Engineering Articles & Technical Guides

Design a URL Shortener like Bitly

Design Library Management System

Design Elevator System

Design Parking Lot

Design WhatsApp / Real-Time Chat System

Building an AI Agent for Logstash Pipeline Failure Detection with LLM and Jira Automation

Volatile Keyword in Java (Memory Visibility & Happens-Before)

Decision Trees in Machine Learning

Object-Level vs Class-Level Locking in Java

Building Intelligent Chatbots with LLM + RAG (From Prototype to Production)

K-Means Clustering in Machine Learning (Python Examples)

Data Cleaning & Preprocessing for ML (Missing Values, Outliers, Normalization)