Mongodb – How to keep user logged after browser closing in React – Express?
I am developing an application in React - Express - Mongo, how can i keep the user logged even after the browser is closed or page is refreshed?
Mongodb Update a field in a document and then update another depending on the value of previous field
I have a document like this { "_id": ObjectId("626f942bb092f78afd9dad9d"), "item_id": "external _id222", "metadata": { "item_name": "abc", "quantity": 123, "state": null }, } What I would like to do is, $inc i.e. increment the count of quantity and then update the…
Mongodb – Uncaught TypeError: Cannot read properties of undefined (reading 'map') Errors
I get this error whenever I try to fetch data, I don't know why, it should show me posts but it gives me an error and a white page! This the error I get This the Posts.jsx code import Post…
Mongodb – select docs where all items in an array match a criteria
Consider this data in mongodb: { "ordernumber" : "161288", "detail" : [ { "articlenumber" : "1619", "price" : 10, }, { "articlenumber" : "1620", "price" : 0, } ] } So basic order data with an array of articles in…
How to Wait Until a MongoDB Connection is Made before Using the Database
I have the following code to create a connection to my MongoDB database, and to store it for future use. const mongodb = require('mongodb'); const MongoClient = mongodb.MongoClient; // The database will be defined once a connection to between the…
Mongodb – NodeJs: how to assign additional objects to mongoose query response JSON
Using mongoose I am querying a list of posts and would like to determine whether or not the user has liked the image or not within the query function by adding a boolean to the response JSON. I am trying…
Mongodb – How to compact disk space in AWS DocumentDB
After deleting many documents in my DocumentDB database, I reduced my collection to a size of 2.7GB but storageSize remains at 11GB. Is there any way to free up this space? In the WiredTiger implementation for MongoDB, there's a "compact"…
Mongodb – Why does Mongoose updateMany() only work when using .then
I'm learning Mongoose and I can't find in the documentation, nor in other questions on this site, why updateMany() needs to have a .then() in the end to be executed. As an example, here is the code I'm trying to…
How To Search An Object Property in An Array of Objects? Mongoose, MongoDB
Edit: I have solved my problem. The solution is in the comments. I'm trying to allow users to link other accounts to their main accounts on my app. When they go to link an account I want to ensure the…
Query MongoDB where at least one value of an array is inside a range
How might I query MongoDB for all documents where at least one value in an array falls inside a range, e.g. 8 to 10. If I query it as an enumeration, this works as desired: {x : {$in: [8, 9,…