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Removing multiple keys from a dictionary safely
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answered Jan 24 '12 at 23:20
GlaslosGlaslos
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How to show and update echo on same line
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203
Well I did not read correctly the man echo page for this.
echo had 2 options that could do this...
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...
Fixed width buttons with Bootstrap
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321
You can also use the .btn-block class on the button, so that it expands to the parent's width....
How to change the background color of a UIButton while it's highlighted?
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30 Answers
30
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Should I use 'has_key()' or 'in' on Python dicts?
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1348
in is definitely more pythonic.
In fact has_key() was removed in Python 3.x.
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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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Autowiring two beans implementing same interface - how to set default bean to autowire?
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134
I'd suggest marking the Hibernate DAO class with @Primary, i.e. (assuming you used @Repository ...