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
How to Ship a PoC Fast Without Getting Burned Later
Most PoC pain comes from a demo quietly becoming production. Seven rules for moving fast, and how to decide whether to stop, rebuild or harden it.
Source: DEV Community
TutorialsOrdinary
Automating Support with AI: From a User's Question to a Response
How to assemble context for an LLM, handle its response, and decide when to call another model or a human agent. Part one of a series on automating support with AI.
Source: DEV Community
TutorialsOrdinary
AI tools should do the boring work first
I spend most of my time building products for people who run online stores. My name is Arel Aslan. I...
Source: DEV Community
TutorialsOrdinary
Your probe set is a traffic class: how to audit model substitution without tipping off the swap
A few days ago I published two ways to prove which model answered you: client-side probes and...
Source: DEV Community
TutorialsOrdinary
The AI Productivity Paradox: Build to Learn vs Build to Earn
Why AI speeds up output without improving outcomes, and a simple model to fix it. Here...
Source: DEV Community
TutorialsOrdinary
Take Claude Code Above Average: Let Antigravity Review It
In November 2026, I spent a day building a small tool with Claude Code: a bridge that lets a second...
Source: DEV Community · Claude
TutorialsOrdinary
On-page GEO explains 2.8% of citation variation. Retrieval explains 32%. My null result was not a fluke
Last week I published a calibration study showing that my tool's GEO score does not predict whether...
Source: DEV Community
TutorialsOrdinary
Open-weights models: A case (and first step) for Gemma over Gemini for budget & privacy
TL;DR: Gemini is the premier frontier model (family) from Google DeepMind. In the current...
Source: DEV Community · Gemini
TutorialsOrdinary
I Let AI Reverse Engineer a GBA ROM. It Found the Gravity, Not the Jump
I have one of those retro multi-game consoles with thousands of Atari, Master System and SNES games...
Source: DEV Community
TutorialsOrdinary
Build without limits - SDLC Briefing, #5
Hi! I am Ricardo Sueiras, leading SDLC transformation at Indicium AI. That means I get to work with...
Source: DEV Community
TutorialsOrdinary
Prompt injection isn't a prompt problem. It's an authorization problem.
A lot of security reviews of AI features start and end in the same place: the system prompt. Someone...
Source: DEV Community
TutorialsOrdinary
How a World Model Differs From an LLM, and Why You Want Both
I gave Claude the heater room from the last two posts and expected a plausible story. It fitted the physics and beat my world model, until the world model borrowed Claude's physics. What each one is for, measured.
Source: DEV Community · Claude
TutorialsOrdinary
Google AI Classroom Part 1: Solving the $25-Per-Exam Problem — Architecting a Sub-$0.02/Student Serverless AI Classroom with Gemini 4 & Firebase
Author: Cyrus Wong (黃俊彥) — Google Developer Expert - Cloud (AI), Senior Lecturer at HKIIT ...
Source: DEV Community · Gemini
TutorialsOrdinary
Your Agent Is Only as Good as Your Codebase
Coding agents copy what they find. In a tangled repo they copy the tangle. Here's why structure changes what an agent writes, and what RayStack's new dev-refactor skill does about it.
Source: DEV Community
TutorialsOrdinary
We Moved to a Bigger Model to Debug the Test. Then We Went Back to the Smaller One.
From the agentpolicy v0.1.0 release: a local-first, Cedar-based policy decision point for AI agents...
Source: DEV Community
TutorialsOrdinary
Why Your AI Agent Is Brilliant for 20 Minutes and Then Starts Lying
The first twenty minutes, my agent was perfect. It read the repo, found the failing service, drafted...
Source: DEV Community
TutorialsOrdinary
Breaking My Own Agents #1: I Fed 5 n8n Workflows 30 Malformed Inputs. 102 of 150 Runs Failed Silently
My n8n lead qualifier sent a "🔥 Hot lead (85)" alert to Slack for a form whose message field was four...
Source: DEV Community
TutorialsOrdinary
Serving a stateful video world model on one RTX 4090: memory, flags and seeds in Hy-Nomas
Hy-Nomas keeps a video world between calls. On one RTX 4090 a turn took about 90 s, two decode flags ran out of memory, and Ada was required.
Source: DEV Community
TutorialsOrdinary
Claude Code Leaked 2,539 Secrets Onto GitHub. I Checked My Own Repos the Same Morning
I found out about it the way you find out about most things that ruin your morning: a link in a group...
