But before we start looking at code, let's look at a simple demo to see what RAP can do and familiarize ourselves with launching RAP-based applications.

但是在开始查看代码之前，让我们先来看一个简单演示，了解RAP可以做什么并熟悉如何启动基于RAP的应用程序。

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We'll start with what it takes to get a simple RAP application running.

我们首先将说明运行简单RAP应用程序的方法。

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"In Da Club" marks the joyful, playful start of a depressing era of party rap somewhat akin to the hair metal situation of the '80s a stretch that nonetheless yielded some gems (thanks Lil' Jon, Usher and Luda) and only now, at the end of the decade, seems to be drawing to a close.

NPR: The Decade In Music: 50 Cent's 'In Da Club' (2003)