Time Questions

Hi i am new in react and firebase database. i am getting error while try to print data using map.

When, using a button, i try to update a data in firebase realtime database using setvalue() method, it recreates the activity

On my android app, i have a calendar. when i click a date, i want to just show the items from that selected date. in other words, filter all other

I'm new to using firebase and node.js and have a general question on where and when to use ' admin.app().delete() ' ? i understand it's

I want to retrieve the data beneath a node in firebase which has an unknown id. i have used push().getkey(), which assigns an

I'm trying to implement a friend adding system for a react native project. i'm using firebase realtime database. the problem is when i use the

I am developing an android app the app fetches the data from firebase using firebaserecycleradapter and i need to implement a

I have read the question on

As in the title, what does the name of the timespec struct in time.h from the c standard library stand for? is it

What is the best way to use the latest version of eonasdan datetimepicker in react the project url:

I have two subscribe like this : this.birthdays = await this.birthdaysp.getbirthdays(); this.birthdays.subscribe(groups => {

I would like to get data for a specific user, which i know its uid, i want to retrieve all the data that is for that specific user. can you help

I am using firebase realtime database rest api on the client-side. i noticed that you need to send the access token on the url and this info is

Chat.java : my app only shows the last message typed and shows in the chatwindow. my firebase database gets the messages but i am unable

How do i get the last id entered in realtime? i have something like that, and i need the id of the last record entered in license

Does firebase allows me to fetch only some params from a node ? example user has: id, name, email, birthday, zip_code

Here is the scenario: i have a timer which counts from 60 to 0, when it's finished (it's on 0), user can select a button (which is located in the

I am trying to set a variable i have declared as public inside my class inside of a value event listener in firebase. although, i am receiving the

I have a service like this async getbirthdays() { const user = await this.authsp.getuserinfo(); let bdays = [];

I'm using cloud firestore to store chats, which i would like to sort by lastestmessage.created. i was not able to use the query because i was

My ultimate target is to generate a pdf and send it via email through firebase cloud function but i'm still testing things out. i am sending

I am making a voting system. but when you upvote then remove the upvote, the score moves up one then down two. if you then try to downvote, the

I have a firebase structure like this "lists" : { "-llbpky9q8ufcxcwem4b" : { "-llby-5q9hx0ylfkbkev" : {

Take this code: #include <stdio.h> struct s { int x; int y; }; struct s foo(int a, int b) { struct s s = { a, b };

Perhaps i am mis-using ondisonnect(), but i looked at the example code on the firebase.blog and am doing my best. when a user submits a

I am trying to get the image url for a specific user but i end up getting it for both users that i just created randomly. all i need is one user

Step 1: i am reading from a weather provider and they provide sunrise time in unix, utc - something like "1565616151"

I am writing a firebase database trigger function to push notifications to several users. for consistency i would like to batch all write

I have a simple timestamp issue. i am trying to get a timestamp using gettimeofday and it all works as it should when i print the

To create a new value, i use...

Getting double posts in my posts array when adding new posts. resulting in 2 identical new posts in my collection view im running firebase

How can i execute some code after fetching all childadded from firebase in swift 5? i've tried using dispatchgroup and observe .value, but

I'm currently trying to retrieve data from my firebase database. the current function i able only show the data. however after i retrieve the data

Items in adapter gets duplicated 2 or 3 times when we try to delete item from list in firebase realtime database. last item in adapter

I want to know how we can write firebase realtime database security rules in the way like unauthenticated user can read and write on a specific

I'm working on project in android. my situation i stored list value in firebase realtime database and then the list value and my given value is

Building a sort-visualizer in react using the create-react-app

I'm building a chat with firebase realtime database. let's say user1 has uid1 and user2 has uid2, their chatid will be uid1_uid2 (ordered

My webapp, like 99% of apps, has in db a collection of users. i can access user at /user/ so i setup rule to allow every user to access only its

I am working on a firebase project. i have a cloud function that triggers on a change of a value of one of my collection in my realtimedb.

I just figured out that in flutter list<int> values = [1,2,3,1,2,3]; firestore.instance.path.updatedata({"values":

I have a list of estates in a route that a bus visits, however somedays the estates close and an admin has to change the route list, i would like

I want to iterate through children in a firebase real time-database node this is my database structure.

