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How to redirect 'print' output to a file using python?
...ename # Python 2.x
print('Filename:', filename, file=f) # Python 3.x
However, redirecting stdout also works for me. It is probably fine for a one-off script such as this:
import sys
orig_stdout = sys.stdout
f = open('out.txt', 'w')
sys.stdout = f
for i in range(2):
print 'i = ', ...
Get __name__ of calling function's module in Python
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3 Answers
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How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
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Dave Jarvis
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answered Jun 24 '12 at 14:04
Dominic Tancred...
Display a float with two decimal places in Python
...uld use the string formatting operator for that:
>>> '%.2f' % 1.234
'1.23'
>>> '%.2f' % 5.0
'5.00'
The result of the operator is a string, so you can store it in a variable, print etc.
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How do I check if a string is a number (float)?
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Where and why do I have to put the “template” and “typename” keywords?
... type, it will be a multiplication. So the C++ Standard says at paragraph (3/7):
Some names denote types or templates. In general, whenever a name is encountered it is necessary to determine whether that name denotes one of these entities before continuing to parse the program that contains it. ...
Good examples of Not a Functor/Functor/Applicative/Monad?
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Dietrich EppDietrich Epp
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Implications of foldr vs. foldl (or foldl')
...thias Braun
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answered Dec 21 '08 at 20:41
Chris ConwayChris Conway
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How to copy files between two nodes using ansible
...red Aug 27 '14 at 9:34
user3228188user3228188
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Efficient evaluation of a function at every cell of a NumPy array
...y each time you need it:
import numpy as np
def f(x):
return x * x + 3 * x - 2 if x > 0 else x * 5 + 8
f = np.vectorize(f) # or use a different name if you want to keep the original f
result_array = f(A) # if A is your Numpy array
It's probably better to specify an explicit output typ...