Here are the steps to create an EC2(Amazon Elastic Compute Cloud), set up your Git remote repository in EC2 and connect to the remote repo from your local machine. Some explanations are provided for better understanding. AWS Elastic Compute Service(EC2) is IaaS(Infrastructure as a Service).   PART 1 – Creating and connecting to AWS EC2 Virtual Machine instance.   STEP 1  – Go to AWS console. STEP 2 – goto services, ...



Advanced interview questions for web application server-side/ back-end developers, Node.js – Part1

Here are some interview questions that Lead backend developers, with experience of  3+ years, usually face during interviews. QUESTIONS What are authentication and authorization? What is OAuth? What are API gateways and advantages of using them? Which is the best place to store session_ids or access_tokens. What are the different types of client-side storages and their differences?  What are middlewares? What is CORS(Cross-origin reso...

Steps for creating an EC2 instance and setting up Git remote repository, with detailed descriptions.
AWS , Cloud , Uncategorized / March 26, 2020

Here are the steps to create an EC2(Amazon Elastic Compute Cloud), set up your Git remote repository in EC2 and connect to the remote repo from your local machine. Some explanations are provided for better understanding. AWS Elastic Compute Service(EC2) is IaaS(Infrastructure as a Service).   PART 1 – Creating and connecting to AWS EC2 Virtual Machine instance.   STEP 1  – Go to AWS console. STEP 2 – goto ...

Sass Part 1 – An introduction, Sass variables and Nesting rules, and properties in Sass
css , SASS , Uncategorized / December 15, 2019

Hey, folks! Welcome to the  Sass series. The aim of this series is to give a general idea of what Sass is, why it is beneficial and what are the key properties of Sass which makes it beneficial. Becoming an expert is in Sass can be achieved through rigorous practice and hands-on experience in real projects. This series will give you guys a platform to start with. WHAT YOU WILL LEARN Sass is a CSS preprocessor Sass has two syntaxes Sass...

Sass Part 2 – @-Rules and Directives
css , SASS , Uncategorized / December 25, 2019

This is the second part of our Sass series, aimed at providing a better understanding of  Sass  @-rules and Directives. Part 1 of the series provided an introduction and taught by example about variables and nesting in Sass.   WHAT YOU WILL LEARN @-rules and Directives 11 Directives @-rules of CSS  CSS provides statements called @rules which are rule statements preceded by an @symbol. Most commonly used @rules are @media,@keyfra...

Sass Part 3 – Operators and control directives
css , SASS , Uncategorized / December 29, 2019

This is the third part of our Sass series aimed at providing insight in o  Sass operators and control directives. Part 1 of the series provided an introduction and taught by example about variables and nesting in Sass.  Part 2 of the series provided a better understanding of @-rules and Directives.   WHAT YOU WILL LEARN Operators and types of operators in Sass. Control directives and types of control directives in Sass. Operators...

Sass part 4 – Built in modules and functions. Writing custom functions with @function and @return
css , SASS , Uncategorized / January 15, 2020

This is the fourth part of our Sass series. This part covers built-in modules, functions, and modularization in Sass. Part 1      – Introduction, variables, and nesting in Sass. Part 2     – @-rules and Directives. Part 3     – Operators and control directives in Sass       WHAT YOU WILL LEARN Sass modularization, built-in modules, and functions in Sass. Writing custom functions in Sass.   ...

Sass Part 5 – Understanding mixins, creating mixins in Sass using @mixin
css , SASS , Uncategorized / January 26, 2020

This is the fifth part of our Sass series. This part covers the concept of mixins, creating mixins in Sass using @mixins. Part 1      – Introduction, variables, and nesting in Sass. Part 2     – @-rules and Directives. Part 3     – Operators and control directives in Sass Part 4     – Built-in modules and functions. Writing custom functions with @function and @return     WHAT YOU WILL LEARN Concept of ...

Sass Part 6 – Sass with Node.js based applications, Sass output styles
css , SASS , Uncategorized / January 30, 2020

This part of the Sass series aims at helping to set up Sass in Node.js projects. Sass preprocessor used with Node.js is the one written in c++ called libSass. node-sass is the library which binds Node.js applications to LibSass preprocessor. Part 1      – Introduction, variables, and nesting in Sass. Part 2     – @-rules and Directives. Part 3     – Operators and control directives in Sass Part 4     – Built-in ...

Understanding Microservices, Web services, APIs and Endpoints
architecture , Uncategorized / December 4, 2019

Many beginners who start development, especially back end, get confused with terms like APIs, Microservices, Web services, endpoints, etc. The aim of this article is to describe what these terms are with a simple example. Please note that the example given here is just a demo. Microservices Microservice Architecture is a way of designing the structure of an application. Microservices are independently deployable services that together m...

What is Cloud Computing and Why? Cloud Part – 1
Cloud / November 18, 2019

Welcome to Cloud Series. This is the first article in the Cloud Series and aims at explaining what is cloud and its benefits to absolute beginners. Business organizations require plenty of computing resources/IT resources to run their businesses. These resources include servers, storage, network, various software, services, etc which are necessary for setting up and maintaining the business services provided by the organization. IT/Comp...