Original link: https://mp.weixin.qq.com/s/yRvhvQeDb0XDMYgn8hIx9A
This video is a series of lessons. NEL technology master Li Jianying will teach you how to develop dAPP for NEO.
Video link: https://v.qq.com/iframe/preview.html?vid=c06086tn9v8&
The following is the PPT of this video course: