DESIGN PATTERNS

Object-oriented design patterns in C and kernel development
246 points | 215 comments

SQL Design Patterns
89 points | 24 comments

Ask HN: How to Learn to Build Agentic AI Systems (Like Claude Code)
8 points | 4 comments

Builder Pattern in CDK
2 points | 1 comments

Show HN: Created a Node.js's addon that can handle 1M req/s
6 points | 0 comments

HeartWatch: A Proactive Child Safety System
4 points | 3 comments

iOS 26 Launches Sept 15 – Even GPT-5 Doesn't Know It Exists
2 points | 5 comments