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· 5 min read
Sivabharathy

NestJS is a progressive framework for building scalable server-side applications. To enhance security, optimize performance, and streamline functionality, various middleware and libraries are integrated into NestJS projects. This guide explores essential tools and features such as CORS, Swagger, Mongoose, Rate Limiting, CSP, Helmet, Custom Logging, PM2 Logging, and Environment Variables Handling with .env, complete with examples.

· 7 min read
Sivabharathy

When deciding between Prisma and Mongoose for a MongoDB-based application, there are several factors to consider. Both are powerful tools, but they are designed with different paradigms and use cases in mind. Below is a breakdown to help you understand when you might prefer one over the other.

· 8 min read
Sivabharathy

Learn about TypeScript generics, including their use in functions, classes, interfaces, and type constraints. This guide covers key concepts like type variance, conditional types, and how to create reusable, type-safe code for flexible applications. Explore advanced topics such as reflection, the infer keyword, and more.

· 6 min read
Sivabharathy

In modern software systems, event-driven architectures are commonly used to handle asynchronous processes in a decoupled and efficient manner. One key tool to implement such architectures in Node.js is the EventEmitter class, which enables objects to emit and listen for events. In this article, we'll explore how to build a flexible, reusable, and generic event policy in Node.js using ES6 syntax.

· 4 min read
Sivabharathy

Adhering to a consistent coding style is essential for maintaining readability, reducing bugs, and facilitating collaboration in software development. Below are key coding standards for JavaScript, complete with examples.

· 3 min read
Sivabharathy

Choosing the right package manager is crucial for efficient dependency management, especially for distributed projects handling high loads. While NPM and YARN are well-known options, I’ve found that PNPM consistently outperforms them in several key areas.

· 6 min read
Sivabharathy

In this article, we will create a simple user registration, login, and contact management system using PHP and MySQL, styled with Tailwind CSS. We will cover the entire process, from database setup to user interface design.

Prerequisites

  • Basic knowledge of PHP and SQL.
  • A web server with PHP and MySQL (e.g., XAMPP, MAMP).
  • Tailwind CSS for styling.

· 3 min read
Sivabharathy

Explore the comprehensive DSA Roadmap by sivabharathy.in, designed to guide you through essential data structures and algorithms. Master key concepts, practice problem-solving strategies, and access valuable resources to enhance your programming skills and prepare for technical interviews.

Introduction

This roadmap is designed to guide you through the essential concepts of Data Structures and Algorithms (DSA). Mastering these topics is crucial for success in technical interviews and for building efficient software solutions.

· 4 min read
Sivabharathy

Mongoose pre hooks are middleware functions that run before certain operations, such as saving or validating a document. They are useful for a variety of tasks, including data validation, transformation, and managing related data.

Why Use Pre Hooks?

Pre hooks allow you to:

  • Validate or sanitize data before it’s saved to the database.
  • Automatically perform actions like hashing passwords.
  • Clean up related data before deletion.
  • Modify queries before executing them.