前端：

http://fex.baidu.com/articles/

https://frontendfront.com/

https://github.com/wxyyxc1992/Web-Series

https://cloud.tencent.com/developer/section/1374222

https://cloud.tencent.com/developer/section/1374226

https://www.zhihu.com/collection/119966496

https://zhuanlan.zhihu.com/qianduanzhidian

https://abhijitjana.net

http://dailydotnettips.com

https://odetocode.com/blogs

http://rxfiddle.net/

react相关

  react 在线演示：

 https://codesandbox.io/s/new

192.30.253.121 codeload.github.com

刷新host文件的命令：

ipconfig /flushdns

http://www.17ce.com

http://www.atool.org/host.php

https://github.com/lennylxx/ipv6-hosts