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remove None value from a list without removing the 0 value
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How can I sort a dictionary by key?
What would be a nice way to go from {2:3, 1:89, 4:5, 3:0} to {1:89, 2:3, 3:0, 4:5} ?
I checked some posts but they all use the "sorted" operator that returns tuples.
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Implement Stack using Two Queues
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194
Version A (efficient push):
push:
enqueue in queue1
pop:
while size of queue1 is bigge...
Cleanest and most Pythonic way to get tomorrow's date?
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datetime.date.today() + datetime.timedelta(days=1) should do the trick
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Int division: Why is the result of 1/3 == 0?
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How do I convert a numpy array to (and display) an image?
...(and display) an image:
from PIL import Image
import numpy as np
w, h = 512, 512
data = np.zeros((h, w, 3), dtype=np.uint8)
data[0:256, 0:256] = [255, 0, 0] # red patch in upper left
img = Image.fromarray(data, 'RGB')
img.save('my.png')
img.show()
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How to extract numbers from a string and get an array of ints?
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