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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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Numpy: Get random set of rows from 2D array
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>>> A = np.random.randint(5, size=(10,3))
>>> A
array([[1, 3, 0],
[3, 2, 0],
[0, 2, 1],
[1, 1, 4],
[3, 2, 2],
[0, 1, 0],
[1, 3, 1],
[0, 4, 1],
[2, 4, 2],
[3, 3, 1]])
>>> idx = np....
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....
Accessing the index in 'for' loops?
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edited Sep 17 '16 at 10:13
Peter Mortensen
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Are there any O(1/n) algorithms?
Are there any O(1/n) algorithms?
32 Answers
32
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How do I count the number of occurrences of a char in a String?
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Razor View throwing “The name 'model' does not exist in the current context”
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edited Sep 9 '18 at 22:11
ataravati
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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...
Java: how can I split an ArrayList in multiple small ArrayLists?
How can I split an ArrayList (size=1000) in multiple ArrayLists of the same size (=10) ?
18 Answers
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