basically a user has properties {_id: objectid, username: string, password: string, .. etc} I send this route a json like below to change its username Assume Admin123 doesn’t exist then const foundUser would not be null because there is no user in the user collection with username Admin123. However const foundUser is never null? I’m not sure what I am
Tag: mongodb
Res value is null in an app.get call done from vue.js front-end to express back-end
I am calling this code from the front-end and confirmed that there is a proper db connection and that the Id value is properly passed, and that there is a corresponding value in the database, but for some reason, res is null. What am I missing? Here is the front-end call: Answer You could try to convert your id to
Express APP how to redirect user to /:id path from server side
I’m learning Node.js and I’m finding some troubles with redirecting the user to an :id path. I would like to print there his username. So to make an overview it is a landing page with a form where I ask for an Alias and an email. When user clicks submit I’d like to move him to /:id path to print
how to use “$dateToString” into mongo db 2.6 is any substitute?
I made a script in local development machine mongoDb 4.0 its working flawless but for client server MongoDb is 2.6 so $dateToString is not supported. is there any substitute using $dateToString into mongoDb 2.6. Using MongoDb 4.0 : Output : But in MongoDb 2.6 Iam getting Error : Database design : Answer In MongoDB 2.6 you would need to use
How to upload multiple images to cloudinary and send urls to another database using javascript
This is my first time posting so please excuse my mistakes. I’m trying to upload multiple images to cloudinary, save the urls in an array and send them along with the rest of the form data to mongodb (one record with multiple images). I cant figure out how to call the mongodb function only after All the images are uploaded
Weird output “<Buffer" in child_process.spawn
Trying to write a script to dump my MongoDB to afterwards restore it in a Test database again. Weirdly the script does what it is supposed to (I can find the output BSON under the specified location), but the output is cryptic: Answer That output is just encoded text. Try this to see the real output: Note that this output
How to exports many mongoose models modules in node.js
I have 2 models like this Now I want to export them. First I export Db and everything is fine. I can do an HTTP request with it. However, when I try to export ´the 2nd one outside, it stops functioning. The functions below will return a blank JSON file as a response. This won’t work either. It returns an
How to insert documents if they don’t already exist from within a remote method in MongoDb using LoopBack
I’m very new to MongoDB (about 4 days in) and I’m trying to insert documents into my collection from within a remote method using Loopback without adding duplicate documents. I firstly tested adding documents as such: Which worked without issue. I then moved on to trying to add a document without adding duplicates a few other answers: However, this did
How to update user data in MongoDB using node.js
I have a simple express app with MongoDB connection where I can register a user. Registering and logging in and out works fine but now I’m trying to add possibility to edit user data. My code doesn’t throw any errors but it doesn’t update the data in database neither. I’ve tried to read the MongoDB documentation and similar problems from
Automatic Random Test Data Generation of Documents for Seeding a MongoDB Database
I’m using JSON Generator https://next.json-generator.com to seed my MongoDB database. I’m finding trouble to generate a random set (from one to six) of colors out of the predefined group. I’ve succeeded to generate all of the other property values but color. I need for the availableColors key to generate a random variable number of colors out of a predefined set