目录ViewModel的创建方式参数 1 ViewMod编程elStoreOwner:参数 2 Factory:ViewModel 为什么不受 Activity 横竖屏生命周期的影响1、在 Activity 走到 onDestroy 方法时,做了判断 isChangingConfigurations2、在 Ac
In SQL, if we use Group By without Count(*) or Sum(), etc, then the result is as follows: mysql>select * from sentGifts;