I am trying to read data from the firebase database in a listview. each item in the listview comes with a button, once

I have an app that requires the user to leave the app to connect to another device's wifi network. however, when i change to that wifi network and

I'm making an android app connected to firebase and i'm using realtime database in it. the problem is that the app, that i've installed on

I am getting the following error and i am not able to fix it program type already present:

My problem that i present to you is that, i have a button inside a table view cell and when tapped a person name it displays the current user uid

Im trying to write on firebase realtime database via my android app using setvalue() it works very well.. but i don't know how i can

I am unable to access this parent node using that code. public void oncomplete(@nonnull task<authresult> task) { if

I am working on some feature using firebase and i need to send notification to the user on this scenario: first-> user registers a value

I have a environment variable like this export const environment = { production: false, firebaseconfig: { apikey:

I have a small project involving some simple financial time-series data with some real-time components on the front end. i was hoping to use the

I want to learn how to properly retrieve the image from firebase for the current user.i am trying to get the user imageurl from the

I have seen all related posts on stackoverflow, this is not a duplicate. please read the whole query once. i'm making an app that allows users to

I'm working on a kotlin app. it requires me to create my custom data type (user.item) that represents an item. i'm using a mutable list to work

I'm completely new to firebase and i was wondering how i can add a timestamp to a document on creation. i have an html form and when the user

I have a tabbed scrolling activity with several fragments as follows: com.example.myapp ui.main

This is a simplified version of the db structure that i'm working with: "user" : { "nhbaq9p8brmoaibjnkvllxtdinz2" : {

I noticed there are 2 types to retrieve a user data. which one is better? firebasedatabase = firebasedatabase.getinstance();

I am trying to retrieve the deeplink url from firebase but always shows me null. i have added below code

I'm having issues getting data snapshots value and i believe its because i'm wanting to access a hashmap<string,hashmap>()

I am trying to link my firebase application to google billing subscription. because i am trying to provide a subscription-based service but with a

I made a recycler view on a fragment , wired it with the firebase, but it won't show anything on the activity , doesn't load from firebase.. i

I would like to give multiple users access to fetch a collection of "messages" they have access to in firebase realtime

Fetched data from firebase database and added as a map object. now i need to loop through every key's value so i can get child data from it. here

I have an android kotlin application fragment with three elements in the resource layout:

I would like to ask you a question about the value of firebase and admob ad earnings with an android app. i am creating an application that uses a

I'm trying to deploy google cloud function triggers that trigger from db events, but when i run firebase deploy the functions aren't

I'm trying to fetch data from firebase and then push it into my state. the goal is to create a mechanism that will do that every time data in

I have create a class called gameinfo that takes in a time (time takes to finish the game) and a count (game1, game2, game3 etc). in my

I am creating an ios app where i have a standard set of user data in my firebase real time database. the user data consists of values such as

I am trying to get list of cities from firebase and showing in spinner. but i am getting following error below:

As static arrays are created during compile-time, may i set the length of the array with a variable obtained through e.g. another function? i

I want to create a function that will update my tableview whenever changes are made to the database.

I'm trying to save the stored image's url in the database however it doesn't successfully do that. it doesn't show any url's in the database as it

I want to retrieve data uid in user table data but for a specific user , i have 2 users, and it seems that it grabs the

I wanted to know how to correctly use a scrollview in a viewcontroller, i want it to scroll up and down normally on iphone 5s simulator is doesn't

We are building a chat app, one-to-one chatting is the main purpose of the app so for now, messaging speed is our first priority. we need a

I am searching in firebase using orderbychild("telephone").equalto("+11235123") and the value of the telephone in firebase is "+11235123" it

I'll explain. i've been stuck with figuring out how to handle timestamps in firebase using fieldvalue.servertimestamp(). so

I am trying to check if a username already exist in the database. here is the code i have written for that..

I am getting an error when following the docs of firebase database in attempting to retrieve data to an object for use. here is my object

I'm making an edit page for the user profile in firebase. i've tried a few different ways. but i could not update. just a added as a new user to

I'm trying to get an information ('firstdate') saved in firebase using this code: if(currentuser != null){ val ref =

Im trying to query and update data to firebase. but i cannot get the data. it seems the program doesn't run into ref.observesingleevent what

I just retrieve a list of data from a table named 'appointment'. from this table, i will need to get a data named 'theraid' in order to get the

There is a requirement for download the database data as a .csv file. how can i get data from firebase realtime database and convert

1 <?php 2 // get number weeks of year for 2008 3 // result 52 4 echo date("w", mktime(0,0,0,12,28,2008)); 5 ?>

I stored my data on firebase according to auto-created id. but now i need to get only today's added data from the database and populate a recycle

When trying to read from firebase i get fatal error: unexpectedly found nil while unwrapping an optional value

I know different variations of this question have been asked. however i seem to keep running into the same issue every time. i want to

I'm using react-native and am attempting to remove a child ref, my function is... cancelsleep = ()=> { const rootref =

Everything looks good. need help in finding a mistake in code. by the logs that is the snapshot from firebase datasnapshot

I have following security rules for my database: { "rules": { "users": { "$uid": { ".write": "$uid ===

I am populating my uitableview with data from firebase and when i remove the data from firebase, it is still showing up. i do not know what to put

Basically, whenever i load data into my recyclerview it automatically scrolls to the bottom of the recyclerview here what my function

So i have this functions here return db.ref("/data/" + item.id).update({ imageuri: item.imageuri, name: