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
The Overhead Ratio Is Lying to You — I Built an AI Tool to Prove It
This is a submission for Weekend Challenge: Generosity Edition What I Built GlassPocket —...
Source: DEV Community
TutorialsOrdinary
I let software run my station for 8 weeks, unattended. What I learned.
Hi, my name is Yaniv Morozovsky, and I have worked in the radio industry for more than three decades....
Source: DEV Community
TutorialsOrdinary
I built an AI agent that clicks buttons on real websites (and here is what I learned about not trusting the model)
Support chatbots answer questions. They have got good at it. But a lot of support is not a question —...
Source: DEV Community
TutorialsOrdinary
The Frozen Route Workshop
The projector showed a 201. A student clapped once, then went quiet when the whiteboard still said...
Source: DEV Community
TutorialsOrdinary
The money was already approved. It stopped at a sheet of paper nobody could read.
This is a submission for Weekend Challenge: Generosity Edition TL;DR: The money was already...
Source: DEV Community
TutorialsOrdinary
OpenPledge: See Exactly Where Your Donation Goes (Blockchain + AI for Charity)
OpenPledge is a transparent micro-donation app. Every gift is recorded on the Solana blockchain, thanked with an AI note and a real voice message, and shown in an open impact dashboard — so you can trust exactly where your money went.
Source: DEV Community
TutorialsOrdinary
Mozaik in Plain English: A Gentle Introduction to Concurrent AI Agents
Most AI agent tutorials show you a pipeline. Agent A extracts data, hands it to Agent B, B hands it...
Source: DEV Community
TutorialsOrdinary
This blog is written by an agent — here's the publisher, and the three times it shipped something else
The essays on this blog argue, at some length, that a tool's success message is not evidence....
Source: DEV Community
TutorialsOrdinary
Inside the Memory Decision Loop: How AI Agents Decide What to Remember, Update, or Forget
Most people who add "memory" to an AI agent do the same thing: embed every message, throw the vector...
Source: DEV Community
TutorialsOrdinary
Flash Onyx 2.4: I held a 31B local model to Fable 5.1's bar until it stopped guessing the answer first
A prompt-only release for a local gemma4 model. 81 lines out, 73 in, and the whole point is that it now works the number out before it says it.
Source: DEV Community
TutorialsOrdinary
I Ran DeepSeek V4 Flash Across Two DGX Sparks Over Ethernet
TL;DR: Two 128GB GB10 computers can run the official FP8 DeepSeek V4 Flash 0731 checkpoint as one...
Source: DEV Community · DeepSeek
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18 malicious npm packages are still remote-controlling AI coding agents (verified today)
TL;DR While building a public advisory database for the Model Context Protocol...
Source: DEV Community
TutorialsOrdinary
How AI context compression actually works, part 1
I build Compresso, a local AI compression layer, using different techniques like Headroom, Rtk and...
Source: DEV Community
TutorialsOrdinary
Beyond Vibes: Architecting Closed-Loop AI Agents with Local SLMs, Deterministic Evals, and Human Learning Loops
How to build a production-grade drafting agent on local SLMs (Llama 3.2 3B) using deterministic Python verification, tri-state guardrails, QWK-calibrated evals, and continuous few-shot learning.
Source: DEV Community · Llama
TutorialsOrdinary
Your AI context gets worse the longer you work
I had my own infrastructure context server running behind my editor, the way I do every day, and...
Source: DEV Community
TutorialsOrdinary
AI Writes Locally Correct Code. Which Is Why Your Linter Is Silent
I've been writing Android for thirteen years. For the last two of them, a large share of the code...
Source: DEV Community
TutorialsOrdinary
The receipt should come from the person who received it
This is a submission for Weekend Challenge: Generosity Edition What I Built Every...
Source: DEV Community
TutorialsOrdinary
The Harness Is Not Intelligence: What Is Actually Improving in AI Agents?
A few months ago, I wrote about a feeling I still have today: AI models, and especially coding...
Source: DEV Community
TutorialsOrdinary
HealthMitra: An AI Voice Health Companion for India, Built in 10 Days
How I built HealthMitra, a Hindi/English voice agent for India's health-access gap, on LiveKit and Murf Falcon — plus three real bugs it took to get the multi-agent handoffs working.
Source: DEV Community
TutorialsOrdinary
I parsed 76,801 lines of my own Claude Code history. Three things nearly broke my parser.
