Function Questions
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JavaScript object how to use Foreach loop
JavaScript's Array#forEach() function lets you iterate over an array, but not over an object. You can iterate over a JavaScript object using forEach() using Object.keys(), Object.values(), or Object.entries().
october cms extend custom twig markup
Add custom twig markup to October cms. add function, filter , test, and much more to Octobercms twig markup.
Essential javascript array functions
Much more efficient and flexible Essential javascript array functions to use in daily routine. Great Power at no performance cost.
C programming: Using structures and functions to determine the number of days between two dates
I have made the corrections suggested by craig estey. the code now compiles and work. this is the revised code: /* programme to
Getting this.startBreak() is not a function error in react.js
I'm a newbie working on a pomodoro timer app in react and i'm getting this error after calling a function within setinterval():
Firebase function storing datetime as map
I have firebase functions setup to create a new event in the firestore db with the oncall method. i am passing data to the oncall method from my
Why won't onCall function return data to the client?
I am trying to build a simple web app. the user enters a email and a oncall cloud function retrieves the uid associated with that email and sends
What is the right way to work 2 static 2d arrays in C?
I have 2 static matrices. a[][n] and b[][m]. both n and m are pre defined and are not equal to each other. now how am i supposed to write
C function with variable number of arguments returns unexpected output when called with fewer number of arguments
I'm learning c, and i created a simple addnumbers(int num, ...) function, that takes any number of int arguments, and returns the sum
Why is my valid_triangle program from cs50 doesn't work?
I have a problem with this code as i can't seem to find the problem? here is the problem that i tried to solve: - declare and write a function
I can't seem replicate my data in firestore to algolia
Basically, i'm trying to replicate my data that's already in firebase into algolia through firebase cloud functions. the code doesn't compile and
Firebase Cloud Functions Returning Processed Data Using onCall
I've been using firebase cloud functions and have run into the issue where my functions sometime hang for up to 10 seconds before returning data.
A way to efficiently parse function pointer declaration syntax
So, until now, i was pretty sure my mental pointer-to-function parser was able to parse even the toughest of pointers... how wrong was i! while
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I'm having a problem with using pointers for strings
#include<stdio.h> #include<stdlib.h> #include<ctype.h> #include<string.h> #include<math.h> char slova(char
How do local static variables work in method?
Below is my code: //main.c int f() { static int x = 0; x += 1; return x; } int main() { f();
Firestore chat app - build messages home page
I have a flutter chat app with firestore rtdb backend: messages (collection) message_1 (document) chat (collection)
How would I write a google cloud function to read firestore data and send a push notification to a user
I'm new to google's firebase framework and a novice programmer. i have data in my firebase firestore, but need to write a google cloud function
Access Firebase Storage from Firebase Functions
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
Function won't print anything back
#include<stdio.h> #include<math.h> float ar(int a); int main() { int a; scanf("%d",&a);
Accessing Refs in React Functional Component
Im using this package to add credit cards to
convert Unix time to firstore timestamp in a cloud function
Step 1: i am reading from a weather provider and they provide sunrise time in unix, utc - something like "1565616151"
Firebase database trigger - get database object from snapshot
I am writing a firebase database trigger function to push notifications to several users. for consistency i would like to batch all write
sqrt function in C not returning exact value
My code is as follows: #include <stdio.h> #include <math.h> int distance(int x1, int y1, int x2, int y2){ double
How do I store the name of a input string for a different C file?
What i am trying to do is ask the name of someone and then storing it so i can use it for different scripts. here is what i have so far.
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React firebase cloud functions with many return
There is any way to set my updatequestions variable inside a foreach + ref ? or i must do two different cloud functions ? i want to
ReferenceError: Timestamp is not defined
I am trying to convert firebase timestamp into javascript date. i referred this link to convert javascript object to
Firebase web client rewrites the error message returned by an https.onRequest function, how to prevent that?
I can not retrieve the message i send back from an "https.onrequest" function. the firebase client rewrites the message based on the error code
C Replacements for srand() and rand()
I'm trying to make a game in c fit under a 3kb limit, and to do so i want to remove all standard library references. the only header i want to
Vote function in Tideman (pset 3 of CS50)
I'm trying to deal with the vote function and there are 2 questions i'd like to seek for your help: in the vote function definition,
CloudFunctions: Request is sending twice
I have an issue and i need help since i'm learning. i have a flutter app that saves on firebase/firestore data, when a user requests a
React Fetch Google Cloud Function http cors req.method OPTIONS, POST
save time and skip to answer what's wrong with my axios 'get' this.props.profile.id logs into
What is the proper way to execute axios / firebase promises in a specific order in a firebase function?
What is the best way to chain axios / firebase promises that must be linked in a specific order and use the returns of previous promises?
