Aneesha S

Aneesha S

MongoDB $in Operator: A Detailed Guide

MongoDB $in Operator

Suppose you have a collection of students containing lots of documents having indexes like Name, Age, Class, etc. One of the indexes or attributes in the documents is Optional Subject. For context, an optional subject is a subject people choose…

Print Document Values in the Mongo Shell

Print Document Values In The Mongo Shell

MongoDB is one of the most famous NoSQL databases among developers for storing huge amounts of data in the form of documents. We can easily do CRUD (Create, Read, Update, Delete) operations using different methods in a MongoDB database. In…

How to Send Ethereum to Message Sender in Solidity?

Send Ethereum To Msg Sender Featured Image

Solidity is an object-oriented high-level programming language that is personalized exclusively for building smart contracts. It draws inspiration from other programming languages like JavaScript, Python, and C++, making it easy to learn. We can easily send Ethereum to a message…