Technical memos on databases, caching, formats, and engineering tooling.
This note explains how to read RFCs without drowning in them, which RFCs are most relevant for web developers, and the conventions that make these documents …
TL;DR: RFCs are the source of truth for internet protocols. They're dense but navigable once you know the …
This note covers the practical use of SVG for technical diagrams in developer documentation. It walks through the advantages over raster formats, accessible SVG …
TL;DR: SVG diagrams render crisply at any size, are accessible to screen readers, and can be styled with …
This note covers the three main approaches to storing binary data alongside MySQL — inline BLOBs, external file references, and hybrid patterns — with specific …
TL;DR: BLOB columns work for small objects under 1MB. Beyond that, store on disk and keep a pointer. The …
This note covers the HTTP caching headers that matter for static sites, how CDN edge caching interacts with browser caching, and the specific configuration that …
TL;DR: Set long max-age for hashed assets, short max-age + revalidation for HTML. Let the CDN handle the …