Over the last few pages, this article gave you a crash course in how to use the MediaWiki API to retrieve and integrate information from Wikipedia with your PHP web application.

在前面的内容当中，本文提供了有关如何利用MediaWiki API来从Wikipedia中检索信息，并将其集成到PHP Web应用程序中的速成课程。

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In the course of this article, you're going to create a report-editing form that makes use of some of the cool things you can do with XPath. The form shows you how to.

在本文中，您将创建一个report - editing表单，并使用XPath在表单中实现一些炫酷功能。

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In this course, Creating AI with Behavior States in Unreal Engine, you will learn how to use the power of Perception, Awareness, and Behavior States to create AI that add to fun game scenarios.

在本课程中，在虚幻引擎中使用行为状态创建AI，您将学习如何使用感知，意识和行为状态的力量创建添加到有趣的游戏场景的AI。

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What is this? This is a wonderful piece of abstraction. It is saying, you don't need to know squat about what's inside the body of this function. You don't have to worry about the parameter names, because they're going to be preserved, you don't need to worry about how I'm doing it, this tells you how you can use this, in order to use it correctly. Of course, I can then close it off, and off we go.

但是这能告诉你一些信息,这是什么？,这是一段完美的抽象,它的意思是你不需要知道,这个函数的内部构造，你不必担心参数是否重名，因为它们已经被预存了,你不需要担心我如何使用它,它告诉了你你该如何操作，从而正确的使用它，当然我也可以把它关掉。

麻省理工公开课 - 计算机科学及编程导论课程节选