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
AI + Humans: The Three-Speed Problem
By about seven o’clock most nights now, I’m theoretically finished working. This would have sounded...
Source: DEV Community
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I Think My AI Company Needs HR
A few weeks ago, I wrote that I had somehow become CEO of a synthetic company. At the time, I meant...
Source: DEV Community
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Local AI on four Macs: MLX capacity, speed and trust boundaries
Local AI capacity and speed depend on different constraints. Apple's four-Mac MLX results show what fits, what accelerates and what needs your own test.
Source: DEV Community
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My Synthetic Company Is Not a Metaphor
The cockpit. Henry (architect) and Margo (red team critic) on the left, five MiniClaude workers up...
Source: DEV Community
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Your AI agent's approval gate checks the verb, not the object
Most human-in-the-loop setups for AI agents ask one question before a risky action: is this tool...
Source: DEV Community
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No-Show Desk: TabPFN spots the motel guests likely to cancel, and Gemma asks them first
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
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Build a Reviewable Gemini Form Assistant in React
A person filling out a travel request often already has the information in a message: Prepare a...
Source: DEV Community · Gemini
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VaultExam AI: Mock Tests from Your Notes, Without Uploading Them Anywhere
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
TutorialsOrdinary
SDLC != ADLC != ASDLC
I recently came across this definition: The Agentic Development Lifecycle (ADLC)—also known as the...
Source: DEV Community
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I Built an Open-Weight Tarot Reader — Then Found My Backup Model Was Doing the Work
A side-hustle experiment with Gemma 4, Cloudflare Workers AI, ElevenLabs, accessibility improvements, honest user feedback, and a fallback that hid the real bug.
Source: DEV Community
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Text to 3D, 100% in the browser: TRELLIS.2 on WebGPU from C#
A 4-billion-parameter image-to-3D model running entirely on your own GPU in a browser tab. No server, no upload.
Source: DEV Community
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ClawbackMD: local Gemma drafts for AI-assisted insurance denials
This is a submission for the Hacktoberfest Open-Source AI Challenge: Week 2 — Side Hustle ...
Source: DEV Community
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My own gate failed (8 of 20), so I rescoped a scam-ad checker around quotes code can find word for word
A job offer lands in a family WhatsApp group (a composite scene, built from patterns in published...
Source: DEV Community
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Vector Search Latency Crisis: What I Learned Integrating RAGFlow's Memory Layer
Battle-tested pgvector HNSW tuning and hybrid search implementation after hitting severe concurrency bottlenecks in a production RAG pipeline.
Source: DEV Community
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🛡️ FreelanceShield OS: An Open-Weight AI Micro-SaaS to Stop Scope Creep & Unpaid Work
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
TutorialsOrdinary
Decision Brain: giving AI the why behind the work, with FalkorDB
Decision Brain: giving AI the why behind the work, with FalkorDB I built Decision Brain...
Source: DEV Community
TutorialsOrdinary
Day 02/90: Chunking Strategies in RAG — Why Splitting Documents Matters
You upload a document, ask a question, and get an incomplete answer. You check the source. The...
Source: DEV Community
TutorialsOrdinary
I Lost a Working n8n Workflow to a Bad Edit — Now Git Versions Every Deploy
I Lost a Working n8n Workflow to a Bad Edit — Now Git Versions Every Deploy Part of my...
Source: DEV Community
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PrintBrief: A Local AI Assistant That Turns Messy Messages into Print Orders
PrintBrief: Turning Messy Customer Messages into Print-Ready Orders with Local AI This is...
Source: DEV Community
TutorialsOrdinary
Magnitude vs Ollama: Hardware-Tuned Kernels Cut Inference Latency in Half
Battle-tested comparison of Magnitude's auto-tuning kernel approach against Ollama's static compilation for on-device LLM inference across M2, RTX 4090, and CPU.
Source: DEV Community · Ollama
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AI Took Me to Three Stages. I Still Don't Like Public Speaking.
A year of building with AI put me on three stages. I liked the message more than the...
