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How is this fibonacci-function memoized?
...In normal doubly-recursve Fibonacci definition, fib n = fib (n-1) + fib (n-2), the function itself gets called, twice from the top, causing the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list":
fib n = (xs!!(n-1)) + (xs!!(n-2)) where x...
Numpy `logical_or` for more than two arguments
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If you're asking about numpy.logical_or, then no, as the docs explicitly say, the only parameter...
UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?
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What is the difference between “git branch” and “git checkout -b”?
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git checkout -b BRANCH_NAME creates a new branch and checks out the new branch while git branc...
Javascript seconds to minutes and seconds
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Git rebase merge conflict cannot continue
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There are a couple situations where I've seen rebase get stuck. One is if the changes become n...
How big is too big for a PostgreSQL table?
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How to get users to read error messages?
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How to detect duplicate values in PHP array?
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You can use array_count_values function
$array = array('apple', 'orange', 'pear', 'banana', '...