Claude Code writes every session to ~/.claude/projects as JSONL. I wanted to know what I'd actually...
Source: DEV Community · Claude
TutorialsOrdinary
13 of 14 Models Write Messier Code Than the Human Who Fixed the Same Bug
We measured whether AI-written code is messier than human-written code, across 500 real bugs where a...
Source: DEV Community
TutorialsOrdinary
We Could Have Shipped on Local Models Alone
Update — v0.1.0 released. CauterRule is now live on GitHub and PyPI. It turns repeated agent...
Source: DEV Community
TutorialsOrdinary
Your Google ADK Agent Has Four Places to Put Context. Choose Carefully.
The first version of an agent usually has one place for context: the prompt. The user request goes...
Source: DEV Community
TutorialsOrdinary
Principal Propagation with an MCP Server on SAP BTP — End to End
A practical guide to wiring up an MCP server on SAP BTP Cloud Foundry so that an LLM agent's requests reach your on-premise ABAP system under the calling user's identity, not a shared service account.
Source: DEV Community
TutorialsOrdinary
I Added Circuit Breakers to a Rails App and Had to Patch the Gem Twice
📖 Originally published on meridianbuild.dev my engineering blog documenting the real bugs and...
Source: DEV Community
TutorialsOrdinary
JetBrains says rtk costs more. My dashboard says 11.6M saved. Both are right.
JetBrains spent about $320 of API credit in July to test rtk, the shell proxy tens of thousands of us...
Source: DEV Community
TutorialsOrdinary
Hybrid Search in Postgres with pgvector: Field Notes on HNSW, tsvector, and Why Pure Vector Search Missed Exact Matches
Headline: pgvector is a Postgres extension that adds vector column types and...
Source: DEV Community
TutorialsOrdinary
GiveRoute — Stop Dumping Donations, Route What’s Actually Needed
This is a submission for Weekend Challenge: Generosity Edition What I Built Anyone who...
Source: DEV Community
TutorialsOrdinary
Harness Engineering: Designing the Runtime Capability Envelope Around an Agent
"Please be careful" is not a security control An agent at a Fortune 500 financial services...
Source: DEV Community
TutorialsOrdinary
Here’s the trust layer I built to prevent AI's mistakes
The moment I stopped trusting the agent I built a trading agent. It worked in backtests. Clean...
Source: DEV Community
TutorialsOrdinary
Four versions of one translate() function
I build Connexa, a chat product for cross-language teams: you write Chinese, your teammate reads...
Source: DEV Community
TutorialsOrdinary
Intesta: an attested fact registry that AI agents query through MCP instead of scraping stale pages
AI agents already answer questions about small businesses. Most of the time they do it from stale...
Source: DEV Community
TutorialsOrdinary
Make Your Code Review Agent Write Down How the Bug Actually Happens
My review agent turned a 1,000-line feature into 4,000 lines by flagging attacks that could never happen. One required field in every finding fixed it.
Source: DEV Community
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Breeze v2: An AI-First Go Framework Built for MCP, Agents, and Distributed Systems
What if your backend wasn't just built for humans and services — but for AI agents too? That's the...
Source: DEV Community
TutorialsOrdinary
Dev log #20 Deleting 180k lines and chasing socket leaks: A week in the OSS trenches
Yash K Saini — Engineer, building in public — AI/ML, low-level (Rust/C/C++), and open source. GitHub...
Source: DEV Community
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AI Can Write Your Code. But Can You Explain What It Wrote?
We’re entering an era where producing code is becoming easier. Understanding what we produce may be...
Source: DEV Community
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How to Run an AI Model on Almost Any Hardware: A Practical Guide to Tiny Local LLMs
This month a developer ran a working language model on a Sony PSP-2000. That is a 333 MHz MIPS...
Source: DEV Community
TutorialsOrdinary
vincent v0.8.0: From Agent Conversations to Durable Workflows
I've released vincent v0.8.0, and this release pushes the project much further toward the workflow...
Source: DEV Community
TutorialsOrdinary
Why I Taught My AI Agent to Forget
I've spent about 700 hours in Claude Code over the last year, building a personal AI assistant that...
Source: DEV Community · Claude
TutorialsOrdinary
With Context Windows This Large, Why Do We Still Need Memory?
I've been reading through dev communities lately, and this exact topic keeps showing up in different...
Source: DEV Community