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下面将介绍的向导用于介绍怎样通过免费而强大的VirtualBox在虚拟机上安装OS X Yosemite 10.10法律免责声明:本指南旨在说明如何在定期购买的苹果电脑上创建一个虚拟机运行真正的Mac OS X操作系统,仅用于测试目的。怎样做1 在App Store下载Yosemit... 阅读全文
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回顾分治算法分治算法的英文名叫做“divide and conquer”,它的意思是将一块领土分解为若干块小部分,然后一块块的占领征服,让它们彼此异化。这就是英国人的军事策略,但我们今天要看的是算法。如前所述,分治算法有3步,在上一篇中已有介绍,它们对应的英文名分别是:divide、... 阅读全文
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List Initializer or Element Count?In a few cases, what initialization means depends upon whether we use curly braces or parentheses to pass th... 阅读全文
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Processing Every Character? Use Range-Based forIf we want to do something to every character in a string, by far the best approach is to use a... 阅读全文
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top-level constAs we’ve seen, a pointer is an object that can point to a different object. As a result, we can talk independently about whethe... 阅读全文