Game design: making intuitive tutorials for your games
In creating our games, we always need to keep in mind how we’re going to teach the player the mechanics of the game.
Lindsay Schardon at GameDev Academy
Understanding Box2D revolute joints, HTML5 example powered by Phaser and Planck.js
The best Box2D JavaScript port, in my opinion, is Planck.js, which also features Space, an interactive playground to build, test and modify your projects.
Emanuele Feronato's blog
Fast, Reliable Feature Management for the Modern Enterprise
LaunchDarkly is a feature management platform that empowers teams to safely deliver & control software through feature flags. By separating code deployments from feature releases, we enable you to deploy faster, reduce risk, and iterate continuously.