DataX集成可视化页面，选择数据源即可一键生成数据同步任务，支持RDBMS、Hive、HBase、ClickHouse、MongoDB等数据源，批量创建RDBMS数据同步任务，集成开源调度系统，支持分布式、增量同步数据、实时查看运行日志、监控执行器资源、KILL运行进程、数据源信息加密等。

lock mechanism with face recognition and liveness detection

A book for the coursera statistical inference class

Course materials for the Data Science Specialization: https://www.coursera.org/specialization/jhudatascience/1

Apache ECharts is a powerful, interactive charting and data visualization library for browser

A golang ebook intro how to build a web with golang

《The Way to Go》中文译本，中文正式名《Go 入门指南》

Mirror of Apache Sqoop

Mirror of Apache Hive

useful hive udf