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How do I convert an interval into a number of hours with postgres?
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select floor((date_part('epoch', order_time - '2016-09-05 00:00:00') / 3600)), count(*)
from od_a_week
group by floor((date_part('epoch', order_time - '2016-09-05 00:00:00') / 3600));
The ::int conversion follows the principle of rounding.
If you want a different result such as...
How to detect online/offline event cross-browser?
...wifi off.
– Manish
Feb 21 '14 at 12:05
I tried visiting the "Source" link and disconnected ethernet cable, it showed "...
How to deal with page breaks when printing a large HTML table
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Josh PJosh P
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How can I pass arguments to a batch file?
...n't repeated.
– ruffin
Jul 31 at 21:05
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The Web Application Project […] is configured to use IIS. The Web server […] could not be found.
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edited Mar 30 '17 at 23:05
ruffin
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answered M...
Calc of max, or max of calc in CSS
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edited Dec 13 '17 at 21:05
Nathan Arthur
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Browser detection in JavaScript? [duplicate]
...is M?
– kleinfreund
Oct 4 '17 at 11:05
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How to replace master branch in Git, entirely, from another branch? [duplicate]
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edited Oct 4 '19 at 11:05
Dale K
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How do I show the value of a #define at compile-time?
...gcc.gnu.org/onlinedocs/cpp/Stringification.html
– rob05c
Feb 12 '15 at 22:22
This also works great with Xcode 8, e.g. ...
How do I simulate a hover with a touch in touch enabled browsers?
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answered May 23 '10 at 9:05
Rich BradshawRich Bradshaw
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