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
Recall Sloth: nobody reads recall notices, so Gemma 4 reads 3,411 of them in your browser
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady ...
Source: DEV Community
TutorialsOrdinary
I Read All 3 Physical AI Toolchain Launches So You Don't Have To
Within seven days, three different companies handed developers a physical AI toolchain. NVIDIA...
Source: DEV Community · NVIDIA
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AI Agents Just Paid Real Invoices. Here's the 5-Protocol Payment Map
Sources: Visa press release · fintechnews.sg coverage · pinkwallet: x402 vs AP2 vs ACP · inriver:...
Source: DEV Community
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When Coding Agent Guides Help, Hurt, or Do Nothing
Should I delete my CLAUDE.md? Before doing that, I wanted to know which parts an agent still needs....
Source: DEV Community · Claude
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Supabase vs Appwrite vs Nhost: I built two apps with Claude Code
If you let Claude Code build an app on your backend and never mention security, where does it put the...
Source: DEV Community · Claude
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I Explored Respan Gateway: A Plugin-First, Open-Source LLM Gateway
Every time I connect an application to a new LLM provider, I run into the same problem: how much...
Source: DEV Community
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Compline: The Radical Laziness of Sleep — Building an Offline Gothic Sanctuary with Gemma 2, a Real-Time 3D Astrolabe, and Vinyl Crackle
This is my submission for the Hacktoberfest Open-Source AI Challenge, Week 3: Slow and Steady. 🦥 I'm...
Source: DEV Community
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Shelf: sorting Downloads offline with a 23 MB open model
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady ...
Source: DEV Community
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My Laptop Is Too Slow to Chat With an AI, So I Gave It the Night Shift
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady ...
Source: DEV Community
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Your Agent Aced the Task. Will It Do It Again?
Your agent works in rehearsal, but during the live demo, it takes a different path and fails the same...
Source: DEV Community
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GPQA Diamond Has 198 Questions: What the Hugging Face Leaderboard's 115 Rows Can and Cannot Rank
An audit of the Hugging Face GPQA Diamond leaderboard: 115 unverified rows, 198 questions, and which open-model gaps survive sampling noise.
Source: DEV Community · Hugging Face
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The Model Is Not a Security Boundary: What Two Semantic Kernel CVEs Teach About Gating Tool Arguments
Two critical Semantic Kernel CVEs (CVSS 9.9) turned prompt injection into code execution and file writes. Tool-argument gates in Python, tested.
Source: DEV Community
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Every Test Passed. Then the UI Got Thrown Out.
At 1:31 AM, the automated checklist reached its final item. Eight checks: seven passed, one was...
Source: DEV Community
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My notes were dying in folders, so I built an infinite canvas that keeps them arguing
I counted my desktop folders last month. Forty-three. The naming scheme had evolved from "research"...
Source: DEV Community
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Why I Picked NixOS for a 24/7 Home AI Server, and the 5 Gotchas That Bit Me During Install
Building a 24/7 unattended AI server as a local-LLM playground, I dropped my original plan of Arch and went with NixOS. Here is why I chose declarative config and rollback, and — on a Blackwell GPU (RTX 5090), basically zero-precedent pion…
Source: DEV Community
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Is Cursor Safe? I Checked the Security Settings of Cursor, Postman and Claude (Electron Fuses)
Cursor scored 0/6, Postman 1/6 and Claude 6/6 on Electron security hardening. What it means, whether Cursor is safe, and how to check any Electron app in one command.
Source: DEV Community · Claude / Cursor
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Polymarket TWAP Convergence: Short-Term Price Dynamics
Explore Polymarket TWAP convergence, spot-price divergence, volatility, and short-duration market...
Source: DEV Community
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Four big local LLMs on one RTX 5090 and 128 GB of RAM, benchmarked side by side
One RTX 5090, 128 GB of RAM, and four open models from 125B to 748B parameters. Over the past weeks I...
Source: DEV Community
TutorialsOrdinary
Stablecoins just got their rulebook - and the paperwork that follows can't go into a chatbot
Today, October 21, 2026, the US Office of the Comptroller of the Currency published the final rule...
