public static float sqrt(float x) {
float xhalf = 0.5f*x;
int i = Float.floatToIntBits(x);
i = 0x5f3759df - (i>>1);
x = Float.intBitsToFloat(i); <----- EDIT: x is modified here (sm
如何爲包含同一對象的兩個實體在數據庫中存儲相同的錶行? 以下說明我的無效嘗試。 @Entity
public class Employee
{
@ManyToOne(cascade=CascadeType.ALL)
private Department department;
@Id
@GeneratedValue(strategy = Gen