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Sometimes we need to perform data transformation in ways too complicated for SQL (even with the Custom UDF's provided by hive). Let's take JSON...

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No spoilers here. Right from the first book you keep hearing about the Warrens and the Deck of Dragons and you try to make up...

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Problem: The rules for writing Roman numerals all for many ways of writing each number (see About Roman Numerals ...). However, there is always a...

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Problem: Three distinct points are plotted at random on a Cartesian plane, for which -1000 leq x, y leq 1000, such that a triangle is...

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Problem: Find the unique positive integer whose square has the form 1_2_3_4_5_6_7_8_9_0, where each '_' is a single digit. Solution: This one was easy. The maximum number...

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As @Haugstad1006 tweeted, forget the Courtois talk. Real Madrid + Bayern = fireworks. Atlético + Chelsea = a tense game of chess. Tactically fascinating. Can't wait!

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The FIFA Disciplinary Committee has sanctioned the Real Federacion Espanola de Futbol (RFEF) and Spanish club FC Barcelona for breaches relating to the international transfer and registration of players under the age of 18. They have banned Barcelona from participating in the transfer window for 1 year! In my opinion this is going to hurt Barcelona. Well, unless they decide to appeal and get the ban overturned or reduced to just 1 window.

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I modelled the graph coloring problem as a CP task and solved it using Google's or-tools. The model can color a 50 node graph within a few milliseconds, but takes time for a 70 node graph. There is still some scope to improve this model.

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PSG vs. Chelsea Twitter troll fight!! Fight! Fight! Fight! Fight!