Open Source
Keeping a changelog humans want to read
A git log is not a changelog. A short, curated record of notable changes tells users what an upgrade means for them.
Archive
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Tools
How to get your CI pipeline under ten minutes
Slow CI quietly taxes every pull request. Measure first, then cache, parallelize and stop doing work that doesn't matter.
Web
Progressive enhancement: build forms that work before the JavaScript loads
Start with HTML that works on its own, then layer on JavaScript. Your app gets faster, more resilient and more accessible almost for free.
Languages
Exceptions vs. result types: two philosophies of error handling
Some languages throw errors up the stack; others return them as values. Each approach makes different mistakes easy or hard.
Security
Rate limiting algorithms: token bucket, fixed window and sliding window
Rate limits protect logins from brute force and APIs from overload. The algorithm you choose decides how bursty traffic is treated.
Tools
A modern command-line toolkit for developers
A handful of fast, focused command-line tools can replace minutes of clicking every day. Here's a starter kit and how the pieces combine.
DevOps
Infrastructure as code: what belongs in it, and what doesn't
Declaring infrastructure in version control makes it reviewable and repeatable. It also has sharp edges — state, secrets and drift.
Databases
Database connection pooling, explained
Hitting "too many connections" errors is a rite of passage. Understanding how pools work — in your app and in front of your database — makes them go away.
Languages
Unicode for programmers: bytes, code points and graphemes
Asking for the length of a string has at least three correct answers. Understanding why prevents a family of text-handling bugs.
DevOps
SLOs and error budgets: deciding how reliable is reliable enough
100% uptime is the wrong goal. Service level objectives turn reliability into a number you can plan around, and error budgets tell you when to slow down.
Tools
How to write commit messages your future self will thank you for
A commit message is a note to whoever runs git blame next year. A few conventions make history searchable and debugging faster.
AI & ML
Give your AI coding assistant a project brief
Coding assistants start every session knowing nothing about your project. A short, well-maintained instructions file fixes most of the "it ignored our conventions" complaints.