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sed: print only matching group
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Match the whole line, so add a .* at the beginning of your regex. This causes the entire line ...
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 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...
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...
How to insert newline in string literal?
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How to echo or print an array in PHP?
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Modulo operation with negative numbers
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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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How do I retrieve the number of columns in a Pandas data frame?
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312
Like so:
import pandas as pd
df = pd.DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": [...
Best way to represent a fraction in Java?
...arable<BigFraction>
{
private static final long serialVersionUID = 1L; //because Number is Serializable
private final BigInteger numerator;
private final BigInteger denominator;
public final static BigFraction ZERO = new BigFraction(BigInteger.ZERO, BigInteger.ONE, true);
public fin...