I am tying out node.js, but not able to wrap my head around why one works and other doesn't can you explain to me why this works: app.delete('/notes/:id', (req, res) => { const id = req.params.id; const details = {…
I am trying to add a field to an aggregation called friendshipStatus and it determines whether the user is friend of the requester or no. i have this whole query [ { $match: (query) ? query : {} }, {…
I have written below code in server.js to connect with mongo db- // server.js const route =require('./routes/yourRoute'); const express = require('express'); const mongoose = require('mongoose'); const cors = require('cors'); const bodyParser = require('body-parser'); const app = express(); const port =…
I am using NodeJS and MongoDB atlas to create my own API for my online portfolio. I have tested it locally and it's working fine. So I decided to deploy it and test it in 'Render(Web Services)' because it is…
I'm new to app development and have been creating a app with flutter UI and creating a backend with django and Mongodb.. How to link this with each other.. I don't know which file should i write the link code.…
I have a collection containing documents as such: { "category":"A", "list": [ { "item": 1, "sub_list": [ 11 ] }, { "item": 2, "sub_list": [13, 43] }, ], } How do I add a number to the sub_list given category…
I have setup a mongodb atlas. Also, I have configured a VPC peering from mongodb atlas to my AWS VPC. I have allowed VPC CIDR in the IP access list on mongodb atlas and it's working fine. I also have…
I'm using Mongoose and NodeJS and I want to populate products. const result = await orderModel.find({}).populate({ path: 'products', model: 'products', select: { quantity: 1, unit: 1, product: 1 }, populate: { path: 'product', model: 'products', select: { type: 1, name:…
I have a document structure like this: [ { "country": "UK", "shops": [ {"city": "London", "fruits": ["banana", "apple"]}, {"city": "Birmingham", "fruits": ["banana", "pineapple"]}, ], }, { "country": "DE", "shops": [ {"city": "Munich", "fruits": ["banana", "strawberry"]}, {"city": "Berlin", "fruits": ["kiwi", "pineapple"]},…
I am currently creating simple CRUD app that lets me create products and store it in a Mongo database. The app is working fine, except that it is constantly throwing an error message when I try to go to my…