The AAR Code Blog

Complete Coding Roadmap for Students Who Are Not Good at Coding

A step-by-step roadmap designed specifically for students who struggle with coding. Build confidence, learn fundamentals, and find your path in tech.

Business Analyst / Systems Analyst Roadmap for Final Year CS Students

A comprehensive guide to transition from Computer Science to Business Analysis and Systems Analysis roles

How to Build a Hinge-Style Dating App Algorithm with ExpressJS and TypeScript

Learn how to create a sophisticated dating app matching algorithm similar to Hinge using ExpressJS, TypeScript, and smart compatibility scoring without machine learning.

Building a Production-Grade Postback System: Lessons from the Trenches

Deep dive into building a reliable postback delivery system for affiliate marketing. Learn retry strategies, idempotency patterns, queue architectures, and how these lessons apply to webhooks, payment integrations, and event-driven systems.

Best Laptops to Buy for Coding in Amazon Great Indian Sale 2025

Discover the top 14 coding laptops available in Amazon's Great Indian Sale 2025, ranging from budget-friendly options at ₹26K to premium machines at ₹58K.

Building Resilient Node.js Applications: Circuit Breakers, Retries & Bulkheads

Master advanced resilience patterns in Node.js with TypeScript - implement circuit breakers, intelligent retry mechanisms, and bulkhead isolation to build fault-tolerant production systems.

Complete MLOps Guide: From Development to Production

Comprehensive MLOps resource covering data management, model training, deployment, monitoring, and best practices for production ML systems.

Unit Testing TypeScript with Jest: A Beginner-Friendly Guide

Master the fundamentals of writing fast, reliable unit tests in a TypeScript codebase using Jest—from setup to mocks and CI integration.

REST API Design Best Practices: From URL Structure to Versioning

A practical, opinionated guide to designing clean, maintainable REST APIs your frontend and backend teams will love.

Dockerizing Your Node.js App: A Step-by-Step Developer Guide

Learn how to containerize, debug, and optimize a Node.js application with Docker—perfect for local development and production deployments.

Node.js Backend Development Resource Sheet

Comprehensive roadmap with YouTube playlists, practice websites, blogs, and project ideas for mastering Node.js backend development from basics to advanced.

Advanced Pattern Problems with Solutions for Interviews

Comprehensive collection of 30+ star, number, and special pattern problems with detailed C++ solutions—perfect for coding-interview preparation.

Resources For Getting Your First Internship as Frontend Developer (Beginner To Advance)

React Hooks Explained

A comprehensive guide to understanding and using React Hooks.

Introduction to Neo-Brutalism in Web Design

Explore the bold and unapologetic world of neo-brutalism in web design.