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aikorevs

Re:Stack Overflow Developer Survey Results 2017 on Wednesday March 22, 2017 @05:51AM (#13929626)
Just learned that:

Most Popular Languages by Occupation

  For Sysadmin / DevOps no 1 is JavaScript
  For Data Scientist / Engineer no 1 is JavaScript
Re:iPad 9.7‑inch on Tuesday March 21, 2017 @08:45AM (#13921644)
Could not find what's new. Any hints ?
Re:Hash indexes are faster than btree indexes? on Monday March 20, 2017 @08:06AM (#13913383)
How do they work for range retrievals ?

EDIT: Isn't that the point of btree ?

Tried to look up modern memory latency numbers but could not find. Because "numbers every programmer should know" are about 10 years old as I understand.
So what is real life case for this ?
Can you please share your experience a bit more ? How much SELinux is really required ? What about grsecurity.

My use case is custom build Django/Postgres app.