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I Analyzed 500 AI Coding Mistakes and Built an ESLint Plugin to Catch Them

Here's a pattern you've probably seen: const results = items.map(async (item) => { return await fetchItem(item); }); Looks fine, right? Your AI assistant wrote it. Tests pass. Code review a

dev.to Apr 04, 2026 Read more →

Seedance 2.0 Deep Dive: ByteDance AI Video That Tops Sora and Veo

Originally published at heyuan110.com In February 2026, ByteDance released Seedance 2.0. Within weeks, it hit #1 on the Artificial Analysis text-to-video leaderboard — beating Google Veo 3, OpenAI So

dev.to Apr 04, 2026 Read more →

Cursor Composer 2: The Kimi K2.5 Controversy and What It Means

Originally published at heyuan110.com On March 19, Cursor shipped Composer 2 with a triumphant blog post. Three days later, a developer found kimi-k2p5-rl-0317-s515-fast in the API config. That singl

dev.to Apr 04, 2026 Read more →

MCP vs Skills vs Hooks in Claude Code: Which Extension Do You Need?

Originally published at heyuan110.com Claude Code has three distinct extension mechanisms: MCP (Model Context Protocol), Skills, and Hooks. They look related on the surface, but they operate at funda

dev.to Apr 04, 2026 Read more →

OpenClaw Multi-Agent Configuration: Architecture and Production Patterns

Originally published at heyuan110.com Your single OpenClaw agent worked great for two weeks. Then it started hallucinating project context into unrelated conversations, confusing coding tasks with wr

dev.to Apr 04, 2026 Read more →

AI-Generated Interview Ethics: Why Disclosure Is Not Enough

The strangest thing about Esquire Singapore’s Mackenyu piece is not the sentence, “The following interview was produced with Claude, Copilot, and edited by humans.” It’s the calm, workmanlike tone of

dev.to Apr 04, 2026 Read more →

How to Write CLAUDE.md Files That Actually Work (Harness Engineering #2)

Originally published at heyuan110.com This is Part 2 of the Harness Engineering series. Most CLAUDE.md files are bad — not because people don't try, but because they optimize for the wrong thing. ET

dev.to Apr 04, 2026 Read more →

Master Your Wellness: Building a Health Knowledge Graph with LLMs and Neo4j 🧬

We are living in the golden age of personal telemetry. Our watches track our heart rates, our phones log our steps, and apps record every calorie. However, most of this data sits in "silos"—disconnect

dev.to Apr 04, 2026 Read more →

A Case Study in Solving the Riddle of FrancisTRDEV

Recently, a riddle was posted by @francistrdev on 1st April on dev.to that presented a unique challenge: a multi-line poem obscured by Caesar shifts. Riddle me this DEV and MLH Community [April

dev.to Apr 04, 2026 Read more →

What Is a Container? The OS-Level Truth Most Engineers Don't Know

"You Keep Using That Word" Dispelling Container Misconceptions at the OS Level Before we write a single line of code, we need to kill the buzzword fog. What a Container

dev.to Apr 04, 2026 Read more →

How to Understand Unwritten Rules at Work 💼

You read the onboarding wiki. You join your first few meetings. You nod along, follow the process — and still feel like you’re missing something. Everyone else seems to know how things really work, bu

dev.to Apr 04, 2026 Read more →

Zero-Trust Capability Delegation for MCP Agents: How I Built AgentBond

AgentBond makes agent delegation trust by contract, not trust by accident. The Problem Nobody Is Talking About Every on-call engineer who has handed off an investigation to an AI agen

dev.to Apr 04, 2026 Read more →

From Vibe-Coding to Reality: Building MarvinSync

If you saw my posts back in February on LinkedIn and Mastodon, you know I’ve been deep in a Cursor session. I promised to pull back the curtain on how MarvinSync—my new macOS utility for syncing local

dev.to Apr 03, 2026 Read more →

Should I stress over a staging environment?

dev.to Apr 03, 2026 Read more →

Building a multi-source autonomous research agent with LangGraph, ThreadPoolExecutor and Ollama

I wanted a tool that could research any topic deeply — not just one web search, but Wikipedia, arXiv, Semantic Scholar, GitHub, Hacker News, Stack Overflow, Reddit, YouTube and local documents, all at

dev.to Apr 03, 2026 Read more →

How I Stopped UI State Drift with a DOM Boundary Approach

One of the most frustrating UI failures is not a dramatic JavaScript bug. It is when CSS stops feeling explainable. You change one screen and another screen shifts. The same HTML looks different depen

dev.to Apr 03, 2026 Read more →

I had a bunch of Skills sitting in a folder. None of them were callable as APIs

So I built a runtime to fix that. The problem If you use Claude Code, Copilot, or Codex, you've probably created Agent Skills, those SKILL.md files that tell the AI what to do. I had a bu

dev.to Apr 03, 2026 Read more →

Why Markdoc for LLM Streaming UI

Every AI chatbot I've built hits the same wall. The LLM writes beautiful markdown — headings, bold, lists, code blocks. Then someone asks for a chart. Or a form. Or a data table with sortable columns

dev.to Apr 03, 2026 Read more →

How I Passed the DP-300 Exam by Improving My Preparation Approach

Back in the days when I was a database admin specializing in Azure, I had slight feelings of confidence; I had worked with SQL Server and Azure, and would easily perform tasks on databases in producti

dev.to Apr 03, 2026 Read more →

I AM MAKING A MOVIE APP.

After a few years of tutorial hell and "Maybe I can't do that" moments I finally started building a web app that I was determined to finish - 'Cut' The idea The idea is pretty simple. You

dev.to Apr 03, 2026 Read more →
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