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 built an open-source personal web memory for coding agents
I kept saving things I knew I would need later: a GitHub repository, a Reddit answer, a post on X, a...
Source: DEV Community
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Diary of a Shrimp Keeper: My OpenClaw (mis)Adventures
I. Why OpenClaw? The First Choice: NanoBot In January 2026, as news about...
Source: DEV Community
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A Folder Shouldn't Be Able to Run Code Just Because I Opened It
I came across a security bug recently that I haven't been able to stop thinking about, mostly because...
Source: DEV Community
TutorialsOrdinary
Clean code didn't get less important in the AI age — it got more important
Most of the code in my day to day now flows through an agent before it lands in a diff. You'd think...
Source: DEV Community
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Why AI Coding Agents Still Get APIs Wrong Even When They Have Documentation
AI coding agents have gotten very good at writing code. But APIs are still a surprisingly easy place...
Source: DEV Community
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I asked 5 AI models whether AI is making humanity weaker. All 10 said weaker. Then evidence entered the room.
I run an experiment series on my own AI setup: same model, same task, two isolated runs — one bare,...
Source: DEV Community
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Add AI search to existing application
How to add semantic search to an existing app using an embedding model and pgvector ...
Source: DEV Community
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Vibe Coding Isn't the Problem. Calling It Engineering Is
Let's Address the Elephant in the Room Again Vibe coding has always been a weird topic to...
Source: DEV Community
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I Built a Mac Menu Bar App Because I Kept Saying "Wait, What?" in Every Meeting (Live Demo 🚀)
Someone on a Zoom call said a URL yesterday. I was still writing down the previous bullet point. By...
Source: DEV Community
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I wanted JetBrains-style Git in VS Code, so we built Git Brain 🧠
TL;DR for humans and robots 🤖 Git Brain is a visual Git GUI for VS Code, Cursor and other...
Source: DEV Community · Cursor
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Neural Networks Explained: From Inspiration to Implementation
Neural networks are one of the most important ideas behind modern AI. They power applications such as...
Source: DEV Community
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I Built KIRA: A Local-First AI Agent That Has to Prove Its Work
Disclosure: I am the maker of KIRA Superapp and Orchestrator V1. This is a technical build story, not...
Source: DEV Community
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The Physical Limits of AI: GPU Exhaustion, The 151M Token Heist, and The 38GW Power Wall
For the last three years, the AI narrative has been simple: scale compute, add parameters, collect...
Source: DEV Community
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Agentic AI in 2026: From Chatbot to Autonomous Coworker
Two years ago, "AI" in most products meant a chat window that answered questions. In 2026, it means...
Source: DEV Community
TutorialsOrdinary
I Sell Memory APIs. I'm Also Building the Benchmark. Here's How I'm Trying Not to Rig It.
Hey everyone. This time I'll go through what got me started on this benchmark, and the core of how...
Source: DEV Community
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Joint weight‑harness optimization approaches fine‑tuned model performance
Alternating updates of model weights and executable harnesses can reach accuracy on par with full...
Source: DEV Community
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Self-hosting a social publishing stack: what actually broke
I set up a self-hosted scheduler to publish a 30-day content campaign across eleven platforms....
Source: DEV Community
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The Purple Gradient Problem: Why AI UI All Looks Alike (and How to Fix It)
You can spot it in about three seconds. A product shows up in your feed. Before you've read a single...
Source: DEV Community
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I made two AIs review each other's code for 30 days. A human still caught the bug in 5 minutes.
Last month I let AI write 100% of my code for 30 days. The single loudest lesson wasn't "AI is...
Source: DEV Community
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"Gen-Alpha is Cooking": Why 12 and 13-year-olds are out-shipping adults with zero budget.
"Gen-Alpha is Cooking": Why 12 and 13-year-olds are out-shipping adults with zero...
Source: DEV Community
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I tested 31 MCP servers for contract compliance. Only 3% passed.
MCP has outputSchema so agents can validate tool results. But does the schema actually reject a wrong...
