Rails Screencasts

By Bala Paranj

Technology Education Training Software How-To

What's Rails Screencasts about?

Learn practical tips and techniques on how to develop web applications using Ruby on Rails web framework. The episodes are short to minimize the amount of content to avoid overwhelming learners. The episodes are designed to give developers a quick way to get their feet wet and learn by building web apps.

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Rails Screencasts episodes:

09.21.2017
Object Access Control in Ruby
This episode covers the object access levels private, public and protected and how it is used in controllers in Rails.
09.13.2017
Deploying Front End App on AWS S3
In this episode you will learn how to deploy a front-end app on AWS S3 using AWS CLI.
09.05.2017
AWS Elasticbeanstalk
You will learn how to deploy a Rails app on AWS elasticbeanstalk.
08.30.2017
AWS CLI Route53 Basics
You will learn the basics of AWS CLI and how to use it with Route53.
08.23.2017
Websockets Streaming
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...
08.16.2017
Websockets Basics
In this episode, you will learn the basics of WebSocket using NodeJS. We will write a very simple Hello WebSocket program.
08.09.2017
Slate Basics - Generate beautiful API documentation
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...
08.02.2017
ActiveJob in Rails 5.1
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.
07.25.2017
Authentication from Scratch in Rails 5.1
You will learn how to develop user authentication features, login, logout and register in Rails 5.1 from scratch.
07.19.2017
JMESPath Basics
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.
07.12.2017
PostgreSQL Hstore Basics
With hstore you can add schema-less data to PostgreSQL. This allows you to store model attributes without creating separate database columns. We will see how to query an hstore column by using hstore operators and functions. In this episode,...
07.06.2017
DynamoDB in Rails 5.1
In this episode you will learn how to get information about all tables, create a simple table with a single primary key, scan a table, list all tables, adding an item to a table, getting information about the items in...
06.28.2017
Dynamodb Basics
You will learn the basics of the AWS dynamodb NoSQL database by playing with tables needed for a image tagging application. Create, put, scan and pagination API will be discussed.
06.20.2017
Using Twitter Bootstrap 4 with Vue.js 2
In this episode, you will learn how to use Twitter Bootstrap 4 with Vue.js 2. You will learn how to use navigation bar and how to highlight selected tab in the navigation.
06.14.2017
Vue.js 2 CLI and Axios
In this episode we will use vue-cli to scaffold Vue.js project. We will use webpack-simple template that provides a simple Webpack + vue-loader setup for quick prototyping. Axios promise based HTTP client for the browser and node.js is used for...
05.26.2017
Using jQuery in Rails 5.1
The jQuery is no longer available out of the box in Rails 5.1. In this episode, we will see how to get the Task management Rails 5 App we created in the article: Using AJAX and jQuery in Rails 5...
05.26.2017
Elasticsearch in Rails 5.1
We will install searchkick gem to integrate with Elasticsearch 5.x in a Rails 5.1 web app. You will learn about how suggestions and dealing with spelling mistakes in searckick.
05.12.2017
Integrating Google reCAPTCHA with Rails 5.1 App
In this episode, we will see how to integrate Google reCAPTCHA feature to your Rails 5.1 app.
05.12.2017
Consuming JSON API using jQuery 3.2.1, Vue.js 2.3.3 in Rails 5.1
In this episode we will use jQuery 3.2.1 to consume JSON API implemented using Rails 5.1 API only app. You will learn about Rack CORS middleware and making AJAX call using jQuery to fetch data from the server. We will...
05.06.2017
Rails Serialization Basics
Learn about the basic serialization and JSON serialization of hash in objects using ActiveModel serializers in Rails 5.1.
05.06.2017
Fulltext Search using PostgreSQL in Rails 5.1
In this episode you will learn how to implement search feature using pg_search gem in Rails 5.1 and PostgreSQL 9.6.2.
04.30.2017
Vue.js Basics - Part 2
In this episode learn how to use for loops to render an array of strings and an array of objects using Vue.js version 2 and Twitter Bootstrap 4.
04.30.2017
Vue.js Basics
Vue.js is a progressive JavaScript framework that is approachable, versatile and performant. You will learn the basics of Vue.js by writing a simple Hello Vue.js, two-way binding example using Vue.js version 2 and using directives such as if, else...
04.28.2017
Docker with Rails 5 Basics
This tutorial will guide you through the steps involved in running a Rails 5 webapp that uses Postgres database with Docker Compose.
04.28.2017
Docker Basics
This tutorial will guide you through the steps involved in running your first container, running a static site and building a custom image for a dynamic flask web application using Dockerfile and pushing your custom image to Dockerhub.
04.27.2017
Advanced Rails Debugging Tips
Learn advanced Rails debugging techniques using caller, raise, exit!, source_location, super_method, instance_method, bind and TracePoint.
04.11.2017
Protect Your Rails Apps from Bots, Scrappers and DDoS attacks
You can protect your Rails webapps from common web exploits that could affect application availability, compromise security, or consume excessive resources. This episode will walk you through how to use AWS WAF.
04.06.2017
Rails Forgery Protection Basics
You will the learn basics of Rails forgery protection: exception, null_session and reset_session. What are they? Which one should you choose?
04.01.2017
TDD Basics : String Calculator Kata
Learn how to implement Roy Osherove's string calculator kata using Minitest in Ruby 2.3.3.
03.20.2017
Semantics3 API in Rails 5
In this episode, you will learn: How to deal with Third Party API. Writing unit tests using Rails 5 test helper to read json fixture files. Mocking and Stubbing using Minitest.
03.20.2017
Gilded Rose Kata
This kata will teach you how to refactor a method with lot nested if-else statements. It will help you keep your controllers code elegant by minimizing the nested if-else statements in your Rails projects. This is based on one of...
03.15.2017
Stripe Elements in Rails 5
Stripe Elements is a pre-built UI component provided by Stripe to securely collect sensitive credit card details. The stripe gem version used in this screencast is 2.0.1. We will use Rails 5 and Ruby 2.3.3 to process payments.
03.08.2017
Stripe Subscription Basics
We will play with the Stripe API in the IRB to get familiar with the subscription related API provided by stripe gem.
03.01.2017
Tableless Model in Rails 5
Learn how to use tableless model in Rails 5. You will also learn how to improve the error message in Rails 5, so that you can contribute to Rails 5.
02.21.2017
Photo Gallery using Lightbox 2 Javascript Library in Rails 5
You will learn how to create photo album using lightbox 2 javascript library in Rails 5. Refile gem is used for file uploading.
02.17.2017
File Upload using Refile Gem in Rails 5
Learn how to upload file using refile gem in Rails 5. You will also learn how to improve messages in Rails 5 source code.
02.10.2017
Counter Cache in Rails 5
Learn the basics of counter cache in Rails 5. If you are interested in contributing to Rails, I give you a tip for making an improvement to make the Rails 5 code robust with meaningful error message. I show the...
02.02.2017
Pagination in Rails 5 using will_paginate gem
This episode will show you how to integrate will_paginate gem to add pagination feature to a Rails 5 app. You will also learn how to change the look and feel of the pagination such as Flickr, Digg and Apple style...
01.27.2017
Authentication from Scratch in Rails 5
We will implement register, login and logout features from scratch using ActiveModel in Rails 5.
01.20.2017
Custom View Helpers in Rails 5
Learn how custom view helpers work in Rails 5. You will also learn how to read the Rails source code to create experiments that answers questions about how Rails works. We will use ack tool to search for exact matches...
01.14.2017
Simple Search Form in Rails 5
Learn how to use a simple search form to search the database for records that has the given string in one of the columns of a table.
01.07.2017
Cropping using jQuery Crop Plugin in Rails 5
Learn how to crop images using jQuery Crop plugin in Rails 5. Carrier Wave gem is used for file upload.
12.24.2016
GraphQL Basics in Rails 5
This screencast covers the basics of GraphQL. It demonstrates a simple hello GraphQL program using graphql gem and exposing a person has many friends nested ActiveRecord relationship as an API using graphql. The Rails engine graphiql-rails is used to play...
12.21.2016
Webpack with jQuery
Learn how Webpack can be used to manage third party Javascript library like jQuery. We will also see how we can use SASS with Webpack by demonstrating use of CSS with scss file extension.
12.17.2016
Webpack Basics
Rails 5.1 will support Webpack to manage app-like JavaScript modules in Rails. Learn the basics of Webpack in this episode. This video will walk you through writing a simple hello world program and show you what webpack does with javascript,...
12.10.2016
Securing an API using Token Based Authentication in Rails 5
Learn how to secure an API using token based authentication with has_secure_password and has_secure_token in Rails 5.
12.09.2016
Auto Complete Association in Rails 5
Learn how to autocomplete fields that has an association in Rails 5.
12.09.2016
Dynamic Select Menus in Rails 5
Learn how to implement dynamic select menus in Rails 5.
12.09.2016
File Upload using Paperclip in Rails 5
Learn how to upload files using paperclip gem in Rails 5.
12.09.2016
CSV Importer in Rails 5
Learn how to import records into the database from CSV files in Rails 5.

