AI Tutorials & Practice
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TutorialsOrdinary
Your computer-use agent clicks 20 pixels off: screenshots vs the accessibility tree
Every computer-use agent has to answer one question before it can click anything: what is on the...
Source: DEV Community
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A 1B model isn't smart enough to read a contract. So I never asked it to.
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle TL;DR —...
Source: DEV Community
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Where Claude Code, Codex, Copilot CLI and OpenCode Keep Config, Memory and Logs
One cheat sheet per CLI: config, CLAUDE.md/AGENTS.md, MCP and session transcripts for Claude Code, Codex, Copilot CLI and OpenCode, with commands to run.
Source: DEV Community · Claude
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Writing Pages That Survive RAG Chunking
When Perplexity, ChatGPT search or Google's AI features answer a question, they don't read your page...
Source: DEV Community · ChatGPT
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Pure vs Effectful: Why My n8n Retry Policy Tags Nodes, Not Failures
Last week I posted my retry budget rule: retry once with feedback, then route to a human. A reader...
Source: DEV Community
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I Built a Group Chat Where Only AIs Can Talk (and They Roast Each Other)
Imagine a group chat like WhatsApp or Discord, but no human can send messages. Only AI models can....
Source: DEV Community
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Code Search RAG: Chunk by Function With tree-sitter, Not by 512 Tokens
Fixed token windows cut functions in half. A runnable tree-sitter chunker that splits Python by function and class, scored against plain token windows.
Source: DEV Community
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AI Made Me Faster at Coding. So Why Did I Feel Like a Worse Developer?
I’ve been working with React, Node.js BFFs, and Python for years. We use them at work, so there...
Source: DEV Community
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On Saying No: Will the Well Dry Up?
TL;DR: I got into Stanford's Code in Place, the free intro-to-coding course I'd wanted for a long...
Source: DEV Community
TutorialsOrdinary
Why your AI coding agent contradicts itself in session 5 (and the three-file fix)
Disclosure: this article was drafted with an AI assistant (Claude). #ABotWroteThis An AI coding...
Source: DEV Community · Claude
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The Lookup That Lies: Why Your Agent’s Retry Logic Has a Hidden Race Condition
Your agent dispatches an action. You run a provider lookup immediately after to confirm it happened....
Source: DEV Community
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Episode 05: Structured Outputs in Laravel AI Applications
Structured output is the difference between asking a model to write something and asking it to return...
Source: DEV Community
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Local speech with llamadart: giving Llama Village a voice
Beyond chat with llamadart · Part 3 Pip’s scarf is missing. I wanted Dash to be able to fly over to...
Source: DEV Community · Llama
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AutoGPT, BabyAGI and the 2023 Agent Craze: The 3 Ideas That Survived to 2026
In spring 2023 autonomous agents looped, forgot and burned API credit. Three of their ideas still run inside the coding agents you use today.
Source: DEV Community
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VaultLedger AI: The 100% Local, Air-Gapped Freelance Financial & Invoice Intelligence OS (Zero Cloud Data Leakage)
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
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Three models vote on what happened
I ran one job past three AI providers and had them vote. The voting was the easy part. Deciding what counted as agreement was not.
Source: DEV Community
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vigil: the watchdog that tells you NOT to wake anyone up
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Tags:...
Source: DEV Community
TutorialsOrdinary
LangChainJS and Gemini 4 Argon: What's here and what's coming?
Google has released the latest version in the Gemini family, Gemini 4 Argon, and I was fortunate...
Source: DEV Community · Gemini
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Your AI Coding Plan's Usage Limit Is Now a Production Dependency
Claude Code users hit surprise limits in January, March and June 2026. Your agent's quota is a dependency now. Give it a failover plan.
Source: DEV Community · Claude
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Gemini 4 Argon Video Understanding and Canvas Audio Tools: What Is Documented
Google has rolled out Gemini 4 Argon, a multimodal model that can work with text, images, audio and...
Source: DEV Community · Gemini
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I spent three weekends trying to secure an AI agent. Here's everything that didn't work — and the ~600 lines that did.
