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635 B
635 B
title, created, updated, type, tags, external
| title | created | updated | type | tags | external | ||
|---|---|---|---|---|---|---|---|
| Uncategorised | 2018-06-12 | 2018-06-12 | summary |
|
https://github.com/wahyd4/knowledge/blob/master/categories/uncategorised.md |
Uncategorised
Some interesting questions
UUID or UUID4
UUIDuse current time and your computer MAC address to generate the idUUID4which is much simpler. Each and every bit of a UUID v4 is generated randomly and with no inherent logic. With the sheer number of possible combinations (2^128), it would be almost impossible to generate a duplicate unless you are generating trillions of IDs every second, for many years.