Zhang

Zhang has asked 25 questions and find answers to 3 problems.

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Zhang questions

What is the principle for behavior of boost adding month?
Why does printf output float 1.45 with one decimal place, and 1.445 with two decimal places in different behaviors? [duplicate]
regex_replace, why does it lose the $1?
Does std::condition_variable::wait_until have any advantage against std::this_thread::sleep_for?
Where could I find all the C++ decimal type indicator?
What is s in std::this_thread::sleep_for(2s)?
How do I generate objects in std::vector and without copy?
Pass an array (variable) as template argument
What is the purpose of a unary "+" before a call to std::numeric_limits<unsigned char> members?

Zhang answers

c++11 get string length in compile time by constexpr
Boost::process hide console on windows
Remove last char in stringstream?