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Optimizing test suite speed without examining test value produces a fast suite that catches nothing important. Speed and usefulness are both necessary — but they require different investments and are often in tension.
Read more“You’ll just work from our office—it’s easier for coordination.” That’s usually where the boundary between contractor and employee quietly disappears.
Read moreContainer filesystems are ephemeral by design — when a container is removed, its data is gone. Docker volumes are the mechanism for persisting data beyond container lifecycle, and understanding how they work determines whether your data survives.
Read moreWellington produces capable backend engineers. The public sector finds them first and gives them reasons to stay.
Read moreTransactions provide atomicity and isolation, but understanding how they work mechanically — through write-ahead logs, lock acquisition, and MVCC snapshots — explains why certain patterns cause deadlocks, bloat, and unexpected performance cliffs.
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