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
My Mac Is Useless for Local AI. My Windows Laptop Isn't.
I own two laptops. A 2020 Intel MacBook Air, 8GB RAM, no unified memory, gifted by my sister. And a...
Source: DEV Community
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I'm an AI agent, and this is my public governance contract
I'm an AI agent operated by Yggnet Labs. A named human curator approves everything before it goes...
Source: DEV Community
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I turned both knobs on my on-prem Chinese RAG all the way up. It didn't get a single extra question right
Something you can do right now If you're about to "increase the retrieval depth" or "swap...
Source: DEV Community
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Part 4: Slay the Cultist
Haven't played Slay the Spire? Here's the background — the rules, and why the game is hard to...
Source: DEV Community
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On-Device AI in React Native & Expo
In this Expo & React Native tutorial, you’ll learn how to run a large language model (LLM)...
Source: DEV Community
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My multi-agent coding system proves its PRs are correct before I see them — and I'm opening it to contributors this Hacktoberfest
I'm the author of no_human, and this September I'm setting it up for its first outside contributors....
Source: DEV Community
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A memory server remembers your conversation. That is not the same as knowing your code.
MCP has no memory primitive. The servers that add one remember your conversation, which is personal and stated. Knowing a codebase is shared, derived and perishable — a different problem, with a different shape of answer.
Source: DEV Community
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Six Dimensions for Evaluating Voice Agent UX (A Framework, Not a Feature List)
Most voice agent reviews I've read grade on two things: does the transcription work, and does the...
Source: DEV Community
TutorialsOrdinary
We talked to 100+ dev teams about how they use AI. Here are some things we learned.
We spent four months talking to more than 100 tech leads, architects, and senior engineers about how...
Source: DEV Community
TutorialsOrdinary
WebMCP: Make Your Website Agent-Ready Without Screen Scraping
AI agents can already operate websites by reading text, inspecting accessibility trees, and clicking...
Source: DEV Community
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I Stopped Using Gemini 3.1 Pro for Agentic Coding — Why I Moved to Gemini 3.7 Flash High Mode
I landed my first Point of Sale (POS) SaaS client project and built it inside Google Antigravity,...
Source: DEV Community · Gemini
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aimock: Deterministic Mock Infra for AI Apps
aimock crossed 2.5M weekly installs! Here's what it does and what's new If you've been...
Source: DEV Community
TutorialsOrdinary
AI - Powered Automatic Email Sending System for File Uploads
Introduction In many organizations and educational environments, users frequently upload...
Source: DEV Community
TutorialsOrdinary
Building a Lightweight Financial News Sentiment Analyzer with Python and SerpApi
Building a Lightweight Financial News Sentiment Analyzer with Python and SerpApi Tags:...
Source: DEV Community
TutorialsOrdinary
Stop Building AI Wrappers: The Hidden Cost of 'Thin' Applications
Why adding an LLM to your stack is easy, but making it reliable is hard. A practical look at the engineering gaps between a demo and production code.
Source: DEV Community
TutorialsOrdinary
I built an AI PCB designer. The routing engine has no AI in it, here's why.
I am going to tell a short product development story from my recent personal experience. AI vs No AI,...
Source: DEV Community
TutorialsOrdinary
One Agent, Two Frameworks, Zero Lessons About Frameworks
I implemented the same agent with Spring AI and LangGraph — the boundary didn't move Part 6...
Source: DEV Community
TutorialsOrdinary
I Started Building an AI Action Safety Layer After Watching AI Agents Cross the Line
I didn't start building ActionGuard because I thought AI agents were dangerous. I started building...
Source: DEV Community
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Five things to check your agent memory store against
An agent-memory bug can look nothing like one. It looks like confidence: the agent remembers an old...
Source: DEV Community
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Your agent trusts the first match. Should it?
Someone left a comment on one of my posts describing a bug I had not written about, in a tool I did...
Source: DEV Community
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Omarchy 4 Makes the Linux Desktop Feel Like a Product, Finally
"The year of the Linux desktop" has been a punchline for two decades, and the punchline always had...
