luk32

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luk32 has asked 24 questions and find answers to 95 problems.

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luk32 questions

Why is it legal to define arbitrary return type of overloaded operators when T or T& is expected
Is it possible to "pass" an unnamed parameter with out creating a temporary variable?
Why HttpURLConnection does not send data unless I try to receive something
Is python @decorator related to the decorator design pattern?
Are there any rules of thumb when `virtual` is a considerable overhead?
Does `Dictionary<TKey, TValue>.KeyCollection` implement `IReadOnlyCollection` or not?
Why can't I make in-class initialized `const const std::string` a static member
Is it possible to pass generic lambda as non-template argument
Undefined behaviour or gcc optimization bug
Is it possible to initialize std::vector over already allocated memory?

luk32 answers

Boost program options, empty string handling
pass std::endl to std::operator <<
Link error with static library in C++20 module
Initializing very large C++ std::bitset at compile time
How to access Eigen Vector Matrix< float, 2, 1 >
Get name of calling function, line number and file name in c++
Is there any way to get class instance attributes without creating class instance?
Auto detection of template parameters without arguments
Program crashes, Tree too large
choosing appropriate specialized template at runtime