We got new HTTP method after 20 years
RFC 10008 introduces the HTTP QUERY method — a safe, idempotent, cacheable request that carries a body. Here's what it fixes, how it works, and how to use it.
July 8, 2026
Technology
Technology
BFS vs DFS — How to Implement Both in Java and When to Use Which
Understand Breadth-First Search and Depth-First Search from the ground up, implement both in Java, and learn how to choose the right one for your problem.
Jun 10, 2026
Technology
How Dijkstra's Algorithm Works — With a Complete Java Implementation
Understand Dijkstra's shortest path algorithm from first principles, see it step by step on a real graph, and learn to implement it in Java using a PriorityQueue.
Jun 10, 2026
Technology
How to Generate Presigned URLs for Uploading Files to S3 and R2 with Spring Boot
Learn what presigned URLs are, how they secure file uploads, and how to expose them as an API using Spring Boot — with practical code for both AWS S3 and Cloudflare R2.
Jun 10, 2026
Development
Kafka vs RabbitMQ: When to Use Which Message Queue
Understand the core differences between Apache Kafka and RabbitMQ, their architectures, use cases, and how to pick the right message broker for your system.
Jun 7, 2026
Development
Load One Async Component in TanStack Start Without Blocking the Entire Page
Learn how to integrate Google Gemini API into your Spring Boot applications using Spring AI. Step-by-step guide with code examples, configuration, and best practices for building AI-powered Java applications.
May 09, 2026
Spring Boot
How to Integrate ChatGPT (OpenAI) in Spring Boot: A Step-by-Step Guide
Learn how to integrate OpenAI's ChatGPT API into your Spring Boot application. We'll cover API setup, RestClient configuration, and building a simple AI-powered chat service.
Apr 18, 2026
Spring Boot
Thymeleaf in Spring Boot: A Comprehensive Guide for Java Developers
Learn how to use Thymeleaf template engine in Spring Boot applications. From setup and core concepts to advanced features like fragments, layouts, and data binding.
Apr 18, 2026
System Design
Splitwise Low Level Design: Complete LLD Guide with Java Implementation
Master Splitwise LLD design for system design interviews. Learn entity modeling, design patterns, balance simplification algorithm, and complete Java implementation for expense sharing apps.
Apr 06, 2026
Development
How to Use Gemini API with Spring Boot AI: Complete Integration Guide
Learn how to integrate Google Gemini API into your Spring Boot applications using Spring AI. Step-by-step guide with code examples, configuration, and best practices for building AI-powered Java applications.
Mar 25, 2026
Development
Android Development with React Native: A Guide for React & TypeScript Developers
Leverage your React and TypeScript skills to build native Android apps. Learn the key differences, essential components, and best practices for mobile development.
Mar 22, 2026
Development
How to Handle API Calls in React: A Complete Guide with JSX and Hooks
Learn how to make and manage API calls in React using JSX and hooks. Master useState, useEffect, error handling, loading states, and best practices for building robust React applications.
Mar 19, 2026
Technology
What is DNS and How Custom DNS Like 1.1.1.1 Works
Understand the internet's phonebook system, why custom DNS matters, and how services like Cloudflare's 1.1.1.1 can improve your browsing speed, privacy, and security.
Mar 18, 2026
Development
Mastering React Hooks: A Comprehensive Guide to useState, useEffect, useMemo, and useCallback
Unlock the full potential of React development with this deep dive into essential hooks. Learn how to manage state, handle side effects, and optimize performance like a pro.
Mar 18, 2026
Development
React Hooks Complete Guide: useState, useEffect, useCallback, useRef, useMemo
Master React Hooks with this comprehensive guide. Learn useState, useEffect, useCallback, useRef, and useMemo with practical examples and best practices for building modern React applications.
Mar 17, 2026