MongoDB

Great Reads

Working with MongoDB's $lookup Aggregator

by Marc Clifton

A deep dive into the $lookup aggregator with examples of one-to-one, one-to-many, many-to-many, and nested relational "queries"

Aggregation in MongoDB

by Vikas Sharma

In this article, we will focus on aggregation pipeline. I'll try to cover each major section of it using simple examples. We will be writing mongo shell commands to perform aggregation.

Storing Tree like Hierarchy Structures With MongoDB

by Vyacheslav Voronenko

Three approaches to store tree like structures with NoSQL databases in MongoDB

Run Database and GUI Clients in Docker

by DiponRoy

Quick start example to run DB and clients in docker

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Rental Property Management Platform with a Mobile App

Microservices using ASP.NET Core 8, Ocelot, MongoDB and JWT

by Akram El Assas

Microservices sample architecture using ASP.NET Core 8, Ocelot, MongoDB and JWT

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Open Source eCommerce Platform on Next.js

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top

MongoDB

Working with MongoDB's $lookup Aggregator

21 Jun 2016 by Marc Clifton

A deep dive into the $lookup aggregator with examples of one-to-one, one-to-many, many-to-many, and nested relational "queries"

SQL

Linux

.NET

MongoDB

DBA

Architect

Aggregation in MongoDB

27 Oct 2016 by Vikas Sharma

In this article, we will focus on aggregation pipeline. I'll try to cover each major section of it using simple examples. We will be writing mongo shell commands to perform aggregation.

SQL

MongoDB

NoSQL

Storing Tree like Hierarchy Structures With MongoDB

16 Jan 2013 by Vyacheslav Voronenko

Three approaches to store tree like structures with NoSQL databases in MongoDB

Run Database and GUI Clients in Docker

6 Jul 2022 by DiponRoy

Quick start example to run DB and clients in docker

MongoDB Basics – Part 1

17 Oct 2017 by Nikola M. Živković

MongoDB basics

MongoDB

MEAN Stack with Angular 4, Auth0 Auth & JWT Authorization - Part 2

28 Aug 2017 by Yaseer Mumtaz

Angular 4 Client Development

How to Configure Node.js and MongoDB for Production in Ubuntu

23 Feb 2018 by Manjunath Matathamana

Setting up Node.js and MongoDB backend, and then getting an application up and running can be challenging. This tutorial helps you make the whole process easier.

Using Encryption and Authentication to Secure MongoDB

25 Jan 2018 by George Swan

How to use encryption and authentication to secure MongoDB

.NET

MongoDB

SysAdmin

Supporting the Lost Animals Search Service Through a Simple and Useful Mobile App

19 May 2022 by André Marcos (Advisor), GracianoSouza

React Native, Node.js and PostreSQL, a PERN stack to develop an app to support the lost pets searching process

Automating backup for MongoDB using CRON and S3CMD

19 Feb 2013 by Lazaro Lima

This paper attempts to pass all the steps to create an automated backup for a MongoDB Server on a Linux Server where all backups are sent to Amazon AWS S3 service scheduled through crontab.

MEAN web development #7: MongoDB and Mongoose

7 Sep 2015 by Sander Rossel

The seventh in a series on MEAN web development.

Performing aggregations and using async methods with MongoDB 3.2 and C# driver 2.0

13 Feb 2016 by Paulo Henrique S.S.

Getting started with MongoDB 3.2 and C# driver 2.0

MongoDB Version 2 Some Operations

3 Mar 2016 by witnes

CRUD with filtering for MongoDB version 2 driver

.NET

MongoDB

MongoDB CRUD Operations with .NET

2 Oct 2016 by dileep

This post explains how to implement CRUD Operations in the MongoDB by using C#.

C#5.0

.NET4.5

MongoDB

Build Modern App with MEAN Stack 2.0 – Part 1

3 May 2017 by Pankaj Kumar Choudhary

Basics of MEAN stack development and concepts that are required for MEAN stack development

Mongo DB Basics – Part 2

18 Oct 2017 by Nikola M. Živković

MongoDB basics

MongoDB

Data Cache Synchronization using AWS SNS and Lambda

29 Dec 2015 by Peter Carrasco

This article describes a pub-sub model using AWS Lamdba along with SNS to keep your AWS-hosted RDMB system of record and cache in sync.

