关于什么是设计模式，笔者在这里就不做过多的解释。大家自行百度谷歌就好。下面我们聊聊Opt开发者_Go教程ion设计模式，这个单词翻译过来就是选项的意思。
My views created for iPad form factor look fine in Interface Builder. However, when I debug my app in iPhone Simulator 3.2 (with Hardware -> Device set to iPad), I see the UI clipped and about half si
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