This is my blog about constraint programming and related paradigms, e.g. news about and models in some of my favorite constraint programming languages (MiniZinc, Zinc, JaCoP, Choco, Gecode, Gecode/R, Comet, ECLiPSe, Minion/Tailor, SICStus Prolog, Numberjack, OscaR, AIMMS-CP, Google or-tools, B-Prolog, etc). See http://www.hakank.org/ for more about me (Hakan Kjellerstrand, hakank@gmail.com). Twitter: hakankj.