How to use Django notification like Facebook with Django REST API?

Does anyone have good tutorials or resource on django-notifications?

I need good tutorials and resource to learn django notification. If anyone has as demo code that will be very helpful for me.

Any project ideas for a summer project on Node.js?

I want to build something like Quora for college to build the students and teachers community.

Why content loading placeholder is used ?

Whenever I run my app.js, it says throw err; Cannot find module 'session'. What's wrong with using express-session and connect-flash packages in node js? Is there any alternative solution to this problem?

What can be the next project ideas after learning the basic CRUD on Node.js with express?