Go 1.27 Is Quietly Load-Bearing

Generic methods finally landed, json/v2 is already running underneath your code, and the allocator got faster while you weren’t looking. Six of this release’s changes take effect without you opting in; here’s which ones will cost you an afternoon.

September 4, 2026 · 12 min · Hanh Pham

Go Performance Profiling with pprof: Finding the Slow Part

Your Go service is slow, but you don’t know where. Guessing is not a strategy. pprof tells you exactly where your program spends its time, memory, and CPU; here’s how to use it.

August 1, 2026 · 7 min · Hanh Pham

Caching Geospatial Queries Without a Specialized Geo Database

You don’t need PostGIS or a geohash library to cache repeat road-distance lookups: rounding coordinates and a unique index gets you most of the win.

July 23, 2026 · 5 min · Hanh Pham

Self-Hosting a Routing Engine Instead of Paying Per API Call

Road distance, not straight-line distance, is what travel expense claims and delivery pricing actually need, here’s how to get it without a metered maps API.

July 21, 2026 · 5 min · Hanh Pham

Syntax Highlighting with Hugo

Hugo ships with built-in syntax highlighting via Chroma, no plugins required.

July 16, 2026 · 1 min · Hanh Pham