optional int parameter 'id' is present but cannot be translated into a null value due to being declared as a primitive type. consider declaring it as object wrapper for the corresponding primitive type. 这表明你有一个
aOptional int parameter 'teacherId' is present but cannot be translated into a null value due to being declared as a primitive type. Consider declaring it as object wrapper for the corresponding primitive type. 任意int参量‘teacherId’是存在,但不可能被翻译成一个空值由于被宣称作为一个原始类型。
The best-practice I'm referring is that object should properly clean resources it owns (or unbinds from resources it shares) in destructor. If it is destructed without being unbound on any bound thread, it would assert, as this is invalid usage. This is much like calling the destructor of...
If you are doing it because you want to call a function with a char* parameter but it understand UTF-8 then it is safe. If however you want to call a function which takes a string which is an ansi string and you have a UTF-8 string then this will not work at all. You will ...