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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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
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ShipSafe: How a LinkedIn Post Sent Me Back Into My Old Field for 10 Hours
Hello everyone, I did a 3-year diploma in computer engineering before switching paths. I'm now in...
Source: DEV Community
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When Better Latency Metrics Hide Worse Reliability
A system completes 93% of interactive requests with a p95 latency of 10 seconds. Another completes...
Source: DEV Community
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I built an autonomous treasury agent, then let a code review bot find every way it could lose money
I just submitted TreasuryForge to the WeMakeDevs × TrueFoundry Agent Harness Hackathon, an autonomous...
Source: DEV Community
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Design Patterns of Agentic AI
The Design Patterns Nobody Told You About Agentic AI Here's a confession: the first...
Source: DEV Community
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I Tried Getting Closer to the GPU With Triton
I've been trying to understand what actually happens when a piece of ML code reaches the GPU. Not the...
Source: DEV Community
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I Asked for a Portfolio but Got a Filing Cabinet
Every AI redesign of my portfolio looked different and was the same filing cabinet underneath. What a style guide couldn't fix — and the one instruction that did.
Source: DEV Community
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I A/B tested my own system prompt: 24 generations, one clear win, one rule that did nothing | Flash Onyx 2.2
Five new sections in Flash Onyx 2.2, measured against the build from before them, then six rounds of fixing what the run found. Including the round where adding one more sentence made everything worse.
Source: DEV Community
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GPT-5.6 Sol Fast Mode vs Standard: When Double the Price Actually Buys You Speed
Last month I sat watching one of my own agent pipelines grind through a step that a human was...
Source: DEV Community · GPT
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curl your own homepage. That is all ChatGPT sees.
Run this against your site right now: curl -s https://yoursite.com | grep -o...
Source: DEV Community · ChatGPT
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Nobody searches for security apps. So I made mine a tool for AI agents instead.
A Japanese version of this is on Note. (This is Part 2 of the solo-security-dev series. Part 1 on the...
Source: DEV Community
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Five Languages, One Law
A library gets proven by people using it. A specification is a harder claim to back up: someone else...
Source: DEV Community