Angular Interview : is Angular Service Singleton ?

One of the most popular Angular interview questions is, whether a service is singleton? By default, when you create a service using the below CLI command, ng g s app AppService is singleton, however it can be re-provided to create more objects of it. Say, you again re provide AppService in one of the components, … Continue reading Angular Interview : is Angular Service Singleton ?

Joined MongoDB

I am very excited to inform you all that I have joined esteem MongoDB starting 5th October 2020.  I have joined the Professional Services Team and will be working from Gurgaon, India. At MongoDB, my primary responsibility is to work closely with engineers and make a world-class training curriculum for them and our customers.  I … Continue reading Joined MongoDB

ng-India Free Webinar: Simplifying Change Detection in Angular

On Saturday, 2nd May 2020, 7PM IST, ng-India is hosting a webinar on – “Simplifying Change Detector in Angular”. It is free to attend.  Excited ? Agenda Angular can detect when data changes in the component, and can re-render the view to display the updated data. Angular makes sure that always data in the component and … Continue reading ng-India Free Webinar: Simplifying Change Detection in Angular

Explain Object.keys in JavaScript

Enumerating through the properties of a JavaScript object is a persistent requirement. Hence it becomes a popular question in a JavaScript interview. Any good JavaScript developer must know about various available options. Note: You can find a video tutorial on the same at the end of the article. To start with considering the Dog object … Continue reading Explain Object.keys in JavaScript

Thank you for ng-India 2020, find Photos and Resources here.

Hey there! I'm Dhananjay Kumar, organizer of India's Largest Angular Conference, ng-India. I thank you for participating in ng-India on 29 Feb 2020 in Delhi. It is you, who has made ng-India, India's (or perhaps Asia's) Largest Angular Conference. I hope you had a good time learning from esteem speakers from across the world, you … Continue reading Thank you for ng-India 2020, find Photos and Resources here.

Video – Step by Step using TypeScript in a Node.js Application

This video explains steps to use TypeScript in a Node.js application. You can read step by step article on the same here -  here Download source code from here https://www.youtube.com/watch?v=fOkAMBVyuo0   To start with create a folder and run npm init command inside the folder. After that install these dependencies,  npm install -D typescript npm install … Continue reading Video – Step by Step using TypeScript in a Node.js Application

Video- Why You need the apply() and the call() methods in JavaScript

To pass value of 'this' object in a function apply and the call methods are used. https://youtu.be/1nG3FKN3KjU   The apply() and the call() methods are used to call a function indirectly. When you call a function using the apply() and the call() methods, that is called Indirect Invocation Pattern . The first parameter is always … Continue reading Video- Why You need the apply() and the call() methods 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 as … Continue reading Recognized as a Google Developer Expert by Google

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 in … Continue reading Delivering two talks at Devfest Gandhinagar 2019

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 a … Continue reading Announced- geek97 step by step Angular Bootcamp on 5-6 October in Gurgaon