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Build your own REST API with Node, Express, Knex and PostgreSQL

While Rails is a perfectly viable solution to spin out a quick API server, I must confess that one of the things about programming that I like the most is the constant learning. So recently I decided to build an API using tools I normally don't use and documented the process so you can learn too.

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Algorithm practice: The ROT13 translator

For today's excercise, we're going to build a ROT13 translator. The name stands for ROTate 13, which means every character of a string will be shifted 13 characters ahead. For example, a becomes n, b becomes o, c becomes p and so on.

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