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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TutorialsOrdinary
Machines Can Only Build What Someone Already Imagined
When a prompt describing what you need is submitted, an AI fills in forty lines of clean, working...
Source: DEV Community
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What breaks when you ship 21 AI tools that never touch a server
We run every AI feature — LLM writing, background removal, upscaling, transcription, OCR — entirely in the browser. Here is the honest list of what broke, and the COOP/COEP, onnxruntime and model-size traps we hit on the way.
Source: DEV Community
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The 404 only we could see: 23.8 hours inside a cache entry we made ourselves
For 23.8 hours, one of our published articles returned 404 to us and 200 to everyone else. The...
Source: DEV Community
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Your Hook Is Configured Correctly and Never Runs
You write a hook. The JSON is valid. The keys are spelled right. No error appears. Nothing...
Source: DEV Community
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Claims, Not Facts: Building an Auditable Multi-Author Record for a House
Most systems that describe a building store facts. A row says the house has three bedrooms. Another...
Source: DEV Community
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984 Requests Said They Were Perplexity. None Could Prove It.
Thirty days of AI crawler data from one WordPress site, sorted by whether each request could be confirmed — about one in six arrived with proof attached, and the reasons the rest could not split three ways.
Source: DEV Community
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Building Beyond CRUD with Claude and Codex: How we Created an Interactive Digital Museum
What does building with AI look like when your application needs interactive planets, a working 3D...
Source: DEV Community · Claude
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GPT-6 Astra: What’s Actually New in OpenAI’s New Frontier Model
OpenAI has released GPT-6 Astra, its newest frontier model, less than a week after Anthropic’s Claude...
Source: DEV Community · OpenAI / GPT / Claude
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handoff: Give the Next AI Agent the Context It Actually Needs
A detailed guide to creating compact AI-agent handoffs that preserve the live thread, point to durable artifacts, and prevent costly rediscovery.
Source: DEV Community
TutorialsOrdinary
Understanding Things Anyway
I’ve been noticing something weird lately. Not with AI itself. AI is obviously getting better: the...
Source: DEV Community
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Amparo: applying for food aid without reading a single word
This is a submission for Weekend Challenge: Generosity Edition What I Built Every year an...
Source: DEV Community
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Advertised but never wired: config options that exist everywhere except the code path
Two issues landed in the agent-CLI ecosystem within a few hours of each other this week, in two...
Source: DEV Community
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13 repositories, 13 bugs: what open source taught me about my own tool
I built a tool that draws architecture diagrams from a repository, where every edge cites the file,...
Source: DEV Community
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I built a QA agent that audits itself nightly. It has filed 79 findings against its own releases.
Most "AI QA agents" audit your repo from scratch every time and end with LGTM. I wanted the opposite:...
Source: DEV Community
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RAG ou MCP? A pergunta errada. Cole o prompt e monte os dois
RAG é a base de conhecimento: Logseq, Notion, Confluence. MCP é o conector: o IDE pede um trecho dessa base. Fine-tuning não grava o doc nos pesos.
Source: DEV Community
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urning emailed spreadsheets into Magento orders without asking customers to change
Every B2B Magento store I've worked on has the same quiet leak. A chunk of the orders never touch the...
Source: DEV Community
TutorialsOrdinary
Give Your Coding Agent Eyes
Every coding-agent session starts blind: your agent rediscovers how your features work, and sometimes...
Source: DEV Community
TutorialsOrdinary
Multiple Browser Agents Need More Than Separate Profiles
A development report on browser workspaces, project bindings, exclusive leases, and controlled handovers between humans and agents.
Source: DEV Community
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Liar Liar Pants on Fire
I have to come clean. Speaking at APIWorld this past week wasn’t actually my first talk acceptance....
Source: DEV Community
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The queue drains itself now, and the morning note fits in a minute
One month after the queue essay: findings file themselves, rounds are judged on the contract, the morning brief reads like a PA's note, and a refused write is never silent.
