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Difference between two dates in MySQL
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SELECT TIMEDIFF('2007-12-31 10:02:00','2007-12-30 12:01:01');
-- result: 22:00:59, the difference in HH:MM:SS format
SELECT TIMESTAMPDIFF(SECOND,'2007-12-30 12:01:01','2007-12-31 10:02:00');
-- result: 79259 the difference in seco...
Remove the legend on a matplotlib figure
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As of matplotlib v1.4.0rc4, a remove method has been added to the legend object.
Usage:
ax.get_legend().remove()
or
legend = ax.legend(...)
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legend.remove()
See here for the commit where this was introduced.
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How do I convert a hexadecimal color to rgba with the Less compiler?
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Actually, the Less language comes with an embedded function called fade. You pass a color object and the absolute opacity % (higher value means less transparent):
fade(@color, 50%); // Return @color with 50% opacity in rgba
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Stash only one file out of multiple files that have changed with Git?
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You can also use git stash save -p "my commit message". This way you can select which hunks should be added to stash, whole files can be selected as well.
You'll be prompted with a few actions for each hunk:
y - stash this hunk
n - do not stash this hunk
q - ...
Combining two lists and removing duplicates, without removing duplicates in original list
...any duplicates of the first list ignored. .. A bit hard to explain, so let me show an example of what the code looks like, and what i want as a result.
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How to checkout a specific Subversion revision from the command line?
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For some reason this does nothing for me. Still at the old revision.
– IgorGanapolsky
Aug 25 '16 at 13:10
2
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How to convert a List into a comma separated string without iterating List explicitly [dupli
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Damn, i wish i could upvote this a few times! Helped me several times!! :)
– nithinreddy
Sep 4 '15 at 10:19
3
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How do I remove/delete a virtualenv?
I created an environment with the following command: virtualenv venv --distribute
16 Answers
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HTML5 dragleave fired when hovering a child element
The problem I'm having is that the dragleave event of an element is fired when hovering a child element of that element. Also, dragenter is not fired when hovering back the parent element again.
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Sort Go map values by keys
...op, the iteration order is
not specified and is not guaranteed to be the same from one iteration
to the next. Since Go 1 the runtime randomizes map iteration order, as
programmers relied on the stable iteration order of the previous
implementation. If you require a stable iteration order you must
ma...