I am trying to update a value in the UI. When I click to update, I have a button that will decrease by one In the database and be displayed in the UI's quantity section. when I click on the…
I am building the backend for creating blog posts for my web application while following a tutorial. The technologies I am using are MongoDB, express.js, formidable The relevant files are: server.js ...... // middlewares app.use(express.urlencoded({extended: false})); app.use(express.json()); app.use(morgan('dev')); app.use(cookieParser()); //…
I'm learning about sharding approaches. How to achieve good horizontal scalability with a large number of shards in an IO-heavy application. Below I describe a case that I expect to see in my app. I think that this would be…
Currently trying out Non-Relational Databases & MongoDB and I am adding a movie list to my db. However, every time I add my movie I get this error: uncaught exception: SyntaxError: missing } after property list : @(shell):6:309 I don’t…
I have following document on which the update needs to be done. { "_id": "Colorcode_1", "Combination": [ { "color": [ { "mixture": [ "Red", "Green" ] } ], "code": "Maroon" }, { "color": [ { "mixture": [ "Yellow", "Green" ]…
In a jointed aggregation (with lookup), I'm trying to sum values of a key in the following "resa" field, groupped in a projection (see code snippet #2). Context: Here I'm trying to sum the amount of "adultCount" values for every…
I am currently trying to connect my Node container to my Mongo container using an M1 chip. Many have said that you can't run Mongo 4.9+ on an M1 Mac as there is no support for AVR. I can't say…
I have a JSON file that includes data of daily covid cases of all the Canadian provinces(13), and I'm trying to transform the design to load it into MongoDB and get 13 collections of province documents with code and name…
I have created an app that connects to a mongodb cluster and stores user info. The user is then able to log in with Next-Auth functionality. The app was working just fine before deploying to Vercel. On the live site…
I have encountered an issue in the application that I'm working with where in a single transaction I am trying to update a document in one collection, and use the updated value in another document when creating it as I…