Using MongoDB to Implement a Semantic Database - Part I

12 Feb 2016 by Marc Clifton

Part 1 of a 3 part series on how to use MongoDB for implementing a semantic database

Using MongoDB on Node JS Application Using Mongoose

3 Dec 2017 by Sibeesh Passion

How to use a MongoDB on our Node JS application with the help of the package Mongoose

MongoDB

Spring Data, Spring Boot, MongoDB (Example & Tutorial)

9 Jan 2018 by Programming Tutorials by Tests4Geeks

Spring Data, Spring Boot, MongoDB (Example & Tutorial)

Spring

MongoDB

Learn MongoDB With Me - Part 2

1 Mar 2018 by Sibeesh Passion

This is the continuation of exploring the Mongo shells, we will be performing some commands on the Mongo shells.

SQL

Javascript

MongoDB

Using MongoDB .NET Driver with .NET Core WebAPI

8 Nov 2019 by Petru Faurescu

Simplified guide to building a fast, secure web application backend

Connect MongoDB from Any Working Directory on ubuntu

4 Nov 2014 by binit.ku.singh

Connect MongoDB from any working directory on ubuntu

MongoDB

NoSQL

database

Getting Started with mongodb

8 Apr 2015 by ColdskyXia

How to get started with mongodb

Linux

MongoDB

Fix for : The 'await' operator can only be used within an async method. Consider marking this method with the 'async' modifier and changing its return type to 'Task<System.Web.Mvc.ActionResult>' ?

9 Apr 2015 by johannesnestler

You Need to include "async" identifier in your method signature. MSDN is your friend: https://msdn.microsoft.com/en-us/library/hh191443.aspx[^]

IoT Path-to-product: How To Build The Smart Home Prototype

19 Jul 2016 by Intel

The exercise described in this article demonstrates how to recreate the prototype from the path-to-product project.

Using Mongo with SSL and GO

3 Jan 2017 by Fitim Skenderi

Connecting securely to MongoDB by using SSL from GO

MongoDB

Dev

WebAPI

MEAN Stack with Angular 4, Auth0 Auth & JWT Authorization - Part 3

23 Jan 2023 by Yaseer Mumtaz

Authentication & Authorization using Auth0 & JWT

Simple Python Flask Program with MongoDB

6 Aug 2018 by Sarathlal Saseendran

This is a sample Python Flask program uses mongodb as database.

Python

MongoDB

[TinyERP: SPA for Enterprise Application]Manage Staffs - Part 2

27 Dec 2018 by tranthanhtu.vn

[TinyERP: SPA for Enterprise Application]Manage Staffs - Part 2

MongoDB C#: How to Deserialize a JSON Containing a DateTime into a Proper BsonDocument DateTime Value

23 Nov 2018 by Luke Vosyka

What if your Json contains a datetime value like "2018-11-23T20:56:05.3117673Z" and you need it to be in a BsonDocument as a proper BsonDateTime value?

MongoDB C#: Serializer for DateTimeOffset to BsonType DateTime

24 Nov 2018 by Luke Vosyka

Serializing DateTimeOffset to DateTime in MongoDB is currently not supported. This solution will show you how it can work.

MongoDB

Dev

Choose the Right Model: Comparing Relational, Document, and Graph Databases

24 Nov 2021 by Arctype SQL

There are three major types of database models in use today. Learn about their differences and what applications they are good for.

Real-time conversation issue in a chat project

14 Aug 2023 by Sandeep Mewara

It's a well documented sample application for learning WebSocket (using socket.io & react/node.js). References: Video: Realtime Chat App with React, Node.js, Socket.io and MongoDB - YouTube[^] How to Create a Professional Chat API Solution...

How to Use Docker in Secure & Complex Network?

17 Oct 2018 by Aditya Rajendra Patil

Don't mess with docker Network, else the below article on Docker with Network Complexity will be helpful!

