Как проверить, является ли массив пустым в numpy (или массивом с нулевыми элементами)?
import numpy as np
arr = np.zeros((1,0)) #returns empty array
print(arr.size) #returns 0
Библиотека собеса по Python
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Importantly, that investor viewpoint is not new. It cycles in when conditions are right (and vice versa). It also brings the ineffective warnings of an overpriced market with it.Looking toward a good 2022 stock market, there is no apparent reason to expect these issues to change.
The seemingly negative pandemic effects and resource/product shortages are encouraging and allowing organizations to innovate and change.The news of cash-rich organizations getting ready for the post-Covid growth economy is a sign of more than capital spending plans. Cash provides a cushion for risk-taking and a tool for growth.
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