some excellent sites

1. objC China:

https://www.objccn.io

 

2、FlatBuffers：

https://google.github.io/flatbuffers/

 

3. iOS interview questions

https://wangmeng.gitbooks.io/ios-note/content/interview_1.html

https://blog.csdn.net/crazyzhang1990/article/details/50405627

 

4. Liu Kun's technical blog

https://blog.cnbluebox.com/

 

5. Sunnyxx's technical blog

http://blog.sunnyxx.com/

 

6、GCD

https://www.jianshu.com/p/5840523fb3ea 

 

7. WeChat mini-games

https://developers.weixin.qq.com/minigame/dev/index.html

https://www.w3cschool.cn/wxagame/

 

8. Meituan Dianping technical team

https://tech.meituan.com/

 

9. iOS performance monitoring

http://www.cocoachina.com/cms/wap.php?action=article&id=19680

 

10. WeChat reading technical team

https://wereadteam.github.io/