Topics which aren't really about Perl, but which are of interest to the Perl programmer.

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• Big-O Notation - What is it good for? by Limbic~Region
• An informal introduction to O(N) notation by dws
• A Beginning Guide To Evolutionary Algorithms by blokhead
• LZW Demystified by demerphq
• Learn vi/vim in 50 lines and 15 minutes by tachyon
• Using CVS for revision control by trs80
• Introduction to Technical Writing/Documentation by ailie
• Exploring Programming Language Architecture in Perl (off-site)
• Database design with UML and SQL off-site