AI Tutorials & Practice
收录 AI 工具教程、提示词、安装部署、配置指南、开发实战与可复现步骤。
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The undo has to exist before the write does
An agent that changes something runs in the order decide, act, report. Verification, where there is...
Source: DEV Community
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I built an AI agent for production incidents. The interesting part is when it refuses to act.
I wrote this for the All Things Agentic Hackathon. Every incident-response demo you have seen ends...
Source: DEV Community
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Why the AI character would not calm down, and how I fixed it
An early version of Say It Ahead had a basic problem. A user could listen carefully, ask good...
Source: DEV Community
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OpenAI Is Cutting Off Cursor: The AI Coding Lock-In Lesson Every Developer Needs
Last Friday, thousands of developers opened their AI code editor and found out that one of the models...
Source: DEV Community · OpenAI / Cursor
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An Open Task Is Not Yet a Contribution
Most contributor onboarding starts by collecting identity. Create an account. Join the community....
Source: DEV Community
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Flash Onyx 2.2 Is Out, and It Finally Finishes the Job
Flash Onyx 2.2 is live on Ollama. It's the model behind FLASH CLI, my local terminal agent, and it...
Source: DEV Community · Ollama
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Five bugs in my LLM app that never threw an error
I spent two and a half weeks building an agent that reads a project's code review history and...
Source: DEV Community
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The approval signature that could be spent twice
I built this project and wrote this article for the purposes of entering the Google Cloud "All Things...
Source: DEV Community
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Your subagent finished — you just could not hear it: how agent replies actually reach the parent
We spawned two review agents, waited, got nothing, declared them unresponsive, fell back to...
Source: DEV Community
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How I Caught an Agent Fabricating Its Own Results
Here is the short version, so you can decide if the long version is worth your time. If you run...
Source: DEV Community
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Four reviewers told me the one thing I couldn't fix by myself
What happens when you submit a solo open-source project to academic peer review: the reviews were...
Source: DEV Community
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Caveman Ultra Mode: Make Your Coding Agent Say Less, Not Think Less
How Caveman Ultra Mode compresses coding-agent replies, where it helps most, and how to preserve evidence and judgment when working tersely.
Source: DEV Community
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My Claude Code config costs 9,857 tokens before I type anything
I installed 107 skills, 38 agents and 15 commands into Claude Code over a few months. Standard stuff...
Source: DEV Community · Claude
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Jeffy Loop: The Coding Agent That Won’t Let Itself Lie
Most autonomous coding agents are optimistic. They audit, fix, declare victory, and sometimes the...
Source: DEV Community
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MySQL Connection Pooling Explained: Do 50 Concurrent Users Need 50 Database Connections?
When configuring a database connection in a backend application, you've probably seen code like...
Source: DEV Community
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Qwen3.8-27B vs Muse Glimmer 30B: Which Permissive Open-Weight Model Fits Your Local GPU?
Compare Qwen3.8-27B and Muse Glimmer 30B: Apache 2.0 licensing, 24 GB GPU memory requirements, video modalities, and local agent serving benchmarks.
Source: DEV Community · Qwen
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AI Creates, AI Delivers, AI Fails — Quality Assurance for Unwatched Systems
Focusing on an unmanned AI avatar delivery system, this article consolidates practical insights into QA design that shifts the focus from output to system behavior, and soak testing to catch long-term bugs (cumulative, incremental, looping…
Source: DEV Community
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I Built an Autonomous AI Agent That Hunts Bounties. Here's What Happened.
I Built an Autonomous AI Agent That Hunts Bounties. Here's What Happened. The...
Source: DEV Community
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Make Codex Prove It: A Three-File Design That Leaves Evidence on Disk
An AI agent telling you "done" is not evidence. When I started delegating work to Codex, I took those...
Source: DEV Community
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We are all tech leads now
Are you writing code all day? I don't. I actually haven't written production code by hand in a long...
Source: DEV Community
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Two Projects, One Problem — What PlannerCritic and AdversarialDebate Each Got Wrong
I built two systems this year that try to solve the same problem from opposite...
Source: DEV Community
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I built an AI gateway because I was tired of guessing what a request would cost
Every provider has a different pricing page. If you use one provider, that is fine. But the moment...
Source: DEV Community
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10 Things I Learned Building With AI as a Non-Developer
The hard part turned out not to be writing code. It was learning what to trust, what to test, and...
Source: DEV Community
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Building an Autonomous Security Alert Triage Agent with Gemini and Google ADK
I created this post for the purposes of entering the All Things about Agentic Hackathon...
Source: DEV Community · Gemini
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A guard that has never fired and a guard that stopped running look identical on disk
A guard that has never fired and a guard that stopped running look identical on disk. That sentence...
Source: DEV Community
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Code Is Becoming Free: What’s Next for Big Tech?
For decades, software was expensive because software was difficult to build. A serious business...
Source: DEV Community
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Building TrueSRE: Autonomous Multi-Agent Incident Remediation with TrueForge, FastMCP, and Daytona
💥 The 3:00 AM On-Call Nightmare If you’ve ever carried an on-call pager for a production Kubernetes...
Source: DEV Community
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I taught my hand gestures to run an AI coding agent
A few weekends ago I got annoyed at typing prompts into a terminal and decided the fix was,...
Source: DEV Community
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What 100% Test Coverage Missed: State Across Google ADK A2A Boundaries
A three-agent fleet passed every test in-process, then lost state silently the moment it was deployed across A2A workers. Here is the boundary, the fix, and what Google said.
Source: DEV Community
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The State of Conversational AI in 2026, measured
We spent the last few weeks trying to answer a simple question with numbers instead of vibes: what...
Source: DEV Community
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# 10 Git Commands That Made Me More Confident With Git
If you've used Git for a while, you probably know the basics: git add git commit git pull git...
Source: DEV Community
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The WebGPU Export Engine: Rendering High-Res Canvases to MP4, SVG, and PDF Like a Senior Architect
The permanent friction of modern web development is a silent war between interactive visualization...
Source: DEV Community
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AI Review Isn't the Gate. Your CI Pipeline Still Is.
Two weeks ago I watched a pull request get merged with an AI-authored review comment that said "LGTM,...
Source: DEV Community
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How AI Stores Millions of Vectors Without Using Tons of Memory
Hello, I'm Rijul, and I'm building LiveReview — a blast-radius aware AI code review built for your...
Source: DEV Community
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Giving AI Agents a Deterministic Clock (Zero LLM in the Loop)
When building autonomous AI systems, developers eventually hit a fundamental architectural wall. Your...
Source: DEV Community
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AI Is Probabilistic. Enterprise Software Isn’t.
What happens when probabilistic language models meet deterministic business systems There is...
Source: DEV Community
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How I Built Autonomous AI Agents Using Laravel and Python (Architecture & Real-World Lessons)
When most developers think about building AI agents, they immediately jump into pure Python...
Source: DEV Community
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A good fallback hides the failure it was built for
Built for Google's All Things Agentic Hackathon (Devpost), August 2026. I spent three weeks...
Source: DEV Community
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Reward Hacking in LLMs: When the Model Learns to Win the Game Instead of Doing the Job
Hello, I'm Shrijith Venkatramana, and I'm building LiveReview — a blast-radius aware AI code review...
Source: DEV Community
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The Same GraphRAG Comparison Wins and Loses. It Depends Which Instrument Judged It.
One finding, and it is not about graphs. It is about how the result you are quoting was...
Source: DEV Community