Volodymyr Pavlov Go backends that stay small https://volodymyr-pavlov.pages.dev/ 2026-09-23T00:00:00Z Volodymyr Pavlov https://volodymyr-pavlov.pages.dev/about.html John Coltrane and Ray Charles: Two Jazz Lives, One Birthday https://volodymyr-pavlov.pages.dev/blog/07-john-coltrane-and-ray-charles.html 2026-09-23T00:00:00Z 2026-09-23T00:00:00Z John Coltrane and Ray Charles, both born on September 23: how a saxophone innovator and a soul pioneer each shaped jazz. Playing Go Using Go https://volodymyr-pavlov.pages.dev/blog/06-go-and-wasm.html 2026-09-21T00:00:00Z 2026-09-21T00:00:00Z Compile a Go game engine to WebAssembly, call it from a Web Worker with one exported function, and keep the hot loop allocation-free. Brewing the Perfect Chemex https://volodymyr-pavlov.pages.dev/blog/05-brewing-the-perfect-chemex.html 2026-09-13T00:00:00Z 2026-09-13T00:00:00Z A repeatable Chemex recipe: 30 g medium-coarse coffee, 500 g water at 93–96°C, a 45-second bloom and a 3.5–4 minute brew. Bitwise Store in Go https://volodymyr-pavlov.pages.dev/blog/04-bitwise-store-in-go.html 2026-09-11T00:00:00Z 2026-09-11T00:00:00Z A clean Go architecture from one generic interface, typed bit flags and a stack of wrappers: flexible storage without a framework. Handling Transactions in Go https://volodymyr-pavlov.pages.dev/blog/03-transactions-in-go.html 2026-09-04T00:00:00Z 2026-09-04T00:00:00Z Wrap one-method Go stores in a SQL transaction so two tables change together or not at all, keeping the clean architecture. One Interface, One Method https://volodymyr-pavlov.pages.dev/blog/02-one-method-store-in-go.html 2026-08-28T00:00:00Z 2026-08-28T00:00:00Z Build a Go data access layer around one generic interface with a single method, and keep it small without frameworks. Bitwise in Go: Doing More with Less https://volodymyr-pavlov.pages.dev/blog/01-bitwise-in-go.html 2026-08-21T00:00:00Z 2026-08-21T00:00:00Z Pack boolean flags and states into one integer with Go bit operations: set, clear and test bits, and keep structs small.