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>

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It's often convenient to use C-style printf format strings when writing C++. I often find the modifiers much simpler to use than C++ I/O ... ... <看更多>