How to Build an AI Agent Harness from Scratch in TypeScriptMany AI agent tutorials start with a language model, give it a few tools, and run a loop until it produces an answer. That's enough to demonstrate tool calling, but it leaves the interesting engineeriOct 20 · 33 min readfreecodecamp.org
How to Fix the Dual-Write Problem in Node.js with the Outbox PatternImagine you're building an e-commerce platform where placing an order needs to trigger several things at once: the warehouse has to be told to prepare the shipment, the email service has to send a conAug 5 · 18 min readfreecodecamp.org
How to Go from Toy API Calls to Production-Ready Networking in JavaScriptImagine this scenario: you ship a feature in the morning. By afternoon, users are rage-clicking a button and your UI starts showing nonsense: out-of-order results, missing updates, and random failuresApr 6 · 17 min readfreecodecamp.org
How to Find the Top-K Items: Heap and Streaming Approaches in GoMy latest freeCodeCamp article walks through practical ways to solve Top-K problems efficiently in Go, including heap-based and streaming-friendly approaches, with a focus on performance and real-worlMar 11 · 1 min readpocketgopher.hashnode.dev
How to Find the Top-K Items: Heap and Streaming Approaches in GoFinding the top K items in a dataset pops up everywhere: from highlighting the hottest posts in a social feed, to detecting the largest transactions in a financial system, or spotting the heaviest useMar 10 · 13 min readfreecodecamp.org