This episode covers the object access levels private, public and protected and how it is used in controllers in Rails.

In this episode you will learn how to deploy a front-end app on AWS S3 using AWS CLI.

You will learn how to deploy a Rails app on AWS elasticbeanstalk.

You will learn the basics of AWS CLI and how to use it with Route53.

In the previous episode, we saw how to send data from the client to the server. In this episode, we will see how to send data from the server to the client. If you put these two episodes together, you can build a solution for a real-time stock quote service.

In this episode, you will learn the basics of WebSocket using NodeJS. We will write a very simple Hello WebSocket program.

This episode shows you how to create API documentation using slate. Slate generates beautiful html documentation from markdown format API document. It has syntax highlighting. It provides tabs for different languages similar to Stripe API documentation. It is responsive. You can copy the generated html files to S3 and provide developer documentation.

You will learn the basics of using ActiveJob and Resque in Rails 5.1. Resque has no threading issues and is better than other background job processing libraries.

You will learn how to develop user authentication features, login, logout and register in Rails 5.1 from scratch.

JMESPath is a query language for JSON. You will learn the basic expressions, slicing and projections, As web developers we deal with JSON and this is a very useful tool in your troubleshooting toolbox.