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
One Month In: The Number That Finally Moved Wasn't the One I Expected
This blog turned one month old this week. I'd built a habit of checking four dashboards every few...
Source: DEV Community
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I Told a PR Nothing Would Break. Qodo Checked.
Every PR description is a claim. "No consumers of this API were changed." "Safe to merge." Most...
Source: DEV Community
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Think smaller: why specialist SLMs beat frontier models in production
Most agent tasks do not need a frontier model. The subtasks inside a production agent are largely...
Source: DEV Community
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A decorrelated bot that loses money is just a diversified way to lose money
probe
Source: DEV Community
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I built a self-hostable AI data analyst — 4 agents, sandboxed code execution, your choice of LLM
Every time I needed to explore a dataset quickly, the same wall appeared: spin up a notebook, deal...
Source: DEV Community
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AI Coding Tip 037 - Stop Patching Blind
Old code, new AI, same unwritten test suite. TL;DR: Patch code that never had a test written for...
Source: DEV Community
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Build a Multi-Agent RAG Legal Assistant with LangGraph, FastAPI, and Streamlit (Beginner Guide)
Retrieval-Augmented Generation (RAG) sounds complex, but the core concept is straightforward: instead...
Source: DEV Community
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Keeping credentials out of your coding agent’s model context
I always had a slightly bad feeling about the credentials my coding agent could access. Did I secure...
Source: DEV Community
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A Transaction Hash Is Not an Audit Trail for Onchain Automation
A transaction hash tells us that something happened onchain. It does not tell us which information...
Source: DEV Community
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I built ChibiRigKit: turning a single character image into an animated 2D rig
I built ChibiRigKit, an open-source tool that turns a single character illustration into an animated...
Source: DEV Community
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EU Child Safety Panel Report Signals Stricter Rules and Age Verification Direction
The European Commission has received the final report from its Special Panel on Child Safety Online,...
Source: DEV Community
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Did canceling the agent stop the GPU job?
The agent stopped the training run. The GPU cluster did not. Agent Evaluation Case #003 ...
Source: DEV Community
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How to Build a Fast Decision Layer for AI Agents with TypeSafe Jev
Most AI agent architectures use the same large language model for every task: planning, writing, tool...
Source: DEV Community
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Keyword Research with AI Agents and Google Search Console
Keyword Research with AI Agents and Google Search Console Manual keyword research is slow...
Source: DEV Community
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8 of my AI agent's 30 test calls failed. Every one was my fault.
The record said there was a gas leak. It did not say where. { "urgency": "emergency", ...
Source: DEV Community
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What Did You Deliberately Leave Out of Your MVP?
What Did You Deliberately Leave Out of Your MVP? Most MVP posts show what made it into...
Source: DEV Community
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From Quantity to Quality: A Risk-Based Approach to AI-Assisted QA at Scale
We write more tests than ever, yet bugs still reach production. This post introduces a risk-based...
Source: DEV Community
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Jev is now open to everyone: what a "System One" model costs, and how to start with $5 in free credit
Intro: Jev launched Sep 15 and drew a 140k waitlist in days. On Sep 20 TypeSafe removed the waitlist...
Source: DEV Community
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I built a community tool because my browser bookmarks went to die. Now, I need your help to scale it.
Let’s be honest: we all have a graveyard of bookmarks. Every time I see a cool open-source CLI tool...
Source: DEV Community
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3 Developer Archetypes That Can Break a Team
There are developers who make a team faster. There are developers who make a team better. And there...
Source: DEV Community
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The Curiosity Gap: Why We've Stopped Asking Questions
In a comment some weeks ago (link) i wrote about how it doesn't matter if you are using AI or not, or...
Source: DEV Community
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BMAD Ate My Month: When Spec-Driven Development Is Too Much
On September 5 I deleted 1,782 files from my autopilot's repository in one commit. Agents, templates,...
Source: DEV Community
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Fine-Tune, Deploy and Use LLM As AI Agent
In this video I continue the fine-tuning series on my channel. This time I go through the whole...
Source: DEV Community
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TrustNotch: tamper-evident audit logs for AI agents (that your agent can sign up for by itself)
The first time an agent I built did something I could not explain, I went to check what it had...
Source: DEV Community
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Your MCP Tool Just Returned a Secret. Did It Need To?
“Done. Here's the download link.” A perfectly ordinary answer from an AI agent. Also the moment a...
Source: DEV Community
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Claude Code Hooks – Safety Through Invariants
Info: This is a later upload of an introductory post I made a few months ago. 1...
Source: DEV Community · Claude
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Deploying Snowflake Cortex Agent and Knowledge Graph with ServiceNow MCP Server
Introduction ServiceNow provides a feature called MCP Server. It allows various...
Source: DEV Community
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Treat streamed LLM output as an uncommitted draft
I'm a developer working on Paramour.chat, an LLM roleplay app where, of course, exchanges need...
Source: DEV Community
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Two Weeks In: A 15-Year QA Veteran, Back to Being the New Guy
I started last Monday. Today it's been exactly two weeks. Here's the funny part. I've spent 15...
Source: DEV Community
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Cheap RAG in Go with Gemini File Search: no vector DB, two calls, one hosted store
Hello, I'm Maneshwar, and I'm building LiveReview — a blast-radius aware AI code review built for...
Source: DEV Community · Gemini
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Your AI eval is green because it never called the model
We run an eval suite on every PR. Seven fixtures, four metrics, deterministic, no API key, no...
Source: DEV Community
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Mistakes I Made Building My First Full- Stack AI App
A brutally honest reflection of my experience with rate limits, hallucinating prompts, and deployment...
Source: DEV Community
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Apex Bestiary: a living cryptid archive powered by Sanity
This is a submission for the Sanity Challenge, Path Two: Vibe-Code Something Strange. What...
Source: DEV Community
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Stochastic Parrot or Alien Mind? What Really Is An LLM?
Note: This article is a developer-focused adaptation of my original blog post in Italian. You can...
Source: DEV Community
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Resisting Mode Gravity: Why Bigger LLMs Produce Mediocre Output
Why swapping in a frontier LLM still yields polite boilerplate. Deconstructing Mode Gravity, the triple lock-in flywheel, Differential Diffing, and Model vs. Harness decoupling.
Source: DEV Community
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Designing an eval harness for prompt-injection detection: what measuring my defenses actually taught me
Designing an eval harness for prompt-injection detection: what measuring my defenses...
Source: DEV Community
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I interviewed the people who rejected me. Here's what their hiring process is actually optimizing for.
Last week I wrote about getting rejected from a job for "relying on AI" in the coding round — by an...
Source: DEV Community
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How to Keep AI-Generated Code Maintainable After 6 Months
AI can help you write code incredibly fast. That part is no longer surprising. The harder question...
Source: DEV Community
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Managing the Hidden Overhead of AI Software Engineering
There is a scene that is becoming more and more common in software development right now. You have...
Source: DEV Community
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I built a Magic rules agent, then tried to prove it wasn't guessing
Submission for the DEV x Sanity Challenge, Path One. What I Built JudgeStack answers...
Source: DEV Community