geza

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geza has asked 189 questions and find answers to 143 problems.

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geza questions

Workaround for passing parameter pack to alias templates (which have non-pack parameters)
Wrapper function which calls another function with the arguments passed in a rotated order
How to create C++20 concept for typelist predicate?
Name hiding for declarations which made visible by a using-directive
Why does gcc compare seemingly equal floating point values as different with "-fexcess-precision=standard"?
How to add a bool into a struct without increasing sizeof (in case that there is padding in the struct)?
Can the address of a template parameter be used in instantiating another template?
Why does a variable refer to the variable outside of a lambda, if it is not odr used?
Is it possible to clone a file descriptor?
What is the type of a by-value lambda capture of a reference?

geza answers

std::type_info for array of runtime defined length
Why does GCC optimize out assignments here?
Why is dynamic_cast to a non-unique base class type allowed?
Qestion about understanding "detach()" on threads in C++
Gnu Scientific Library poor preformance compared to libc
Correctness of misaligned access in C++
Why is gcc -O3 auto-vectorizing factorial? That many extra instructions looks worse
dynamic_cast to derived type with unknown template argument
How to deal with -Wreturn-type for switch over C++11 enum class?
Practical use of Anonymous union in real world C++ programing