angular:
    https://angular.cn/api
    https://juejin.im/entry/59f0cc8a6fb9a0452935f979
    https://gitee.com/mumu-osc
    https://zhuanlan.zhihu.com/p/51935121
    https://date-fns.org/docs/Getting-Started
    nz-zorro:
    https://ng.ant.design/docs/introduce/zh
    ng alain:
    https://ng-alain.com/docs/getting-started/zh
    Ant Design Mobile of React:
    https://mobile.ant.design/docs/react/introduce-cn

    java:
    https://blog.csdn.net/woai671/article/details/79112474
    https://www.toutiao.com/a6613522192485319181/?iid=46532255761&app=news_article&group_id=6613522192485319181&timestamp=1539839396
    https://www.v2ex.com/t/534322
    http://www.opencv.org.cn/opencvdoc/2.3.2/html/doc/tutorials/core/table_of_content_core/table_of_content_core.html#table-of-content-core

    MySQL:
    https://www.cnblogs.com/wshenjin/p/10276678.html
    https://www.cnblogs.com/ooo0/p/9309277.html

    Knowledge:
    https://juejin.im/
    https://segmentfault.com/

    Linux:
    https://wangchujiang.com/linux-command/ —-Linux指令查找

    CSS:
    https://segmentfault.com/a/1190000018922732#articleHeader33 —-45个值得收藏的 CSS 形状

    idea:
    好用插件:
    https://blog.csdn.net/win7system/article/details/83508313
    https://blog.csdn.net/qq_38366063/article/details/87686961
    常用快捷键:
    https://www.cnblogs.com/JavaBlackHole/p/7673812.html

    vs code 好用的插件:
    https://blog.csdn.net/qq_36178899/article/details/84869118

    Flowable:
    https://www.cnblogs.com/cxyj/p/3891424.html
    https://blog.csdn.net/u011396199/article/details/76914399?utm_source=copy
    https://tkjohn.github.io/flowable-userguide/#Tooling —-Flowable BPMN 用户手册 (v 6.3.0)
    https://www.cnblogs.com/liuwenjun/

    RxJS:
    https://rxmarbles.com/
    https://jsbin.com/ciyiqoyuwo/edit?html,js,console,output

    Extra:
    https://www.iconfont.cn/ —-阿里巴巴矢量图标库
    https://react.docschina.org/ ———React用于构建用户界面的 JavaScript 库
    https://xnxnxnxn.github.io/