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转载URL：http://stackoverflow.com/questions/25973364/attempting-to-badge-the-application-icon-but-havent-received-permission-from-th - (BOOL)application:(UIApplication *)application didFin
转载URL：http://stackoverflow.com/questions/7848766/how-can-we-programmatically-detect-which-ios-version-is-device-running-on Best current version, without need to deal with numeric search within NSStrin
转载URL：http://stackoverflow.com/questions/1340667/pixel-width-of-the-text-in-a-uilabel NSString has a sizeWithAttributes: method that can be used for this. It returns a CGSize structure, so y
Auto property synthesis will not synthesize property 'homeInt'; it will be implemented by its superclass, use @dynamic to acknowledge intentionIf you are overriding the same property from the super cl
参考URL：http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view https:/
参考URL：http://stackoverflow.com/questions/30756907/ctm-transforms-vs-affine-transforms-in-ios-for-translate-rotate-scale https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/CocoaDraw
URL:http://stackoverflow.com/questions/11844548/how-to-disable-vertical-scrolling-in-uiscrollview-obj-cyou must set your scrollview content height to the scroll view heightCGSize scrollableSize&n
URL:http://stackoverflow.com/questions/17074365/status-bar-and-navigation-bar-appear-over-my-views-bounds-in-ios-7 You can achieve this by implementing a new property called edgesForExtendedLayou
URL:http://www.informit.com/articles/article.aspx?p=2151265&seqNum=9 Alignment RectanglesAs developers create complex views, they may introduce visual ornamentation such as shadows, exterior highl
URL:http://stackoverflow.com/questions/15850417/cocoa-autolayout-content-hugging-vs-content-compression-resistance-priority Quick summary of the concepts:Hugging => content does not want to growCom
URL:http://www.cnblogs.com/yipu/p/4422355.html 视频:https://www.youtube.com/watch?v=JYegaG2sSfkMAC OS X 10.10.x Yosemite在VMWare中实在是太慢了，卡出翔！好在高人多，请装beamoff！详见：https://github.com/JasF/beamoff.gitCSDN下载：ht
转载URL：http://www.objc.io/issues/3-views/advanced-auto-layout-toolbox/ The intrinsic content size of UILabel and NSTextField is ambiguous for multi-line t
转载URL：1、http://stackoverflow.com/questions/19036228/uiscrollview-scrollable-content-size-ambiguity-xcode-5-ios-7-interface-builder 2、http
URL:http://blog.csdn.net/wangeen/article/details/8159500PATH和LD_LIBRARY_PATH本质都是变量，所谓变量的意思就是由别人赋值产生的，直觉往往会让我们添加和减少这个变量本身的某些路径，实际上这是不正确的。正确的做法是我们要去修改赋予这个变量数值的那些配置文件，加一条路径或者减一条。说到底变量只关乎显示，不关乎其用于显示的内容。PA
xcode-select --install sudo easy_install pip sudo CPATH=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/libxml2
URL:http://stackoverflow.com/questions/25875618/uisplitviewcontroller-in-portrait-on-iphone-shows-detail-vc-instead-of-master The way that Apple handles this is:- (BOOL)splitViewController:(UISpl
URL:http://stackoverflow.com/questions/4961386/event-handling-for-ios-how-hittestwithevent-and-pointinsidewithevent-are-r The implementation of hitTest:withEvent: in UIResponder does the fol
URL:http://stackoverflow.com/questions/5361369/uiview-frame-bounds-and-center First a recap on the question: frame, bounds and center and theirs relationships.Frame A view's frame (CGRe
http://stackoverflow.com/questions/11125640/objective-c-using-a-string-to-call-a-method http://stackoverflow.com/questions/2299841/objective-c-introspection-reflection
URL:http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknownperformSelector may cause a leak because its selector is unknownSolutionThe compiler is w
gem source -r gem source -a gem install cocoapods或者安装证书：This is what solved it for me: Install this certificate:https://raw.githubusercontent.com/rubygems/rub
参考以下2篇博文：1、http://segmentfault.com/a/1190000000626543 2、http://blog.csdn.net/lgy807720302/article/details/7515743
一、UIBarButtonItem看起来是按钮，但是与UIButton不同，只能在工具栏和导航栏使用。工具栏和导航栏可以放在Viw中，二、UIToolBar类，她在IPhone情况下工具栏放在屏幕底部，不能超过5个按钮三、 UINavigationController导航栏控制器 构建树形控制器四、UINavigationBar 导航栏是与导航控制器一一对应的五、UINavigationItem
webView相当于一个浏览器，html，css，javascript，内置了执行HTML和JS的引擎，如果表示纯文本，选择UILable,如果超文本（图片，声音）选择webView一、同步本地加载 loadHtmlString:BaseURL:加载HTML字符串 &nb
一、委托协议 委托协议是一种设计模式，有一些控件（UITextFieldDelegate 和 UITextViewDelegate）同时定义了委托协议，UIButton没有，再复杂一些的控件UITableView不仅有委托协议还有
一、TexfField控件 UITextField继承了UIController，真正意义上的控件，具有一些高级事件，TextField只能输入单行内容 UITextFieldDelegate委托协议二、Text
一、开关控件 开关控件(UISwitch)类似于Windows下的复选框，有两种状态二、滑块控件 滑块控件能获得连续的值，0.0~1.0，默认值0.5三、分段控件 &
一、标签控件 二、按钮控件三、动作和输出口
一、UIView家族 控件有高级事件Event，普通的View没有事件处理,普通的View可以通过手势来实现事件二、应用界面的构建层次三、视图分类 UIKit框架 &
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