基本来讲，您是要选择是否通过无线扩展(wireless extensions)来使用工具。
Basically, you're choosing whether to use tools with or without wireless extensions.
通过已经获得的在流实用工具基本理解上的经验，您已经准备编写一个简单的Ruby map和reduce应用程序并查看如何在Hadoop框架中使用过程。
With a basic understanding of the streaming utility under your belt, you're ready to write a simple Ruby map and reduce application and see how to use the processes within the Hadoop framework.
REST API使用HTTP基本身份验证作为它的身份验证模式，大多数库和实用工具的启动都需要使用Twitter用户名和密码。
The REST API USES HTTP basic authentication as its authentication scheme, and most libraries and utilities require the use of a Twitter username and password to get started.
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