转自:http://stackoverflow.com/questions/6695837/push-uiviewcontroller-with-different-orientation-to-previous 参考:http://stackoverflow.com/questions/15947349/how-to-handle-different-orientations-in-ios/16022631#16022631 It makes no sense to use a UINavig…

一.两种orientation 了解屏幕旋转首先需要区分两种orientation 1.device orientation 设备的物理方向,由类型UIDeviceOrientation表示,当前设备方向获取方式: 1 [UIDevice currentDevice].orientation 该属性的值一般是与当前设备方向保持一致的,但须注意以下几点: ①文档中对该属性的注释: 1 @property(nonatomic,readonly) UIDeviceOrientation orienta…

GeSHi Documentation Version 1.0.8.11 Authors: © 2004 - 2007 Nigel McNie © 2007 - 2012 Benny Baumann © 2008 - 2009 Milian Wolff GeSHi Website: http://qbnz.com/highlighter This is the documentation for GeSHi - Generic Syntax Highlighter. The most moder…

https://www.codeproject.com/Articles/43305/Tracing-SQL-Queries-in-Real-Time-for-MySQL-Databas     Assembly and MySQL Introduction One of the more interesting things for any person is to see how the internal engines from the server software work. The…

本文主要基于MXNet1.6.0版本进行分析. 在上一篇文章中,我们分析了MXNet中KVStore的进程内通信机制.在这篇文章中,我们主要分析KVStore如何进行多节点分布式通信. 在KVStore的实现中,KVStoreDist和KVStoreDistServer分别对应参数服务器中的worker节点与server节点.KVStoreDist继承自KVStoreLocal,通过封装PS-Lite中的KVWorker实现了Push和Pull等接口,从而向server发送各类请求:而KVSto…

//导航控制器数量 add xjz 判断是push还是present出来的 NSArray *viewcontrollers = self.navigationController.viewControllers; //导航控制器存在导航,并且栈顶是当前控制器 && viewcontrollers.lastObject==self) { //push方式 [self.navigationController popViewControllerAnimated:YES]; } else {…

override func viewWillAppear(_ animated: Bool) { super.viewWillAppear(animated) //显示navbar self.navigationController?.setNavigationBarHidden(false, animated: true) if(isBeingPresented || isMovingToParent){ print("======push") }else{ print("…

APPLE提供了三种storyboard segue的方式:push,modal,custom . push segue是系统预定义的跳转方式, 为了使其能正常工作,我们还必须加载UINavigationController. 有时候,我们不想看到UINavigation bar,我们可以使用modal segue. modal segue 的跳转方式有四种:Cover Vertical, Flip Horizontal, Cross Dissolve and Partial Curl. 要是我…

<欢迎大家加入iOS开发学习交流群:QQ529560119> /*      UIViewController is a generic controller base class that manages a view.  It has methods that are called      when a view appears or disappears.            Subclasses can override -loadView to create their cust…

In one embodiment, a method includes sending to a mobile client computing device a first notification through a real-time push service, the first notification including content and being associated with a stateful object; the method also includes, in…