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Multi-line commands in GHCi
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Most of the time, you can rely on type inference to work out a signature for you. In your exam...
How can I tell if one commit is a descendant of another commit?
...). git rev-parse is here needed to convert from commit name to commit SHA-1 / commit id.
Using git rev-list like in VonC answer is also possibility.
Edit: in modern Git there is explicit support for this query in the form of git merge-base --is-ancestor.
If one of commits you are asking about ...
How can I get the DateTime for the start of the week?
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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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Find the extension of a filename in Ruby
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167
That's really basic stuff:
irb(main):002:0> accepted_formats = [".txt", ".pdf"]
=> [".t...
Adding days to $Date in PHP
I have a date returned as part of a mySQL query in the form 2010-09-17
9 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...
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...
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...
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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