As I am very new to R Programming, I need your help to find the answer I have the below data frame as input data, now I want to return the rows which are having the same EntryName but the…
I am trying to use MondodDB bulkWrite for the first time. I want to update multiple documents and remove ids that match the filter that I provided. I read that I could use MongoDB bulkWrite for this action. For this…
I have set of documents in my mongoDB collection. I am looking to get datewise aggregate count of document if date range is more than a day and hourly aggregate count for same column if date query is for single…
I have been struggling in comparing two different array lists. I need quick solution. It's really haywire to me. What my scenario is, I wanna remove selected values, if record is not exist in another document or if exist than…
Let's start with the client side, here's the code //sender function const getUserMessages = async () => { try { //new localhost with 'messages' const response = await axios.get('http://localhost:8000/messages', { params: {userId: userId, correspondingUserId: clickedUserId} }) setUserMessages(response.data) } catch (error){…
I am trying to connect my Heroku App, written in node.js, to a cluster hosted at Atlas MongoDB Cloud. When running my api locally in my machine I can access the database with no problem using my current IP Address.…
I have a MERN stack application and I am learning while building a little bit of a complex blog application. So far, everything has gone well. Here is what I want to do. An admin has the permission to delete…
i have documents like this : { "_id": { "$oid": "630656bfc64b4c94c5c5a614" }, "collectionId": { "$oid": "630654a37a2a8ea9e11b6803" }, "__v": 0, "createdAt": { "$date": { "$numberLong": "1661359804637" } }, "stats": [ { "floor": 0.005, "volume": 3.288569999999999, "listedCount": 57, "timestamp": { "$date": {…
//mongoose Schema for how the data structure from front end should be import mongoose from 'mongoose'; const postSchema = mongoose.Schema({ title: String, message: String, creator: String, tags: [String], selectedFile: String, likeCount: { type: Number, default: 0 }, createdAt: { type:…
just wanted to understand a scenario where if primary shard cluster down. so i have a setup of Mongo database where i have 4 shards running in replicaset. shard-1 == Server 1 (Primary), shard-1 Server 2 (Secondary), shard-1 - Server…