Some info on how to disassemble the sliding lens cover on Canon digital cameras. This inspired me to do it myself and do my own post with photos.

Yep, “trie” – it’s different from “tree”. Actually it’s a specific kind of trie. Since this is confusing, I suggest calling it a “prefix tree”.

Interesting papers on Google technology like Google File System (GFS), Bigtable, MapReduce, Chubby, Sawzall, etc.