End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
一看就懂的K近邻算法(KNN),K-D树,并实现手写数字识别! https://codingnote.cc/zh-hk/p/952/