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How would I get a cron job to run every 30 minutes?
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edited Sep 27 '11 at 13:45
Tim Cooper
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How to deal with floating point number precision in JavaScript?
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Initializing a struct to 0
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The first is easiest(involves less typing), and it is guaranteed to work, all members will be ...
How to create a density plot in matplotlib?
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Sven has shown how to use the class gaussian_kde from Scipy, but you will notice that it doesn...
SQL Server 2008 Windows Auth Login Error: The login is from an untrusted domain
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Divide a number by 3 without using *, /, +, -, % operators
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Disable/turn off inherited CSS3 transitions
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The use of transition: none seems to be supported (with a specific adjustment for Opera) given...
T-SQL datetime rounded to nearest minute and nearest hours with using functions
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declare @dt datetime
set @dt = '09-22-2007 15:07:38.850'
select dateadd(mi, datediff(mi, 0, @dt), 0)
select dateadd(hour, datediff(hour, 0, @dt), 0)
will return
2007-09-22 15:07:00.000
2007-09-22 15:00:00.000
The above just truncates the seconds and minutes, pro...
What is this operator in MySQL?
...perator, two values are compared and the result is either 0 (not equal) or 1 (equal); in other words: 'a' <=> 'b' yields 0 and 'a' <=> 'a' yields 1.
Unlike the regular = operator, values of NULL don't have a special meaning and so it never yields NULL as a possible outcome; so: 'a' <=...
What is the difference between NULL, '\0' and 0?
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