This tip addresses one of those cases: the distinction between an array which is null, and an array which has no elements.

这里介绍的技巧用于处理其中的一个情况：一个为“零”的数组和一个没有元素的数组之间的差别。

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For best performance, ensure that you get and update array elements in the largest sensible blocks.

要获取最佳的性能，应该确保以尽可能大的块的来获取和更新数组元素。

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You'll also find some simplifications from C, which include string concatenation, associative array elements, and aggregation operators.

您还看到从 C 语言带来的简化，其中包括字符串连接、关联数组元素和合并操作符。

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As expected, both professional and recreational producers will be able to control an array of elements from the comfort of their own machine -- including, but not limited to, up to five live video output feeds (yes, it can handle HD) and a real-time, multi-view video canvas which allows for live transitions and audio mixing.

ENGADGET

Though unable to film at the recent trial, Zeman and Brancaccio get at its salient elements through interviews with a surprising array of characters.

NEWYORKER: Cropsey

To the contrary, Moscow has taken great pains to protect those elements of its leadership and workforce deemed necessary to the survival of the Soviet Union through an array of air and civil defenses as well as through permitted and prohibited antiballistic missile devices.

CENTERFORSECURITYPOLICY: End Madness of Planned Vulnerability