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Display image as grayscale using matplotlib
...me).convert("L")
arr = np.asarray(image)
plt.imshow(arr, cmap='gray', vmin=0, vmax=255)
plt.show()
If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'.
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Catching an exception while using a Python 'with' statement
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answered Apr 3 '09 at 13:04
Douglas LeederDouglas Leeder
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Why are my basic Heroku apps taking two seconds to load?
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edited Jan 20 '18 at 22:03
Tomáš Hübelbauer
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How to get last key in an array?
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answered Feb 27 '10 at 17:11
Pascal MARTINPascal MARTIN
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Can a JSON value contain a multiline string
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edited Dec 30 '13 at 12:37
answered May 22 '13 at 11:08
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Return from lambda forEach() in java
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edited May 6 '14 at 16:07
answered May 1 '14 at 11:53
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Tying in to Django Admin's Model History
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edited Jan 7 '15 at 12:03
Pēteris Caune
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Difference between CC, gcc and g++?
...pilers all generally hew fairly close to the current standards (C++98, C++2003, C99), but there are usually small differences between the standard language and the language supported by the compiler. The older C89 standard support is essentially the same (and complete) for all C compilers. There a...
How do I make a fully statically linked .exe with Visual Studio Express 2005?
...C++ environment is the free and largely excellent Microsoft Visual Studio 2005 Express edition. From time to time I have sent release .exe files to other people with pleasing results. However recently I made the disturbing discovery that the pleasing results were based on more luck that I would like...
Configuring Log4j Loggers Programmatically
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Aamir
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answered Jan 25 '12 at 13:04
oersoers
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