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Uncategorised 2018-06-12 2018-06-12 summary
tech
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https://github.com/wahyd4/knowledge/blob/master/categories/uncategorised.md

Uncategorised

Some interesting questions

UUID or UUID4

  • UUID use current time and your computer MAC address to generate the id
  • UUID4 which 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.