Rather than entering a pattern code as in previous versions, users can opt to look into their camera.

用户可以选择查看他们的相机，而不是像以前的版本一样键入模式代码。

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Metaprogramming offers a great way to differentiate pattern code from implementation code because you express your pattern by using code that is about code.

元程序设计提供一种不错的方式将模式代码与实现代码区分开来，因为您使用关于代码的代码来表达您的模式。

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This is a class that can be used repeatedly to instantiate a class as a singleton without having to re-write the singleton pattern code for that specific class.

这是一个可用来创建单例类实例确不需要为每个特定的类重写单例模式代码的可重用的类。

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The only thing that compiler needs to know is kind of what pattern to look for in the rest of your code.

编译器需要知道的唯一的东西是,用来在剩下的代码中寻找的函数形式。

哈佛公开课 - 计算机科学课程节选

What if access to your phone is locked with a security code or pattern?

CNN: STORY HIGHLIGHTS

He was staring down at the checkerboard pattern on the linoleum floor, as if it were a code he was trying to crack.

NEWYORKER: Temporary

The blisters, each with its own bar code, move to a collating table and are rearranged in a pattern before getting bagged.

FORBES: Drug Lord