PostgreSQL: Documentation: Manuals: PostgreSQL 9.0: Window Functions

A window function performs a calculation across a set of table rows that are somehow related to the current row. This is comparable to the type of calculation that can be done with an aggregate function. But unlike regular aggregate functions, use of a window function does not cause rows to become grouped into a …

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Android May Be the Greatest Legal Destruction of Wealth in History

Bill Gurley thinks that Android is an unstoppable freight train that will prevail against all its rivals. For Google, Android is not even a product with a business plan. It’s just a weapon at the service of their master domination strategy, a way to destroy any potential threats that may eventually kill their search monster. …

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apt-fast and Axel: Roughly 26x Faster apt-get Installations and Upgrades

The apt-fast script I have created is a little shellscript that increases the speed of apt-get by many times. You need to have the axel download accelerator installed, which is a simple, short process, but everything else is extremely straight forward. I started out downloading the upgrades for Kubuntu, at 32kb/s. Not terrible, but not …

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