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Add missing dates to pandas dataframe
... of different index length where joins, merges etc. almost always leads to errors such as a column full of NaNs.
– user3661992
Sep 7 at 10:24
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When to use cla(), clf() or close() for clearing a plot in matplotlib?
... Does this work with regards to jupyter? I keep hitting memory errors because figures are not being garbage collected when I rerun a cell in jupyter.
– CMCDragonkai
Mar 5 '17 at 5:35
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Optional query string parameters in ASP.NET Web API
...ll as default value, and use server side validation accordingly and return error messages back. It worked.
– Atta H.
May 10 '19 at 17:18
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Benefits of inline functions in C++?
...low multiple sources to include it without getting a "multiple definition" error by the linker.
Member functions defined inside a class are "inline" by default, as are template functions (in contrast to global functions).
//fileA.h
inline void afunc()
{ std::cout << "this is afunc" << ...
In C#, how do I calculate someone's age based on a DateTime type birthday?
...tively without all the type conversion in the form of an extension method. Error checking omitted:
public static Int32 GetAge(this DateTime dateOfBirth)
{
var today = DateTime.Today;
var a = (today.Year * 100 + today.Month) * 100 + today.Day;
var b = (dateOfBirth.Year * 100 + dateOfBir...
Specifying and saving a figure with exact size in pixels
...ion of image data as it would introduce unknown and unpredictable noise or errors. For example, here is a snippet from a 480x480 image saved via pyplot.savefig():
Detail of pixels which matplotlib resampled to be roughly 2x2, but notice the column of 1x2 pixels
You can see that most pixels were simp...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...(($(date '+%s') - ${time_beg})) -gt ${time_max} ] ; then
echo "Error: waited too long for lock file /tmp/global.lock" 1>&2
return 1
fi
sleep 1
done
return 0
}
function lockfile_release()
{
rm -f /tmp/global.lock
}
if ! lockfile_wa...
Django Setup Default Logging
...but you have to create the logs/ folder first :-). Otherwise you'll get an error when you run ./manange.py runserver. @Chris W. Thanks for your example logging settings. It helped me out a lot!
– hobbes3
Apr 3 '12 at 4:47
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How to swap keys and values in a hash
... expecting a hash to behave in that way, and it could cause some insidious error later. I can't really justify this concern. It's just a doubt I can't seem to ignore. Principle of least surprise?
– Nigel Thorne
May 10 '19 at 2:30
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First-time database design: am I overengineering? [closed]
...ces than simply Private Sector / Public Sector).
Also, I think there's an error in your usage of the Departments table. It looks like the Departments table serves as a reference to the various kinds of departments that each customer division can have. If so, it should be called DepartmentTypes. ...