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The most famous bug in computing was a real moth

In 1947, engineers working on the Harvard Mark II computer traced a glitch to an actual moth caught in a relay. Grace Hopper's team taped the moth into the logbook with the note "first actual case of bug being found." The word "bug" was already old slang for a fault, but the story stuck, and so did "debugging."

Even the pioneers spent their days hunting down small things that broke big systems.

Software is like that: the trouble is usually a tiny detail, not a grand flaw. Finding it fast is the whole job, and it's why we test carefully and write clean, readable code in the first place. A site that's easy to debug is a site that stays up, loads fast, and doesn't surprise you at the worst moment.

Further reading: original source ↗

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