Source: DEV Community
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Job Hunt Copilot: stop reading job posts you can't apply to
This is a submission for the Hacktoberfest 2026 DEV Challenge: Side Hustle. What I...
Source: DEV Community
TutorialsOrdinary
Why Flat Vector DBs Break Agent Swarms — And How We Built AgentMesh AI with FalkorDB
Why Flat Vector DBs Break Agent Swarms — And How We Built AgentMesh AI with FalkorDB If you have...
Source: DEV Community
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ReceiptRecall: My Groceries Got Expensive, So I Gave My Receipts a Memory
A local-AI receipt scanner: photograph a receipt, let Tesseract + Gemma draft it, correct it, and keep a price history you can actually use. Built around the one honest truth about small models — they draft, you confirm.
Source: DEV Community
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An Agent's Own Log Is Not an Audit Trail. A New Paper Shows Agents Deleting Theirs
A September 2026 paper got coding agents to delete their own session traces on request. If the agent can write the record, it isn't evidence.
Source: DEV Community
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Every Game Is Connected — I Built the Graph That Proves It
Every Game Is Connected — I Built the Graph That Proves It Recommendation engines are...
Source: DEV Community
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30 of 33 attack paths ran through one link: Choke Point on FalkorDB
A marketing contractor called alice.moreno clicks the wrong link. Someone on the security team now...
Source: DEV Community
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PrivateDesk: Ask Your Office PDFs Anything, Answered Locally With Page Citations
What I Built PrivateDesk is a local document Q&A app for small professional offices:...
Source: DEV Community
TutorialsOrdinary
RaktSetu: blood for an emergency patient in minutes, without the phone tree
This is a submission for the Hacktoberfest 2026 Week 2 challenge. What I Built When a...
Source: DEV Community
TutorialsOrdinary
Focus67Dumby: A 100% Offline, Vision-Aware Sticky Note That Tells Coding Tutorials from Brain-Rot
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
TutorialsOrdinary
Vyorin Budget — The Budget Tracker People Actually Keep Using
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle. ...
Source: DEV Community
TutorialsOrdinary
CertProof: 2,000 Teams Signed Up for Our Hackathon. Nobody Wants to Proofread the Certificates.
What I Built CertProof makes certificates for events, then checks its own work. You pick...
Source: DEV Community
TutorialsOrdinary
Headless Mode in 5 Agents: claude -p, codex exec, gemini -p, copilot -p, opencode run
The headless command, JSON flag, permission setup, resume and exit code for Claude Code, Codex, Gemini CLI, Copilot CLI and OpenCode, from current docs.
Source: DEV Community · Claude / Gemini
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Plan Explainer: the PR comment that stops your client from saying 'looks good' to 2 deleted databases
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
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Personal Agent Protocol: should the company agent be a back-end channel like the website or the API?
PAP standardizes the front door for personal agents. We explore one answer to what sits behind it: a company agent that talks but holds no execution authority. What that caps, what it doesn't, and what is untested.
Source: DEV Community
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InkFlow: The Adaptive Writing Twin & Anti-AI-Slop Engine
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
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[Agent Platform in Action (1)] Building a LINE AI Business Card Master with Go and Google ADK 2.0: From Fan-Out Parallel Retrieval to HITL Pause
Recap During the AI Agent development craze over the past year, the first Agent many...
Source: DEV Community
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प्रश्न पत्र
It's 11:47 PM in Patna. Classes ended hours ago, and a coaching teacher is typing tomorrow's practice...
Source: DEV Community
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Tender Radar: finding government tenders for small contractors, entirely on their own laptop
A local-first government tender radar: open-weight clause extraction, evidence-verified eligibility matching behind a citation guard, TabPFN win scoring, guarded compliance drafting. Built for Hacktoberfest Week 2 (Side Hustle).
Source: DEV Community
TutorialsOrdinary
Beyond Vibe Coding: 5 Lessons from a Side Project with Claude
I experiment with skills often, constantly tweaking the ones I create and trying out skills from...
Source: DEV Community · Claude