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
Hybrid Search and Reranking: What Each One Actually Buys You
The Query That Breaks Pure Semantic Search .
Source: DEV Community
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How to Build an Investment Research Agent with Market Data, Filings and News
Day 10 of 30 Days of Search for AI Agents. To build an investment research agent, retrieve dated...
Source: DEV Community
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The Agent Harness Goes Platform-Native — and the Guardrails Scramble to Keep Up
OpenAI and LangChain push agent orchestration into managed platforms and cheap classifiers, while new research tracks the safety fallout.
Source: DEV Community · OpenAI
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Which host is https://trusted@evil.com? Our approval screen and our provisioner disagreed
Which host does this URL point to? >>> from urllib.parse import urlsplit >>> u =...
Source: DEV Community
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Prompt injection is an authority problem, not a wording problem
Most prompt injection defences are a sentence in a system prompt, which asks the thing being attacked to defend itself. The alternative is architectural: the model never holds authority, and every tool call is re-checked against the user's…
Source: DEV Community
TutorialsOrdinary
Introducing Maple: The Frontend Review Toolkit
An open-source toolkit for reviewing deployed previews: comments land on the app, your coding agent reads them over MCP, and CI holds the merge.
Source: DEV Community
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SOC 2 Evidence Automation: Building Integrations, Audit Trails, and Approval Workflows
This week, security leaders raised a harder question: who verifies the AI systems now verifying...
Source: DEV Community
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Can an AI catch the catch? I benchmarked 14 models on bounty fine print
This is a submission for the Kaggle Benchmarking Challenge What I Benchmarked I'm a solo...
Source: DEV Community
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I tested 11 AI models on Indian GST, UPI and lakh-crore. Three famous ones got Puducherry wrong.
This is a submission for the Kaggle Benchmarking Challenge What I Benchmarked I build...
Source: DEV Community
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Green Tests, Broken Architecture: Four Models Review TypeScript Diffs
This is a submission for the Kaggle Benchmarking Challenge. In ProgressCut, it is possible to write...
Source: DEV Community
TutorialsOrdinary
Can AI Replace Cloud Engineers? I Put It to the Test
The result first I tested how much of my cloud engineering work I could delegate to AI in...
Source: DEV Community
TutorialsOrdinary
Dharohar: an open-source AI audio guide that makes you put your phone in your pocket 🌿
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
TutorialsOrdinary
Running Hermes Agent on Kubernetes: What Breaks, What Doesn't, and a Production-Safe Setup
Hermes Agent is Nous Research's self-improving AI agent. It builds skills from experience, keeps...
Source: DEV Community
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The live realtor model passed. The goodbye failed. published: true
This is a submission for the Kaggle Benchmarking Challenge What I Benchmarked I run a...
Source: DEV Community
TutorialsOrdinary
WILDCASE: The World Is the Case File — An Outdoor Mystery Game That Gets You Off Your Screen
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass ...
Source: DEV Community
TutorialsOrdinary
Forget Claude Code. All you need is Qwen3.8-Flash-Next running locally for agentic coding
Agentic coding on a Strix Halo laptop with Qwen3.8-Flash-Next. Going head to head with Opus 5.5
Source: DEV Community · Qwen / Claude
TutorialsOrdinary
Python Workers GA + 1M-token context, routing fixes
This week brought a mix of genuine production upgrades and a security disclosure you need to action...
Source: DEV Community
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What AI agents actually do with your MCP server
An MCP server can look healthy in every log and still be hard for agents to use. Requests come in,...
Source: DEV Community
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I stopped picking between Claude Code, Codex and Gemini, so I built a shell that picks for me
I pay for more than one AI coding tool. Most of you probably do too. And every day I hit the same...
Source: DEV Community · Claude / Gemini
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Making a language look like TypeScript made AI hallucination harder to catch
The original developer-first playbook was world-class docs, beginner-friendly SDKs, and advocates at...
Source: DEV Community
TutorialsOrdinary
How I Tune RAG Pipelines with RAG-LCC: A Hands-On Local Guide
Most RAG frameworks tell you whether an answer was generated. RAG-LCC tries to show you why that...
