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How to run cron job every 2 hours

... | 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

... >>> 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....
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Is it worth using Python's re.compile?

... 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....
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Accessing the index in 'for' loops?

... | edited Sep 17 '16 at 10:13 Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges ...
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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”

... | edited Sep 9 '18 at 22:11 ataravati 7,76755 gold badges4343 silver badges6666 bronze badges ...
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Compare if BigDecimal is greater than zero

... 416 It's as simple as: if (value.compareTo(BigDecimal.ZERO) > 0) The documentation for compar...
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List comprehension in Ruby

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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 ...