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
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
