A perspective on how to balance testing.

Simple standard for testing and reporting results.

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.

If you are having a problem with some code and seeking help, preparing a Short, Self Contained, Correct Example (SSCCE) is very useful. But what is an SSCCE? ...

Demonstrate how to check whether the output device is a terminal or not. If a terminal is the output, you can use color codes in STDOUT

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.