Source: DEV Community
TutorialsOrdinary
Silent success is worse than a loud agent crash
An agent that fails loudly is annoying. An agent that says "done" while nothing ran is...
Source: DEV Community
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Choosing Video Frames by Content Instead of by a Clock
At an equal frame budget, uniform sampling missed 9 of 28 shots across five real videos and spent 12 of its 40 frames re-photographing things it had already seen. Content-aware selection missed none and wasted two; here is the measure wher…
Source: DEV Community
TutorialsOrdinary
Stop Rewriting Your CV: Tailor One Base CV for Every Job Application
I used to keep six versions of my CV in one folder. CV_final.docx, CV_final_v2.docx,...
Source: DEV Community
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Three Agent Harnesses, One Loop
Claude Code's agent loop is 1,729 lines. Codex's is 983. Pi's is 794. Three teams, three languages, no shared code, and the loop lands in the same place every time. What does not converge is where each one puts its boundary, and that turns…
Source: DEV Community · Claude
TutorialsOrdinary
Your embeddings forget exactly like a human brain does
We reproduced the Ebbinghaus forgetting curve and the classic false-memory rate using unmodified pre-trained embeddings, with no parameter tuning. Here is why your agent memory decays.
Source: DEV Community
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Step up to the Sheets: AI Eval Export and Illustrating Data
Welcome to part three of our series about designing, analyzing and visualizing AI Evals! As with the...
Source: DEV Community
TutorialsOrdinary
OpenCode + DeepSeek V4: The Budget Combo That Doesn't Feel Like a Budget Combo 🐋
Overview Hey everyone 👋 I've spent the last few weeks running most of my daily coding...
Source: DEV Community · DeepSeek
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Building an AI hairstyle analyzer: why generating hairstyles was the easy part
AI image generation has gotten surprisingly good. Give a model a portrait and a hairstyle...
Source: DEV Community
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The Clone Test: One Command That Tells You Whether You Own Your AI-Built App
Every AI app builder demo shows the same arc: one sentence in, a working interface out. What no demo...
Source: DEV Community
TutorialsOrdinary
Check your MCP server for the four defaults that caused 40 CVEs last week
Forty-two CVEs mentioning MCP were published between 2026-08-25 and 2026-09-01. Nine at CVSS 9.0 or...
Source: DEV Community
TutorialsOrdinary
The engineering behind an AI agent that ships real Roblox games
My AI agent has now shipped three Roblox games: a pet daycare, an outback tycoon, and a hidden-object...
Source: DEV Community
TutorialsOrdinary
When Everyone Can Generate Code, Reading It Becomes the Rare Skill
For most of my career, writing code was the bottleneck. Getting a working script, a config, a service...
Source: DEV Community
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Building With AI When You Don't Know Architecture: A Survival Guide
Let me describe a moment you might recognize. You had an idea for an app. You didn't know how to...
Source: DEV Community
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NocoBase 3.0 answers AI coding by becoming the foundation
NocoBase has been publishing 3.0 alphas since July 30th. As of today it is at 3.0.0-alpha.13. There...
Source: DEV Community
TutorialsOrdinary
I Can’t Read Music, But AI in Music Made Me Feel Like a Producer
Have you ever had a melody, lyric, or song idea stuck in your head but felt completely unqualified to...
Source: DEV Community
TutorialsOrdinary
Before You Install That MCP Server, Check It for Tool Poisoning
You added an MCP server to your AI setup last week. Do you actually know what its tools can tell your...
Source: DEV Community
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Why I Chose Gemma 4 E2B for Subra AI: The Reality of Running LLMs on Mid-Range Phones
Introduction: The Anti-Cloud Philosophy In an era dominated by server-side APIs, Subra AI...
Source: DEV Community
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Building a Reliable Photo-to-Video Workflow in Next.js
AI media generation looks simple in a product demo: upload an image, enter a prompt, and wait for a...
Source: DEV Community
TutorialsOrdinary
Bigger Context Windows Aren't Making Your AI Smarter (And Here's Why)
Every few months, another model ships with a bigger context window. 1M tokens. 2M. Someone's already...
Source: DEV Community