99% of the cool, elegant "tricks" I've seen have been applications of the following computer science concepts: https://en.wikipedia.org/wiki/B-tree https://en.

99% of the cool, elegant "tricks" I've seen have been applications of the following computer science concepts: https://en.wikipedia.org/wiki/B-tree https://en.wikipedia.org/wiki/B-tree https://en.wikipedia.org/wiki/Hash_table https://en.wikipedia.org/wiki/Hash_table https://en.wikipedia.org/wiki/Paxos_(computer_science) https://en.wikipedia.org/wiki/Paxos_(computer_science)