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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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How do I use vimdiff to resolve a git merge conflict?
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edited Nov 5 '13 at 10:06
codebox
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fatal: 'origin' does not appear to be a git repository
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VonCVonC
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Blurry text after using CSS transform: scale(); in Chrome
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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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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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设置页使用指导 · App Inventor 2 中文网
... 用户
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滑块
volume
音量
50
最小 0，最大 100，步长 1
操作项
clear
清理缓存
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候选项和多选默认值在单行输入框中填写，多个选项用英文逗号 , 分隔，...
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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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...