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Python: Select subset from list based on index set
...irst option is equivalent to itertools.compress available since Python 2.7/3.1. See @Gary Kerr's answer.
property_asel = list(itertools.compress(property_a, good_objects))
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O(n): The Counter() method is best (if your objects are hashable):
def compare(s, t):
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answered Jan 24 '12 at 23:20
GlaslosGlaslos
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I'd suggest marking the Hibernate DAO class with @Primary, i.e. (assuming you used @Repository ...
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PhilippPhilipp
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How to get “wc -l” to print just the number of lines without file name?
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Dave Jarvis
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Given an array of numbers, return array of products of all other numbers (no division)
... 1, a[0], a[0]*a[1], a[0]*a[1]*a[2], }
{ a[1]*a[2]*a[3], a[2]*a[3], a[3], 1, }
Both of which can be done in O(n) by starting at the left and right edges respectively.
Then multiplying the two arrays element by element gives the required result
My...