User Stefan Pochmann - MathOverflow Meta

Stefan Pochmann

Member for 6 years, 4 months
Last seen more than 4 years ago

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Some nice/interesting posts of mine:

Fast zip_equal (like Python 3.10's zip(..., strict=True).
itertools.groupby explained.
Really nice: [2, a, b, 1, c, 3, d, e, f] ⇒ [[2, a, b], [1, c], [3, d, e, f]]
Really silly: List comprehension with state.

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Dec 28, 2019

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165

Return string with first match for a regex, handling case where there is no match

149

What causes [*a] to overallocate?

91

Why is copying a shuffled list much slower?

61

Why is "1000000000000000 in range(1000000000000001)" so fast in Python 3?

43

Finding first and last index of some value in a list in Python