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
Agentic IDE: GitHub Copilot App vs Jetbrains Air
As a Java Developer, I spent many years solely using IntelliJ for development. I found it intuitive...
Source: DEV Community
TutorialsOrdinary
I built a tiny CLI to see how my coding agent actually worked
Agent Pigeon reads local Claude Code and Codex session history after a run and turns it into a short...
Source: DEV Community · Claude
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NL-to-SQL tools will happily DROP your table. Screen the output.
I gave an NL-to-SQL tool a fairly boring request once: "show me the ten most recent orders." It...
Source: DEV Community
TutorialsOrdinary
Your agent did not forget your instructions. It compressed them out.
Long agent runs rarely fail at a tool call. They fail at a compaction boundary, and almost nobody...
Source: DEV Community
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Ultra Bridge: Translating JAWS Keyboard Commands to NVDA with Sanity Context
This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real Content ...
Source: DEV Community
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The ticket is the interface: how our developers ship without a laptop
Neither I nor my developers need a laptop to ship code anymore. That sounds like a stunt, so here is...
Source: DEV Community
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Your security policy is a PDF. Your AI agent can't read PDFs.
Most companies I've seen have a security or data-handling policy that lives in a document. It gets...
Source: DEV Community
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SEO Automation Signals a Hybrid Future: Rules, AI, and Human Approval
SEO automation is increasingly being framed as a workflow design problem, not a choice between manual...
Source: DEV Community
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Permission Filters and pgvector: Why Your Most Restricted Users Get the Fewest Answers
If you build AI search over documents that not everyone may read, you filter by permission. In...
Source: DEV Community
TutorialsOrdinary
When AI-generated code outruns the reader, the fix is tooling, not a stronger reviewer
Six months before the Miden zkVM audit even started, Trail of Bits had already spent most of the real...
Source: DEV Community
TutorialsOrdinary
Cutting PR review time is an orchestration problem, not a reviewer problem
The usual answer to "how do we reduce PR review time" is to make the reviewer faster. Vendor pages...
Source: DEV Community
TutorialsOrdinary
Why Vector Search Breaks Production: Building a 2-Hop Relational Context Engine in Sanity
This is a submission for the Sanity Challenge, Path Two: Build a Knowledge Base or Context...
Source: DEV Community
TutorialsOrdinary
SHIPCHECK: An Autonomous ReAct Agent That Stops Cloud Outages Before They Happen
This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real...
Source: DEV Community
TutorialsOrdinary
Your agent keeps guessing your conventions. Write the file it actually reads.
Every team I have watched adopt Cursor, Claude Code or Codex hits the same wall in week two. The...
Source: DEV Community · Claude / Cursor
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Building a Robust Agent Evaluation Framework: Lessons from Real-World Failures
Discover why your current LLM agent eval suite is broken. Learn to build a comprehensive evaluation framework based on 7 real-world failures and secure deployment patterns.
Source: DEV Community
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My AI Agent's Skill Declared Nothing. It Still Read 9 Files, Ran 7 Processes, and Got Blocked 3 Times.
I gave an AI agent a code-review skill. It never mentioned touching the filesystem or spawning...
Source: DEV Community
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Building my own trading platform, three rebuilds in
I traded forex and crypto manually for years and lost money doing it. Looking back, my strategies...
Source: DEV Community
TutorialsOrdinary
The Estian Tattler: a gossip rag for my RimWorld colony that has to cite the save file
This is a submission for the Sanity Challenge, Path Two: Vibe-Code Something Strange I'll be...
Source: DEV Community
TutorialsOrdinary
Multi-Reward Reinforcement Learning for LLM Agents: Comparing PPO, GRPO, DAPO, and GDPO
GDPO vs GRPO, DAPO and PPO for multi-reward agent post-training: normalization math, scale dominance, reward collapse, and benchmark results.
Source: DEV Community
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I spent a week teaching my Mac app to remember what I meant last Tuesday
This happens to me about four times a day. I find a bug. I explain it to my coding agent. We fix...
