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Is it worth using Python's re.compile?
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I've had a lot of experience running a compiled regex 1000s of times versus compiling on-the-fly, and have not noticed any perceivable difference. Obviously, this is anecdotal, and certainly not a great argument against compiling, but I've found the difference to be negligible....
How to normalize a NumPy array to within a certain range?
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140
audio /= np.max(np.abs(audio),axis=0)
image *= (255.0/image.max())
Using /= and *= allows yo...
Array include any value from another array?
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edited Jan 18 at 6:58
answered Oct 15 '10 at 11:55
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Compare if BigDecimal is greater than zero
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416
It's as simple as:
if (value.compareTo(BigDecimal.ZERO) > 0)
The documentation for compar...
How to run cron job every 2 hours
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edited Jul 14 '18 at 14:09
Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
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Splitting a list into N parts of approximately equal length
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31 Answers
31
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
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91
The order of evaluation of subexpressions, including
the arguments of a function call and
oper...
Using comparison operators in Scala's pattern matching system
...i.e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than superficially different to putting an if after the =>, becau...
python pandas remove duplicate columns
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edited Aug 23 '19 at 13:30
Jean-François Corbett
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