尽管仅仅通过解压缩源tarball来检查代码比较繁琐，甚至使用针对代码知识库的Git web界面这种简单一些的方法也是如此，但实际构建代码可能会更麻烦。

While it is trivial to look at the code by simply uncompressing a source tarball, and even easier using the Git Web interface to the code repository, but getting it to actually build can be tricky.

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这个问题是有办法克服的；例如，可以手工优化数据库查询、清除某些代码、压缩CSS和实现缓存。

There are ways to overcome this; for example, you may manually optimize the database queries, clean some code, compress CSS, and implement caching.

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源代码压缩文件中包含有 GPSLIB 库的源代码和 Demo 程序。

The source code zip file contains the source code and GPSLIB Library Demo program.

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