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
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