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Matplotlib (pyplot) savefig outputs blank image
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304
First, what happens when T0 is not None? I would test that, then I would adjust the values I p...
Returning binary file from controller in ASP.NET Web API
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answered Mar 3 '12 at 21:09
carlosfigueiracarlosfigueira
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Why are #ifndef and #define used in C++ header files?
...he header is included, it checks if a unique value (in this case HEADERFILE_H) is defined. Then if it's not defined, it defines it and continues to the rest of the page.
When the code is included again, the first ifndef fails, resulting in a blank file.
That prevents double declaration of any iden...
How to remove last n characters from every element in the R vector
...rame("data"=char_array,"data2"=1:4)
a$data = substr(a$data,1,nchar(a$data)-3)
a should now contain:
data data2
1 foo_ 1
2 bar_ 2
3 ap 3
4 b 4
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Set the value of a variable with the result of a command in a Windows batch file
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63
To do what Jesse describes, from a Windows batch file you will need to write:
for /f "delims=" ...
How to round a number to significant figures in Python
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You can use negative numbers to round integers:
>>> round(1234, -3)
1000.0
Thus if you need only most significant digit:
>>> from math import log10, floor
>>> def round_to_1(x):
... return round(x, -int(floor(log10(abs(x)))))
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>>> round_to_1(0.0232)...
Foreign Key naming scheme
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edited Oct 14 '08 at 0:32
answered Oct 14 '08 at 0:21
Gr...
e.printStackTrace equivalent in python
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answered Mar 4 '12 at 13:15
ThiefMasterThiefMaster
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