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Some bugs only happen with one combination of API data, timing and local state. The failing run and a working run differ in dozens of ways, and figuring out which difference matters usually means commenting things out until something changes. Causali

EF Core is the .NET default long after the thing you are saving has stopped being a set of rows. An order with its lines, discounts, and address is one decision. The template still models it as a join. I reach for EF Core when the model is rows: a li

A Worker that builds and passes its tests can still fail the moment it runs. The usual cause is not your code. It is a dependency, sometimes three levels down, that calls an API the runtime does not have. I kept hitting this, so I built edgefit : a s

Most MCP tutorials stop at the server. You write a Python or TypeScript MCP server that exposes tools, test it with the CLI inspector, and call it done. But production agent applications need client orchestration, multi-server coordination, authentic

Same message. Same password. Same key. Two completely different ciphertexts. That's not a bug - it's a requirement, and it comes down to a single value that's easy to overlook: the nonce. This is the final post in a series documenting what I'm learni

One React/Vite codebase can power a GitHub Pages site, an installed PWA, an edge-hosted deployment, and a Tauri desktop app. That does not make those surfaces interchangeable. This distinction matters whenever an application handles user projects, of