wi-Fi access point is WEP protected. The owner can only provide you with an alphanumeric passphrase, whereas your Linux notebook expects ... Read More
Vodafone UMTS: unwanted image compression
When surfing the web over Vodafone UMTS in Germany, you may notice that JPEG images are compressed and displayed in low quality. Press Ctrl-F5 (Strg-F5) in your browser to see the original images on t... Read More
Wardriving using an Ubuntu 10.04 notebook and a Garmin Etrex
Most GPS software that ships with Ubuntu 10.04 uses gpsd to retrieve data from the GPS receiver. So make sure that you have gpsd installed. Unfortunately the new JSON protocol used by gpsd is not supp... Read More
Default Glade window sizes
By default, GtkWindow objects are displayed as compact as possible. In order to specify the preferred window dimensions, first set the visibility of the window to “No” in Glade Interface D... Read More