John Zwinck

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John Zwinck has asked 118 questions and find answers to 835 problems.

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John Zwinck questions

Is C scanf() prohibited from checking that integers are in range?
Is GCC miscompiling this code, or is it UB?
rPython installation fails, libpython not in linker paths
Python doctest hangs using ProcessPoolExecutor
Why do std::pair<long, long> and std::tuple<long, long> generate different code [duplicate]
GCC sometimes doesn't inline std::array::operator[]
Crontab revision control?
Why are Python itertools not classified as generators (GeneratorType)?
Specialize C++ member function based on class template argument
Python ElementTree "Invalid descendant" error

John Zwinck answers

numpy: Counting in a 2D array where an element satisfies a condition
AWK Field Separators Vanishing
Is there a method to help make this Python logic run faster
want friend function in namespace, but not the whole class
subprocess how to use command when shell = False
Is there a standard way of enumerating allocated heap blocks in Linux?
How to do a bitwise NOR Gate in Python (editing python maths to work for me)
gcc fails with template recursion, while clang does not
About printf format string in C
How to run telnet over ssh in python