I try to use a prop value to set a state but it keeps giving me null. The prop value has a valid value (boolean). This is the constructor of the child component: constructor(props: any) { super(props); this.setState({ ...this.state, customUser:…
I am passing data from a db load query into my script, and having a useEffect to update the existing data. This is for some reason causing the UE to run infinitely. useEffect as follow, with it called by the…
I am fetching data from a graphql API, and after fetching the data once, I want it to persist on page reloads, and it should only make a new API call when the query changes. I'm using @apollo/client to fetch…
import express from"express" import cors from "cors" import mongoose from "mongoose" import bodyParser from'body-parser' // const {Schema} = mongoose; const app = express() app.use(bodyParser.json()) app.use(bodyParser.urlencoded({extended: true})) app.use(cors()) await mongoose.connect('mongodb://127.0.0.1:27017/loginRegisterDB',{ useNewUrlParser: true, useUnifiedTopology: true },) .then(() => console.log( "connected")) .catch((err) =>…
what is the best approach? i need a boolean to use in a button and the result of this boolean i already have in a state of menuPosition. const [menuPosition, setMenuPosition] = useState<null | HTMLElement>(null); I thought creating a new…
I have an app built in Nexjs (13.4, Node 18.16) that calls a Lambda function (API Gateway). I have the same versions locally, and it runs fine when I do npm run dev, but I hit an error when I…
I have an array inside an object addedCertificates and I want to push values into it. const addShift = () => { setShiftList((prev) => [ ...prev, { id: shiftList.length, date: '', startTime: '', endTime: '', addedCertificates: [], selectedCertificate: '', },…
Im implementing a basic login which checks wether a user is in a list or not, if it is, then put the username into localStorage and then redirect to ("/") based on the console.log it sais that it got redirected…
I am new to React and have been trying to build a filter option. i managed to filter single values for example category but if i select brand i lose the category value.. i am not sure how to filter…
I am developing a Next.js app with version 13.4 and I am getting this warning in the console: The resource <URL> was preloaded using link preload but not used within a few seconds from the window’s load event. Please make…