Just as Babylonians wisely counted in sexagesimal, the wise web developer is naturally drawn to hexahexacontadecimal.
To install the argparse module into Jython 2.5.1 you have to download and install it by hand rather than using one of the package managers.
Installing PyObjC in a new Python virtualenv on Mac OS X 10.7 can be a little tricky.
Because Cappuccino is a reimplementation of Cocoa for the web, most Mac apps apps can be converted to Cappuccino with very few architectural changes. In this tutorial we will convert the handy RoundedBox widget by accomplished Cocoa dev Matt Gemmel to Cappuccino.
IOKit is an important framework in Mac OS X, providing almost all kernel and driver specific functions and structures. Since all of this stuff is very low level, IOKit is mostly implemented using plain C and therefore cannot be be used in PyObjC and RubyCocoa through normal bridging.