I follow a tutorial but I still having a problem as title say. I have a index.html and a backend with Node connected to Mongodb and I can't get it to work. Here is my index.html <!doctype html> <head> <meta…
I have an error when i try to post this schema data into Form.js. Mongoose schema looks like this: const postSchema = mongoose.Schema({ title: String, message: String, creator: String, tags: [String], selectedFile: String, likeCount: { type: Number, default: 0 },…
I'm trying to use the code from this answer to extend one OSS application. However app.js is sync and no matter what I do, I cant force it to wait for the promise to resolve. app.js var cosmos = require('./cosmos.js');…
I am trying to retrieve data in my MongoDB database. If I have the following below in my mongoDB database, I want to select the Password given the Username. So in this case, I will be looking through the database…
I am fairly new with MongoDB, so apologizes for what might be a basic question. I have a bunch of documents in a collection (call it CollA), and taking a subset of it and the particular field in question would…
When I update balance, I need to keep paymentCost and Date information as a Array. But I see only one payments info in everytime. This is my user Model: const userSchema = new Schema({ username:{ type: String, require: true },…
I have following document: Below layouts.nodes, there are many node fields(no limit), and I want to find the maximum x value in these nodes. How can I achieve this? (this specific document format is a configuration of a frontend library)
I'm trying to update multiple fields of a object in an array but it doesn't work. what am i doing wrong? Data Sample: { _id: 'mongodbid', name: 'something', employees: [ { age: 25, name: 'name', salary: 500 }, { age:…
Let say this is my API: app.post('/refund', function (req, res) { Transaction.findOneAndUpdate({_id: req.body.transaction_id}, {$set: {refund_status: true}}). exec(function (err, transaction_status) { res.end("Refund successfully") } } If two admins click the refund button at the same time. My customer will receive a…
I am new to Mongo and I have a question about deleting documents using PyMongo. I have a collection called mycollection. It has documents looking like this: { "field1":"value1", "field2":"value2", "array_field": [ "id1", "id2 ] } I want to delete…