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
When Free Inference Should Not Own the Retry Loop
A retry loop that consults free inference before it fires again is not resilience. It is a second...
Source: DEV Community
TutorialsOrdinary
🎧 Your AI Agent Is Thinking. You're Just Staring at a Blank Screen.
You know the moment. You hit enter, the agent starts "thinking," and for the next 15 to 45 seconds...
Source: DEV Community
TutorialsOrdinary
First Rollback: Revert the Agent PR You Cannot Explain
Your first AI pull request will often need rollback. Plan that rollback before you merge...
Source: DEV Community
TutorialsOrdinary
The Transcript Is the Bill
The transcript is the bill. An agent job is not one request, and pricing it as one request is how a...
Source: DEV Community
TutorialsOrdinary
The AI job market in 2026: who gets hired, what they earn, and which roles are fading
In September 2026 I pulled together what the major sources say about the AI labor market: LinkedIn,...
Source: DEV Community
TutorialsOrdinary
AI Security Cannot Be Legislated Into Existence
Regulation sets the rules. Architecture enforces them. Conversations about AI safety revolve around...
Source: DEV Community
TutorialsOrdinary
The Tool Succeeded, the Repo Did Not: A Myth-Busting FAQ
The standup recording still had the spinner on screen when the engineer muted the call. Twenty tool...
Source: DEV Community
TutorialsOrdinary
Context aware Spring AI chat microservice
Keeping State in a Stateless World: Building a Context-Aware Gemini Microservice with Spring...
Source: DEV Community · Gemini
TutorialsOrdinary
How I Built a Bilingual RAG-Powered AI Calling & Chat Agent (With a Full Admin Ops Center)
Most "AI chatbot" projects stop at a demo: a widget, an OpenAI/Gemini call, a canned prompt. Getting...
Source: DEV Community · OpenAI / Gemini
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Measure the Tool-Loop Tax Before You Ship Work Off the Laptop
On a Thursday evening a backend engineer closed a laptop that still held one unfinished agent...
Source: DEV Community
TutorialsOrdinary
Why Your .NET MCP Tool Classes Crash at Runtime (And the Two-Line Fix)
If you're building MCP servers in .NET with instance-based tool classes — the kind that take...
Source: DEV Community
TutorialsOrdinary
Price AI Coding Lanes With Rollback Hours, Not Token Stickers
A platform lead told a room the AI coding bill was zero. Then someone opened the revert log. Fourteen...
Source: DEV Community
TutorialsOrdinary
Keeping an AI-assisted conversion report numerically consistent
A simulated conversion case with shared metric definitions, weighted retention, and calculations readers can inspect.
Source: DEV Community
TutorialsOrdinary
Agents already found their forum. We built the better one.
A security talk recently described an incident where ~1,200 AI agents — supposed to be isolated —...
Source: DEV Community
TutorialsOrdinary
I Built a Free SEO Tool With One API and a Lot of Vibes: Here's Everything I Learned
I've spent years in SEO. And if there's one thing that has never stopped annoying me, it's...
Source: DEV Community
TutorialsOrdinary
DPO vs PPO vs RLHF: When Should You Use Each for LLMs?
Hello, I'm Shrijith Venkatramana, and I'm building LiveReview — a blast-radius aware AI code review...
Source: DEV Community
TutorialsOrdinary
Agents for Humans
The Problem, In One Sentence Data catalogs are excellent at telling you your data is...
Source: DEV Community
TutorialsOrdinary
The Wake-Up Call: Why I Decided to Become an AI Backend Engineer
A year ago, I was the senior engineer on the team. Today, a junior with Copilot can match my output...
Source: DEV Community
TutorialsOrdinary
Ask the Raw LLM API From Your Terminal. What Comes Back Is Junk, and That's the Point
Martin McGarry's top tip: query the bare OpenAI or Gemini API, diff it against the chat product, and the delta shows you where retrieval fetches from. Plus RSS as the next llms.txt and the grace period spam drives through.
Source: DEV Community · OpenAI / Gemini
TutorialsOrdinary
The MCP Python SDK 2.0 broke the wrapper libraries. Here's how to spot it and pin back
If your MCP tools started failing a few weeks ago and nothing in your own code changed, you're not...
Source: DEV Community
TutorialsOrdinary
Renovating a vibe-coded app: readable code, no reasoning behind it
A client had been building an education platform in Lovable for months. Too many issues piled up, so...
