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What's “P=NP?”, and why is it such a famous question? [closed]
...tions:
Polynomial time means that the complexity of the algorithm is O(n^k), where n is the size of your data (e. g. number of elements in a list to be sorted), and k is a constant.
Complexity is time measured in the number of operations it would take, as a function of the number of data items.
Op...
Comparing two dictionaries and checking how many (key, value) pairs are equal
I have two dictionaries, but for simplification, I will take these two:
26 Answers
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hash function for string
I'm working on hash table in C language and I'm testing hash function for string.
9 Answers
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What is the difference between the dot (.) operator and -> in C++? [duplicate]
...f the binding strength of the * and . operators.
*foo.bar() wouldn't work because Dot (.) operator is evaluated first (see operator precedence)
The Dot (.) operator can't be overloaded, arrow (->) operator can be overloaded.
The Dot (.) operator can't be applied to pointers.
Also see: What ...
How to use Class in Java?
...d what they really do behind the scenes over at this question , so we all know that Vector<int[]> is a vector of integer arrays, and HashTable<String, Person> is a table of whose keys are strings and values Person s.
However, what stumps me is the usage of Class<> .
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Inverse dictionary lookup in Python
Is there any straightforward way of finding a key by knowing the value within a dictionary?
13 Answers
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Efficient way to rotate a list in python
...st efficient way to rotate a list in python?
Right now I have something like this:
26 Answers
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Getting SyntaxError for print with keyword argument end=' '
...t with a tuple as argument.
That's obviously bad syntax (literals don't take keyword arguments). In Python 3.x print is an actual function, so it takes keyword arguments, too.
The correct idiom in Python 2.x for end=" " is:
print "foo" % bar,
(note the final comma, this makes it end the line wi...
Why does Lua have no “continue” statement?
I have been dealing a lot with Lua in the past few months, and I really like most of the features but I'm still missing something among those:
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Get the data received in a Flask request
I want to be able to get the data sent to my Flask app. I've tried accessing request.data but it is an empty string. How do you access request data?
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