Return promise from Firebase Cloud Function
I have callable function in my cloud functions: export const getuserbyemail = functions.https.oncall((data, context) => {
Firebase callable function returning null result
The below google cloud function returns a null result. same code works fine with onrequest and returns data as expected. i want to use a
Call cloud function from angular app with parameters
I have angular + firebase application. in my cloud functions i have next func: export const getuserbyemail =
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Is it possible to run graphql subscriptions on firebase?
I want to use graphql subscription with firebase cloud functions. in my previous question i described that when i deployed my code to firebase it
Does Firebase Cloud Function Trigger Parallel or One by One?
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.
Printing the values of multidimensional arrays
greetings of the day i am a beginner to c. i am learning c. i am solving a problem of 2d
Undefined behaviour whist concatenating strings in C
I'm writing a c program that would concatenate all the lines ("\n" included) whilst saving the pointer to the last
Is this an array or not? (React)
Confused as to why this array (?) object is not behaving like an array. i am making an api call to a cloud function, which returns an object
How can i pass values from google cloud function (firebase) to front end?
I'm currently building an app with vuejs and firebase,to get new users in this app only admin privileged user can do this task. so with help of
Root path not rendering properly
I'm having an angular application with angular universal to support server-side rendering (ssr). i have a problem on a root page. all other routes
Why is this version of strrev faster than mine?
I can't read assembly code, so my assumptions may be completely wrong! here's my code : void reverse(char* str) { size_t
C Compiler expects identifier before function
Ive been trying to write a minesweeper function in c that expands an area of blocks whenever it hits a blank space, yet i keep getting the error
Await function never executes
I have this function, that iterates through an array of strings, where each string represents a user's uid. the function is supposed to go to each
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Firebase Functions Schedule Set by User
I'm giving my users an option of "what day of the week would you like ..." the user chooses a day of the week and i'd like a firebase function to
Do Firestore Function Triggers count as reads?
I know what you are probably thinking, "why does it matter? don't try to over-complicate it just to optimize pricing". in my case, i need to.
Import only used bits from firebase-admin when using Typescript in Cloud Functions
I glanced at my transpiled code from cloud functions and following typescript import import {
Segmentation fault (core dumped) - strlcpy function C
I have been building some basic c functions, but im still not too experienced. when coding strlcpy function i keep getting
Payload size in Firebase reverse-proxy
Is there any payload size for apps hosted on firebase or the only way to limit the payload is to use some kind of middleware? otherwise do
Troubleshooting ignored functions for Firebase emulator
I'm starting my cloud function emulator according to the documentation here: firebase emulators:start --only functions
firebase cloud function showing error while i use the 'context' in callable function
This is the cloud function where i try to call context to use the auth token but it showing error. exports.checkcollege =
Pointer to pointer in linked list
Can someone explain me why this code give me as result the empty list: typedef struct str_node{ int data; struct str_node *next;
How do I return an error code in C when the return type of the function doesn't allow me to do that?
I know that the title is not self explicative, but i couldn't express in a few words. anyway, the problem is that i have a c function that returns
expected identifier (in C)
I am currently doing cs50 introduction to computer science: i started this code (written in c) where i have to code a pyramid based on what the
Incompatible types error from pointer to pointer
Void remove_element(struct node *list) { struct node *temp = list; printf("enter the element value you want to
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Value doesn't assign to struct(Pointers)
When i try assign value to *temp, it doesn't assign the value (when i'm compiling, it doesn't show the printf and by printf can't see
How to call two functions in Firebase Cloud functions
I use one cloud function to resize images and the second on for uploading a new image url to cloud firestore. but something doesn't work,
Monitor Firebase Auth Object property changes?
I've implemented by own email verification process using firebase auth and firestore as i needed to use custom email templates. client side, the
How to create listener to custom variable inside document
This code updating when any change inside document but i want when change custom variable not any variable. for example i want call this
How to update a value using in firebase realtime database?
So i am using cloud functions at the moment. what i am doing is this: export const onmessagecreate =
Using cloud function to denormalize firestore data issue
I am using many cloud function trigger and admin sdk to do multi-path update.i don't want to do too much multi-path update in client cause it will
Why the variable 'i' is returning a value of 0 when even not initialized?
Void main() { int i, n, count = 0; printf("%d\n", i); printf("%d\n", n); while (count != 10) {
Firebase deploy error - Cannot find module 'firebase'
I'm trying to deploy google cloud function triggers that trigger from db events, but when i run firebase deploy the functions aren't
passing a struct to a function doesnt work
In the below code i have create a function apart from main to divided the int inside a struct into half. after that, i want to print out
Trim Characters off a String on the Stack?
I need a c function that takes a string (allocated on the stack, not on the heap) that may have the same character on the front and back; i want
How is a string declared as a parameter to a function in c?
I wanted to know in what ways a string can be passed to a function and what is the corresponding syntax of the function declaration.
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Is it possible to install powershell on a web app hosted by Firebase?
