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How to replace part of string by position?
... and return a new string. The StringBuilder approach avoid this extra cost by working within a pre-allocated section of memory and moving chars round within it.
– redcalx
Apr 17 '18 at 15:52
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How to get enum value by string or int
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@Johannes What do you mean by that? There is a generic way, refer my answer and others too.
– Sriram Sakthivel
May 9 '14 at 12:39
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How do you determine which backend is being used by matplotlib?
...or from within a script, how can you determine which backend is being used by matplotlib?
2 Answers
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How to convert integer timestamp to Python datetime
...r question?
EDIT: J.F. Sebastian correctly suggested to use true division by 1e3 (float 1000). The difference is significant, if you would like to get precise results, thus I changed my answer. The difference results from the default behaviour of Python 2.x, which always returns int when dividing (...
Two divs side by side - Fluid display
I am trying to place two divs side by side and using the following CSS for it.
8 Answers
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Default value to a parameter while passing by reference in C++
...ault value to a parameter of a function while we are passing the parameter by reference. in C++
17 Answers
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RuntimeWarning: invalid value encountered in divide
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I think your code is trying to "divide by zero" or "divide by NaN". If you are aware of that and don't want it to bother you, then you can try:
import numpy as np
np.seterr(divide='ignore', invalid='ignore')
For more details see:
http://docs.scipy.org/doc/num...
[ :Unexpected operator in shell programming [duplicate]
...on which name you use. You can have the script run with bash automatically by changing the first line to #!/bin/bash and making the file executable, and just running ./choose.sh.
– Tyler McHenry
Aug 5 '10 at 1:17
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How to include “zero” / “0” results in COUNT aggregate?
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LEFT JOIN appointment ON person.person_id = appointment.person_id
GROUP BY person.person_id;
The reason why this is working, is that the outer (left) join will return NULL for those persons that do not have an appointment. The aggregate function count() will not count NULL values and thus you'l...
What is the use of “ref” for reference-type variables in C#?
...C#. It details clearly the exact behaviour and usage of passing parameters by value, by reference (ref), and by output (out).
Here's an important quote from that page in relation to ref parameters:
Reference parameters don't pass the
values of the variables used in the
function member invoc...