Syntax error : JSON parse error : unrecognixed token '<' find solution of this error. one page is working a fine with same code and one page shown this error with same code. i did not understand what is my…
I am working on an inventory system management using MongoDB,ExpressJs,ReactJs,Express, and my question is - how I can update a product quantity after completing it's order? let me explain: if the product quantity in stock is 10 for example,then after…
I am triying to make a post query from my React Native (expo) app to Node.js server (express). And the post is doing nothing. Even, console.log doesnot work. Please, need your help with this React Native App code: const options…
So I have a mongo schema, which looks something like this: const UserSchema = new mongoose.Schema({ profile: { // ...other stuff age: { type: Number, min: [18, "Min age is 18"], max: [99, "Max age is 99"], }, And Im…
I have an application with 2 models: Student, Book (see below). Whenever a book is added, I would like it to be appended to the books array of every student model. The updateMany function of Mongoose should by my understanding…
I was trying to learn MongoDB CRUD operations along with node express js when i try to go 'http://localhost:5000/service' its throwing the following error : D:Projects_WebDevBackEndserver-genius-car-servicenode_modulesmongodblibcmapconnection.js:207 callback(new error_1.MongoServerError(document)); ^ MongoServerError: user is not allowed to do action [find] on [genius-car.service]…
I'm following this MERN stack tutorial and stuck on this video about models and schemas, starting around minute 7: https://www.youtube.com/watch?v=O8IipcpTmYU&list=PL4cUxeGkcC9iJ_KkrkBZWZRHVwnzLIoUE&index=5 I created a schema with mongoose, exported, and when requiring it in my routes file it can't be found. File…
I building a calendar app with React & Express.js & Mongo DB the calendar has month view displays weekly events, and i want to delete these events automaticlly after 30 days my schema.ts: import { Calendar } from "../types"; const…
I'm learning the MERN stack and trying to create an authentication, but now I have a problem, whenever I'm trying to register, I have an error 'TypeError: User.create is not a function'. I think that I have a problem with…
I am trying to add an item to a MongoDB array with RESTAPI through Axios. I thought it would look similar to the push method but I have no idea how to do that. my Model is of a person:…