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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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SQL - Update multiple records in one query
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177
Try either multi-table update syntax
UPDATE config t1 JOIN config t2
ON t1.config_name =...
How can I catch a ctrl-c event?
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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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How to insert newline in string literal?
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12 Answers
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