大约有 30,000 项符合查询结果（耗时：0.0317秒） [XML]
Standardize data columns in R
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DasonDason
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How can I check whether a numpy array is empty or not?
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http://www.scipy.org/Tentative_NumPy_Tutorial#head-6a1<em>bcem>005bd80e1b19<em>fem>812e1e64e0d25d50<em>fem>99<em>fem>e2
NumPy's main object is the homogeneous multidimensional array. In Numpy dimensions are called axes. The number o<em>fem> axes is rank. Numpy's array class is called ndarray. It is also known...
Programmer Puzzle: Encoding a chess board state throughout a game
...Castling
The game has proceeded as <em>fem>ollows:
e4 e5
N<em>fem>3 Nc6
Bb5 a6
Ba4 <em>Bcem>5
The board looks as <em>fem>ollows:
White has the option o<em>fem> castling. Part o<em>fem> the requirements <em>fem>or this are that the king and the relevant rook can never have moved, so whether the king or either rook o<em>fem> <em>eacem>h side has moved ...
Sending message through WhatsApp
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Partharaj Deb
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answered Oct 13 '14 at 7:39
SatheeshSatheesh
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How to calculate moving average using NumPy?
...ns, 10 loops <em>eacem>h)
Timing, Large window (n=1001)
Direct "<em>fem>or" loop :
4.67 s ± 34 ms per loop (mean ± std. dev. o<em>fem> 7 runs, 1 loop <em>eacem>h)
List comprehension :
4.46 s ± 14.6 ms per loop (mean ± std. dev. o<em>fem> 7 runs, 1 loop <em>eacem>h)
scipy.convolve :
103 ms ± 165 µs per loop (mean ± std. dev. o...
How to extract numbers <em>fem>rom a string in Python?
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d<em>fem>osticd<em>fem>ostic
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How to debug Ruby scripts [closed]
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Andrew Marshall
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answered Oct 18 '10 at 7:48
germanlinux...
Remove rows with all or some NAs (missing values) in data.<em>fem>rame
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Joris MeysJoris Meys
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Is there a way to cache GitHub credentials <em>fem>or pushing commits?
...ntial.helper cache doesn't work on windows: stackover<em>fem>low.com/questions/11693074/… use gitcredentialstore on Windows an be happy
– Sebastian J.
Jan 2 '15 at 15:35
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Good Hash <em>Fem>unction <em>fem>or Strings
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<em>Fem>estus Tamakloe<em>Fem>estus Tamakloe
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