Here’s a guide on how to use the useMemo() React Hook: The useMemo() Hook is a built-in React Hook that allows you to memorize the result of a computation. It’s useful when you have a costly function or calculation that you only want to run when certain dependencies change. To us...
MongoDB provides monitoring and tools to observe and address the performance overall health of your database instances. Read on to understand the metrics and tools you can use to monitor your clusters. In what follows, we’ll guide you through: Why it’s important to monitor MongoDB ...
To use macros in your React project, you need to set up a few tools. The most common approach is to use Babel with thebabel-plugin-macrospackage. Here’s how to do it: Step 1: Install Babel Macros First, ensure you have Babel installed in your project. If you haven’t set it up...
A change stream can be filtered to detect only those events that fall outside of this range and trigger an alarm when it happens. Real-Time Trading Applications - Change streams can be used to track changes to financial data and react to them in real time. If you’re using MongoDB 3.6...
Advanced Use Cases of useReducer() The `useReducer()` hook in React is a versatile tool for managing states in complex applications. While it’s commonly used for simpler state management, its capabilities extend to advanced use cases, making it a valuable asset for experienced developers. Let...
Use Date Aggregation Functions for Date Comparison in MongoDB Date aggregation functions in MongoDB allow for advanced date manipulation within queries. These functions enable you to extract specific components of dates (like year, month, etc.) and perform calculations involving dates. ...
Dec 20, 2019 Introduction to the ER Data Model Dec 19, 2019 Data models Dec 18, 2019 Information systems, data and information Dec 17, 2019 How MongoDB is different from a SQL database Nov 23, 2018 The MongoDB basics tutorial Nov 22, 2018...
mongo use db test //use test database db.sample.insertOne({name: "Bhuman", title: "Fullstack Developer"}) db.sample.findOne({name: "Bhuman"}) db.sample.find() Let’s examine each of the above commands mongoto be in the mongo command line shell ...
Install MongoDBCopy heading link Now that you have your Django project ready, you need to provision the MongoDB database. You can use one of three options, depending on what suits your project best: Connect to a cloud database Run MongoDB in a Docker container ...
Like most databases, connecting to MongoDB will require a server DNS name or IP address, a database name and (optionally) a port to use. Normally, in development, this will be “localhost,” the database name and “27017” (the MongoDB default), but the settings for a MongoDB instance...