指出改进解决方案的一些方法，并通过电子邮件向作者发送您的建议。
Figure out some ways to improve the solution, and E-mail the author with your Suggestions.
如果遇到数据库示例文档或任何代码的问题，请给作者发邮件。
If you encounter issues with the sample database documentation or in any of the code, please email the author.
如有更多观点，欢迎发送邮件至本文作者邮箱：bbarrett@gizmodo.com.
Send an email to Brian Barrett, the author of this post, at bbarrett@gizmodo.com.
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