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Random number generation in C++11: how to generate, how does it work? [closed]
...uppose you have a simple random number generator that generate the numbers 0, 1, ..., 10 each with equal probability (think of this as the classic rand()). Now you want a random number in the range 0, 1, 2, each with equal probability. Your knee-jerk reaction would be to take rand() % 3. But wait, t...
Optimise PostgreSQL for fast testing
...shsafe and might eat your data.
Learning
Greg Smith's book, PostgreSQL 9.0 High Performance remains relevant despite referring to a somewhat older version. It should be a useful reference.
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Reading:
Tuning your PostgreSQL server - PostgreS...
CALL command vs. START with /WAIT option
...ll remain open
– FrinkTheBrave
Mar 30 '15 at 7:36
5
You can find the comparison between CALL and ...
How can I make a time delay in Python? [duplicate]
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3028
import time
time.sleep(5) # Delays for 5 seconds. You can also use a float value.
Here is ...
Force unmount of NFS-mounted directory [closed]
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answered Sep 2 '08 at 19:05
tesseintessein
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Get name of current script in Python
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edited Apr 30 at 13:22
answered Nov 11 '10 at 9:35
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How to execute an .SQL script file using c#
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MySQL vs MongoDB 1000 reads
...ve been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'.
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How can I check for an empty/undefined/null string in JavaScript?
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edited Jun 2 '18 at 0:29
user5779136
answered Sep 30 '08 at 17:20
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Is there a query language for JSON?
...have different conceptual models (hierarchic vs object/struct).
EDIT Sep-2015: Actually there is now JSON Pointer standard that allows very simple and efficient traversal of JSON content. It is not only formally specified, but also supported by many JSON libraries. So I would call it actual real us...