John Zwinck

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John Zwinck has asked 124 questions and find answers to 961 problems.

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John Zwinck questions

LuaSocket FTP always times out
Rcpp: how to keep files generated by sourceCpp?
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]

John Zwinck answers

Using C wrapper of C++ code for ABI stability?
Map value from list of tuples to another list
I cannot understand how a struct can substitute a typedef
Is it possible to have a function-try-block per member initialiser?
Compilation error when using Parent::operator<=> in two derived classes only on gcc 12 but not in clang++14
Generating a Plotly Heat Map from a pandas pivot table
Sleep command in sh with variables
How key in python sorted method can use a list
How does git LFS track and store binary data more efficiently than git?
Looping through big files takes hours in Python