📚 Freely available programming books

吴恩达老师的机器学习课程个人笔记

A UI library by WeChat official design team, includes the most useful widgets/modules in mobile web applications.

deeplearning.ai（吴恩达老师的深度学习课程笔记及资源）

A lightweight and modular front-end framework for developing fast and powerful web interfaces

Mini website for testing both general CS knowledge and enforce coding practice and common algorithm/data structure memorization.

利用echarts组件绘画各类可视化数据