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
Before AI Moves Money: The Eval Gate I Built for AutoKon
Most AI features fail quietly. A summary is a little off, a label is wrong, a suggestion gets...
Source: DEV Community
TutorialsOrdinary
Holdfast: a webhook safety net where Gemma explains what broke and code decides what happens
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
TutorialsOrdinary
LedgerGone: Local WhatsApp Khata & Receipt Auditor for Kirana Stores using Multimodal Gemma 3 and TigerData
What I Built Small Kirana (mom-and-pop grocery) and hardware shopkeepers in India receive...
Source: DEV Community
TutorialsOrdinary
I built an offline Mongolian drafting tool for border-town merchants. Here's where it breaks.
What I Built merchant-ai-draft — an offline CLI that takes a merchant JSON file (Chinese...
Source: DEV Community
TutorialsOrdinary
Wiring auth + Stripe + streaming AI chat into one Next.js starter (what I learned)
Wiring auth + Stripe + streaming AI chat into one Next.js starter Every time I started an...
Source: DEV Community
TutorialsOrdinary
A Timeout Is Not a Retry Signal
A Timeout Is Not a Retry Signal An agent asks a deployment provider to start a release....
Source: DEV Community
TutorialsOrdinary
Why LLM Code Reviewers Fail at Architecture—And How We Fixed It with a 9ms FalkorDB Knowledge Graph
The Friday Afternoon Outage Story It was 4:15 PM on a Friday when an engineer on the...
Source: DEV Community
TutorialsOrdinary
Sentinel: Test Your AI Visibility Fixes Before You Ship Them
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
TutorialsOrdinary
Moving from Claude Haiku 4.5 to 5.5: what changed on the same 100 prompts
Claude Haiku 4.5 leaves the model picker in the Claude apps on October 29, and Haiku 5.5 takes its...
Source: DEV Community · Claude
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Change Guardian: the AI agent that finds what your IT map forgot
Built for Graph Hacks 2026 by WeMakeDevs and FalkorDB. Demo video: https://youtu.be/FjRZv8ZxBCE · Try...
Source: DEV Community
TutorialsOrdinary
Everything You Need to Know About Agents
"Agent" is one of the most overused words in software right now. It can mean a chatbot with a few...
Source: DEV Community
TutorialsOrdinary
I Built an NDA-Safe Proposal Scoper That Runs Gemma on My Laptop
ScopeLock is a local-first RFQ and proposal scoper for freelancers. It runs Gemma locally via Ollama, grounds every requirement in verbatim quotes, does pricing in deterministic code, and proves zero content egress.
Source: DEV Community · Ollama
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I built a GST invoice checker that runs on a laptop, and it caught its own AI's mistake
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
TutorialsOrdinary
NLP with .NET
NLP with .NET A deep-dive walkthrough of Natural Language Processing for .NET developers —...
Source: DEV Community
TutorialsOrdinary
I measured open vs closed models on my own product, and open weights won one and lost one
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Disclosure:...
Source: DEV Community
TutorialsOrdinary
AI QA-Assistant for Freelance Audio Transcribers (Hacktoberfest Week 2)
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle I built...
Source: DEV Community
TutorialsOrdinary
Udhaar Khata: The Notebook Behind the Counter
Udhaar Khata: The Notebook Behind the Counter What I Built In almost every...
Source: DEV Community
TutorialsOrdinary
How I built an Autonomous Voice Healthcare Agent on FalkorDB that actually saves lives
Late last month, I was talking to a doctor friend who works near Varanasi. He told me something that...
Source: DEV Community
TutorialsOrdinary
4 Ways a Shell Variable Slipped Past Claude Code's Permission Checks
Four Claude Code fixes in six days for permission checks a shell variable could slip past. Run the bash and zsh lines that show why text matching loses.
Source: DEV Community · Claude
TutorialsOrdinary
Produzir Ficou Barato, Saber Ficou Caro: O Que o Proud Tech Summit 2026 Revela Sobre a Fronteira Entre Protótipo e Produção
Acompanhei a transmissão online do Proud Tech Summit 2026, evento organizado pela Starian e pela...
Source: DEV Community
TutorialsOrdinary
My AI agent remembers *when* it believed things — valid-time memory on FalkorDB
My AI agent remembers when it believed things — valid-time memory on FalkorDB Built for Graph Hacks:...
