You scan QR codes every day, but have you ever looked at one and wondered what the individual squares actually mean? QR codes look like random noise, but every element has a defined purpose. Understanding the structure helps you make smarter choices ...

How to instrument business decisions that auto-instrumentation cannot see. Events, span kinds, cross-process context propagation over RabbitMQ, and baggage” with a working .NET 10 demo. What you get: when to use custom spans, what to put on them, an...

Build an AI-Powered Developer Portal with Backstage and .NET Want to apply AI, not just read about it? Most tutorials stop at a "Hello World" chatbot. We are going to build something that actually solves a common engineering headache: stale documen...

After months of intense development, Web Agent Bridge WAB v3.6.0 + Agent Transaction Primitive ATP is here, and it’s one of the most ambitious open-source projects I’ve seen in the AI agent space this year. What Changed? WAB has evolved far beyond si...

Currently exploring some really fun coding challenges on VibeCode Arena Not your usual DSA problems. Think: Mini games Logic-based challenges ⚡ Creative UI/UX tasks Human vs AI competition Some of these look easy... until you actually start bu...

This article was drafted by the system it describes. The structure, arguments, and demo output below are real — generated by g4-nexus running locally on an RTX 4070 Ti. I edited for flow and added code excerpts. What I Built g4-nexushttps://githu...

> Originally published on angeo.devhttps://angeo.dev/magento-product-description-invisible-ai-chatgpt/ You installed robots.txt rules for GPTBot. You generated llms.txt. You added Product schema. The AEO audit is green. ChatGPT still recommends yo...

Built a tiny CLI agent on Mozaik with 3 small TypeScript classes: · TerminalAgent - the brain: talks to the model and runs tools in a loop. · UIUpdater - the ears: listens for replies & tool calls and pings the UI. · Terminal Tool - runs shell comma...

Just finished building a custom tool that turns Google Sheets into a programming workspace for CrossFit coaches. No more clicking through the Wodify admin UI one workout at a time. What it does: Bulk uploads an entire week of programmed workouts fr...

Mozaik started as a multi-provider library. With version 3.0.0, we are evolving it into a full TypeScript framework for building non-blocking AI agents. This release introduces an event-based architecture designed around inversion of control. Instea...

Hey CoderLegion, A few weeks ago, I shared my "Retry Tax" simulator on DEV, and the response was eye-opening. It turns out, a lot of us are struggling with the "hidden" costs of migrating agents to cheaper models like DeepSeek. I realized that "hid...

!Markdown Editorhttps://coderlegion.com/?qa=blob&qablobid=12847191464559850342 As someone who writes docs and takes notes frequently, I believe Markdown is one of the best ways to display documents, especially complex ones, and writing Markdown is a...

I’ve been building something called FreshContext. The core idea is simple: AI systems often treat fresh and stale retrieved information as equally useful. FreshContext is an attempt to fix that. Instead of only retrieving information, the system ...

I thought the hard part was shipping the MCP server. It was not. The hard part started after the server was public, listed, installable, and testable outside my own machine. FreshContext is my MCP project around freshness-aware retrieval. The basi...