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Technology

An abstract tech illustration featuring the Node.js logo, a coffee mug for Mocha, and a teacup for Chai, symbolizing unit testing and TDD.

Testing Node.js Applications with Mocha and Chai

An Introduction to Test-Driven Development (TDD)

In modern software development, testing is essential to ensure reliability, maintainability, and confidence in your code. When…

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A man in the center with AWS logos on one side and server racks on the other, illustrating horizontal and vertical scaling.

Scaling Node.js Applications

Node.js is a powerful JavaScript runtime that enables developers to build high-performance, scalable applications. As your application grows, handling increased traffic efficiently…

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Illustration of a real-time chat application with speech bubbles and connected users.

Building a Real-time Chat Application with Node.js and Socket.io

Real-time communication has become a crucial aspect of modern web applications, enabling instant messaging, live notifications, and more. In this guide, we will build a real-time…

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A digital illustration representing error handling in a Node.js application, featuring a Node.js logo, error messages on a screen, a developer debugging code, and a structured log file.

Error Handling in Node.js: Best Practices

Error handling is a crucial part of building robust and maintainable applications in Node.js. Proper error management ensures a smooth user experience and helps developers debug…

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A digital illustration of user authentication and authorization in a Node.js application, featuring a secure login interface, a JWT symbol, and OAuth logos (Google, Facebook) connected to a Node.js server.

Authentication and Authorization in Node.js

Authentication and authorization are crucial for securing modern web applications. In a Node.js application, implementing authentication ensures that only legitimate users…

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Illustration of a woman working on a laptop with a speedometer graphic and the Node.js logo, representing Node.js performance optimization.

Node.js Performance Optimization

Node.js, with its event-driven architecture and asynchronous I/O, is a powerful tool for building scalable and high-performance applications. However, achieving optimal performance…

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Illustration representing REST API development using Node.js and Express.

Building a REST API with Node.js and Express

Building a REST API is one of the most common tasks for modern web development, and Node.js, combined with Express.js, provides a powerful and efficient platform for this purpose.…

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A visual representation comparing synchronous and asynchronous programming in Node.js, with icons illustrating data flow and execution differences.

Asynchronous Programming in Node.js

Asynchronous programming is a cornerstone of Node.js, enabling it to handle numerous operations simultaneously without blocking the execution of other code. This efficiency …

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An image featuring the npm logo with the text "Introduction to NPM" and a website link at the bottom.

Introduction to npm

In the vast world of software development, JavaScript stands as one of the most popular and widely used programming languages. Powering this ecosystem is npm (Node Package Manager),…

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A comparison of Node.js and JavaScript in the browser, showing a developer using both environments.

Node.js vs. JavaScript in the Browser

JavaScript is one of the most widely used programming languages in the world, powering both client-side and server-side applications. While it’s the same language at its core, the…

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