How Meta Handles Millions of Serverless Function Calls Per Second
Inside XFaaS: The platform processing trillions of function calls daily across 100,000+ servers
Search across 201 posts, 22 explainers, and 78 topics
Breaking Down X's Open Source Algorithm
A deep dive into the open source recommendation system powering one of the world's largest social platforms
How Does an LLM Generate Text?
What actually happens inside GPT, Claude, and Llama when you hit enter
Complete Guide to Graph Data Structure: BFS, DFS, Adjacency List vs Matrix
Complete guide to graph data structure fundamentals. Learn adjacency list vs adjacency matrix, BFS and DFS in data structure, directed acyclic graphs, and 20+ core graph algorithms with implementations.
B-Tree Data Structure: How Databases Search Billions of Records
How databases and file systems store billions of records and find any one of them in milliseconds
How HyperLogLog Works
Count billions of unique items using only 12 KB of memory
How Count-Min Sketch Works
Track frequencies in streaming data without storing everything
How Bloom Filters Work
How databases, browsers, and caches check if something exists without storing everything
Local LLM Speed: Qwen2 & Llama 3.1 Real Benchmark Results
What tokens per second you can actually expect when running Qwen2, Llama 3.1, and other models locally
How Snowflake IDs Work
How Twitter, Discord, and Instagram generate billions of unique IDs without a central database
How to Run LLMs on Your Own Computer
How to run Llama, Mistral, and other open source models on your own hardware
How Database Indexing Works
Everything you need to know about indexes, from B-trees to query optimization
Universal Commerce Protocol (UCP) Explained
Google's new open standard for AI-driven shopping and how to integrate it
Git Config Guide: Every Setting You Need to Know
Configure Git the right way and never think about it again
Git Cheat Sheet: Commands Every Developer Should Know
The practical guide to Git commands you will actually use at work
How to Build AI Agents That Actually Work
A practical guide to agent architecture, tool calling, and the patterns that matter
Context Engineering Guide for AI Developers
What every developer needs to know about feeding AI the right information
23 Must-Know Gang of Four Design Patterns
23 battle tested solutions that every developer should know
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