Python NumPy Tutorial
Numpy is a package in Python for mathematical computation of scientific and mathematical data through the use of an n-dimensional array. It is one of the most popular packages used…
Understanding Event & Event Emitters in Node.js.
When you head to the node.js website. You would see that they define Node.js as an asynchronous event-driven javascript runtime. You can understand an event as some single that indicates…
How to use the Youtube Data API V3 with Node.js
In this article, we will learn how to use the googleapis npm module to authenticate our users with their youtube channel. Then we will use the youtube data API to…
Scheduling Tasks using Cron-Jobs in Node.js
Have you ever wanted to run your code on a specific time without your intervention? Maybe you wanted to generate a scheduled report or send emails on a specific time…
Making HTTP Requests using Node-Fetch
With Request module depreciated Node-fetch is one of the top recommended libraries to make HTTP request in node.js . This library brings in the window.fetch method to node.js. So, lets…
Basic Understanding of Closures in Javascript.
A very straightforward way of understanding closures in javascript is that closures are what that gives your javascript functions access to the scope of your outer function. Let us first…
Quick Introduction to Apache Kafka for Beginners.
What is Apache Kafka ? Apache Kafka is a distributed streaming platform that uses the publisher/subscriber messaging model. Where Producer publishes a stream of data and the consumer consumes/subscribe that…
Variable Hoisting in Javascript.
Javascript is weird. In Javascript you can use a variable before declaring it. In other words, A variable can be declared after it has been used. for example: x =…
Installing NGINX on an AWS EC2 instance.
NGINX is an open-source, lightweight, and high-performance web server developed by Igor Sysoev and released in 2004. It is one of the most popular web servers in the world. In…
What is ‘This’ keyword in Javascript?
In Javascript 'this' refers to an object in the current executing context. Now, let's check what the hell is the current execution context. It simply means on what scope or…