This (very) simple application sends a B_ABOUT_REQUESTED message to every running application that accepts messages. This results in all running applications showing their about box including applications that doesn't provide a menu to ask for the about box. The media_server and addon_host's about boxes are particularly interesting...
AVLDupTree is a set of C subroutines (not C++, so you can use it in drivers) that is useful for indexing a set of key/value pairs, using the key to find a matching value. The standard AVL balanced binary tree algorithm is enhanced to support multiple values for the same key. It is designed for future use in a file system to support fast attribute indexing and queries, but you can use it for other things.
BArchivable doesn't work with instances of template classes, but if the template parameter is a C++ built-in type, here's a way to get Instantiate( ) to work.
A small program which translates text into its binary equivalent on the Ascii table and back - includes commented source. Y también está en Español tanto el programa como el código comentado - una ejemplo sencillo fácil de entender.
BzWindow is a simple C++ class that subclass BWindow and enable to redirect MessageReceived method to another static function.Usefull in project when you don't want to subclass a BWindow or find 'dirty' to redirect the controls of the window to another BLooper.
CDDABench is a script that performs various checks in order to determine how suitable your CDROM or DVD drive is for doing digital audio extraction (also known as "grabbing" or "ripping").
A simple desklet type calendar application that sits transparently over your desktop.
Based on yab sample code and some of my own ideas. Transparency over the desktop is *faked* - the background is not refreshed as you move the calendar around the desktop. Rather it is a static picture as of the time the application was launched.