February 2017
Beginner to intermediate
294 pages
6h 9m
English
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Saving objects to the database
Now we can test the Firebase Realtime Database in our project. Let's modify the onChange() method in CollectorComponent and save a new object in the database every time a news items is checked. To do that, first we need to create a parent object in Firebase Realtime Database:
- In the Firebase console, select the Sherlock Project and click on Database in the sidebar:
- If you move the mouse over the project name, a plus sign appears with add child as tooltip. Click on the plus sign and enter
Collectorfor the Name field. Leave the Value field empty and instead click on the plus sign for theCollectorkey and add the following ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.