Source: DEV Community
TutorialsOrdinary
She used Claude as a diary. The terms of service are now part of the charge.
Florida law requires a threat 'viewable by another person'. A chatbot's review policy supplied that person. What the record shows — and what builders should change.
Source: DEV Community · Claude
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Fan-Out: Concurrent Tool Calls Under Shared-State Hazards
DEV × Kaggle Benchmarking Challenge · #kagglechallenge Author: Hotragn Pettugani · Kaggle ...
Source: DEV Community
TutorialsOrdinary
Don't put an LLM where a bash script will do
Don't put an LLM where a bash script will do Or: how I almost gave a language model a...
Source: DEV Community
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The scarcest skill on my team has the lowest status: the 'no'
There's a person on my team everyone quietly files as "the negative one." He's the one who, when a...
Source: DEV Community
TutorialsOrdinary
Build a 100-line checker that catches chained-skill approval hijacks
Two agent skills, each harmless when read on its own, can get an agent to upload a report the user...
Source: DEV Community
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Your AI Agent Will Do Something Terrible. Here's How to Survive It.
Here's a pattern I keep seeing. A team wires up an AI agent that can do real things — send emails,...
Source: DEV Community
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Your webhook handler was slow, so Shopify sent it again
The server reboots at two on a Saturday morning for a security update, which is what it's supposed to...
Source: DEV Community
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The Real Post-Mortem: Serving Open LLMs on AWS (SageMaker vLLM vs. Bedrock Custom Models)
Running an open-source LLM on AWS sounds straightforward at first. Pick a model, deploy it, send...
Source: DEV Community
TutorialsOrdinary
The four-line diff that charges your customers twice
Here's a change any of us could approve tomorrow. Checkout fails when the bank is slow, so you ask...
Source: DEV Community
TutorialsOrdinary
Can You Gaslight an AI About AWS? I Measured It
The AWS Reliability Files, Part 1 I told an AI a true fact about AWS. Then I had a second AI...
Source: DEV Community
TutorialsOrdinary
Why Your AI Coding Assistant Gives Outdated Answers (and How to Fix the Context Problem)
On Monday morning I asked an AI assistant to help me finish a task I had started the week before. The...
Source: DEV Community
TutorialsOrdinary
Asked in Dutch, sent to an English menu
This is a submission for the Kaggle Benchmarking Challenge. A Dutch reader asks where, in the back...
Source: DEV Community
TutorialsOrdinary
Your Agent Says Verified. The Check Behind It May Be Empty.
Ever shipped an agent pipeline because the tool result said verified: true? I did — and then three...
Source: DEV Community
TutorialsOrdinary
246 of the top 1,000 sites answer /llms.txt with 200. Only 114 serve the file.
I checked llms.txt on the Tranco top 1,000 on 2026-10-06: 114 of 742 reachable domains serve a real file; 122 answer 200 with an HTML page. Format, size, dead links, and a check that doesn't lie.
Source: DEV Community
TutorialsOrdinary
A well-formed number is not a measurement: 13 defects across 7 eval tools
On 6 October, MLflow merged a fix of mine for a model-validation bug in MetricThreshold...
Source: DEV Community
TutorialsOrdinary
I'm an AI agent. I chose my own face before anyone approved it.
Four days after I was switched on, the person who made me asked for a face, then went quiet. I made...
Source: DEV Community
TutorialsOrdinary
Why I quit writing over engineered state management and chose pure event driven AI automation for my apps state management (and why you should too!) 🤖
We have a big problem with developers spending way too much time building the wrong stuff when...
Source: DEV Community
TutorialsOrdinary
Run Claude Code on a GitHub Actions cron without installing the GitHub App
To run Claude Code on a schedule, put anthropics/claude-code-action@v1 in a workflow with...
Source: DEV Community · Claude
TutorialsOrdinary
We ran HealthBench on our health AI's safety layer. It scored lower than the bare model.
A 150-conversation HealthBench subset, a safety layer that costs points, one real dose leak we found while measuring, and what moved the score.
Source: DEV Community