Author Archives: Dhananjay Kumar

Thanks Microsoft for awarding me Most Valuable Professional Award 8th times in a row

I am very happy and excited to share that once again I have received prestigious Microsoft Most Valuable Professional AwardFirst time I got Microsoft MVP award in 2010 in Connected System Development specialization. In 2015, my specialization got changed to ASP.NET/IIS and in 2016, it changed to Visual Studio and Development. Once again, in 2017,ContinueContinue reading “Thanks Microsoft for awarding me Most Valuable Professional Award 8th times in a row”

From where I learnt advanced Angular?

Recently, I had a requirement to deliver training and consulting on advanced Angular topics to a client. Even though, I am very comfortable with Angular, I was a bit worried about so-called these “ADVANCED TOPICS”. I browsed through many blogs, tutorials, video courses etc. However, I was not felling satisfied and there was a nervousnessContinueContinue reading “From where I learnt advanced Angular?”

How to upgrade to latest Angular CLI

To check which version of Angular CLI is installed on your machine, run the command ng –version as shown in the image below: As you see that on my development machine, Angular cli version 1.0.0 is installed. At the time of writing of this post, latest version of Angular CLI was 1.1.3. To upgrade toContinueContinue reading “How to upgrade to latest Angular CLI”

Hosted 8th free workshop on Angular

On 8 April, I hosted free workshop on Angular in Gurgaon. 110-120 developers attended workshop. It was my eighth workshop on Angular in last 8 months across India. We started at 10 AM and concluded at around 5 PM. In the workshop, we covered basics of the following topics: Using Angular CLI to create HelloContinueContinue reading “Hosted 8th free workshop on Angular”

undefined and null in JavaScript

Have they ever asked you? “Can you explain null and undefined in JavaScript?” This question is very trivial but important. As a JavaScript developer, you must have absolute understanding on undefined and null. Let us start by looking at code below: https://gist.github.com/debugmodedotnet/62fc783b3dd79f3feec4b6c87f04d077 Output of above code listing would be “undefined” as shown in the imageContinueContinue reading “undefined and null in JavaScript”

How to create a Class in JavaScript

Have they ever asked you that “How you create class in JavaScript?” I am sure, regardless level of JavaScript interview; you must have come across this question. Well, there is no one answer of this question. However, before you go ahead and read detailed answer in this post, let me give you a gist inContinueContinue reading “How to create a Class in JavaScript”

Step by Step building Node.js based REST API to perform CRUD operations on MongoDB.

Download Source Code of this post from GitHub here Node.js is one of the greatest platform to create backend of the application. Does not matter whether you are creating a mobile app for iOS or Single Page Web application using Angular, you will need a backend for the application. Usually you perform databases operations, authentications,ContinueContinue reading “Step by Step building Node.js based REST API to perform CRUD operations on MongoDB.”

Hosted 7th workshop on Angular (v2)

On 11 Feb 2017, I hosted a workshop on JavaScript and Angular (v2) in Gurgaon. There were around 60 developers, who attended the workshop. It was a hand’s on kind of workshop. In the workshop, every attendees wrote code and creates an application in Angular (v2). In the workshop, following topics were covered, JavaScript functionsContinueContinue reading “Hosted 7th workshop on Angular (v2)”

Communication Between Components Using @Input() in Angular

In Angular 2 a component can share data and information with another component by passing data or events. A component can be used inside another component, thus creating a component hierarchy. The component being used inside another component is known as the child component and the enclosing component is known as the parent component. ComponentsContinueContinue reading “Communication Between Components Using @Input() in Angular”