ApathyBear questions

• Reactjs this.state giving Uncaught TypeError: Cannot read property 'groupsData' of null
• django models: Good way of storing a multiline line address as one model field
• Why does this lambda require *arg, what difference does it make?
• TypeError: this.props.data.map is not a function, but data is a list
• Django urls.py, what does the name parameter do?
• NodeJS console SyntaxError: Unexpected token * for generator
• Multiple versions of react (react-dom uses old react dependency)
• For-loop saving state with closure
• Webpack with react modules giving unexpected token
• ChartJs line chart repaint glitch while hovering over

ApathyBear answers