31 questions
What do you want to doI would like to print the expected results below with the MongoDB command for the document to be processed.(Some documents do not contain some arrays) Documents to be processed{ ...
For example In the score collection{ _id—ObjectId(50f5379785ac77daf3dd4bfd), user: { $ref: collection_user, $id—ObjectId(50f5370e85ac77daf3dd4bfb) }, score—100}in user collection{ _id—ObjectId(50f5370...
Hello, I'm a student who is working on the project again after the midterm exam.I'm working on NodeJs project and I'm trying to link it with mongodb using mongoose module.For each iteration of the doc...
Node.js is being studied and developed.First of all, I'm going to use DB because I need a member management function, so I'm seriously thinking about what to use.It seems that MEAN often uses mongdb f...
Environment:centos 7mongodb 2.6Question:Mongodb is installed and running.If you restart this server, it should be added to auto start and Mongo should be auto start, but it didn't run, so I checked it...
I'm implementing it while studying web messenger, but currently, I've completed the implementation of the conversation between the users.The problem is that when one of the users ends the connection (...
I heard that there is no AutoIncrement function in MongoDB, so when I looked it up, the reference document suggested a way to create another collection and implement it as a function. https://docs.mon...
In Node.js, the express framework-based database uses MongoDB.However, it was not as easy as I thought how to implement the comments and subcomments.Can I get advice from people who have implemented o...
1. Is it true that you can't use Mongo DB in Django?2.https://github.com/netjson/django-netjsongraphI want to use the graphic part of this code to create a new code using Django, but I don't know how ...
var mongoose = require('mongoose'), Schema = mongoose.Schema;var schema = new Schema({ name: {type: String, required: true, unique: true}, img: {type: String, required: true}, field: {type: String, re...
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