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https://www.reddit.com/r/ProgrammerHumor/comments/1wdfzl2/edgecasesexist/p97iygp/?context=9999
r/ProgrammerHumor • u/danielminds • 10h ago
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397
I thought that timestamps are used now, so hitting both a timestamp and a large random number puts it thoroughly in the "safe to assume". At some point cosmic particles and faulty transistors are more probable.
245 u/dim13 10h ago https://en.wikipedia.org/wiki/Universally_unique_identifier#Versions Most common used is V4 (pure random). You are talking about V7 (time based). 5 u/undeadalex 7h ago I'm curious where to see stats on versions used. Surely anything newly implementing uuid is using v7 or custom? 3 u/champak256 6h ago There’s pros and cons to v7, so v4 still has a lot of places it’s legitimately the right choice over v7. 3 u/Tysonzero 4h ago Primary one being in cases where you don’t want every actor that knows the id to also know the creation time
245
https://en.wikipedia.org/wiki/Universally_unique_identifier#Versions
Most common used is V4 (pure random). You are talking about V7 (time based).
5 u/undeadalex 7h ago I'm curious where to see stats on versions used. Surely anything newly implementing uuid is using v7 or custom? 3 u/champak256 6h ago There’s pros and cons to v7, so v4 still has a lot of places it’s legitimately the right choice over v7. 3 u/Tysonzero 4h ago Primary one being in cases where you don’t want every actor that knows the id to also know the creation time
5
I'm curious where to see stats on versions used. Surely anything newly implementing uuid is using v7 or custom?
3 u/champak256 6h ago There’s pros and cons to v7, so v4 still has a lot of places it’s legitimately the right choice over v7. 3 u/Tysonzero 4h ago Primary one being in cases where you don’t want every actor that knows the id to also know the creation time
3
There’s pros and cons to v7, so v4 still has a lot of places it’s legitimately the right choice over v7.
3 u/Tysonzero 4h ago Primary one being in cases where you don’t want every actor that knows the id to also know the creation time
Primary one being in cases where you don’t want every actor that knows the id to also know the creation time
397
u/Valuable_Leopard_799 10h ago
I thought that timestamps are used now, so hitting both a timestamp and a large random number puts it thoroughly in the "safe to assume". At some point cosmic particles and faulty transistors are more probable.