json_decode returns null on failure, and null is also a perfectly valid decoded value — so the only correct check was a separate function call that nobody remembered…
When two rows compare equal under the window’s ORDER BY, the numbering between them is arbitrary and MySQL is free to choose differently on the next execution. The…
The journal already stores structured records with unit, priority, hostname and timestamps; the text output is a rendering, not the data. Following the journal in JSON and piping…
A flag decouples deploying from releasing, which is genuinely valuable, and it doubles the number of code paths — permanently, unless somebody deletes it. Two flags interacting is…
Authenticating a script against the REST API means either cookies and a nonce, which needs a browser, or basic auth over a plugin, which means a real password…
Four useState calls whose setters are always called together are a state machine written as four independent variables, and every transition has to remember all four. The transitions…
PSR-2 predated return types, nullable types, multi-line arguments and trait conflict resolution, so every project had a house rule for each of them. PSR-12 writes them down. The…