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Guides05 Sept 2026

Checking .env files with EnvDoctor: check, sync and audit

A practical guide to my Python CLI EnvDoctor: find missing environment variables, update .env.example and audit source-code references, with executed examples and limitations.

015 min read

Colour-highlighted Python code on a monitor

Guides15 Aug 2026

Read the code before you write the code

Most refactoring mistakes come from writing before understanding. A short method for mapping a codebase's real dependencies first.

022 min read

A person looking at a desktop computer screen

Guides20 Jun 2026

Debugging with hypotheses: reproduce a shared-state bug

A deterministic Node.js debugging example. Compare parallel and serial execution, isolate shared state and verify the fix with regression checks.

033 min read

Guides22 May 2026

A portfolio that proves work

Screenshots and adjectives prove nothing. Working links, honest labels and written trade-offs do.

042 min read