Source: DEV Community · Claude
TutorialsOrdinary
What a passing test score didn't tell me about my AI agent
The eval suite said 17 of 18. Reading the transcripts showed a made-up email address and a model that never cached its prompt.
Source: DEV Community
TutorialsOrdinary
78 Claude Code runs on three tickets: the spec mattered more than the model
Current coding agents are good enough that "just describe the ticket" usually works. So is writing a...
Source: DEV Community · Claude
TutorialsOrdinary
Voice Robot for Outbound Calls: A Latency Budget from ASR to TTS
A voice robot that confirms appointments can be perfectly accurate and still feel broken. The...
Source: DEV Community
TutorialsOrdinary
Build Buddy, Day 2: two AI fixes, both compiled. Here's what the compiler found
Day 2 of MLH Global Hack Week: Builders Week. Yesterday my tool Build Buddy fixed 6 of 6 simple C#...
Source: DEV Community
TutorialsOrdinary
How we let an AI read production databases without trusting it
Every engineering team knows this ticket: "I was charged twice." Someone stops what they're doing,...
Source: DEV Community
TutorialsOrdinary
I built a bridge so AI agents can order groceries in Hinglish, and can't order without your yes
Haat translates between the Personal Agent Protocol (Poppy) and ONDC/Beckn. Notes on Indian-language parsing, an approval gate, and why 'unknown' is not 'failed'.
Source: DEV Community
TutorialsOrdinary
I checked every quote Claude's deep research cited. One wasn't what the source said.
AI research tools are good at sounding sourced. Every paragraph ends with a link, every key point...
Source: DEV Community · Claude
TutorialsOrdinary
The Compiler Trusts the Graph: An Adversarial Evaluation of a Toy ML Compiler
The Compiler Trusts the Graph: An Adversarial Evaluation of a Toy ML Compiler Abstract....
Source: DEV Community
TutorialsOrdinary
I replayed two weeks of Claude Code transcripts to see what my parallel sessions did to each other
For two weeks I ran Claude Code the way a lot of people now do: several sessions at once, usually one...
Source: DEV Community · Claude
TutorialsOrdinary
"Done" wasn't done: the AI kept describing the work instead of checking it
The most important lesson from building ParkEase with an AI wasn't about code. It was about one word:...
Source: DEV Community
TutorialsOrdinary
"When a Comment Calls Itself 'Known,' My Reviewer Didn't Buy It"
My CLAUDE.md in this repo has one line near the bottom that I don't fully control: "after your work...
Source: DEV Community · Claude
TutorialsOrdinary
"I Could Not Build the Condition Where My Agent Didn't Know Today's Date"
A trending post this week described an agent that had the correct timestamp sitting right in its...
Source: DEV Community
TutorialsOrdinary
Can You Actually Build a Useful Agent Team Without Code?
This came up in Chinese AI developer communities recently: a post claiming that anyone, not just...
Source: DEV Community
TutorialsOrdinary
I built a daily GitHub AI leaderboard — 3 things nobody tells you about star counts
I'm a solo developer in China. In August I got annoyed enough by AI tool directories to build my own,...
Source: DEV Community
TutorialsOrdinary
OpenAI Posted 722 Math Papers. Who Checks the Checker?
On Oct 6, OpenAI put 722 mathematics manuscripts online, and only one had a human edit before...
Source: DEV Community · OpenAI
TutorialsOrdinary
Reverse Prompt Injection: When the Environment Hijacks Authority (Part 3)
Reverse Prompt Injection: When the Environment Hijacks Authority (Part 3) In Part 1, I...
Source: DEV Community
TutorialsOrdinary
AI SDK 7.0.163 Added Two Stream Parts in a Patch Release. My Exhaustive Switch Stopped Compiling
Upgrading ai from 7.0.162 to 7.0.163+ adds ping and steering-message to TextStreamPart, so an assertNever switch over fullStream stops compiling. Tested fix and runtime behavior.
Source: DEV Community
TutorialsOrdinary
bisect2-1794189432390-1
A 30-day case study of four coding agents on one repository, and what to pin instead of writing...
Source: DEV Community
TutorialsOrdinary
bisect-1794189340324-1
A 30-day case study of four coding agents on one repository, and what to pin instead of writing...
Source: DEV Community
TutorialsOrdinary
probe-t4-full-unfenced-1794189257860
Liquid syntax error: 'raw' tag was never closed
Source: DEV Community
TutorialsOrdinary
Your Read-Only Bot Isn’t Read-Only Safe
Somebody on r/kubernetes asked the question properly this week: what should a read-only debugging bot...
Source: DEV Community