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
I forked a live AI agent three ways, and every copy came up with its web server already running
An agent built an app inside a DigitalOcean Managed Agents microVM. I checkpointed it, forked it three ways, screenshotted every branch, then deleted the app and rolled back in 5.6 seconds. The process I had killed came back at the same PI…
Source: DEV Community
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Tell your AI agent what it's about to break, before it breaks it
Tell your AI agent what it's about to break, before it breaks it AI coding agents are...
Source: DEV Community
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Would an AI let my patient drink thin water? Benchmarking LLMs on dysphagia diet safety
This is a submission for the Kaggle Benchmarking Challenge What I Benchmarked I'm a...
Source: DEV Community
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🤖 AI Can Write My Code. But Apparently, I Still Need to Know How to Press Enter.
AI coding tools are getting crazy good. They can read your project, understand multiple files, write...
Source: DEV Community
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The Framework Nobody Wrote Down: Taking a Backbone App to React
Backbone gave you models, views, a router and events, and left the rest to you. So most Backbone apps...
Source: DEV Community
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AI Recommends Packages Attackers Registered First
The model invents a package name, someone registers it, and the agent installs it with no human in the loop. USENIX measured it at 19.7% of generated samples, and Anthropic watched 15 real systems pull a malicious package within the hour.
Source: DEV Community · Claude
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How To Write Playwright tests in minutes with Playwright MCP and Claude Code
This article was originally published on the Endform blog. By the end of this walkthrough you'll...
Source: DEV Community · Claude
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Your bugs used to burn CPU. Now they burn money.
In traditional software, a badly written loop gives you a CPU spike. Somebody gets paged, the graph...
Source: DEV Community
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Your agent says verified. Nothing binds it to the artifact
Has an agent ever told you it "verified" something and you just... believed it? I have. So this time...
Source: DEV Community
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Ephemeral Autonomy: Securing On-Chain AI Agents with ERC-7702 and Scoped Session Keys
Giving an autonomous AI agent an unconstrained private key creates critical attack vectors: prompt...
Source: DEV Community
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The best engineer on my team ships the least code.
The best engineer on my team almost got a bad review last quarter for shipping too little code. I'm...
Source: DEV Community
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Does Your Favorite AI Tool's Cache Hit Mean Your Project's Uniqueness Miss?
I was checking out Hacktoberfest Weekend Challenge submissions. I do this from time to time on DEV...
Source: DEV Community
TutorialsOrdinary
I Gave My AI Agents Their Own Documentation Crawler, and Pulled 60 Pages of Clean Markdown in 49 Seconds
It's not just that I made a crawler, but it's how the docs actually look that makes me love this so...
Source: DEV Community
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AI Compliance Automation Software: Features, Architecture & Development Cost
AI compliance just stopped being a policy problem. On October 4, 2026, Reuters reported Sam Altman...
Source: DEV Community
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What stateless MCP changes for gateways
The MCP spec went stateless on July 28. If you run one MCP server, that mostly means deleting your...
Source: DEV Community
TutorialsOrdinary
✍️ MagenticCMS: Rehearse the Comments Before You Publish the Post
This is a submission for the Sanity Challenge, Path Two: Vibe-Code Something Strange. Thanks to...
Source: DEV Community
TutorialsOrdinary
Keepsake: Everyone's Trip Photos, Sorted into Moments Without Anyone Lifting a Finger
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I...
Source: DEV Community
TutorialsOrdinary
Warp: An Evidence Graph for Procurement Incidents
This is a submission for the Sanity Challenge, Path Two: Vibe-Code Something Strange What I...
Source: DEV Community
TutorialsOrdinary
My friend runs her supplements shop from WhatsApp voice notes, so I built her a shop helper
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend Her day,...
Source: DEV Community
TutorialsOrdinary
English guides say ¥6 million. The FSA says ¥18 million. Genten checks Japan's money rules against the Japanese original
This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real Content ...
