Articles tagged "System Design"
Hand-picked programming notes, guides, and tutorials for your placement preparation.
Firebase vs Supabase vs Convex (2025): Which Backend Should You Choose?
Compare Firebase, Supabase, and Convex across database architecture, real-time features, authentication, pricing, developer experience, scalability, and vendor lock-in to choose the right Backend-as-a-Service for your next project.
Prefix Sum vs Difference Array: Master Range Queries and Range Updates in DSA
Struggling with Time Limit Exceeded (TLE) errors in array problems? Learn how Prefix Sums and Difference Arrays transform expensive O(N×Q) solutions into efficient O(N+Q) algorithms. This guide covers the intuition, formulas, Python implementations, complexity analysis, and interview tips you need to master both techniques.
Razorpay Django Integration: Secure Payment Gateway with Signature Verification
Integrating Razorpay into Django isn't just about opening a checkout popup—it's about building a secure payment workflow. This step-by-step guide walks you through creating Razorpay orders, implementing the checkout page, verifying payment signatures on the backend, and preparing your application for production with webhooks, refunds, and idempotency.
AI Won't Replace Software Developers — Developers Who Use AI Will (The 2026 Reality)
AI isn't replacing software developers—it's transforming the role. Learn why architecture, system design, and AI collaboration are the skills that will define successful engineers in 2026.
System Design Patterns for Microservices Architecture: A Complete Guide
Explore essential microservices design patterns: API Gateway, Circuit Breaker, Saga, CQRS, Event Sourcing, and Strangler Fig for scalable systems.
System Design 101: Scaling from 0 to 1 Million Users
Learn the fundamental components needed to scale an application from a single host database server to a highly available multi-region system.