Practical engineering tips, design theory and performance breakdowns — written for developers and founders who like their advice tested in production.
TypeScript catches bugs before they ship and makes refactoring far less scary, but it has real costs. What you gain, what it won't do for you, and how to adopt it without a painful rewrite.
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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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The choice isn't about which database is modern or fast. It's about the shape of your data and how you'll query it. A practical comparison and a simple decision process.
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Bots scan public repositories for secrets constantly. If you pushed a key, deleting it isn't enough. The exact order of steps: revoke, check for damage, clean history, and prevent a repeat.
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INNER, LEFT, RIGHT and FULL joins, the anti-join trick for "find rows with no match", and why joins sometimes multiply your rows. Clear examples you can run against any SQL database.
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You don't need to be a security specialist to avoid the bugs attackers exploit most. A practical checklist covering injection, XSS, CSRF, access control, secrets, dependencies and headers.
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Schema changes cause more scary deploys than almost anything else. How migrations work, the rules that keep them safe, and the expand-and-contract pattern for changes with zero downtime.
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Committed to the wrong branch? Deleted work? Pushed something you shouldn't have? A calm, copy-paste guide to undoing the Git mistakes everyone makes, without making them worse.
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Backups are only real if you can restore them. The 3-2-1 rule, logical dumps vs point-in-time recovery, how often to back up, and the restore drill that most teams skip until it's too late.
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