Sander De Dycker questions

Sander De Dycker answers

• Has sscanf changed in MSVC++ 15+?
• A point from the ISO C++ draft (n3290): 3.4.3.2/2 Namespace members
• How can you specify carriage return and newline character match when using boost::regex?
• C implicit extern for global variable, when does it happen, how does it work
• When does std::string allocation take place on initialization
• How to fast set 9 bits after all '1's in an 64 bit integer
• Why need std::minmax_element?
• Ostream << overloading confusion
• A simple C++ While loop not working
• How to filter object in c++ [duplicate]