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A practical guide to small functions readable code, with advice on function boundaries, parameters, return values, tests, and safe refactoring.

GitHub Actions parallel steps can cut CI waiting time, but only if teams clean up shared state, logs, caches, and test ownership first.

Master Test-Driven Development (TDD) in TypeScript. Learn the Red-Green-Refactor cycle, practical patterns, and build robust, maintainable code with confidence.

Learn essential testing strategies, tools, and patterns for TypeScript applications, including unit, integration, and end-to-end testing with practical examples.