Free CI/CD with GitHub Actions: A Practical Starter Guide
Automate tests, linting, builds and deploys on every push, for free on public repos. A practical GitHub Actions guide with copy-paste workflows, caching, secrets and scheduled jobs.
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Tips & writing
Notes from the workbench
Practical engineering tips, design theory and performance breakdowns — written for developers and founders who like their advice tested in production.
Filtering by tag #testing — clear
Unit vs Integration vs End-to-End Tests: What to Write and Why
Not all tests are equally useful. What each type of test catches, how much of each to write, and a pragmatic testing strategy for web apps that gives confidence without slowing you down.
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Test-Driven Development: A Practical Guide (Without the Dogma)
Write a failing test, make it pass, clean up. TDD sounds slow but often makes you faster. How the red-green-refactor loop works in practice, where it shines, and where it doesn't fit.
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Working with Legacy Code: How to Change It Without Breaking It
Every developer inherits code they didn't write, without tests or documentation. How to understand an unfamiliar codebase quickly, add safety nets, refactor in small steps and avoid the big rewrite trap.
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