SJ19 questions

• ReactJS / Material-UI / Javascript: Can't get rounded borders on TableRow
• Best way to initialize ArrayList and HashMap?
• Why is calling setState twice causing a single state update?
• Java ProGuard can't find referenced class
• Proguard - Error: A JNI error has occured
• NetBeans 12.0: "Class does not have a main method" (but it does)
• Delete `␍`eslintprettier/prettier
• ReactJS: Converting index.js to index.tsx - Module not found: Error: Can't resolve './App'
• Django/Python: Calling a model/class function with an argument from Template
• ReactJS + NextJS - How to pass props from _app.js to page?

SJ19 answers