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In this Azure DevOps tutorial, you will be learning what is Azure DevOps and the services it provides. You will also get to work with a hands-on to understand the working of Azure DevOps. Azure DevOps helps developers and the team in creating and deploying applications with either Azure DevOps Service or on-premise Azure DevOps Server.

In this Apache Spark tutorial, you will learn Spark from the basics so that you can succeed as a Big Data Analytics professional. Through this Apache Spark tutorial, you will get to know the Spark architecture and its components such as Spark Core, Spark Programming, Spark SQL, Spark Streaming, MLlib, and GraphX.

These are the new guides for Rails 6.1 based on v6.1.3.1. These guides are designed to make you immediately productive with Rails, and to help you understand how all of the pieces fit together.

Hadoop illuminated' is the open source book about Apache Hadoop�. It aims to make Hadoop knowledge accessible to a wider audience, not just to the highly technical.

This SQL Tutorial for Beginners is a complete package for how to learn SQL online. In this SQL tutorial , you will learn SQL programming to get a clear idea of what Structured Query Language is and how you deploy SQL to work with a relational database system.

A tutorial to integrate with elasticsearch in a Ruby on Rails application.

LINUX is a Unix-like and mostly POSIX-compliant computer operating system assembled under the model of free and open-source software development and distribution.

HTML is where the magic of web page design begins. It isn't presentational ' that's what CSS is for ' HyperText Markup Language is a simple, elegant way to structure content.

This course is for everyone who wants to get a firm understanding of the blockchain technology. Whether you are an entrepreneur, investor or developer - the knowledge you will get here will really give you a solid knowledge foundation you can rely upon when navigating the cryptocurrency landscape

First of all you will learn programming in Javascript and C++ from scratch, we will then continue by learning programming on Ethereum, NEM and EOS. This course is perfect for everyone who wants to really be part of the blockchain ecosystem by actually building it!

Originally designed for adding small amounts of interactivity to a page (like hovers and animations - you know the kind of thing), JavaScript is now used for almost anything up to large applications and games, and can even be found in servers.

In this web service tutorial, we will see the introduction of webservices in java and some jargons of web services.

This is the index post for Core Java tutorial for beginners as well as for experienced programmer. I have written Core Java tutorial from basic to advanced topics.It will definitely help you learn Java in the better way.

Design patterns in java are best practices which are used to resolve some known issues. Design patterns can be divided into 4 different types. Here we have listed down some of the widely used design patterns in Java.

Here we learn JavaScript, starting from scratch and go on to advanced concepts like OOP.

Beginner to Intermediate developers and designers who want to become comfortable with both JavaScript fundamentals and working in the DOM without a library.

Learn by example: htmlreference.io is a free guide to HTML. It features all elements and attributes.

Apache Kafka is a powerful, scalable, fault-tolerant distributed streaming platform. This site features full code examples using Kafka, Kafka Streams, and ksqlDB to demonstrate real use cases.

This course introduces Docker to an Absolute Beginner using really simple and easy to understand lectures. Lectures are followed by demos showing how to setup and get started with Docker.