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Delightful Puzzles
http://gurmeet.net/puzzles/
7 comments
30/6/2013
Reddit
TIL we can invert any number of signals using just two NOT gates and sufficient ANDs and ORs
http://gurmeet.net/puzzles/three-not-gates-from-two-not-gates/
9 comments
19/6/2014
electronics
Fast bit counting algorithms
http://gurmeet.net/puzzles/fast-bit-counting-routines/
28 comments
6/11/2013
programming