Code Quality
What Is Legacy Code? A Clear Definition for Developers
What is legacy code? A clear definition for developers, why Michael Feathers defines it as code without tests, and how to tell debt from legacy.
Jonny Rowse 7 min read Developer productivity that works
Practical advice for engineers who want to ship better software, faster.
Jonny Rowse 7 min read Code Quality
Breaking Dependencies in Legacy Code: Sprout, Wrap, and Seam Patterns
Break dependencies in legacy code safely. A practical guide to sprout method, wrap method, and seams from Working Effectively with Legacy Code.
David White 12 min read DevOps
Secrets Management for Developers: A Practical Guide
A practical guide to secrets management: stop committing tokens, pick the right vault, rotate cleanly, and keep CI from leaking credentials in logs.
Gareth Clubb 10 min read DevOps
Service Level Objectives: A Developer's Guide to SLOs and Error Budgets
A practical guide to setting and tracking SLOs: pick meaningful SLIs, calculate error budgets, alert on burn rate, and avoid the metrics that mislead teams.
Jonny Rowse 9 min read DevOps
GitHub Actions Patterns Every Developer Should Know
GitHub Actions patterns for faster, safer CI: reusable workflows, matrix builds, OIDC, dependency caching, concurrency control, and secret handling that scales.
Zubair Hasan 11 min read Architecture
Architecture Decision Records: A Practical Guide for Engineering Teams
How architecture decision records help engineering teams capture context, avoid repeated debates, and ship better systems. A practical guide with examples.
David White 7 min read Workflows
Developer Onboarding: From First Day to First PR in Under a Week
A practical developer onboarding playbook: get a new engineer from first day to first merged PR in under a week, without skipping the steps that matter.
Gareth Clubb 7 min read Backend
Database Connection Pooling Explained
A practical guide to database connection pooling for Postgres and Node.js. Pool sizing, timeouts, PgBouncer, serverless pitfalls, and real numbers.
David White 8 min read AI Tools
How to Review AI-Generated Code: A Practical Checklist
A practical checklist for reviewing AI-generated code: what to check first, common failure modes, and how to combine AI with human review safely.
Jonny Rowse 10 min read