Product recommendation engine in Python, Flask and Redis

Let’s pretend we need to build a recommendation engine for an eCommerce web site. There are basically two approaches you can take: content-based and collaborative-filtering. We’ll look at some … Read more

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Atomic lock-free counters in Python

At Datadog, we're really into metrics. We love them, we store them, but we also generate them. To do that, you need to juggle with integers that are incremented, also known as counters. While having an integer that changes its value sounds dull, it might ... (more…)

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