Source: DEV Community
TutorialsOrdinary
The Narrow Sidewalk: Where Developers Stand When Agents Write the Code
When coding agents such as Claude Code and Codex became good enough to take whole tasks, the first...
Source: DEV Community · Claude
TutorialsOrdinary
I Built Rehearse to Sell A Voice-First, Local-First AI Interview Coach
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
TutorialsOrdinary
HIVE Robots Tests VR-Trained Humanoids for Overnight Retail Work in Denmark
HIVE Robots is testing humanoid robots for overnight shelf replenishment in a Føtex supermarket in...
Source: DEV Community
TutorialsOrdinary
From Messy WhatsApp Chits to GST Invoices in 15s — Local AI with Ollama & Qwen 2.5
BahiPilot: The Local-First AI Back Office for Bharat's Wholesalers This is a submission...
Source: DEV Community · Qwen / Ollama
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Closing a Terminal Sends Your Coding Agent SIGHUP. How Session Hosts Keep It Alive
Close the window and your agent dies. The kernel hangs up the pty, your shell relays SIGHUP. Reproduce nohup, disown, setsid and tmux with ps and sleep.
Source: DEV Community
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Auditly: the shopkeeper talks, the ledger writes itself
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
TutorialsOrdinary
Best AI UI Design Tools I Wish I Had Found Earlier in My Career
Early in my career, I spent hours on work that had nothing to do with design thinking. I rebuilt the...
Source: DEV Community
TutorialsOrdinary
Why Vector RAG Fails Blast-Radius Questions (and the 4-Hop Cypher Query That Fixes It)
Why Vector RAG Fails Blast-Radius Questions (and the 4-Hop Cypher Query That Fixes It) By...
Source: DEV Community
TutorialsOrdinary
DukaanVoice PK — Offline-First AI Shop Register for Pakistan's Kiryana Stores
An offline-first, multilingual point-of-sale and shop register for Pakistan's roughly 3 million...
Source: DEV Community
TutorialsOrdinary
How we built a PEP Screening API with 19,408 records and x402 payments
We recently launched a free PEP (Politically Exposed Persons) screening API. Here's how it works and...
Source: DEV Community
TutorialsOrdinary
Recall 33 stores, not 71: building a food recall agent on a FalkorDB graph
When a supplier reports a contaminated lot, which stores have to pull it? We built an AI agent that...
Source: DEV Community
TutorialsOrdinary
ScopeShield: Stop Working for Free — NDA-Safe Scope-Creep Auditor
Target DEV title: ScopeShield: I Stopped Working for Free with Gemma + TabPFN (and Kept Client Data...
Source: DEV Community
TutorialsOrdinary
The Discerning Mind: What AI May Never Reach
You do it dozens of times a day, and you almost never notice. You glance at a photo and something in...
Source: DEV Community
TutorialsOrdinary
Claude Haiku 5.5 Bills 5x for Prompts Over 100K Tokens. A Node Guard That Counts First
Haiku 5.5 charges 5x once a prompt passes 100,000 tokens. A TypeScript guard that counts first, trims chunks, logs the billed tier and fails CI.
Source: DEV Community · Claude
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I built a Claude Code workflow that finds jobs, tailors my CV and fills the forms
Handoff is an open-source, local-first job-hunt workflow for Claude Code. It does the tiring chores and stops before anything that can't be undone.
Source: DEV Community · Claude
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The Junior Who Never Read a Stack Trace
AI didn't make our new developers worse. It made them unfinished, and nobody noticed until production did.
Source: DEV Community
TutorialsOrdinary
RepoBuddy: Paste a GitHub Repo, Get Your First Contribution in Minutes (Gemma 4 + Graphify)
Paste a GitHub repo, Graphify maps it into a knowledge graph, and open-weight Gemma 4 tells you where to start, how it's built, and what to contribute first.
Source: DEV Community
TutorialsOrdinary
“Simple site hai, 15k mein ho jayega na?” I built Panga so freelancers stop saying yes too fast
This is a submission for the Hacktoberfest Open-Source AI Challenge: Week 2: Side Hustle. It's 9:41...
Source: DEV Community
TutorialsOrdinary
I built a WhatsApp shop assistant that runs on a CPU-only laptop. The hard part was getting it to say "I don't know."
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community