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How do I turn off the unlimited whitespace in IntelliJ editor?
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File menu -> Settings -> Editor -> General -> Virtual Space and uncheck 'Allow pla...
Where can I view Tomcat log files in Eclipse?
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edited Sep 29 '15 at 17:27
zb226
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answered Fe...
I lose my data when the container exits
... 5 '16 at 1:51
JamesThomasMoon1979
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answered Oct 25 '13 at 9:42
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What is the current directory in a batch file?
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How to temporarily exit Vim and go back
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answered Dec 10 '09 at 7:37
zenzen
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How can I apply a function to every row/column of a matrix in MATLAB?
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Many built-in operations like sum and prod are already able to operate across rows or columns, ...
How to redirect to a different domain using NGINX?
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Github “Updates were rejected because the remote contains work that you do not have locally.”
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How can I convert an RGB image into grayscale in Python?
...'greyscale.png')
Using matplotlib and the formula
Y' = 0.2989 R + 0.5870 G + 0.1140 B
you could do:
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.image as mpimg
def rgb2gray(rgb):
return np.dot(rgb[...,:3], [0.2989, 0.5870, 0.1140])
img = mpimg.imread('image.png...
What is the purpose of “return await” in C#?
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