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Enthusiast embedded systems R&D engineer. A job near Paris? contact me at yankel-pro at scialom.org.

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Access to protected member through member-pointer: is it a hack?

c++ language-lawyer protected access-specifier member-pointers asked Mar 29, 2018 at 7:48

stackoverflow.com

54 votes

How does this float square root approximation work?

c++ c optimization floating-point ieee-754 asked Mar 30, 2017 at 13:57

stackoverflow.com

47 votes

Make a function accepting an optional to accept a non-optional?

c++ templates c++17 optional template-deduction asked Aug 21, 2018 at 8:56

stackoverflow.com

26 votes

What trait / concept can guarantee memsetting an object is well defined?

c++ c++14 metaprogramming sfinae c++20 asked Nov 16, 2018 at 13:56

stackoverflow.com

25 votes

Is ADL the only way to call a friend inline function?

c++ language-lawyer friend argument-dependent-lookup name-lookup asked Jul 12, 2018 at 11:31

stackoverflow.com

24 votes

What exactly can wchar_t represent?

c++ unicode character-encoding asked May 18, 2018 at 14:22

stackoverflow.com

23 votes

Is it OK to make a placement new on memory managed by a smart pointer?

c++ language-lawyer c++17 smart-pointers undefined-behavior asked Jan 8, 2019 at 15:47

stackoverflow.com

17 votes

Perfect forwarding of a callable

c++ lambda c++14 perfect-forwarding asked Jan 29, 2019 at 10:28

stackoverflow.com

17 votes

Implicit special functions: when would they be ill-formed?

c++ c++11 c++03 asked Mar 16, 2018 at 11:37

stackoverflow.com

14 votes

Installed software from source, how to say yum not to install it from package?

centos yum package-management asked Jun 28, 2019 at 7:50

serverfault.com

Top Answers

117

What is the idea behind ^= 32, that converts lowercase letters to upper and vice versa?

stackoverflow.com

112

Does an unused data member take up memory?

stackoverflow.com

In C++, should I bother to cache variables, or let the compiler do the optimization? (Aliasing)

stackoverflow.com

C++: Reading a json object from file with nlohmann json

stackoverflow.com

Variable number of arguments in C++?

stackoverflow.com

Avoiding implicit conversion in constructor. The 'explicit' keyword doesn't help here

stackoverflow.com

How to override static method of template class in derived class

stackoverflow.com

Why isn't there an endianness modifier in C++ like there is for signedness?

stackoverflow.com

Print a 10 by 10 grid of asterisks

codegolf.stackexchange.com

Explicit call to destructor

stackoverflow.com

Is std::string guaranteed not to give back memory spontaneously?

stackoverflow.com

Overhead of `using`

stackoverflow.com

Deleting raw pointers from std::vector

stackoverflow.com

Is the value of `this` pointer constant during the object's lifetime?

stackoverflow.com

C++ zero initialization - Why is `b` in this program uninitialized, but `a` is initialized?

stackoverflow.com

volatile struct = struct not possible, why?

stackoverflow.com

GCC and Clang don't compile std::hash<std::nullptr_t> in C++17

stackoverflow.com

Inconsistent behaviour across compilers in regard to instantiation of a template in a discarded if constexpr(false) statement

stackoverflow.com

std::iota is very limited

stackoverflow.com

Behaviour of negative zero (-0.0) in comparison with positive zero (+0.0)

stackoverflow.com

How to read so many stars and parentheses in a templated function-pointer declaration?

stackoverflow.com

Comparing floating point values converted from strings with literals

stackoverflow.com

Does the STL specify the header guards for its headers?

stackoverflow.com

Template (.tpp) file include guards

stackoverflow.com

Why does the implicit type conversion not work in template deduction?

stackoverflow.com

Are infinite std::chrono::duration objects legal?

stackoverflow.com

Writing binary data to fstream in c++

stackoverflow.com

Print a bunch of uninteresting numbers!

codegolf.stackexchange.com

What is s in std::this_thread::sleep_for(2s)?

stackoverflow.com

Pre C++20 bit field zero-initialization

stackoverflow.com