Preetam Raj

A simple guide to setting up a clean and productive Mac terminal using iTerm2 and Powerlevel10k, with a few useful customizations to make your everyday workflow better.

Deeply nested if/else blocks are hard to read and easy to break. Guard clauses flatten your logic with early returns so the happy path stays obvious.

A growing if/else chain that switches on a type is a design pattern in disguise. Here's how the Strategy pattern turns it into small, swappable pieces.

Inheritance looks tidy until the hierarchy fights you. Here's the concrete point where 'is-a' breaks and 'has-a' scales, shown with real code.

A pure function returns the same output for the same input and touches nothing else. That single property is what makes code predictable and trivial to test.

Sometimes deciding which object to create is a job in itself. The Factory pattern gives that decision one home so the rest of your code stays simple.

Next.JS can be used as fullstack application and it is obvious that a full-stack application must use database. In this blog we will see how we can set up postgresql with Prisma in Next.JS application.

Configure NextJS before starting the project for seamless building process.

A virtual environment is a self-contained directory or folder in which you can install and manage packages, libraries, and dependencies for a specific project or application.