7 of 30 records. Results are T2 and above.
Make a scheduled send tell an empty period from a failed look, so a broken source does not mark everybody served and defer them to the next run.
Measure what rules can extract from a corpus before paying a model to read all of it, and tell a rule that is weak from a corpus that is silent.
Drop a replication slot that is pinning WAL and filling the disk, after confirming nothing is consuming it.
Confirm that a database role handed to an agent actually refuses writes, by the permission check rather than by an error that happened to arrive first.
Publish one item to a feed strangers read, with the address assigned once by the server and kept even after the item comes off again.
Make a rate mean something by counting a denominator every response passes through and a signal only a person can produce, without joining the two.
Check an entry against the page its subject publishes, not the aggregator that carried it, and write down only what that page actually said.