What's Rails Screencasts about?

Download our free app to listen on your phone

Rails Screencasts episodes:

Object Access Control in Ruby

Deploying Front End App on AWS S3

AWS Elasticbeanstalk

AWS CLI Route53 Basics

Websockets Streaming

Websockets Basics

Slate Basics - Generate beautiful API documentation

ActiveJob in Rails 5.1

Authentication from Scratch in Rails 5.1

JMESPath Basics

PostgreSQL Hstore Basics

DynamoDB in Rails 5.1

Dynamodb Basics

Using Twitter Bootstrap 4 with Vue.js 2

Vue.js 2 CLI and Axios

Using jQuery in Rails 5.1

Elasticsearch in Rails 5.1

Integrating Google reCAPTCHA with Rails 5.1 App

Consuming JSON API using jQuery 3.2.1, Vue.js 2.3.3 in Rails 5.1

Rails Serialization Basics

Fulltext Search using PostgreSQL in Rails 5.1

Vue.js Basics - Part 2

Vue.js Basics

Docker with Rails 5 Basics

Docker Basics

Advanced Rails Debugging Tips

Protect Your Rails Apps from Bots, Scrappers and DDoS attacks

Rails Forgery Protection Basics

TDD Basics : String Calculator Kata

Semantics3 API in Rails 5

Gilded Rose Kata

Stripe Elements in Rails 5

Stripe Subscription Basics

Tableless Model in Rails 5

Photo Gallery using Lightbox 2 Javascript Library in Rails 5

File Upload using Refile Gem in Rails 5

Counter Cache in Rails 5

Pagination in Rails 5 using will_paginate gem

Authentication from Scratch in Rails 5

Custom View Helpers in Rails 5

Simple Search Form in Rails 5

Cropping using jQuery Crop Plugin in Rails 5

GraphQL Basics in Rails 5

Webpack with jQuery

Webpack Basics

Securing an API using Token Based Authentication in Rails 5

Auto Complete Association in Rails 5

Dynamic Select Menus in Rails 5

File Upload using Paperclip in Rails 5

CSV Importer in Rails 5