I've been testing some code to see how does NodeJS event loop actually works. So I get in touch with this piece of code: console.time('Time spending'); let list = []; for (let index = 0; index < 1000000; index++) {…
Is it good practice for node.js service containers running under AWS ECS to mount a shared node_modules volume persisted on EFS? If so, what's the best way to pre-populate the EFS before the app launches? My front-end services run a…
here is my react code for storing in state i am trying to create a payroll field in which when i click on annual and submit the value into input then automatically another input field like basic and hra should…
EDIT: PROBLEM SOLVED. I'm trying to make an update profile page for an Express app with Mongoose, and I got the error "TypeError: Cannot read properties of undefined (reading 'hasOwnProperty')". I am confused how to fix it. Here is my…
I want to know if one of the promises fail how can i rollback or cancel already happened operations. and 2nd is there any other way to optimize code, it takes more time to resolve. As the number of joined…
I have the following in an aggregation: [ { _id: 610b678502500b0646923801, feeling: 'dislike' }, { _id: 610b678502500b0646923629, feeling: 'like' }, { _id: 610b67a602500b064693a667, feeling: 'love' }, { _id: 610b678d02500b06469290fd, feeling: 'like' }, { _id: 610b678502500b06469238f3, feeling: 'love' }, { _id:…
I'm trying to make a simple login system with mongodb. Connecting works fine, but when i try to get the password: async function getAdminPassword(username) { const query = { username: username } // console.log(admins) const user = await admins.findOne(query); try…
In searching through MongoDB data I've been able to query a collection based on whatever fields the user provides by adding any non-null field to a query object, which so far has covered all of my bases. But I've run…
I have a project that requires npm and gradle for build, and docker for building and pushing the image. At first I thought that I should create my own ubuntu image with gradle and npm setup, but I found out…
What I'm trying to do here is call the username from the database from the cookie, I tried to just call it though a regular function, but that doesn't work since I have to wait on the data. then after…