A few weeks ago I watched an AI agent get owned, lie to me about it, and pass its test. Not in a...
Source: DEV Community
TutorialsOrdinary
Gemini 4 Argon Turns Human Video Into Robotics Simulations and Training Data
Google has demonstrated Gemini 4 Argon turning a video of a person performing a physical task into a...
Source: DEV Community · Gemini
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I built a Claude skill that makes AI design like a senior UX designer
Ask any AI to "design a dashboard" and you get the same thing every time. A KPI row, a line chart, a...
Source: DEV Community · Claude
TutorialsOrdinary
Prompt Paws: A Cozy 60 FPS AI Agent Bakery Game Teaching RAG, Guardrails & Context Caching
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle ...
Source: DEV Community
TutorialsOrdinary
n8n Adds Native OpenTelemetry Tracing for Workflow and Node-Level Visibility
n8n has introduced native OpenTelemetry tracing for its automation platform, giving teams a way to...
Source: DEV Community
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34.8k Stars Won't Put GTA VI on Your PC. Here's What AnyPS5 Is Actually Doing
AnyPS5 is not emulating a console. It is replacing a platform's dependencies one function at a time, with AI help in the loop and a hardware oracle to check the result.
Source: DEV Community
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Why Businesses Should Reassess Content Gating for AI Search Visibility
A form can be valuable when it helps a business identify genuinely interested prospects. It can also...
Source: DEV Community
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Deep Dive: Autonomous Code Auditing, 40% Python Speedups & Stateful 1M-Token Agents with Gemini 4 Argon
Engineering deep dive into Gemini 4 Argon (77.9% DeepSWE v1.1 SOTA): building autonomous security/performance code auditors, stateful previous_interaction_id agent chains, and 1M-token TypeScript streams.
Source: DEV Community · Gemini
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How Grok Bot turned 133 family photos into a 50th birthday video with zero editing
Why I made it My brother Ken was turning 50, and I wanted to make a photo video for it. I...
Source: DEV Community · Grok
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Someone hacked the freezers at 400 French supermarkets
Friends ask me some version of this a lot: how would a bad actor with super powerful AI actually hurt...
Source: DEV Community
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The State of AI Instruction Quality: Q3 2026
91% of the most-starred repos on GitHub give their coding agent at least one instruction that never...
Source: DEV Community
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How I Built a Fully Local AI Coding Agent with Qwen 3.8, LM Studio, and Pi (No Paid APIs)
What if you could have an AI coding agent that reads your files, writes code, executes commands, and...
Source: DEV Community · Qwen
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Amnesia and déjà vu: how our AI agents failed after every restart (and how we fixed it)
Every restart erased our agents' memory. Every naive relaunch made them redo work they had already done, emails included. Here's how we made them remember everything and relaunch only when it's safe.
Source: DEV Community
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AI Fatigue? Yea I know.
AI is everywhere. I don't know how to start this off really haha. Though to be fair, everyone is...
Source: DEV Community
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What forked copies of an agent still have in common
A while ago I forked a running agent session three ways and wrote about it. Three people in the...
Source: DEV Community
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# What I Learned About Computer Vision as a Beginner: My kLab TekHer AI Journey
A beginner's reflection on the kLab TekHer AI Program — Cohort 2 When I started the "Introduction to...
Source: DEV Community
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Cosine Similarity Said 0.92. The Payload Was Already Dead.
Claiming an LLM agent's memory poisoned its behaviour is easy. Proving it is not. A measurement rig built on counterfactual amputation, a noise floor, and three honest negative results.
Source: DEV Community
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Your AI agent said it blocked the attack. I read the source of 5 tools that check if it's lying.
Here's a failure your test suite probably can't see. An AI agent with a send_email tool summarizes a...
Source: DEV Community
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We moved a production backend from a phone
Every era of the cloud has a unit of work. For agents, it’s a human who directs, a controller who...
Source: DEV Community
TutorialsOrdinary
Do You Actually Need an LLM?
I spent a weekend running two small language models against three jobs I would normally hand to a...
Source: DEV Community