PostgreSQL Cheat Sheet: 100+ Commands with Real Examples
The practical guide to psql commands, queries, and database management you will actually use
Search across 180 posts, 22 explainers, and 70 topics
How Replicated Log Works in Distributed Systems
The pattern behind Raft, Kafka, and etcd that keeps your cluster nodes consistent
How Consistent Hashing Works
The technique behind DynamoDB, Cassandra, and every distributed cache that scales
Feature Flags and Feature Toggles: Complete Guide for Developers
Learn how to deploy code without releasing features using feature flags and toggles
How Gossip Protocol Works in Distributed Systems
The protocol behind Cassandra, Consul, and DynamoDB cluster communication
How Databases Actually Store Data Internally
Pages, B-trees, buffer pools, and what every developer should know
How to Run Your Own AI Agent with Cloudflare Moltworker
OpenClaw setup, gateway architecture, and serverless deployment for developers
How Netflix Video Processing Pipeline Works
Inside the architecture that encodes 17,000+ titles for 280 million viewers
Kubernetes Cheat Sheet: Essential kubectl Commands for Developers
The practical reference guide to managing containers, pods, and clusters
How OpenAI Scales PostgreSQL to 800 Million Users
Practical database scaling lessons from the team behind ChatGPT
System Design Cheat Sheet: Concepts Every Developer Should Know
The practical reference guide for building scalable, reliable systems
How OAuth 2.0 Works: Authorization Flows, Tokens, and PKCE
How modern apps access your data without seeing your password
How Google Docs Works Behind the Scenes
How Google Docs syncs edits from millions of users typing at the same time without losing a single character
Skip List Data Structure: A Faster Alternative to Trees
How Redis, LevelDB, and modern databases achieve O(log n) search without complex tree balancing
Getting the Most Out of AI Coding Assistants
Practical lessons from developers who actually use GitHub Copilot, Cursor, and other AI tools daily
How Meta Handles Millions of Serverless Function Calls Per Second
Inside XFaaS: The platform processing trillions of function calls daily across 100,000+ servers
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