Source: DEV Community
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A 10-Domain Security Review Checklist for AI Agents
Most AI agent reviews focus on the model. The interesting failures happen at the boundaries: the tool...
Source: DEV Community
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The free upgrade that raised your bill
Originally published at three.dev. Somewhere in your company there's a line on last month's invoice...
Source: DEV Community
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DeepSeek V4.1 Flash on 8 B300: vLLM vs DeepInfer, 600K+ tokens/s
DeepSeek has open-sourced DeepInfer, the engine behind its own production service. We put it head to...
Source: DEV Community · DeepSeek
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How to make Codex review Claude Code's commits: done means, house rules and round rules
In my last post I showed the basic loop: Claude Code writes in its own worktree, Codex reviews the...
Source: DEV Community · Claude
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Idempotency keys for AI agents: why hashing the arguments doesn't work
When an agent replays a run, the model rewrites the email and the hash changes. Here's why idempotency keys must come from stable intent, never from generated content.
Source: DEV Community
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Perplexity Red-Teamed Its Agent Sandbox: The VM Held, the Network Didn't
TL;DR On September 23, 2026, Perplexity's Secure Intelligence Institute published...
Source: DEV Community
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From Pilot Purgatory to Agentic Chaos: Why Medium Enterprises Keep Breaking Their Own SDLCs
Somewhere between 200 and 2,500 employees sits the most dangerous company size in tech right...
Source: DEV Community
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Erasing text from manga in the browser, without an inpainting model (and where that ran out)
imgtranslator.com translates the text in an image and redraws it in place: a menu, a product photo, a...
Source: DEV Community
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Best Preview Environment Tools for Kubernetes
TL;DR: The best tool depends on how it isolates each pull request, and what that costs in licenses...
Source: DEV Community
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FlipCheck: snap a thrift find, get a fair price and a ready listing (Gemma 4 + TabPFN)
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Posted after...
Source: DEV Community
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State of AI Instruction Quality: Coding Agent Comparison
Claude Code, Codex, Copilot, Cursor and Gemini are the five coding agents in the Q3 report. We...
Source: DEV Community · Claude / Gemini / Cursor
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GPTBot vs OAI-SearchBot vs ChatGPT-User: What to Block (and Keep)
I almost broke my own site's AI discoverability with a copy-paste. Last week I grabbed one of those...
Source: DEV Community · ChatGPT
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I was too lazy to write CTF challenges, so I built a local AI that writes, compiles, and checks its own
My submission for the Hacktoberfest Open-Source AI Challenge: Week 3 — "Slow and Steady." 🦥 Repo:...
Source: DEV Community
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ReadOnce: I wanted less rereading, so I kept the model's mistake visible
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady. ...
Source: DEV Community
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Your Platform Engineering Investment Is Not Paying Off. Here's Why.
Building an internal platform is only half the job. The real return comes when developers trust it,...
Source: DEV Community
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Part 2: From Docker Compose up to Terraform on AWS, and the CI That Checks It
Part 1 ended with a pipeline that turns HL7 v2 into FHIR R4 and runs on a laptop with make demo. This...
Source: DEV Community
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Your Downloads Folder Is a Mess. I Built a Gemma AI That Fixes It — and Has an Undo Button.
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady I never...
Source: DEV Community
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SlothPilot: The Autonomous Overnight Multi-Agent Command Center (Because Developers Deserve 8 Hours of Sleep)
This is a submission for the Hacktoberfest 2026 Week 3 DEV Challenge: Slow and Steady "Channel...
Source: DEV Community
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How I Built a $0 Blog That Gets 100k Views
The blog cost me zero dollars and it gets about a hundred thousand views a year. Both of those are...
Source: DEV Community
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5 Best LLM Gateways
As AI applications move from prototypes into production, managing model access becomes a different...
Source: DEV Community
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My TTS kept stressing Russian words wrong. The bug was one line that deleted the answer.
I run a reading site for language learners. Every line of every story has audio, generated with...
Source: DEV Community