John Zwinck

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John Zwinck has asked 122 questions and find answers to 886 problems.

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John Zwinck questions

GCC 8 fails to compile make_shared<volatile int>()
Pandas: how to add missing columns to a DataFrame when assigning Series as row
Boost Intrusive unordered_set broken in 1.48 with GCC in C++11 mode
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?

John Zwinck answers

In socket.io with node.js, how can I determine the server IP of a specific connection?
Receiving broadcast UDP on a specific interface with Twisted Python
Is there function for displaying text in R window?
Concurrent futures wait for subset of tasks
Move methods to another Python file
use multithreading in numba
python 3 round function approximation
if your base class has a virtual destructor, your own destructor is automatically virtual
What is the most efficient way to recalculate attributes of a Boost Spirit parse with a different symbol table?
Reading with vector::data()[] seems faster than vector[]