Source: DEV Community
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My agents run without permission prompts, so the brake moved into the hook
The permission prompt only fired when I was watching. A hook now refuses force pushes, shared-tree resets and root deletes in every mode, and redirects the session instead of waiting for me.
Source: DEV Community
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No card ships until a blind judge passes it
296 puzzle cards, each judged by a model that sees the story but never the brief, the finding or the old card. Eleven waves, and the brief turned out to be the lever.
Source: DEV Community
TutorialsOrdinary
I banned the em dash from my AI's voice
The voice engine flags it, the site refuses it, the drafter is forbidden it, and 117 instances were rewritten by hand. Then the gate blocked my own deploys for a day.
Source: DEV Community
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How I Built an Ultra-Low Latency, Local-First Interview Copilot with Electron, React 19, and Groq Whisper Turbo
Most conversational AI speech assistants have a fatal flaw: crippling latency. You ask a question,...
Source: DEV Community
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Classify the Job First: A Router for Local Agents and Awake Hosts
A backend team shipped a local-first coding agent that kept repository secrets on each developer...
Source: DEV Community
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The Assumption Receipt: A Two-Hour Lab for AI Patches
The lab was quiet except for keyboards. A teaching assistant walked the aisle of a Saturday workshop...
Source: DEV Community
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Agentic AI Is Mostly Marketing. Memory Is the Part That's Real.
Open any 'agentic AI' repo trending on GitHub this month and you'll find the same shape: a while...
Source: DEV Community
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Flash Onyx 2.3: I shipped a model release with zero new weights
Same base model, same sampling, entirely different coworker. The diff was 40 lines of English, and here they are.
Source: DEV Community
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Frontier LLM prices didn't move for 5 months. In August, they moved three times, and one lab tripled its rate.
On August 1 I published a report whose headline finding was that frontier LLM API prices are...
Source: DEV Community
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Tree of Thoughts and MCTS for LLMs: What Happens When You Stop Making the Model Guess Once
Hello, I'm Shrijith Venkatramana, and I'm building LiveReview — a blast-radius aware AI code review...
Source: DEV Community
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Why LLMs Should Never Touch Money Directly: Building an AI Payment Recovery Agent Solo
How I built REVA for Track 3 of the Razorpay AI Buildathon 2026—and why deterministic guardrails...
Source: DEV Community
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The Advice Was "Build on Unique Data." Mine Was a House.
A response to Marina Wyss's How I'd Learn Machine Learning in 2026, from someone who arrived at the...
Source: DEV Community
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When memory returns a plausible answer but violates its boundaries
Most memory demos ask whether a later fact can be retrieved. That is a useful start, but it leaves...
Source: DEV Community
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Run GLM-5.3 Locally: Real Quant Sizes, the llama.cpp Surprise, and the reasoning_effort Trap
Flash on 27 August, the flagship on 28 August. Real quant sizes, why the bigger model has better tooling support than the smaller one, and the default that silently makes it feel slow.
Source: DEV Community · GLM / Llama
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Deploying an Agent Substrate Actor After ActorTemplate Left Kubernetes
As of 09/02/2026, the ActorTemplate object no longer exists. It was created, as the name suggests, to...
Source: DEV Community
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JuryTrace: make agent-judge failures inspectable
When an agent regression judge says “accept,” the interesting question is often not the score. It is...
Source: DEV Community
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Kill a workflow between the effect and its acknowledgement
Retries are comforting until the process dies at the worst possible moment: after an external action...
Source: DEV Community
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Spotify Cut Claude Code Token Usage by 90 Percent. The Pattern Works in Any AI Agent
Earlier this week, an engineer at Spotify published numbers that should make everyone running an AI...
Source: DEV Community · Claude
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How I stopped an LLM from fabricating citations (a coin-museum story)
I started collecting ancient and world coins this year. It got out of hand fast, the way these...
Source: DEV Community
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💙 KindLink - Because “I Want to Help” Is Not a Plan 😭
This is a submission for the Weekend Challenge: Generosity Edition. Have you ever thought: “I...
Source: DEV Community