Peter questions

Peter answers

• Is it possible to make std container to use the default operator new?
• Is it guaranteed that the padding bits of "zeroed" structure will be zeroed in C?
• Is there a cleaner way to write this? (digit to string)
• Difference between auto and auto* when storing a pointer [duplicate]
• How to prevent repetition of randomly generated options in C++?
• generate a random string in C++11? [duplicate]
• why private constructor prevents object creation C++
• Why `operator->` in std::optional result in a UB when `*this` is not valid?
• How does clang manage to compile this code with undefined behavior into this machine code?
• Why does concatenation of a string an char in C++ return an empty string?