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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„Penny? Anwesend?“ — Der Auftrag, der verschwand, bevor er fertig war.(penny-days-3) #openclaw, #ai-agent, #devops, #raspberry-pi
„Penny? Anwesend?“ — Der Auftrag, der verschwand, bevor er fertig war Penny-Days, Folge 3. Entwurf,...
Source: DEV Community
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Google Expands UCP Direct Checkout to AI Mode and Gemini in Canada
Google is rolling out direct checkout powered by the Universal Commerce Protocol (UCP) to shoppers in...
Source: DEV Community · Gemini
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My first month of hackathons: 4 local AI projects, 4 lessons
October 2026 was my first month of hackathons. I wanted a few real projects on GitHub, something...
Source: DEV Community
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I made a resume tool whose best feature is telling you to skip the job
Most resume tools will stretch you to fit any posting. Paste a nursing job next to a warehouse resume...
Source: DEV Community
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Don't Ask Again, Publish Forever: How a Claude Code Permission File Leaked 2,539 Secrets to GitHub
On November 2, 2026, a security researcher sent an uncomfortable email to a database vendor. The message told the company that its own admin-level cloud API key
Source: DEV Community · Claude
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Building Beanstick: Autonomous Fiat-to-Crypto Settlement on Solana with Anchor PDAs & zkTLS
Building Beanstick: Autonomous Fiat-to-Crypto Settlement on Solana with Anchor PDAs &...
Source: DEV Community
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The model said yes. The chain said no. An on-chain lock for AI agents with wallets
I let strangers try to talk AI agents out of real Solana devnet vaults. Same attack, same model, same prompt: one drained, one locked by an on-chain spend policy.
Source: DEV Community
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My AI agent refunded $258 for a $129 order. So I built a flight recorder for agents.
This post was written as part of the Kiroween 2026 hackathon (#KiroweenHackathon26). A customer...
Source: DEV Community
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Como criei um sistema de SOS e Botão de Pânico com IA aos 15 anos (e sem cursos formais)
Imagine usar a tecnologia não apenas para criar mais um aplicativo no mercado, mas para oferecer uma...
Source: DEV Community
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Why Apple Is Betting on App Intents Over Pixels
On November 8, 2026, Bloomberg's Mark Gurman reported that Apple CEO John Ternus held a closed-door...
Source: DEV Community
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AutoGen and AI Frontiers: research, reorgs and maintenance
AutoGen's archive warning and John Langford's AI Frontiers exit account expose separate questions about maintenance and the route from research to products.
Source: DEV Community
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Three agents and one memory: a proposal pipeline for a small agency
Josefina Tersoli, October 2026. The code is at github.com/JTersoli/bigpickle-brain, MIT. Every...
Source: DEV Community
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Claude Code reads AGENTS.md now, but only when CLAUDE.md is missing
Claude Code shipped AGENTS.md support on September 18, 2026. The changelog line for 2.1.277 is one...
Source: DEV Community · Claude
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Building a free AI UI builder on Cloudflare: what small models taught me
A 2 days ago I launched openconstructor, a free, open-source browser editor: you describe an...
Source: DEV Community
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An email told my AI support agent to refund $900. Here's the guardrail that said no.
I'm building PurseString, an open-source MCP server that lets AI agents spend money safely. I'm in...
Source: DEV Community
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Auto-Research for Physical Products
The idea started with a conversation about math. A lot of recent progress in AI-assisted math comes...
Source: DEV Community
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The 11 CMS SEO Features Every Platform Should Include in 2026
A CMS can make routine SEO either a manageable editorial task or a continuing queue of developer...
Source: DEV Community
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Why We Built a Financial Firewall for Autonomous AI Agents on Solana: ACID Reservations, Zero Key Leakage, and the Subscriptions Program
Why We Built a Financial Firewall for Autonomous AI Agents on Solana: ACID Reservations,...
Source: DEV Community
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I audited my own tool: what limitcast got wrong and what I fixed
I read limitcast the way I would read a stranger's tool: corrupt its state, feed it bad input, time...
Source: DEV Community
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eBay API Setup for an AI Listing Agent
Published November 07, 2026 on matbanik.info The AI agent that lists my eBay items can group my...
