AI 教程与实战
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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教程 / 实战普通
I built a time tracker without touching the code: declarative architecture programming with Claude
I ran an experiment: build a complete product without writing or editing a single line of code...
信息来源:DEV Community · Claude
教程 / 实战普通
My friend almost got phished — so I built him a local AI bodyguard in one weekend
📅 DEV Weekend Challenge: Build for a Friend · Hacktoberfest 2026 🔗 Repo:...
信息来源:DEV Community
教程 / 实战普通
DocuMind: Intelligent Real-Time AI Documentation & Technical Knowledge Agent
This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real...
信息来源:DEV Community
教程 / 实战普通
Your CDN can overrule robots.txt: finding the layer that refuses AI crawlers
In the first post I found Japanese tourism sites whose robots.txt welcomes GPTBot while the server...
信息来源:DEV Community
教程 / 实战普通
What Actually Happens During Speculative Decoding in LLMs
How draft models, parallel target verification, and rejection sampling break the GPU memory bandwidth bottleneck without losing output quality.
信息来源:DEV Community
教程 / 实战普通
Building an Agentic System in .NET, Part 3: Durable Memory with Postgres and pgvector
The previous two parts wired up the agent loop and gave it tools. The missing piece is memory....
信息来源:DEV Community
教程 / 实战普通
When More Semantic Signals Made My AI Judge Worse: Building a Lateral Thinking Game with Jev
When More Semantic Signals Made My AI Judge Worse I have been building a small web game...
信息来源:DEV Community
教程 / 实战普通
How to Build a Zero-Knowledge AI Prompt Anonymizer in Pure JavaScript (Two-Way PII Masking)
Learn how to build a zero-knowledge AI prompt anonymizer in pure JavaScript to sanitize confidential names, emails, and financial figures before ChatGPT.
信息来源:DEV Community · ChatGPT
教程 / 实战普通
I A/B-tested 9 popular AI agent skills. 4 of them did nothing.
Agent skills are everywhere this year. A skill is a SKILL.md file that teaches a coding agent (Claude...
信息来源:DEV Community · Claude
教程 / 实战普通
The Math an Applied AI Engineer Actually Uses in an Evaluation Loop
A team compares two versions of an AI service. Average accuracy rises from 82% to 86%. The new...
信息来源:DEV Community
教程 / 实战普通
Can Jev predict Bitcoin? It read the indicators backwards
I gave Jev 12 indicators on 1,500 unseen BTC 5-min candles. It read them right 99.8% of the time, then scored AUC 0.49. A plain model got 0.52.
信息来源:DEV Community
教程 / 实战普通
Jev by TypeSafe AI: the hype, reactions, and two-week clone war
Jev TypeSafe AI's decision model returns typed answers in milliseconds. See the hype, the Reddit skepticism, and the two-week OpenAI and AWS clones.
信息来源:DEV Community · OpenAI
教程 / 实战普通
I Built a Political Accountability Agent That Queries Sanity
This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real Content ...
信息来源:DEV Community
教程 / 实战普通
My agents kept forgetting each other, so I wrote a protocol about it
Notes from building AMP, an open HTTP protocol for agent memory: what it defines, the five things I got wrong, and the question I still cannot answer.
信息来源:DEV Community
教程 / 实战普通
Official Game Specs Lie. I Built an Agent to Prove It
This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real Content ...
信息来源:DEV Community
教程 / 实战普通
Model Context Protocol (MCP): The New Standard for AI Tool Integration
Ask an AI coding assistant to add a discount field to your checkout API and it will probably do a...
信息来源:DEV Community
教程 / 实战普通
The kiln bonus
Friday, before lunch Walt put his hat on the desk. That meant he wanted this over...
信息来源:DEV Community
教程 / 实战普通
StudyMate Offline: A Privacy-First AI Study Companion That Works Without Internet 🎓
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend StudyMate...
信息来源:DEV Community
教程 / 实战普通
One inbox for every Claude Code session on every machine
On a normal day I have somewhere between five and fifteen Claude Code sessions running. Some are on...
信息来源:DEV Community · Claude
教程 / 实战普通
Your agent loop has no cost ceiling. Here is the fix.
A runnable per-task token budget guard for agent loops, plus the routing and loop-detection rules that keep the cost bounded. Built while reading agent cost surveys and looking for where the ceiling should sit.
信息来源:DEV Community
教程 / 实战普通
How I built hands-free voice mode for my AI assistant: ffmpeg VAD, barge-in, zero npm packages
How I built hands-free voice mode for my AI assistant: ffmpeg VAD, barge-in, zero npm...
信息来源:DEV Community
教程 / 实战普通
One field in the request made our agent 3x cheaper and 8x faster
TL;DR. Reasoning models decide by themselves how long to think if you don't tell them. Our agent...