Im hosting a node.js web app with firebase, and i need to run a powershell script. i have installed the node module "node-powershell" which works
How to fix "Missing or insufficient permissions at Http2CallStream"
I'm trying to update firestore document from cloud function using nodejs, but getting error error logs : error: missing or
Problem with functions in C (readability)
I am working on an exercise in cs50 pset2 readability, and i'm trying to count up how many sentences there are in a text. so far my code is
How recursion return the value?
1. #include<stdio.h> int recursion_check(int i); main(){ printf("%d",recursion_check(6)); }
How do I handle reads and writes of objects containing a server timestamp in Firebase?
I'll explain. i've been stuck with figuring out how to handle timestamps in firebase using fieldvalue.servertimestamp(). so
when to use firebase functions and when to use firestore client functions?
I have a project where i need to write a data along with an image i.e to both cloud storage and firestore
How can my app wait for a write execution by a Cloud Functions in Firebase before continuing?
I have a cloud function that creates my custom user object in the data base once a new user has registered. meanwhile in the app itself, after a
setting the Vary head from firebase function
I'm unable to successfully set the vary header in a firebase function. my code: res.set('vary', 'accept-encoding');
link working on localhost not working on deploy server
I have a web page rendered by a link running in localhost, but it fails on deply server. ... //this is html page var view
Cloud Functions: callback is not a function
According to
How to correctly initialise function pointer
I want to create a pointer for a function and create a function to initialise this pointer. i'm new to c and can't find example for my
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Google Cloud Function - Why bucket always returns empty array of files?
I'm trying to reach files stored on my firebase storage to return a list of them to my apk. i made a cloud function, which is not working, even
Cross domain state cookie issue for oAuth using firebase functions while on the same domain
I am implementing a oauth login for a user for the firebase platform. all works fine except if the user has
Function seems to make zero a variable in C and 'flush' previous variable
In this program the objective is to create an evaluation of workers to catalogue them by risk factor. i have declared a function to evaluate every
If -else if- else statement not working as expected
I am using 'apple clang' on macosx. the below code is a shift cipher that uses one of 8 different shift values depending on the position of
Use of undeclared identifier happening to specific function
I have the following error code popping up: in file included from filter.c:5: ./helpers.h:16:27: error: use of
Immediately invoked arrow function as a react prop
I have noticed an interesting issue in my react project. i have solved the issue by following the 1st approach but i wish to know the difference
Cloud Function finished with status: 'timeout'"
In firebase console, the last event message in functions/log section is "function execution took 60006 ms, finished with status: 'timeout'". is
Firestore Timestamp is (seconds: 0, nanoseconds: 0) when using Retrofit
I have the problem related to parsing firestore timestamp in android app. summary in my firebase firestore, i have a collection of
How to accept pointer to a function with any number of parameters, as a parameter in C and call it?
I'm building a hashmap api. in that api, i have a hashmap_new() function that creates a new hashmap (acts like a constructor). i want
How to insert elements in an array using a function?
I'm having a bit of a hard time trying to make a function in c that has 2 parameters, the name of an array and the initial size of
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When return type is default in function header and return statement is not provided, why is undefined behavior happening?
When i execute the following program in gcc, i expect output to be 0 because the return statement is missing in max() function, but when i execute
Can I change in Firestore all documents in who correspond to a certain condition without querying for all of them first?
I am building some sort of a social network. to save read operations, for every post, i store the details of the author's details with it (image
How do I wire up the firestore emulator with my firebase functions tests?
Currently we are using 'firebase-functions-test' in online mode to test our firebase functions (as described here
Firebase cloud function responding Code=-1001 "The request timed out." all the time
I'm working on an application both in android and ios with the versions of firebase cloud function 6.5.0 in web and 2.5.1 in ios, the android side
How to create document Id for firestore documents using adminSdk in Firebase cloud functions?
How to create a document push id for firestore document using firebase admin sdk in firebase cloud function. i know how to do it in
Cloud functions using Cloud Firestore and TypeScript don't execute
Edit: after diving into the guides and following doug's answer i tried to edit my code but i still can't make it to work. this is my new code
Server and client authentication: How can I create a Firebase Auth Token from server and send it to the web client?
I'm trying to authenticate my users using email and password from the server, using firebase and sending the token generated to the client.
Can I use Cloud Functions Invoker role with firebase functions?
I have a cloud function that should only be invoked by a gke cluster i'm also hosting. i'd also like to use firebase hosting to make a nice url.
I wrote a function that takes one string and, capitalize the last character of each word in uppercase and the rest in lowercase.What's wrong with it?
I have a function that takes one string and, capitalize the last character of each word in uppercase and the rest in lowercase. if a word has a
How to upload a single file with a title using busboy
I am trying to upload an image with it's title to cloud storage using react as frontend and busboy for handling the upload in the backend but i
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Firebase cloud function exits with code 16 what is error code 16 and where can I find more info?
One of my cloud functions on firebase exits with code 16 as an error. i tried to google and find out what that code is but no luck at
Firebase cloud functions using Python?
We are using gcp's firebase with firestore for a new mobile app we are developing. as part of this effort we need to deploy a number of cloud
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