JavaScript Controls

According to the mongodb node driver docs the aggregate function now returns a cursor (from 2.6). I… Read more Mongo Aggregation Cursor & Counting

My collection has an array of values, but I'd like to retrieve only the last X. Example: db.col… Read more Limit Number Of Values In A Field Using Mongodb

Let's assume we have a query builder service B that spits out mongo db query when called. This … Read more How Serialize Mongodb Objectid("uniqueid") To Json In Nodejs?

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

I have a below collection [ { 'Array1': [ { 'Array2': [ … Read more $filter Upto 3 Nested Level In Mongodb

so basically I've a wish list and I've bunch of products that I want to add inside the the … Read more $addtoset To An Array But It Gives Me Null

I'm using a node.js and mongodb, and I'm trying to query the database based on the mongo ge… Read more Querying A MongoDB Based On Mongo ID In A Node.js App

As a basic example, I have this function saved: db.system.js.save({_id: 'sum', value: funct… Read more Calling Db.system.js Function In $where