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This PHP script provides a simplified database access interface by extending PEAR::DB class. DB factory extension can be used to establish connections returning a boolean success value instead of PEAR error object.The script executes queries automatically connecting to a database before executing... Platforms: PHP

The Light and Shadow Model shows light that either passes through a mask with a hole in it, or it is blocked by an object, as it travels to a screen on the right. The user can turn on and off two light bulbs (red and blue) and drag the bulbs around the screen to change their positions.... Platforms: Mac