前言：iPhone是个极具艺术性的平台，相信大家在开发过程中一定有很多感触，希望能写出来一起交流，所以开了这个帖子，以后还会维护。
如果大家和我一样有感触的话，可以跟在帖子下面，最好简短并附上中英文：）
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1：如果无法保证子类行为的一致性，那么就用委托 If the subClass cann't keep with superClass,use delegate rather than inheritance. |
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2:屏幕上看到的，都是UIVew Everything you see on Screen is UIView. |
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3:如果对性能要求高，慎用Interface Build if application's performance is important,be discreet for the interface build. |
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4:copy是创建，retain是引用 the copy operation is create a new one,but the retain operation is just a reference. |
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5：alloc需要release,convenient不需要release alloc method need corresponding release method,but convenient method not. |
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6:加载到NSArray/NSMutableArray里的对象，不需要负责release The objects added to NSArray/NSMutableArray need not to be released. |
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7:IBOutlet,IBAction为你开启了访问Interface Build中对象的大门 IBOutlet and IBAction open the door to access the objects in Interface build. |
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8:UIApplicationDelegate负责应用程序的生命周期，而UIViewController负责View的生命周期 UIApplicationDelegate is responsible for the application life cycle,but UIViewController for the UIView. |
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9:为了程序的健壮性，请尽量实现Delegate的生命周期函数 if you want to develop a robust application,implement the life cycle methods as more as possbile. |
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10:哥触摸的不是UIEvent,而是NSSet的UIView what you touch on screen is not UIEvent but UIView |
暂时想到这些，欢迎大家继续补充......^_^!