Use sprintf. int sprintf ( char * str, const char * format, ... );. Write formatted data to string Composes a string with the same text that ... ... <看更多>

format string 也是看過C Programming: A Modern Approach才注意的。寫文的當下沒帶這本書，問男人好了。 1 $ man 3 printf 簡單來說，format string是 ... ... <看更多>

Check a format string at compile time. std::string s = fmt::format("{:d}", "I am not a number");. This gives a compile-time error in C++20 because d is an ... ... <看更多>

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