Technical Articles
Discover, learn, and share technical knowledge
Introduction to System Design Course
Kick off your system design journey. What this course covers, who it's for, the 9-module roadmap, and how to use it to crush your interview.

PageIndex: The Vectorless RAG Beating Vector DBs
PageIndex skips embeddings and chunking entirely. Here's how it works, why it hit 98.7% on FinanceBench, and how to try it in 10 lines of Python.

Snyk + Claude Code: Real-Time Security Scanning for AI Code
Set up Snyk inside Claude Code in 60 seconds. Catch SQL injection, XSS and secrets in AI-generated code before they hit your repo.
Part 3: Database Schema, SQL vs NoSQL & Sharding
Design a URL shortener database for 365 billion records. SQL vs NoSQL, schema choices, sharding strategies, and the hot-key problem solved.
Part 2: High-Level Architecture & REST API Design
Build a production-grade URL shortener architecture. REST API design, write path vs read path, and the HTTP 301-vs-302 debate explained.
Part 1: Requirements & Capacity Estimation
Master the first 10 minutes of a URL shortener system design interview — requirements, scale math, and the questions FAANG candidates miss.

Graphify: Folder to Knowledge Graph in 5 Minutes
Graphify turns any folder of code, docs, and PDFs into a queryable knowledge graph. One command, 71.5x fewer tokens. Here's how it works.

Agentic AI in 2026: What Works in Production vs. the Hype
Only 11-14% of agentic AI pilots reach production in 2026. Here's what actually works, what fails, and how to build agents that ship.

Best Autonomous AI Agents Training Program in 2026?
Before diving into courses, let’s understand why this topic matters. Autonomous AI agents are systems that can perform tasks without constant human in

Google Veo 3.1 Is Free: Make AI Videos in Vids
Google Veo 3.1 is free inside Google Vids. Learn how to generate 8-second AI videos at vids.new with a step-by-step tutorial and prompt tips.

Midjourney V8.1 Alpha: Step-by-Step Guide
How to use Midjourney V8.1 Alpha — HD by default, 3x faster, stable srefs. A step-by-step tutorial with settings, prompts, and pricing.