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How to extract the n-th elements from a list of tuples?
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and use **dict to create keyword arguments: def test(foo=3, bar=3): return foo*bar then d = {'bar': 9, 'foo'=12}; print test(**d)
– Wayne Werner
Jul 22 '10 at 12:58
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Why is std::map implemented as a red-black tree?
...bly the two most common self balancing tree algorithms are Red-Black trees and AVL trees. To balance the tree after an insertion/update both algorithms use the notion of rotations where the nodes of the tree are rotated to perform the re-balancing.
While in both algorithms the insert/delete operat...
Algorithm to find top 10 search terms
I'm currently preparing for an interview, and it reminded me of a question I was once asked in a previous interview that went something like this:
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Convert all strings in a list to int
...f map, so prepare to use list comprehensions anyway if you ever use that standard. :)
– ThorSummoner
Feb 12 '15 at 6:41
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How to strip all whitespace from string
...egex is cached, so it's not as slow as you'd imagine. Compiling it beforehand helps some, but would only matter in practice if you call this many times:
$ python -m timeit -s 'import re; e = re.compile(r"\s+")' 'e.sub("", " \t foo \n bar ")'
100000 loops, best of 3: 7.76 usec per loop
Even thoug...
How many levels of pointers can we have?
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The C standard specifies the lower limit:
5.2.4.1 Translation limits
276 The implementation shall be able to translate and execute at least one program that contains at least one instance of every one of the following limits...
parseInt(null, 24) === 23… wait, what?
Alright, so I was messing around with parseInt to see how it handles values not yet initialized and I stumbled upon this gem. The below happens for any radix 24 or above.
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RegEx backreferences in IntelliJ
I want to use IntelliJ's find-and-replace feature to perform the following transformation:
4 Answers
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Is there a ceiling equivalent of // operator in Python?
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There is no operator which divides with ceil. You need to import math and use math.ceil
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Code for Greatest Common Divisor in Python [closed]
The greatest common divisor (GCD) of a and b is the largest number that divides both of them with no remainder.
20 Answers
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