A supplier’s open source client library, read to answer one question, without learning the language first. Reading unfamiliar code for one specific question is a different and more…
A plan output that had grown to four hundred lines for a two-resource change, mostly from a provider that reports every computed attribute. The JSON plan has been…
An index created for a reporting query, and the report replaced by a projection four weeks afterwards. An index nobody reads costs write throughput and buffer pool on…
A directory of tests excluded from every tool since 2023, examined and removed along with what they tested. Three independent checks — coverage to find what the tests…
A category tree walker that recursed to a depth of eleven in development and to two hundred in production, on data nobody had constrained. The production data had…
Replacing a foreach with array_find made the code shorter and left the actual problem in place. A new function makes a linear scan pleasant to write, which is…
A branch with a working framework migration on one component, kept for six weeks and then deleted on purpose. A prototype whose conclusions are recorded is finished, and…