Framework for Performing Aggregation and Plain MongoDB Queries in myBatis Style

12 Sep 2013 by dmgcodevil

Framework for performing aggregation and plain MongoDB queries in myBatis style

MongoDB and .NET: Securing your MongoDB data with user authentication

28 Jun 2014 by Peter Carrasco

C# connect to mongodb with error

27 Oct 2014 by xinxin0629

my application host server is 192.168.248.142 and my mongodb server is 192.168.248.150, and now the mongodb server was started. the message was below:------------------------------------------------------------------------------------[root@mongodb ~]# mongod --port 27017 --bind_ip...

MongoDB

Fix for : The 'await' operator can only be used within an async method. Consider marking this method with the 'async' modifier and changing its return type to 'Task<System.Web.Mvc.ActionResult>' ?

9 Apr 2015 by anil pathak

// it will work if your .net framework would be 4 or 4.5 or upper[HttpPost]public async Task Createaccount(Register reg){ if (ModelState.IsValid) { var client = new MongoClient(); var db =...

Anyone has installed mongo db in win 32 bit system, please help.

13 Apr 2015 by Black_Rose

You can try downloading from herehttps://www.mongodb.org/dl/win32/i386[^]

Rogue Wave OpenLogic: A Review

16 Jun 2015 by Chris_Riley

I recently spent some time with Rogue Wave OpenLogic product. OpenLogic is an “open source” component review tool.

MongoDb 3.2, C# MongoClient 2.x, TextResearch: How To Deal With...

31 May 2016 by roks nicolas

For those who deal with Text Research in MongoDb 3.2 with the new C# Driver, here is some advice.

How to connect angularjs and mongodb database

28 Jul 2016 by Suvendu Shekhar Giri

Not sure, why didn't find anything for such keywords but here a few of the articles on such thing, check if these are useful-Using AngularJS with MongoDB | Mongo JS | InformIT[^]AngularJS Tutorial for Beginners With NodeJS ExpressJS and MongoDB (Part I) - Adrian Mejia’s Blog[^]Try...

AngularJs

MongoDB

Apply Filter on a Nested Array in a MongoDB

6 Jul 2017 by Pankaj Jha

This tip explains how to apply a filter on a nested array in a MongoDB collection.

MongoDB

What is latest technology for chat application and audio video call.

21 Sep 2017 by Richard MacCutchan

What is the best? The one that works for you. This is such a subjective question it is impossible to give a valid answer.

Read specific field values from mongodbc#

27 Oct 2017 by Richard MacCutchan

Project Fields to Return from Query — MongoDB Manual 3.4[^].

MongoDB

Json array to java object by the given code

12 Nov 2017 by Richard MacCutchan

java json - Google Search[^]

Java

MongoDB

JSON

Creating a Chat Application in Node JS with Express, MongoDB, Mongoose and Socket.io

4 Dec 2017 by Sibeesh Passion

A chat application in Node JS with the back end MongoDB

MongoDB

Using ApsaraDB to Build Scalable MongoDB Instances

9 Jan 2018 by Nicolas Bohorquez

In this article, we’ll explore using Alibaba Cloud’s ApsaraDB for MongoDB service, which allows us to set up NoSQL databases in a simple but scalable way.

SQL

cloud

MongoDB

Professional Application Development in MEAN Stack - Part 2

16 Mar 2018 by Yaseer Mumtaz

After setting up the basic development environment, let's create the master/layout and home page

[TinyERP: SPA for Enterprise Application]Add new staff

19 Nov 2018 by tranthanhtu.vn

Overview. As mentioned in "Manage Staffs - Part 2" part, It was easy to query the list of staffs as they were prepared before hand.. All necessary preparation steps occurred in "Add/ update staff information".. Let see "Add staff" first.. Add the following line into staffs.

Using MongoDB .NET Driver with .NET Core WebAPI

16 Apr 2019 by Petru Faurescu

What’s about Problem / solution format brings an easier understanding on how to build things, giving an immediate feedback.

How do I transform data from mongodb to mysql.

