Checking whether a key exists and then inserting it is two statements, and two requests can both pass the check before either inserts. The unique index is what…
Generating the document is only half of it: committing the generated file is what turns an API change into something a reviewer can see. Sorting with jq -S…
A function returning x is Foo narrows the type at every call site, and the compiler takes the claim entirely on trust. A guard that under-checks is worse…
A collection in one person’s account is not version control, is not reviewable and disappears when they leave. Exporting and committing means a change to the collection appears…
An SDK that requires a concrete HTTP client propagates that choice to every consumer, and two SDKs requiring different majors of the same client cannot be installed together.…
A collection asserting that the total is 4900 fails whenever the seed data changes, which is every sprint — and gets deleted rather than fixed. Asserting on presence…