The 6th incarnation of Elmer's blog
http://www.openlogic.com/wazi/bid/195905/Tips-and-Tricks-to-Optimize-MySQL
You can create partitions when creating a table, or alter an existing table to partition its data set. You can create various types of partitions, such as RANGE, LIST, and HASH. The most commonly used is Range, where each partition is defined to accept a specific range of values for some column. What partition suits your table best will depend on the type of data stored in the table.
Interactive Spaces is implemented primarily in Java, but it has a scripting bridge that supports JavaScript and Python. The framework provides a high-level architecture for building “activities” that respond to events in a room.
In the announcement, Google described a sample Interactive Spaces installation where ceiling-mounted cameras tracked the position of individuals in a room so that the software could display colored lights on the floor where they are standing.
via Google opens code for building interactive experiences in physical spaces | Ars Technica.
Download the code at http://elide.us/u.