JavaScript Passion

When I deploy my node.js server to Heroku it throws the following error: 2018-12-27T10:10:28.3701… Read more Cannot Find Mongodb Module When Deploying To Heroku

I understand that you can limit the items in a subcollection array using $elemMatch as a projection… Read more Is It Possible To Use Query Projection On The Same Collection That Has A $elemmatch Projection?

I have this schema with a date for the field 'created_at': var post = new mongoose.Schema({… Read more Query On Date For Posts Created The Last 24h

How do you do a 'join' (i know it is not the correct term) with an array of messages in mon… Read more How Do You Do A "join" On An Array In Mongoose (mongodb) With Node.js?

I'm working on a MEAN stack project, and trying to pass a set of variables from one controller … Read more Exporting Multiple Objects In Node.js

So what I'm trying to do is making a 'AND' search with mongoose to mongoDb, but the res… Read more Mongoose Text Search With And Operator

This is a followup question from my previous question here on stackoverflow.com. Firstly, Thanks to… Read more How To Return Subdocuments From An Object In An Array With Meteor And Mongodb

I would like to get information if selected user email & name already exist somewhere in MongoD… Read more How To Check If Selected Email & Name Is Alread Exist In Mongodb

I am trying to design my database model and i dont have clue how to fit array of strings and array … Read more Mongoose Model, Array Of Strings, Array Of Objects Structure

I am using meteor. I build my app with meteor build. Then I try to run it with pm2 MONGO_URL=mongod… Read more Meteor App Ran With Pm2 Fatal Error: Call_and_retry_last Allocation Failed - Javascript Heap Out Of Memory

I have an aggregation with mongoose, the objects what i get looks like this: foods: { fruits: {… Read more Mongoose - Aggregation $match Based On Enum Values

I am trying to save an array of objects in MongoDB using node.js express and mongoose (MEAN stack).… Read more Maintaining Order Of Http Requests Within A For Loop In Javascript

I have an instance method in Mongoose where I need to perform Mongo's $inc operator on a field.… Read more Perform $inc In Instance Method, Get Updated Document

I'm trying to create a rearrangement of cards, lists like Trello. I read about how it does here… Read more How To Rearrange Cards And Lists Like Trello?

I'm trying to set an unlimited query parameter in express js.But I couldn't figure out how … Read more Express Js Unlimited Query Parameter Function?

I want to save 1 million records to mongodb using javascript like this: for (var i = 0; i Solution … Read more How To Save 1 Million Records To Mongodb Asyncronously?

Are there any reliable techniques for storing prototype-based libraries/frameworks in mongoDB's… Read more Techniques For Storing Libraries In Mongodb's System.js

I am trying to retrieve some lookup data for an embedded array in a document. Here is a sample of t… Read more How To Lookup A Field With An Array In Nested Subdocument Mongodb?

I'm working on a project that uses Flask as a backend and sends data from MongoDB database and … Read more Objects Are Not Valid As A React Child Data From Mongodb

I am using MongoDB aggregation in meteor. I got duplicated data when subscribe multiple times. (The… Read more Got Duplicated Data When Subscribe Multiple Times