Source: DEV Community
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AI Is Already Better at Coding Than Most Developers. So Why Would a Company Still Hire You?
AI can write a React component in seconds. It can create an API, design a database schema, write...
Source: DEV Community
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Your Own Agent Roadmap — From Safety Net to Autonomous Discovery
This is chapter 10 of my book **Building Autonomous AI Agents with Claude Code* — a field guide to...
Source: DEV Community · Claude
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Spider 2.0 deleted a claim I made this morning
title: Spider 2.0 deleted a claim I made this morning published: true tags: sql, ai,...
Source: DEV Community
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AI Agent Memory: Sliding Windows, Summaries, and Vector Storage
The agent we built in Post #4 has one big problem — the moment the script ends, it forgets...
Source: DEV Community
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Your First AWS Production Architecture: From a Simple Application to a Scalable System
Most people learn AWS by studying individual services. EC2 does this. S3 does that. RDS is a...
Source: DEV Community
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Data Classification Without Turning It Into Bureaucracy
Data Classification Without Turning It Into Bureaucracy Data classification is easy to...
Source: DEV Community
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Your Codebase Needs AX Now: Designing Developer Experience for AI Coding Agents
Next.js benchmarked AI coding agents on real Next.js issues. But the thing that caught my attention...
Source: DEV Community
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I built a radio station with one listener, and it runs in a terminal
The film above is 86 seconds, and the middle of it is a real on-air moment. There is a longer...
Source: DEV Community
TutorialsOrdinary
From SkillCheck to TraceMantle: Tracking Agent Skill Changes and Test Evidence
Why I expanded SkillCheck into TraceMantle to track agent skill packages, supporting files, and the test evidence used to approve changes.
Source: DEV Community
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When a Zero-Parameter Cache Overtakes a Transformer
A count table over the current document has no parameters and no training. Somewhere between 60 and 250 tokens of document it passes a 1.43M-parameter transformer, and by 1000 tokens it wins top-1 by 0.064, a 43% relative margin. Adding th…
Source: DEV Community
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Beneficial Intelligence (BI): An Open Architecture for Cognitive Scaffolding and AI Alignment
Defensive Publication: System and Architectural Framework for Beneficial Intelligence...
Source: DEV Community
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The CFO's AI Playbook: 5 Finance Automations Every Indian Business Should Run in 2026
Finance automation India 2026: 5 AI automations every CFO runs — bank reconciliation, cash application, real-time P&L, GST prep, expense categorization.
Source: DEV Community
TutorialsOrdinary
The Book of Frankie
For a programming language to become successful, or at least known to more than 2 people, a book is...
Source: DEV Community
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Decoding the LLM's 'Subconscious': Building Implicit Risk Control via NLP Semantic Parsing
Decoding the LLM's 'Subconscious': Building Implicit Risk Control via NLP Semantic...
Source: DEV Community
TutorialsOrdinary
The reply-length check existed for three weeks. The batch a human flagged never touched it: guarding the wrong path
On 2026-09-05 the owner of our shop looked at three replies the agent was about to send and asked a...
Source: DEV Community
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tokeneff: An Open-Source LLM Cost Meter That Runs Locally
Most LLM dashboards show you the bill after the damage is done. You run a coding agent for an...
Source: DEV Community
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I kept watching ARMY get scammed for BTS tickets, so I built open-source agent skills for it
Every comeback, every tour announcement, the same thing happens. Presale codes drop, tickets vanish...
Source: DEV Community
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React Native vs Flutter in 2026: Which Should Your Startup Choose?
If you are planning a mobile app, one of the first technical decisions is the framework. In 2026 the...
Source: DEV Community
TutorialsOrdinary
Open Source 𝐓𝐫𝐚𝐝𝐢𝐧𝐠 𝐒𝐢𝐠𝐧𝐚𝐥 𝐒𝐞𝐫𝐯𝐞𝐫
LLMs can become useful analysis assistants when they have structured data and real‑time market...
Source: DEV Community