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How to generate a random number in C++?
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84
The most fundamental problem of your test application is that you call srand once and then call ...
Android Reading from an Input stream efficiently
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answered Mar 30 '10 at 22:42
Jaime SorianoJaime Soriano
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How do I flush the cin buffer?
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Arslan Ali
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answered Nov 2 '08 at 17:37
Evan TeranEvan Teran
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How to initialize const member variable in a class?
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Rakete1111
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answered Jan 24 '13 at 7:22
Dinkar Thak...
Single script to run in both Windows batch and Linux Bash?
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answered Jul 12 '13 at 20:44
binkibinki
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Random number from a range in a Bash Script
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404
shuf -i 2000-65000 -n 1
Enjoy!
Edit: The range is inclusive.
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Python: Continuing to next iteration in outer loop
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answered Dec 4 '16 at 10:45
user7610user7610
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Grouped LIMIT in PostgreSQL: show the first N rows for each group?
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New solution (PostgreSQL 8.4)
SELECT
*
FROM (
SELECT
ROW_NUMBER() OVER (PARTITION BY section_id ORDER BY name) AS r,
t.*
FROM
xxx t) x
WHERE
x.r <= 2;
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How to replace an entire line in a text file by line number
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chepnerchepner
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Learning Regular Expressions [closed]
...les:
[0-9]+ (and its equivalent \d+) matches any non-negative integer
\d{4}-\d{2}-\d{2} matches dates formatted like 2019-01-01
Grouping
A quantifier modifies the pattern to its immediate left. You might expect 0abc+0 to match '0abc0', '0abcabc0', and so forth, but the pattern immediately to th...