The header tells browsers to refuse plain HTTP to this host for the given duration, and they honour it from cache — so shortening the max-age only affects…
The email that arrived four times and the charge that arrived twice. What makes a job safe to run again, and keeping workers alive without them serving stale…
HTTP/2 does not require encryption in the specification and does in every browser, so in practice it arrives with the certificate. nginx 1.9.5 replaced the SPDY module with…
PHPUnit takes the expected value first and the actual second, and getting them the wrong way round produces a test that passes and fails identically — but reports…
The pattern gets introduced alongside event sourcing, separate stores and eventual consistency, which makes it look like an architecture. The idea underneath is smaller: the shape that is…
const has accepted arrays since 5.6, but define() had not — which mattered because const cannot be used conditionally or inside a function, so anything computed at bootstrap…
The default sql_mode changed, and with it a decade of behaviour: inserting a string into a numeric column, a date of 0000-00-00, or more characters than the column…
A deep component importing a helper writes ../../../lib/money, and the path breaks the moment the file moves — which makes reorganising a tree a mechanical exercise in fixing…