@Swarnnika

RAG (Retrieval-Augmented Generation): The Most Simple Explanation You’ll Ever Need

Dec 7, 2025 · 2 min read · Everyone is talking about RAG-based chatbots — but most explanations sound too technical.Here’s the real, simple story The user asks a question — in natural language Something like:How do I reset my device?” Humans understand language.Computers don’...

Latency, Throughput, and Bandwidth — The Three Performance Pillars Every Engineer Must Master

Nov 21, 2025 · 5 min read · Whether you're building scalable APIs, optimizing distributed systems, designing cloud architectures, or improving web performance, you’re dealing with three fundamental metrics—even if you don’t always call them by name: Latency Throughput Bandwi...

The 6 API Architecture Styles Every Developer Should Master

Nov 13, 2025 · 3 min read · APIs are the backbone of modern software.They decide how systems talk, how fast they communicate, and how flexible your entire architecture becomes. But not all APIs are designed the same way. Each style evolved to solve a very specific challenge — s...

Stop Hashing Passwords the Old Way — Here’s How to Do It Right

Oct 28, 2025 · 3 min read · Password security often feels like one of those “I’ll handle it later” tasks.But if you’re still hashing passwords the old-school way (MD5, SHA-1, or plain SHA-256), you’re walking on a security landmine. Modern GPUs can compute billions of hashes pe...

🤯 Why Reactive Databases Blew My Mind as a Software Engineer (And Why You Should Care Too)

Jul 12, 2025 · 3 min read · The Problem: Real-Time Data Sync is Painful Building real-time applications today involves: Polling (wastes resources, high latency) WebSockets (complex to manage at scale) Kafka/Redis Pub-Sub (requires manual event emission) Database Triggers + ...