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Multi-line commands in GHCi
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187
Most of the time, you can rely on type inference to work out a signature for you. In your exam...
See what process is using a file in Mac OS X
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edited Aug 10 '19 at 16:03
agillgilla
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How to insert newline in string literal?
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12 Answers
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How can I catch a ctrl-c event?
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174
signal isn't the most reliable way as it differs in implementations. I would recommend using s...
Modulo operation with negative numbers
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Run an OLS regression with Pandas Data Frame
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154
I think you can almost do exactly what you thought would be ideal, using the statsmodels packa...
How to check if one of the following items is in a list?
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How do I retrieve the number of columns in a Pandas data frame?
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Like so:
import pandas as pd
df = pd.DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": [...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...ulates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular implementation?
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how do i remove a comma off the end of a string?
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