Stryker Mutator
by simon-de-lang
Code coverage measures what runs, but mutation testing reveals whether your tests actually catch bugs by deliberately breaking code and checking if tests fail.
javascript
(3)GraphQL in Action
by samer-buna
A practical guide to building and consuming GraphQL APIs, covering schema design, resolvers, database integration, and client-side usage with Apollo.
Avoid Nesting When You're Testing
by kent-c-dodds
Nested describe blocks with beforeEach hooks create cognitive burden by requiring developers to track mutable state across scope levels—prefer inline setup or factory functions instead.