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Introduction To Firebase

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  Introduction  : In this article we are going to see how to set up a real time database in firebase. Firebase is a platform provided by google for building the backend for web and mobile app   It’s categorized as a backend-as-a-service (BaaS) which gives developers the opportunity to create applications without the hassle of setting up the backend. It also Provides multiple platforms in iOS, android and JavaScript.   What is a Firebase? Firebase is a technology that allows you to create web applications without server-side programming, making development faster and easier. It can control data without thinking about how data is stored and synchronized across different instances of the application in real-time. It is a mobile platform from Google offering a number of different features. These features allowing users to save and retrieve data to be accessed from any device or browser. Firebase is categorized as a NOSQL   database program, which stores data in JSON documents.   Firebase p

Sharing Data from child to parent in angular 8 using @viewChild

Introduction In this article, we are going to learn how to share data from child to parent component in angular 8 using @ViewChild.   What is a @ViewChild ?   A  ViewChild  is a component if we want to access a child component, directive, DOM element inside the parent component, we use the decorator @ ViewChild () in  Angular .   Prerequisites Basic knowledge of Angular Visual Studio Code must be installed Angular CLI must be installed Node JS must be installed Step 1 Let's create a new Angular project using the following NPM command, ng  new  sharingData     Step 2 Now, let's create a parent component by using the following command, ng g c parent    Step 3 Now, open the parent.component.html file and add the following code in the file,   < div   class = "card" >         < div   class = "card-body pb-0" >             < h4   style = "text-ali