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Run an OLS regression with Pandas Data Frame
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I think you can almost do exactly what you thought would be ideal, using the statsmodels packa...
Rails 4 LIKE query - ActiveRecord adds quotes
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edited Dec 10 '15 at 19:48
Ian Vaughan
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how do i remove a comma off the end of a string?
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How to right align widget in horizontal linear layout Android?
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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": [...
How to get a variable name as a string in PHP?
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edited Nov 1 '08 at 1:11
answered Nov 1 '08 at 0:42
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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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Get first and last day of month using threeten, LocalDate
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