A perspective on how to balance testing.

Simple standard for testing and reporting results.

Focuses mostly on react, but goes through a GoF-like patterns updated for webdev.

signals, jerry.

CHAOSS is a Linux Foundation project focused on creating analytics and metrics to help define community health

TS Pull Request outlining why methods are not strictly checked: "The stricter checking applies to all function types, except those originating in method or construcor declarations. Methods are excluded specifically to ensure generic classes and interfaces (such as Array<T>) continue to mostly relate covariantly."

Good explanation of covariance and contravariance in TS.

This is a wonderfully informative Amazon update based on Joachim Rohde's discovery of an interview with Amazon's CTO. You'll learn about how Amazon organizes their teams around services, the CAP theorem of building scalable systems, how they deploy software, and a lot more. Many new additions from the ACM Queue article have also been included.