Source: DEV Community
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I published 30 runnable API examples — here is what the real outputs taught me
A green run status is not enough to trust an API. I want to inspect the dataset, understand the...
Source: DEV Community
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PhantomCommit AI: Bringing Forgotten Code Back to Life with Open-Source AI
What I Built Code never truly dies. It just waits to be understood. 👻 Every developer has...
Source: DEV Community
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OpenAI Says ChatGPT’s Search-Like Queries Are About One-Fifth of Google’s
OpenAI has offered a striking new comparison for the scale of AI-assisted discovery: ChatGPT’s...
Source: DEV Community · OpenAI / ChatGPT
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The Answer Looked Fine. The AI Bill Didn’t.
A Friday release adds a friendly touch to a support chatbot. Greet customers by loyalty tier. Give a...
Source: DEV Community
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Why Multi-Pet AI Art Is an Engineering Nightmare (And How We Solved It)
Anyone who has owned more than one pet knows the family-photo problem: someone is always mid-blink,...
Source: DEV Community
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Worker Previews Give Every Change a Place to Prove Itself
TL;DR Cloudflare launched Worker Previews on September 22, 2026: every Git branch gets a...
Source: DEV Community
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I run 16 CLI commands, 47 content checks, and 27 AI crawler tests. Here's which ones actually matter
GEO Optimizer runs 16 CLI commands, 47 content checks, and 27 AI crawler tests per audit. After...
Source: DEV Community
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My free open-source AI UI builder got 562 visitors in its first 2 days — here's what worked
Two days ago I launched openconstructor (https://openconstructor.pw), a free, open-source browser...
Source: DEV Community
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Text-to-SQL em português com RAG e LoRA: o que aprendi medindo um assistente sobre dados sintéticos
Montei um assistente que transforma perguntas em português sobre uma frota de ônibus em SQL, e passei...
Source: DEV Community
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Reproducible LLM Evals: Record the Run, Not Just the Score
Your eval suite scored 87% on Tuesday and 84% on Thursday. Nobody changed the prompt. Was it the...
Source: DEV Community
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Your AI Agent Is a Confused Deputy: What Developers Need to Know About AI Security
Prompt injection, hallucinated packages and AI-run intrusions, plus the design rules that hold up when the model gets fooled.
Source: DEV Community
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[AI Hands-on] Refactoring LINE Business Card Assistant: Python to Go with Antigravity Remote Agent, Google ADK, and Firestore -
Background Recently, I've been rewriting several of my daily core services from Python...
Source: DEV Community
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How I made "jump to message" work in ChatGPT, Claude and Gemini
I'm a third-year student, and a lot of my studying and project work happens in AI chats. The chats...
Source: DEV Community · ChatGPT / Claude / Gemini
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I built a "what am I signing?" checker for Solana in a weekend
Most people approve crypto transactions blind. A site says "Claim your airdrop!", the wallet pops up,...
Source: DEV Community
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'Almost Right' Agent Code Is Worse Than Wrong Code. It's Devs' Top AI Complaint
Stack Overflow 2025: 66% of devs flagged AI code that's 'almost right, but not quite', the #1 frustration. Wrong code fails loudly. Almost-right ships.
Source: DEV Community
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How I used parallel Claude Code agents to write hundreds of Chinese working lives
My side project is a game I'm building. This is the side project of that side project. One Job, One...
Source: DEV Community · Claude
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My Publish Script Doesn't Trust Its Own Success Message
A few weeks ago I watched a trending thread about an agent that told someone it had deployed, and...
Source: DEV Community
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I ran an always-on AI agent for 42 days. Here is the ledger.
42 days of an autonomous agent on a metered budget: 78 cents left, zero revenue, and the real constraint was never inference cost.
Source: DEV Community
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Pamsika: how a photo of a price board became a DevDraft Best Builder win at Hack Day Lusaka
Pamsika won Best Builder from DevDraft at Hacktoberfest Hack Day Lusaka: Gemma 4 reads a price board, DevDraft payment links get sellers paid, and every board feeds a public price board.
Source: DEV Community
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My logo heals itself. Then I erased it into a stick.
This week I erased my own logo down to a thin strip and waited for it to heal. It thought about it...
Source: DEV Community