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sed in-place flag that works both on Mac (BSD) and Linux
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How to count items in a Go map?
...an be found on the contributor page. The source is licenced under CC BY-SA 3.0 and may be found in the Documentation archive. Reference topic ID: 732 and example ID: 2528.
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postgresql: INSERT INTO … (SELECT * …)
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edited May 23 '17 at 12:26
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answered May 21 '11 at 17:53
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Should I use multiplication or division?
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Python:
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 / 2.0'
real 0m26.676s
user 0m25.154s
sys 0m0.076s
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 * 0.5'
real 0m17.932s
user 0m16.481s
sys 0m0.048s
multiplication is 33% faste...
Outlook autocleaning my line breaks and screwing up my email format
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answered Oct 29 '08 at 18:43
Alex BAlex B
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Drop multiple tables in one shot in mysql
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136
Example:
Let's say table A has two children B and C. Then we can use the following syntax to d...
Why would someone use WHERE 1=1 AND in a SQL clause?
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If the list of conditions is not known at compile time and is instead built at run time, you d...
What is the easiest way to initialize a std::vector with hardcoded elements?
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edited Feb 10 '10 at 13:30
answered Feb 10 '10 at 11:00
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How to get start and end of day in Javascript?
How to get start ( 00:00:00 ) and end ( 23:59:59 ) of today in timestamp ( GMT )? Computer use a local time.
7 Answers
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Get record counts for all tables in MySQL database
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431
SELECT SUM(TABLE_ROWS)
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = '{your_d...