Go

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    wc is a command-line tool for counting characters, bytes, lines, and words in a file or from standard input. In this post, lets build our own version.
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    As a coding challenge, I built a chat server. We take two approaches, one involving a router, and another involving a user directory data structure.
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    Consistent hashing is a technique used in load balancing. It allows for the addition and removal of servers without redistributing traffic.