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Hints, tips and guidelines for writing clean, reliable Dockerfiles

A mutex is very powerful tool for a concurrent programming. We learned about itin the last article. But inappropriate use ofmutexes can lead to serious probl...

Full featured Redis client for Crystal.

Learn how Go can be used to keep open network connections and broadcast messages over the web.

This article shows the saga of how we used two sprints to increase in 10x the number of requisitions that our backend can respond. I’ll tell how it was possible to improve our backend’s performance…

Getting Started with Rack. GitHub Gist: instantly share code, notes, and snippets.

a simple collection of 2d collision/intersects functions. Supports points, circles, ellipses, lines, axis-aligned boxes, and polygons

Developing a web application that uses server-sent events is straightforward. You'll need a bit of code on the server to stream events to the front-end, but the client side code works almost identically to websockets in part of handling incoming events. This is a one-way connection, so you can't send events from a client to a server.

In this post, we'll learn the basics of Kafka and how its event-driven process can be used to power your Rails services.