22 Mar 2020 by phil.o

Image data type is binary content. JSON, on the other hand, is text-based. The simplest solution would be to encode the binary content as Base64 strings on the mongodb side, and then decode the Base64 strings back into byte arrays on the MySQL...

Get location of multiple images in mongodb database

11 Aug 2020 by Tridib Chatterjee

I'm trying to upload multiple files from my NodeJs application to a MongoDB database using Multer. But the problem is when I'm saving the location of the file in my database only one file location is saved while others are ignored. This is...

Validation error when I post data in mongodb using node

16 Apr 2022 by Mr Dev 2022

const [input, setInput] = useState([]); change this code like this. const [input, setInput] = useState({});

Node.js

MongoDB

ReactJS

How to create a column dynamically in datatable?

2 Sep 2022 by CHill60

Richard's idea is a good one and simple to implement. However it does not cater for growing data. I suggest that you extract the data as individual rows (per product per price) and then pivot that datatable to produce another Here are a couple...

MongoDB

DataTable

Spring mongo criteria querying data which are present and not present in database

16 Jan 2023 by Andre Oosthuizen

You are adding a new client twice, at the start of your code and then again within another if else statement. I am not familiar with the code used ?-Java/MongoDb -? but the basics is the same How it works - 1. Search data table for client with...

How to deploy whatsapp chatbot and web application in heroku

20 Feb 2023 by Richard MacCutchan

See Learn about building, deploying, and managing your apps on Heroku.[^]

Inserting json file to mongodb

13 Dec 2018 by ali_1

Hi, I want to insert a JSON file but it's showing that duplicate _id cannot be inserted in MongoDB . I have json input file in below format {"Name":"Name1","age": 21,..................} {"Name":"Name1","age": 21,..................} can any one help ? What I have tried: var client = new...

MongoDB

JSON

I cant delete data from fetch in react.

14 Jul 2023 by Andre Oosthuizen

The problem lies within your 'removeElm' function when you try to laod 'userid - the path to 'demo/users is not found and thus no 'userid' is returned. Some steps to try and find the reason why the file is not found - 1) Make sure your localhost...

Node.js

MongoDB

ReactJS

How to call api route from within the route of another route in nodejs

24 Sep 2020 by Sam_k_khan

router.get("/GetCategories", (req, res) => { console.log("again"); category.find((err, docs) => { if (!err) { res.render("Category", { viewTitle: req.viewTitle, list: docs, }); } else { ...

Node.js

MongoDB

API

Real-time conversation issue in a chat project

16 Aug 2023 by Andre Oosthuizen

a Few changes is needed to make sure your message is sent and viewed - In chat.html - 1) Add a check to see if the user enters a message before sending it. 2) 'Listening' for the 'Enter' key press in the input field to send messages -

How can I do that in C# with reflection?

22 Oct 2023 by Member 16121670

Hi, I know it's a bit late to answer this question, but you could use reflection to construct the generic method with something similar to this: //var typeO = objeto.GetType(); //here is the problem. The var typeO is not accepted. //var...

MongoDB

reflection

Spring Mongodb Connectivity

21 Feb 2012 by NapsterBack

My Conf.xml file contains

Java

MongoDB

Spring Mongodb Connectivity

9 Mar 2012 by manish86b

i have the same problem. Did you get any resolution to this problem ?I have posted a similar question on spring forums.http://forum.springsource.org/showthread.php?124092-spring-data-mongodb-issue-with-mongotemplate-bean-instantiation&p=404778#post404778[^]

Java

MongoDB

what is the cause of this problem and how to resolve it?

29 Nov 2012 by sshl

bson.errors.InvalidDocumentI...

Python

MongoDB

what is the cause of this problem and how to resolve it?

29 Nov 2012 by André Kraak

Your BSON document exceed the limit being supported as the error message clearly states.See MongoDB Limits and Thresholds[^] for documentation about the limit.The way to solve this is making your document smaller.

Python

MongoDB

Binding of List of Dictionary to WPF DataGrid at runtime

26 Dec 2012 by theHollow

HelloI would first of all choose the ObservableCollection instead of the List.That is because that list inherits the ICollectionChanged interface so that changes in the collection will appear in the UI when binding to the collection form the ItemSource property on the datagrid. Second, ...

