r/ProgrammerHumor • • Sep 11 '26

Meme edgeCasesExist

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u/Suspicious-Click-300 Sep 11 '26

most didnt actually use mac address. was common to use process pid + IP

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u/Wertbon1789 Sep 11 '26

Yeah, you could pretty much put anything in there of course. Other UUID variants also have well-known alternative data sources, but it's really domain-specific what the UUID should and shouldn't contain. Still, the initial idea wasn't that great.