nema5pic
vi-hell
clippie

xkcd comic strip on map projection

GIS

ndjson

Mapbox example projects

Terminology

Map projection

Links




xkcd comic strip on heatmap



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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike2.5 License. Pocket Sys Admin Survival Guide: for content that I wrote, (CC) some rights reserved. 2005,2012 Tin Ho [ tin6150 (at) gmail.com ]
Some contents are "cached" here for easy reference. Sources include man pages, vendor documents, online references, discussion groups, etc. Copyright of those are obviously those of the vendor and original authors. I am merely caching them here for quick reference and avoid broken URL problems.



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http://www.fiu.edu/~tho01/psg/psg.html (no longer updated as of 2007-05)