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geza has asked 194 questions and find answers to 146 problems.

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geza questions

Is it possible to iterate through enum members in a constexpr function, so the values are constexpr?
Implicit creation of objects in C++20, understanding the type punning example of the proposal
Selecting between conversion operators when they are ambiguous
Lifetime of object which has vacuous initialization
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)?

geza answers

Is using for loops faster than saving things in a vector in C++?
print all threads stack trace of a process in c/c++ on linux platform
c++ fastest way to check if char is vowel or consonant
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