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Introduction To Firebase

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What is Firebase? Firebase is a backend platform for building Web, Android and IOS applications. Firebase Features Real-time Database  − Firebase supports JSON data and all users connected to it receive live updates after every change. Authentication  − We can use anonymous, password or different social authentications. Hosting  − The applications can be deployed over secured connection to Firebase servers. .  Firebase is provided by Google so it is pretty much easier to use.As Firebase is a mobile platform it will you to develop apps very quickly. Lets get Started Search  Firebase  in your browser. Then you will get to many about firebase. Click  Go to Console  which in the top right. Now create a project in android studio. Visit  here  to get to know how to create an android project. You have to create a firebase project with same name of your android project. Click Add Project in the firebase view...
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ngFor in Angular2

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Hey...!! It's been a while since I posted my last article in CodeCircle. In web development,when fetching data from the database we use for loops basically.Use of  for loops can be easily done using *ngFor in AngularJS. Lets see how we can easily use this in implementation. Set up your Angular environment as we did in previous articles. Now lets try simple examples to get aclear idea of using *ngFor. Example 1 :Print Set of fruits  Define an array of fruits in your app.components.ts file as below. import { Component } from '@angular/core'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent { public fruits = ['Apple', 'Grapes', 'Lemon', 'Oranges', 'Papaw']; } Now write the code for the *ngFor in your app.components.html file. <p *ngFor="let item of this.fruits">{{item}}</p> Outpu...
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How to Add Firebase to your Android Project

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From the previous article I gave you a brief introduction on Firebase. This article will help you to know how to add Fire base to your Android project.Lets get started . Go to your firebase dashboard for the android project that we created in the last article.You would get a similar interface as below. But this may be changes with time. On the dashboard there is an option to select Add firebase to your Android app.Select it and you will get similar window as given below. Here you will be asked the Android package name which is the package name of your added Android project. Add it there. com.example.user.myandroidapp is my package name and you can get it from MainActivity.java file. Next you will be asked to fill the  Debug signing certificate SHA-1   . This is optional but it is good to add it.  To add this go to your android studio and click the button Gradle in the top right.You will get a similar window given below.Click signingReport So...
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