Java在使用腾讯企业邮箱发送邮件时，捕获异常邮箱地址

Windowing and Analytics Functions

MySQL使用小技巧，mysqldump数据|安装|创建用户等等

工作中常用的hadoop操作，logs、httpfs、rmapi's

Markdown is a lightweight markup language with plain text formatting syntax designed so that it can be converted to HTML and many other formats using a tool by the same name

Creating a custom Hive input format and record reader to read fixed format flat files

Protocol buffers are a flexible, efficient, automated mechanism for serializing structured data – think XML, but smaller, faster, and simpler

hive 常用udf，json、rank、date

git入门教程，如何搭建git环境，初始化项目，提交远程仓库等等

hive 使用orc所遇到的问题，以及其他查询报错场景分析