
面试题1、多线程的应用2、GCD实现多个请求都完成之后返回结果3、A、B两个int数组,得到A数组中B数组不包含的元素4、事件传递链,页面上一个按钮,按钮和它的superVi...
This application is modifying the autolayout engine from a background thread after the ...
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport
- (void)scrollViewDidScroll:(UIScrollView *)scrollView{ scrollView.keyboardDismissMode ...
在网上找了一大堆,试过了几种方法,发现只要设置UITextField的textAlignment属性为NSTextAlignmentRight,placeholder文字也就...