A mental framework for cutting through complexity. Establish baseline, isolate what matters, execute one change.
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Updated
Dec 28, 2025
A mental framework for cutting through complexity. Establish baseline, isolate what matters, execute one change.
Fast and stable isolated UI tests based on HTTP mocks.
The PostgreSQL compatibility harness for rupg. Oracles built from the PostgreSQL 14 to 19 pins, a recording proxy, byte for byte replay, the regression and isolation suites, 48 client suites, and the five levels L1 to L5 with their denominators.
Turns a vague bug report into a reproduction script that changes one variable at a time, plus the questions worth asking the reporter and a verdict: confirmed bug, spec gap, or expected behaviour the user disliked.
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