MongoDB

WPF

DataGrid

Binding of List of Dictionary to WPF DataGrid at runtime

26 Dec 2012 by Oleksandr Kulchytskyi

Well obviously You might need to replace List> to more WPF convenient collection ObservableCollection> Items , where KeyValueHolder is siple entity , see:public class KeyValueHolder{ public string Key {get;set;} public string Value...

MongoDB

WPF

DataGrid

Staring Mongodb with Asp.net

6 Feb 2013 by MemberCva

Hi all, I am new to mongodb, I have installed db and started working on simple curd operations. My application with database as Sql with lacks of records, I have to use mongodb for better performance of my application, so how can i work with and how do i start with MongoDB in my...

MongoDB

ASP.NET

Binding of List of Dictionary to WPF DataGrid at runtime

19 Feb 2013 by DevD9

Thanks. This is how i resolve it.table = new DataTable(); dgSearchResult.Columns.Clear(); string broker = string.Empty; string producttype = string.Empty; string currency = string.Empty; string productsubtype =...

MongoDB

WPF

DataGrid

form login in j2EE with mongodb database

1 Mar 2013 by aminov

i'm charged to developp web application with J2EE using mongodb database firstly i'm trying with a simple exemple : form login but it doesn't work.i need a simple exemple using mongodb database

J2EE

JavaSE

MongoDB

form login in j2EE with mongodb database

1 Mar 2013 by Abhishek Pant

Integrate MongoDB into java web applications[^]

J2EE

JavaSE

MongoDB

form login in j2EE with mongodb database

1 Mar 2013 by Richard MacCutchan

Then you should do some proper research: like this[^].

J2EE

JavaSE

MongoDB

I need answers for these questions on mongodb urgently...

18 Mar 2013 by Manfred Rudolf Bihy

No!Yes: Getting Started with MongoDB Development[^]Since you didn't specify which language you are going to use to write your aplication, here is a list of all language bindings for MongoDB: MongoDB Drivers and Client Libraries[^]In case you want to use the C# language binding you...

which Web technology and Database to use when making a high trafiic Web Application?

2 Apr 2013 by Lalit Jethani

Hi,I am planning to make a high traffic website for a particular Geography, something like facebook,cricinfo which is expected around 20 lac hits daily(approx).It would also include rich user interface, Recommendation engine, profiles, games, chat feature etcIs there any favorite choice...

MongoDB Database Development guide

23 Jul 2013 by ridoy

Better if you start from this one..MongoDB and C#[^]And then..http://kashfarooq.wordpress.com/2012/02/18/getting-started-with-mongodb-in-c/[^]http://www.drdobbs.com/database/mongodb-with-c/240151668[^]http://www.drdobbs.com/database/mongodb-with-c-deep-dive/240152181[^]

SQL

.NET

MongoDB

Not able to save data in Mongodb

8 Aug 2013 by Benedict955

I have 2 mongodb database environments in my application and am able to switch from one to the other when testing. In one of the databases am not able to insert data, when I call db.Save(...) mongodb generates an object Id, but when I go back to retrieve using the object Id the data is not...

MongoDB

Insert Update Delete Operation using MongoDB, ASP.NET, C#

13 Aug 2013 by Musakkhir

I need one example of Insert,Update,Delete operation using MongoDB, ASP.NET and C#.

MongoDB

Insert Update Delete Operation using MongoDB, ASP.NET, C#

13 Aug 2013 by Code-Hunt

mongo-database-with-query-in-C...

MongoDB

How to automatically backup MongoDB ?

1 Sep 2013 by teamberks

How to automatically backup MongoDB ? for example dailyps : daily , monthly

MongoDB

How to automatically backup MongoDB ?

1 Sep 2013 by Mehdi Gholam

MongoDB has tools for this : http://docs.mongodb.org/manual/tutorial/backup-databases-with-binary-database-dumps/[^]You can also schedule this on windows with : http://www.iopus.com/guides/winscheduler.htm[^]

MongoDB