Sunday, June 4, 2017

Publish-Subscribe with RethinkDB



The publish-subscribe pattern is a powerful way to decouple applications that need to communicate. RethinkDB changefeeds allow us to implement publish-subscribe with the database acting as a message exchange.

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Finite-State Machines, Part 1: Modeling with Haskell Data Types

Stateful programs often become complex beasts as they grow. Program state incohesively spread across a bunch of variables, spuriously guar...