When a component is starting,

  1. constructor()
  2. componentWillMount()
  3. render()
    • draw component on the view
  4. componentDidMout()
  • shouldComponentyUpdate()
    • When component’s props or state are changed
    • after then call render()
  • Client API Loading 
      import CircularProgress from '@material-ui/core/CircularProgress';
    • https://material-ui.com/api/circular-progress/
  • Amazon RDS
    • create mySQL DB instance
  • Codeanywhere - mysql CLI 
      $ mysql -h mysql–instance1.123456789012.us-east-1.rds.amazonaws.com -P 3306 -u mymasteruser -p
  • mySQL - DB changed 
      $ USE management;
  • mySQL workbench - mysql GUI