The index gives some indication of the popularity of a programming language based on several factors.
该索引根据一些因素给予程序设计语言的流行性的一些指示。
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You have also seen a variety of ways to get the information back out of the index again, both at the command line and through different language extensions.
您还看到了从索引再次获得信息的多种方式，比如可以通过命令行，也可以通过不同的语言扩展。
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You can browse the API index for these types of APIs using the "language" categories, which on this site is used loosely to describe the platform or environment an API is suited for.