The Consolidated Tape Association (CTA) oversees the dissemination of real-time trade and quote information in New York Stock Exchange LLC (Network A) and Bats, NYSE Arca, NYSE American and other regional exchange (Network B) listed securities. Since the late 1970s, all SEC-registered exchanges and market centers that trade Network A or Network B securities send their trades and quotes to a central consolidator where the Consolidated Tape System (CTS) and Consolidated Quote System (CQS) data streams are produced and distributed worldwide.

https://github.com/rollbear/dry-comparisons

if (any_of(a, b, c) == d) return;

Rubik's cube useful information, including code.

Source code for Rubik's Cube representation and solvers.

Packaged image detection and manipulation AI algorithms.

C++ standards back door for accessing private/protected members.

William Byrd, minKanren.org online logic scheme solver.

Interactive tutorial: http://io.livecode.ch/learn/webyrd/webmk