Dhananjay Kumar Teacher, Microsoft MVP, Google GDE

Time 2020-10-14 16:04:27

Web Name: Dhananjay Kumar Teacher, Microsoft MVP, Google GDE

WebSite: http://debugmode.net

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Teacher,Kumar,Dhananjay,

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I am very excited to share that I have been recognized as Progress Ninja by Progress Telerik. https://twitter.com/Telerik/status/1313455975039406080 Thanks,  Progress Telerik, for recognizing me as one of the Progress Ninja. I am happy and excited to work with the Progress developer community and developer community in general. As of now, there are six Progress Ninjas, Continue reading Recognized as ProgressNinja In this video, learn to create a Node.js API to perform CRUD operations on a database in SQL Server. https://www.youtube.com/watch?v=Uvy_BlgwfLI You can find the source code here : https://github.com/debugmodedotnet/sqlservernodejsrestapi For notifications of the further videos, subscribe to the geek97/ Youtube channel here : https://www.youtube.com/c/geek97 This is the second post in the Master RxJS series. The first post is a video tutorial that explains, why RxJS Watch it here: https://www.youtube.com/watch?v=GfuGIh-Bmxw In this post, we will discuss an observer in RxJS. An observer is an object with three call-back functions to subscribe to the notifications from an Observable. Too much technical Continue reading Master RxJS: Part 2 – What is anobserver Sometimes, you may come across a requirement that once the array is created, its length should not be changed. In this blog post, let us explore how you can achieve that. Let us say you have an array as shown below, letfoo=[ 1 , 11 console.log(foo.length);//2 console.log(foo[1]);//11 As you see, the length of the array is 2, and Continue reading How to make the length of an Array read-only inJavaScript Change Detection is the backbone of the Angular framework, and each component has its own change detector. This article explains change detection strategies and optimizations to help you write highly performant Angular applications. Angular can detect when data changes in the component, and can re-render the view to display the updated data. Angular makes sure Continue reading Change Detection inAngular In this webinar learn 3 most important concepts of JavaScript. How to calculate the value of 'this' inside a function All about object literals function constructors and prototypes https://www.youtube.com/watch?v=F2V7MgehDSY In JavaScript, there are multiple ways to create an object. However, among all the most popular is using a function as a constructor. A function returns a newly created object if it is called using the new, which is also known as Constructor Invocation Pattern. You can create a function constructor like any other Continue reading Link Constructors prototypes to create Inheritance inJavaScript In JavaScript, the Object.entries method returns an array of object’s own enumerable properties. It returns properties as a [key, value] pair, where the key is a string. You can read enumerable properties as an array of key-value pairs using the Object.entries method as shown below, letProduct={ Title:'Book', Price:120, Author:undefined, inStock:true } console.log(Object.entries(Product)); Since it returns Continue reading How Object.entries work internally inJavaScript The JavaScript Arrow function is a shorter way of writing a function expression. Let us say you have a function expression as below, varadd=function(num1,num2){ returnnum1+num2; } The above function can refactor for a shorter syntax using the arrow function as below, varadd=(num1,num2)= num1+num2; So, as you see, the arrow function provides a convenient and short syntax Continue reading Working with objects in a JavaScript ArrowFunction

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Teacher, Microsoft MVP, Google GDE

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