Converting a list of {“$oid”: “string”} objects to a list of ObjectId in MongoDB
After a backend error that is now fixed, I have a corrupted database where the category_ids field is a list of objects with the key “$oid” instead of actual ObjectId objects.
Converting a list of {“$oid”: “string”} objects to a list of ObjectId in MongoDB
After a backend error that is now fixed, I have a corrupted database where the category_ids field is a list of objects with the key “$oid” instead of actual ObjectId objects.
I am facing a problem of MongoDB Shell Connection Failure when I command `mongosh` in linux zorin
I am using linux zorin os. Recently I installed mongoDB in my system using these commands :
MongoDB Service Fails to Start on Windows with Error 1067 and ECONNREFUSED on localhost:27017
I’m facing an issue where I cannot start my MongoDB server on Windows 10. Here’s what happens:
NonEmptyDestinationCluster error when using mongosync for data migration between MongoDB clusters
Dropping the entire database on the destination cluster. However, the error persists even after the database is completely removed.
NonEmptyDestinationCluster error when using mongosync for data migration between MongoDB clusters
Dropping the entire database on the destination cluster. However, the error persists even after the database is completely removed.
What is the recommended MongoDB schema for this quiz-engine scenario?
I’m working on a quiz engine for learning a foreign language. The engine shows users four images simultaneously and then plays an audio file. The user has to match the audio to the correct image. Below is my MongoDB document structure. Each document consists of an image file reference and an array of references to audio files that match that image. To generate a quiz instance I select four documents at random, show the images and then play one audio file from the four documents at random.
Get value in a key-value pair of an object inside nested array in MongoDB
Consider the sample data shown below. V1, V2 and V3 are unique identifiers for objects in the array values, these identifiers are only used once (i.e. there will never be two objects in the array values with the same id even when they belong to different arrays in the collection.)
DDD – Aggregate Roots – Dealing with Efficiency and Concurrency
First off, I’ll admit that I’m a newbie to DDD and need to read the “blue book”.
Node.js API Architecture
I am currently working on a web app and want to design the interface between nodejs / mongoose and the backbone app.