Questions tagged as 'firebase'

Tagged questions
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Error in FIREBASE + NODEJS: Firebase App named '[DEFAULT]' already exists

I have a CRUD made with NODEJS + EXPRESS using FIREBASE. I add a record normally, but when I add the next, it gives me the error: [DEFAULT]: Firebase: Firebase App named '[DEFAULT]' already exists (app / duplicate-app). If I restart the...
asked by 11.03.2017 / 19:17
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Problems in the project - Firebase + Analytics

Hello. I use Newsstand Producer to generate articles from my site for Google News App. In order to use Analytics, it was necessary to create a project in Firebase. I already created it, and when I came back to Analytics, he found this pr...
asked by 20.12.2018 / 16:22
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Permission Denied in Firebase

I'm developing an app with ionic 3 and Firebase ... In the Realtime Database rules, the problem arises: I try put the rules pro type "user", but the following error appears:    ERROR Error: Uncaught (in promise): Error: PERMISSION_DENIED:...
asked by 19.09.2018 / 20:52
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Firebase - Relationship between documents

I know the firebase is NoSQL / NoREL, but I have this doubt and it is very relevant given the project I am developing. In the traditional MySQL model, when we have a categorias table, for example, and a posts table, and there is a rel...
asked by 08.06.2018 / 01:45
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Is not Firebase allowed to use get and set in query information?

I'm trying to use the get and set methods with javascript in the firebase querys .. It does not allow me to use get () because it does not access the array and gets error or lenght 0. Why does this happen and how should it be done? Samp...
asked by 05.01.2018 / 14:35
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Firebase function nodemailer Office365

I'm using the firebase function to trigger the nodemailer and send an email. Using gmail I was successful, but with Outlook365 it does not work. In the transporter I do it this way: var transporter = nodemailer.createTransport(smtpTransp...
asked by 09.01.2018 / 14:00
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ionic - save latitude and longitude on firebase

I created a project in ionic and I would like that when the user clicked on "save location", the position where he left the marker was saved in his user profile in firebase, however, I have no idea how to get the latitude and the length of the m...
asked by 27.10.2017 / 20:46
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Receiving notifications within an activity

I can send a Firebase notification to my App but when I open that same notification it does not open within the Activity I want. How do I direct this notification to the activity so that I can see the message sent from Firebase?     
asked by 07.12.2017 / 13:44
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Insert data and "primary key" in Firebase

Good morning, I'm starting with programming, and I have the following question. 1. I can enter data in the firebase, but when I try to insert it again, only replacing the data occurs instead of inserting the new record. How can I enter da...
asked by 30.08.2017 / 14:42
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Login with Firebase

I am developing a Login screen with firebase, I would like to know how can I block an XMLHttpRequest call via the browser console? The login is done via ajax, when I get the authentication information from the firebase, I make the request for th...
asked by 30.08.2017 / 20:01