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How can I combine hashes in Perl?
... the best way to combine both hashes into %hash1? I always know that %hash2 and %hash1 always have unique keys. I would also prefer a single line of code if possible.
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Read values into a shell variable from a pipe
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edited Apr 28 '14 at 9:19
fedorqui 'SO stop harming'
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Check if element is visible in DOM
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652
According to this MDN documentation, an element's offsetParent property will return null wheneve...
How to sort List of objects by some property
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12 Answers
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Active
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On Duplicate Key Update same as insert
... update it in any case?
For eg. if your columns a to g are already set as 2 to 8; there would be no need to re-update it.
Alternatively, you can use:
INSERT INTO table (id,a,b,c,d,e,f,g)
VALUES (1,2,3,4,5,6,7,8)
ON DUPLICATE KEY
UPDATE a=a, b=b, c=c, d=d, e=e, f=f, g=g;
To get the id from ...
How do I check the difference, in seconds, between two dates?
...ates, use total_seconds like this:
import datetime as dt
a = dt.datetime(2013,12,30,23,59,59)
b = dt.datetime(2013,12,31,23,59,59)
(b-a).total_seconds()
86400.0
#note that seconds doesn't give you what you want:
(b-a).seconds
0
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How set maximum date in datepicker dialog in android?
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answered May 25 '13 at 12:19
ozbekozbek
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How to redirect stderr to null in cmd.exe
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Your DOS command 2> nul
Read page Using command redirection operators. Besides the "2>" construct mentioned by Tanuki Software, it lists some other useful combinations.
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