信息来源:DEV Community
教程 / 实战普通
RxShield — Clinical Prescription Guardian & Dashboard
A clinical medication guardian built for Grandma Eleanor featuring Gemma 2 AI, ElevenLabs voice narration, and an accessible Linear/Raycast dark theme.
信息来源:DEV Community
教程 / 实战普通
Your Transformation Isn't Failing. Your Evidence Is.
There's one question that quietly ends more transformation programs than bad architecture ever...
信息来源:DEV Community
教程 / 实战普通
Your coding agent just read your API keys. I built a local check so they don't reach the model.
Your coding agent just read your passwords and API keys. Its next request goes to OpenAI or...
信息来源:DEV Community · OpenAI
教程 / 实战普通
Claude Sonnet 5.5 Built a Kart Racer for My TV: 20 Prompts, 4 Players, Real Gamepads
Sonnet 5.5 built a split-screen kart racer in 12 prompts, Opus 5.5 made it playable on a TV in 8 more. Every prompt, every bug, the code.
信息来源:DEV Community · Claude
教程 / 实战普通
Udhaar-Khata: Voice AI Digital Ledger for My Father Using 100% Local Open-Weights (Gemma 2 + Whisper)
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I...
信息来源:DEV Community
教程 / 实战普通
Grok Build Hype vs Reality: A Look at Real User Reactions
Grok Build is xAI's terminal coding agent with Plan Mode and parallel agents. But real users report silent code changes, pricing gripes, and a benchmark gap.
信息来源:DEV Community · Grok
教程 / 实战普通
Qwen 3.6 Plus vs Claude Opus 4.6: Which One Actually Works in Production?
Qwen 3.6 Plus is free, fast, and ships 1M context. Claude Opus 4.6 costs more but handles hard agentic tasks better. Here's what actually matters.
信息来源:DEV Community · Qwen / Claude
教程 / 实战普通
Anthropic Left 512,000 Lines of TypeScript in a Public npm Package. Here's What Was Inside.
Anthropic exposed 512K lines of Claude Code via a missed .npmignore. Every hidden feature, background agent, YOLO flag.
信息来源:DEV Community · Claude
教程 / 实战普通
Cursor Shipped Composer 2. One API Call Told the Real Story.
Cursor launched Composer 2 without mentioning Kimi K2.5. A developer found the model ID in 24 hours. Here's the string.
信息来源:DEV Community · Kimi / Cursor
教程 / 实战普通
Flash-MoE: How to Run a 397B Model on a Laptop
Flash-MoE streams a 397B Qwen model from SSD on a 48GB MacBook at 5.5 tok/s. No cloud. Here's how sparse MoE activation makes this actually work.
信息来源:DEV Community · Qwen
教程 / 实战普通
PrepWise AI: An Open-Source Current Affairs Tutor for Exam Prep
What I Built & Who I Built It For My friend Geet is rigorously preparing for...
信息来源:DEV Community
教程 / 实战普通
Your system prompt is silently killing your prompt cache
A benchmark on DeepSeek. Moving roughly 30 tokens from the top of a system message to the bottom cut...
信息来源:DEV Community · DeepSeek
教程 / 实战普通
The brochure said 18 floors. The registration said 12.
This is a submission for the Sanity Challenge, Path One: Ship an Agent That Queries Real Content ...
信息来源:DEV Community
教程 / 实战普通
Claude Code's usage-limit auto-continue doesn't run in Remote Control sessions. Hooks resume them.
My Claude Code sessions stopped resuming after the 5-hour limit. Remote Control was the switch (docs, 2.1.289 code, my logs). The hooks that resume every session and keep a weekly reserve.
信息来源:DEV Community · Claude
教程 / 实战普通
Pani Kaisa Hai? A golgappa map that warns a neighbourhood about bad water, but only after a human checks
This is a submission for the Sanity Challenge, Path Two: Vibe-Code Something Strange What I...
信息来源:DEV Community
教程 / 实战普通
Stop Trusting Autonomous AI Agents with Unchecked Tool Access: Introducing Vark
As AI agents transition from text completion interfaces to autonomous execution loops, we’re giving...
信息来源:DEV Community
教程 / 实战普通
How to Build an AI Agent System That Researches 100 Blogs a Day (RSS, Google News, Reddit, YouTube)
A concrete walkthrough of the iHateReading research layer: RSS, Google News, Reddit, YouTube transcripts, URL hashing, LLM classification, and turning the pipeline into a content-ideas dashboard SaaS.
信息来源:DEV Community
教程 / 实战普通
I Integrated 20+ AI Models. The Hard Part Wasn't the AI.
When I integrated my first AI model, the whole thing felt almost ridiculously simple. There was an...
信息来源:DEV Community