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PostgreSQL, checking date relative to “today”
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select * from mytable where mydate > now() - interval '1 year';
If you only care about th...
Remove redundant paths from $PATH variable
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Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
The --depth 1 option in git clone :
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MySQL Query to select data from last week?
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21 Answers
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How to delete a record in Django models?
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There are a couple of ways:
To delete it directly:
SomeModel.objects.filter(id=id).delete()
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Can you change what a symlink points to after it is created?
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AFAIK, no, you can't. You have to remove it and recreate it. Actually, you can overwrite a sym...
How to show only next line after the matched one?
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How can I increment a char?
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In Python 2.x, just use the ord and chr functions:
>>> ord('c')
99
>>> ord(...
How to map atan2() to degrees 0-360
atan2(y, x) has that discontinuity at 180° where it switches to -180°..0° going clockwise.
15 Answers
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PHP: Count a stdClass object
...he object has 30 properties, but the return on the count() function is say 1.
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