灌了MinGW後Dev cpp compile就會出現這個error
解決方法是把
工具->編譯器選項->目錄->函式庫->新增MinGW目錄下的lib,再移到最上面
灌了MinGW後Dev cpp compile就會出現這個error
static 為首的宣告稱之為靜態變數宣告,通常是使用在一個會不只被呼叫一次的函式當中,而且是希望只有被宣告一次,就會一直存在,數值不會被外部的函式影響的變數。
In C++, you must first declare a variable before using it. The C++ language provides an exception to this rule through the static keyword. If you declare a member variable as static in a class, an instance of that class would be made available when the class is used.
If you declare a member variable of a class as static, in C++, you must initialize it globally before using the static member variable.
參考自 http://www.functionx.com/managedcpp/keywords/static.htm