A test suite that went from four minutes to eleven over six weeks, with no test added that was individually slow. A fixture that is individually reasonable and…
A reusable workflow shared across four repositories, and the eleventh input added because one repository was different. Every input is a branch in the workflow and eleven of…
A response that omits fields when a header is present, implemented three years ago for one consumer and never documented. The behaviour was correct and the mechanism was…
A query creating an internal temporary table that exceeded the in-memory limit on every execution, silently. The ratio of disk to memory temporary tables is the diagnostic and…
Merging two codebases produced a layer rule baseline of 188 violations, where each had been under five. A baseline that jumps is nearly always a configuration problem rather…
A search document carrying the full product description as both an indexed text field and a stored copy, on a catalogue where descriptions run to several pages. The…
Three years of incident notes, read as an inventory rather than as history. Eight documents cover eighty-seven per cent of what has ever gone wrong, which is a…
A webhook endpoint accepting bodies up to eight megabytes, and the signature check running after the decode. Validating before decoding costs one pass over the string and allocates…
An element that starts hidden and animates in had needed a class added on the next frame, because there is no style to transition from. The requestAnimationFrame dance…