Sorting is often useful as the first step in many different tasks. The most common task is to make finding things easier, but there are other uses als...
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其他好文 时间：
2014-08-15 12:45:48
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382
CAMediaTiming ProtocolCALayre 和 CAAnimation 实现了CAMediaTiming 接口。CAMediaTiming 定义了8个属性。speed属性：Controlling the speed of an animation or a layer can als...
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移动开发 时间：
2014-07-23 16:12:41
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347