Source: DEV Community
TutorialsOrdinary
I switched my nine broken RimWorld mods back on to see if an agent could find them
This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real Content ...
Source: DEV Community
TutorialsOrdinary
12 Prompt Habits to Change for Claude Opus 5.5
Opus 5.5 does more on its own. Most of the gains come from telling it less, and telling it more clearly when it's done.
Source: DEV Community · Claude
TutorialsOrdinary
AI Agents vs Traditional Automation: What's Actually Different for Security
The real security difference between an AI agent and traditional automation is not "smart vs dumb"....
Source: DEV Community
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My RAG evaluation was lying to me, twice!!
I built the usual thing: a CLI that ingests documents, embeds them, and answers questions with...
Source: DEV Community
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OpenAI Details Hugging Face Incident and Broadens Frontier Model Safety Review
OpenAI has disclosed a significant incident from its internal cybersecurity evaluations in which a...
Source: DEV Community · OpenAI / Hugging Face
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Teach Claude your workflow: build an Agent Skill with SKILL.md
Originally published at AI Frontier Post. Every regular Claude user eventually hits the same...
Source: DEV Community · Claude
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CloudForge AI: Build Cloud Architectures with Google AI Studio & Gemini
This post is my submission for DEV Education Track: Build Apps with Google AI Studio. ...
Source: DEV Community · Gemini
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Do LLMs Actually Check Their Tools? I Built a Benchmark That Lies to Them
This is a submission for the Kaggle Benchmarking Challenge. Every day, agents book invoices, check...
Source: DEV Community
TutorialsOrdinary
Google Gemini 3.8 Connects Expressive Voice, Live Avatar and Notebook Context
Google is expanding Gemini 3.8 across voice generation, conversational AI and knowledge work. The...
Source: DEV Community · Gemini
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Crystals: agent memory that arrives before you act
Most agent memory is a search box. The model wonders something, a retriever runs, chunks come back....
Source: DEV Community
TutorialsOrdinary
GRPO practical guide
In this article, we will learn about GRPO. We will understand the basics of its theory, and we will...
Source: DEV Community
TutorialsOrdinary
I put one wrong test in the file. Most models sided with the test.
This is a submission for the Kaggle Benchmarking Challenge What I Benchmarked My day job...
Source: DEV Community
TutorialsOrdinary
Approving a Tool Is Not Approving Data: What Laravel AI SDK 1.0 Changes, and What It Doesn't
Laravel AI SDK 1.0 shipped on September 23, and one of the headline features is the Approvable...
Source: DEV Community
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OpenSeal: An Open-Source AI Agent Platform
You can now use OpenSeal under the Apache License 2.0. It handles the work that grows around an AI...
Source: DEV Community
TutorialsOrdinary
Escalating to the better model made 34 answers worse
The standard picture of a cheap AI system is a ladder. Small model at the bottom, big one at the top,...
Source: DEV Community
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Architecture Maliklang-V2: A Distributed Genomic AI Engine for 5-Year Early Cancer Screening Built Entirely on a Keyboardless Tablet
🧬 The Genesis: Demilitarizing Advanced Oncology for the Masses In modern medical science,...
Source: DEV Community
TutorialsOrdinary
Keep the Math Out of the LLM: A Calorie Calculator Where AI Only Explains the Result
It's tempting to throw a nutrition question at an LLM and let it produce the numbers. The problem:...
Source: DEV Community
TutorialsOrdinary
Claude Code Batch File Edits: Using MultiEdit and Write Together to Cut Round-Trips in Long Refactor Sessions
Claude Code Batch File Edits: Using MultiEdit and Write Together to Cut Round-Trips in Long...
Source: DEV Community · Claude
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Embeddings Turn Text Into Numbers. But There’s More Than One Way to Do It
Hello, I'm Rijul, and I'm building LiveReview — a blast-radius aware AI code review built for your...
Source: DEV Community
TutorialsOrdinary
Only What I Asked
This is a submission for the Kaggle Benchmarking Challenge. I kept running into the same thing with...
Source: DEV Community