Source: DEV Community
TutorialsOrdinary
How I Legally Slashed Anthropic Claude API & Claude Code Bills by 70%
If you have been building with Claude Code, Cursor, or autonomous agentic workflows over the past few...
Source: DEV Community · Claude / Cursor
TutorialsOrdinary
AirNEET: Building an Airplane Mode Socratic Mentor for My Sister's NEET Prep (100% Offline RAG)
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I...
Source: DEV Community
TutorialsOrdinary
I Built an AI Content Agent for My Sister in a Weekend
*This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend * My sister is an...
Source: DEV Community
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The Witness Was the Suspect: Why AI Audit Logs Can't Be Trusted
An AI agent does something it shouldn't. It leaks data, or wipes the wrong database, or makes a call...
Source: DEV Community
TutorialsOrdinary
Backstage: a venue-scouting agent that knows “350 seats” isn’t a yes
This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real Content* ...
Source: DEV Community
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Integrating Claude Code with Auth0 APIs
Did you know that an AI agent with live access to your Auth0 tenant can catch bugs that no static...
Source: DEV Community · Claude
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Mend: a missing button shouldn't retire a shirt
This is a submission for the Sanity Challenge, Path Two: Vibe-Code Something Strange What I...
Source: DEV Community
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We Gave AI Agents Real Tools — Then Realized “Just Ask Before Acting” Wasn’t Enough
Giving an AI agent tools feels like the moment it becomes truly useful. Now it can: read...
Source: DEV Community
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Event-Driven AI at Cloud Scale: High-Throughput Stream Classification with Pub/Sub, Dataflow, and Jev
How to turn millions of events per hour into typed, confidence-scored decisions, without a...
Source: DEV Community
TutorialsOrdinary
Whisper Keeps Correcting Nigerian Speech. Here's How I Measured It
What I Benchmarked I've been fine-tuning Whisper on Nigerian speech for a while, and I...
Source: DEV Community
TutorialsOrdinary
My first-choice AI model said no to 5 of 6 room photos. The app still answered each one in about 4 seconds.
After a stroke, some people with aphasia understand everything but can't find the words. Hospital...
Source: DEV Community
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Broadcast and Get Hit, Go Dark and Void $65M: I Built NAVI-SANCTION with Sanity to Break the Deadlock
How we built NAVI-SANCTION, an autonomous maritime war-risk arbitration engine using Sanity Content Lake and relational GROQ to resolve the lethal contradiction between SOLAS treaties, naval advisories, and Lloyd's insurance warranties.
Source: DEV Community
TutorialsOrdinary
480 cases, 240 evil twins
This is a submission for the Kaggle Benchmarking Challenge What I Benchmarked a lab...
Source: DEV Community
TutorialsOrdinary
My friend can't stop buying things at 2am. So I built an AI that can.
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I...
Source: DEV Community
TutorialsOrdinary
Delta: investigate, connect clues, change your mind
This is a submission for the Sanity Challenge, Path Two: Vibe-Code Something Strange. What...
Source: DEV Community
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"If it's not in front of me, it's gone": I fine-tuned a 4B model for my friend with ADHD
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend TL;DR. My friend...
Source: DEV Community
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Padh Ke Batao: an AI that reads my grandfather's documents to him, on a laptop with no GPU
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I...
Source: DEV Community
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From the Word 'Risk' to Tighter Stops: Automating Quant Parameters via NLP Keyword Capture from LLM Outputs
From the Word 'Risk' to Tighter Stops: Automating Quant Parameters via NLP Keyword Capture...
Source: DEV Community
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What survives /compact in Claude Code: the root CLAUDE.md came back 8 of 8 times, an invoked skill didn't through claude -p --resume
2 of 8 compactions dropped the body of a skill I had invoked earlier in the session, even though the...
Source: DEV Community · Claude
TutorialsOrdinary
My judging engine passed 119 tests and had never once finished its own maths
I've done more than fifteen hackathons and won five, always on a team. For DOGFOOD 2026 I entered...
Source: DEV Community