SJ19 questions

• ReactJS + NextJS - How to pass props from _app.js to page?
• NetLogo: Can't "stop" forever button from another procedure?
• IntelliJ: No autocomplete for Kotlin?
• IntelliJ (using gradle): Can't find Kotlin plugin even though it's installed
• Using super.method() when you're not overriding the method?
• How to downgrade Kotlin in Intellij 15
• Python/Django: How to display error messages on invalid login?
• Local variables before return statements, does it matter?

SJ19 answers