Summary of the Year 2019

Dear Readers and Community Member, I thank you for all your support, love, and respect in 2019. You have been a constant companion since 2009, and I could not imagine my life without you. Once again, thank you. For me, the Highlight of 2019 was that in May I successfully summited Mount Everest Base Camp.ContinueContinue reading “Summary of the Year 2019”

Step by Step using TypeScript in a Node.js Application

https://youtu.be/fOkAMBVyuo0 Download or clone source code from here In this blog post, you are going to learn to configure the Node.js application to use TypeScript.  At the end of the blog post, you will have a REST API created using TypeScript and Express in Node.js. Before starting to make sure that you have NodeJS installedContinueContinue reading “Step by Step using TypeScript in a Node.js Application”

All about NaN in JavaScript

In JavaScript, NaN is one of the most confusing concepts; hence, it is often asked in the interview. You may have come across questions such as, What is NaN What is the type of NaN How to check for the NaN What is the difference between isNaN() and Number.isNaN() In this post, let us learnContinueContinue reading “All about NaN in JavaScript”

Recognized as a Google Developer Expert by Google

I am officially a Google Developer Expert in Angular and Web Technologies. I take this opportunity to thank the Angular global community and all my students who come to my training, meetups, and workshops. This recognition was never possible without you. I am humbled to be one of the few professionals who are awarded asContinueContinue reading “Recognized as a Google Developer Expert by Google”

How to use Interceptor in Angular

Interceptors are used to intercepts HTTP requests and responses from the application. You can handle them or transform them before passing it on. For example, you can use an interceptor to add authorization token before passing the HTTP request or cache the HTTP response. Some of the usages of interceptors are as follows, Caching ofContinueContinue reading “How to use Interceptor in Angular”

Delivering two talks at Devfest Gandhinagar 2019

Ahmadabad is always very close to me as I did my first public speaking in this city back on 24 July 2010.  Since then I have been trying to do at least one workshop or talk each year here, so continuing the ritual, I am again coming to Ahmadabad/Gandhinagar on 13th October to speak inContinueContinue reading “Delivering two talks at Devfest Gandhinagar 2019”

Simplifying Maps in the JavaScript

Maps is a data structure, which stores the key/value pair in an ordered way.  Since the inception of the JavaScript, objects are primarily used for the map.  Consider the below code listing:   To store two key/value pairs, we have created an object foo and using the keys such as id and color to retrieveContinueContinue reading “Simplifying Maps in the JavaScript”

Announced- geek97 step by step Angular Bootcamp on 5-6 October in Gurgaon

To attend register here: https://forms.gle/JSbp3yknZ7scr9BP7 Many of you asked me to host a Bootcamp in Delhi/NCR. I got motivated by your constant request, hence decided to give a try. For geek97, I am hosting the next Bootcamp in Gurgaon on 5-6 October. Details To attend register here: https://forms.gle/JSbp3yknZ7scr9BP7  and for any clarification send me aContinueContinue reading “Announced- geek97 step by step Angular Bootcamp on 5-6 October in Gurgaon”