Next.js

Next.js proxy.ts Explained: Complete Beginner-Friendly Guide with Examples

Next.js 16 introduced an important change to request handling. The old middleware.ts file convention has been renamed to proxy.ts. If you previously used Middleware in Next.js, the basic idea will feel familiar. You can use proxy.ts in Next.js to run server-side code before a request reaches a page, Route Handler, or other part of your

Next.js proxy.ts Explained: Complete Beginner-Friendly Guide with Examples Read More »

React useTransition Hook with Example: Beginner-Friendly Guide to Improve UI Performance

Introduction React applications should feel fast and smooth. But sometimes, when a component has heavy rendering work, the UI may feel slow. For example, when a user types in a search box and React also filters a large list at the same time, typing can become laggy. This is where React useTransition becomes useful. The

React useTransition Hook with Example: Beginner-Friendly Guide to Improve UI Performance Read More »

How to Access User Sessions in Next.js App Router Middleware (Beginner’s Guide)

How to Access User Sessions in Next.js App Router Middleware If you are building a modern web application, authentication is usually your top priority. With the introduction of the Next.js App Router, the way we handle routing, data fetching, and security has changed significantly. One of the most powerful tools in this new ecosystem is

How to Access User Sessions in Next.js App Router Middleware (Beginner’s Guide) Read More »

useCallback in React: Complete Beginner-Friendly Guide with Practical Examples

useCallback in React is an important React Hook that helps you optimize performance by memoizing functions and preventing unnecessary function recreation during component re-renders. Introduction React is one of the most popular JavaScript libraries for building modern user interfaces. When you build React applications, components often re-render whenever state or props change. This is normal

useCallback in React: Complete Beginner-Friendly Guide with Practical Examples Read More »

Cannot GET / Route Express Fix – Complete Beginner Guide for Node.js Developers

Cannot GET / Route Express Fix If you are learning Node.js and Express.js, one of the most common errors you will see is: This error confuses many beginners because the server is running correctly, but the browser still shows an error page. In this complete guide, you will learn: This guide is beginner friendly and

Cannot GET / Route Express Fix – Complete Beginner Guide for Node.js Developers Read More »

Next.js Cookies Not Working: Complete Beginner-Friendly Guide to Fix Cookie Issues in Next.js

Next.js Cookies Not Working If you are building authentication, sessions, JWT login, or user tracking in Next.js, you will eventually face one common issue: Next.js cookies not working This problem is extremely common, especially when using: Sometimes cookies work in the browser but not in Postman. Sometimes they work locally but fail in production. Sometimes

Next.js Cookies Not Working: Complete Beginner-Friendly Guide to Fix Cookie Issues in Next.js Read More »

Next.js JWT Authentication with GraphQL and App Router

Next.js JWT Authentication is one of the most important concepts in modern web development.. If you are building a modern application using Next.js App Router, then understanding how to use JWT authentication with GraphQL is extremely valuable. In this tutorial, you will learn: This guide uses simple English and beginner-friendly examples. The implementation shown in

Next.js JWT Authentication with GraphQL and App Router Read More »