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Infinite Volume Simulations

Hi Team, So here’s a puzzler for today:  How can you numerically simulate two planets interacting via gravity, in a universe with infinite volume?  Of course you only have standard computing architecture available.  Once you have a guess, make gravity repulsive

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Ineffective Sorts

So xkcd had a delightful comic a few days ago about Ineffective Sorts (and below), and it really struck a chord with me. I’ve often hear of people being asked to (pseudo)code quicksort, or something similar, during an interview. This

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