Nullish coalescing is a new logical operator (??) for the JavaScript programming language. It was released on April 2nd 2020, as part of ECMAScript version 2020 (ES11). Lets understand why do we need this and why it is so useful. OR (||) Operator In JavaScript, there is logical OR (||) operator, that always…

Recently, I was reading about async process and at that moment, I got confused between Concurrency, Parallelism and Multi-threading. When I started to find difference between these three, I didn’t get perfect answer at one place. At a point, I was confused with queries like: How is concurrency related to…

It is a very confusing question at which everyone gets stuck!! To find the answer, first, we should know the phases in the JS Engine. That will help us understand whether JS is a Compiler or Interpreter Language. There are 4 phases in JS Engine — Code Input, Parsing, Compilation…

console.log("Callback hell") func(val1) { func(val2) { func(val3) { func(val4) { consolo.log("This is called Callback hell") } } } } To understand Callback hell, you must know that JavaScript is single threaded synchronous language. But with help of callback queue and event loop , JS provides the functionality to do asynchronous…

*Steps with image I was working with computer vision project. The data set was large in size(Image data set) around 2Gb. So I decided to train the model on Azure Cloud. The Azure documentation is perfect resource to setup environment for machine learning, but at a specific point you won’t…

The Biggest Question for beginners is that “How to start with programming ?” Welcome to my first blog!! Many times students ask me how to start with programming? From where should we learn and start it? How to develop skills in various languages ?…etc. Today I will be answering all…