How to get only 10 documents at a time in mongodb?
const result = student.find(); In mongodb database i require to get 10 documents on every buttion click and next time on click i need to get net 10 documents in mongodb.
Mongodb – I want send user info except password from the express server along with jwt token
I'm creating a MERN stack ecommerce application where I want send all user info along with jwt token but except password I'm ok with token part & I know how to send user but i don't know how to exclude…
Mongodb – Case-insensitive with Mongoose
I am desperately looking for a way to give a String and make it case-insensitive, and get the result with MongoDB. I tried with a RegEx, but it doesn't work properly, because if the given String has some characters, they…
Mongodb – optimize mongo query to get max date in a very short time
I'm using the query bellow to get max date (field named extractionDate) in a collection called KPI, and since I'm only interested in the field extractionDate: @Override public Mono<DBObject> getLastExtractionDate(MatchOperation matchOperation,ProjectionOperation projectionOperation) { return Mono.from(mongoTemplate.aggregate( newAggregation( matchOperation, projectionOperation, group().max(EXTRACTION_DATE).as("result"), project().andExclude("_id")…
Mongodb – Axios request works only on second request
I am building a user login system and currently the way I have it set up, the user types in their email and password and then that information is sent to my server to be checked if accurate. If it…
Mongodb – How to check only top 1 in nested mongo array
at the moment my notification documents has an events property which is an array of event. Each event has a status and a date. When querying notifications, it needs to check if the top status is opened. Valid object where…
How to fix : Unable to cast object of type 'MongoDB.Bson.BsonArray' to type 'MongoDB.Bson.BsonBoolean' – Asp.net
I have an ASP.NET API to handle data going to a Mongo database. I need to also send some dynamic / irregular data for a number of documents, that'll have a couple of extra properties. I'm trying to use this…
ReferenceError: err is not defined when connecting mongodb with nodejs express
I was following an ecommerce website tutorial on Nodejs express (handlebars template). When try to connect to mongo dB (installed on system i.e., port 27017) it shows if(err) console.log ("connection Error"+ err) ^ ReferenceError: err is not defined var db=require('./config/connection');…
Mongodb – query mongo based on results of query
I have this mongoose query: let rE = await cR.find({myid: "xxxxxx"}); now this query will return multiple results, in which I then need to query another model based off of the rE.class_id, which is returned through rE, the query above.…
Mongodb – How to update a single Property of an Object in Database with Post and NOT PATCH? (Java, springboot)
I want to create a Post method to update a single property from my API main Object: @Builder @Document(collection = "tableItems") @NoArgsConstructor @AllArgsConstructor @Data public class TableItem { @Id private String id; private int roundNumber; private RoundState roundState; private int…