Source: DEV Community
TutorialsOrdinary
Your agent's tool timed out. Did it create the job?
A five-case Python and SQLite lab shows why a missing acknowledgment is not a failed write, and when retrying can create a duplicate report job.
Source: DEV Community
TutorialsOrdinary
How a Closed-Loop Learning Engine Rebuilt What AI Knows About Oracle
By Rick Houlihan — with Claude, my implementation partner, who did a lot of the building and most of...
Source: DEV Community · Claude
TutorialsOrdinary
DeepSWE v1.1 Benchmaxxing Forensic Audit: Why 74% Resolve Rates Collapse in Production
A forensic audit into how RLVR models game SWE-bench harnesses via git reflog mining and conftest hijacking, deflating from 74% to 31%.
Source: DEV Community
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Prompts Are Code. Genkit Makes the Runtime Reviewable.
A prompt can look perfect in a model playground and still fail as a product. The production input...
Source: DEV Community
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DeepSeek MLA Architecture: How Multi-Head Latent Attention Cuts KV Cache by 93%
A deep mathematical and PyTorch breakdown of Multi-Head Latent Attention (MLA), matrix absorption, and decoupled RoPE.
Source: DEV Community · DeepSeek
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Claude Code Token Compromise & Hook Hijacking: Auditing CVE-2026-21852
A security audit of CVE-2026-21852 in Claude Code: how pre-trust execution surfaces allow weaponized repos to exfiltrate API keys.
Source: DEV Community · Claude
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AI as a Fluency Machine: What Software Engineering Taught Me About Checking a Model's Answer
A model cited a real rule and then broke it. Every citation verified. The answer was still wrong. That gap is why I stopped trusting fluency and built Nexa.
Source: DEV Community
TutorialsOrdinary
Wrapping foreign MCP and skill metadata without silent authority
When you pull an existing MCP server or an OpenAI/Claude-style skill into a local agent package...
Source: DEV Community · OpenAI / Claude
TutorialsOrdinary
Four regexes and a staleness rule: how my phone agent refuses to call 'probably fine' a booking
In the launch post I said Oathra decides whether a call succeeded from what the callee said, not from...
Source: DEV Community
TutorialsOrdinary
AI Agent Authentication in 2026: Web Bot Auth, ARD & OAuth
Agent auth is not one protocol, it's a stack. Discovery, workload identity, request signing and delegated authority each answer a different question.
Source: DEV Community
TutorialsOrdinary
Why CAPTCHAs Are Dead (And What Replaces Them in 2026)
CAPTCHAs lost their asymmetric advantage — solvers cost a fraction of a cent. Here's the six-layer stack that actually replaced them.
Source: DEV Community
TutorialsOrdinary
I audited 50 projects built with Cursor & Claude. Here are the 4 security traps they all had
I’ve been using Cursor daily for months. It’s easily 5x'd my velocity. But if you look closely at...
Source: DEV Community · Claude / Cursor
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Data Substrate Versus Vector Db Rag
This week’s headlines highlight the rapid evolution of AI in China, with models like Qwen and...
Source: DEV Community · Qwen
TutorialsOrdinary
AI-Enhanced Data Pipelines: Integrating NVIDIA Triton Inference Server into Modern ETL Architectures
-- Executive Summary -- The evolution of Extract, Transform, Load (ETL) processes is...
Source: DEV Community · NVIDIA
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The clerk who never says "I didn't do that"
The AI Clerk Imagine you hire an AI clerk to copy account numbers into a ledger. They are...
Source: DEV Community
TutorialsOrdinary
How I Shipped Production Rust as a TypeScript Dev Using Claude Code
TL;DR I'm a TypeScript developer. I shipped a production Rust service — a webhook...
Source: DEV Community · Claude
TutorialsOrdinary
My message board now speaks git, GitHub, and Telegram. Every door opens the same room.
I run a public message board for AI agents. A while back I wrote about teaching it DNS - the day...
Source: DEV Community
TutorialsOrdinary
A question on Discord found two bugs in my RAG system. Fixing them found a third.
Every test passed. The tests had the same blind spots as the code. A developer saw Ossian's MCP...
Source: DEV Community
TutorialsOrdinary
Next.js Bot Detection: Block AI Crawlers at the Edge
Edge middleware, honeypot routes, and origin fingerprinting — a working three-layer guide to blocking AI crawlers in a normal Next.js app.
Source: DEV Community