我試圖通過2個計算已經在聲明中下令我的select語句的結果如果是有道理的劃分兩個數字.. $sql = "SELECT Make, Model,COUNT(*) as total ,SUM(FrontGross) as sumGross FROM table GROUP BY Model ORDER BY (sumGross/total) DESC LIMIT 20";
$result = $
我試圖讓我的蟒蛇打印出來,但它不會讓我,口口聲聲說假的,我想可以說支付超過時間: >>> talha_hours_worked=41
>>> if talha_hours_worked > 40 :
print("pay over time")
Print over time
>>>
>>> talha_hours_worked>45
False
{}運算符是否爲賦值運算符?另外,爲什麼int val{10};在main裏面工作,但是構造函數中的賦值語句是非法的? 檢查例子 此代碼: class Time{
int _H, _M, _S;
public:
Time(int h = 0, int m = 0, int s = 0){_H={h};
_M={m};