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DEV Community · Technology

How I Used AI ~MultiAgent~ Simulation to Fix My Ad Messaging

From Guessing to Knowing: How I Used AI Agent Simulation to Fix My Ad Messaging A UX researcher's experiment in synthetic audience intelligence — and what it taught me about my own product. The Honest Problem I had ads. Good ads, I thought. They were clean. They hit the fe...

Luis Vargas 14 hours ago

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DEV Community · Technology

We raised $6.5M to kill vector databases... and it's been exactly 4 weeks. Here's what's actually happening.

Four weeks in. Here's what we shipped for devs: 5 lines from install to production retrieval: from hydra import Hydra h = Hydra(api_key=...) h.ingest(docs) # vector + graph, auto h.retrieve(query) # tuned, not stitched No embedding pipeline to maintain. No Neo4j schema to babysi...

Harnoor Singh 14 hours ago

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DEV Community · Technology

How to Get Your Website Recommended by ChatGPT

When users ask ChatGPT to recommend a tool, a restaurant, or a service, the model draws from the websites it has crawled and the knowledge it has accumulated. Getting your site into those recommendations is not about gaming the system — it is about making your site genuinely easy for AI models to un...

Johan 14 hours ago

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DEV Community · Technology

From Pixels to Predictions: Data Pipelines and Training the Sequence Model (Part 2)

In Part 1 of this series, we introduced the architecture of the asl-to-voice translation system—a five-stage pipeline designed to turn real-time webcam video into spoken English. But a machine learning model is only as good as the data it learns from, and in the world of computer vision, raw video...

Bright Etornam Sunu 15 hours ago

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DEV Community · Technology

Cloudflare como capa de inferencia para agentes: lo que promete y lo que me preocupa

Hay una creencia instalada en la comunidad dev que dice que distribuir la inferencia de IA cerca del usuario es, por definición, bueno. Más velocidad, menos latencia, mejor experiencia. Y sí, en abstracto tiene sentido. El problema es que "distribuido" y "descentralizado" no son sinónimos, y hay una...

Juan Torchia 15 hours ago

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DEV Community · Technology

Qwen3.6-35B-A3B corre en mi laptop y dibuja mejor que Claude Opus 4.7

Estaba probando modelos locales para reemplazar algunas llamadas a la API de Anthropic — costo, latencia, privacidad, las razones de siempre — cuando le pedí a Qwen3.6-35B-A3B que me dibujara un pelícano en ASCII art. Lo que apareció en la terminal me hizo hacer un doble-take. Copié el prompt exacto...

Juan Torchia 15 hours ago

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DEV Community · Technology

I Built a Real-Time Notification System Inspired by Accra Traffic

I want to start this with something that has nothing to do with code. If you've been in traffic in Accra, Ghana — specifically at one of those busy intersections with police officers manually directing — you've probably experienced this: one officer clears their side and cars start moving. But nobod...

Ebenezer Lamptey 15 hours ago

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DEV Community · Technology

I Built an App That Listens to Your Garden and Tells You What's Disappearing. 🌍

I Built an App That Listens to Your Garden and Tells You What's Disappearing 🌍 This is a submission for Weekend Challenge: Earth Day Edition What I Built I opened my window in London on a Thursday evening and just... listened. House sparrows. A robin somewhere in the distanc...

Tombri Bowei 15 hours ago

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DEV Community · Technology

My Study Guide for the Microsoft Certified Azure Databricks Data Engineer Associate Beta Exam

My study guide for the Microsoft Certified Azure Databricks Data Engineer Associate beta If you are preparing for the Microsoft Certified Azure Databricks Data Engineer Associate beta, this guide is for you. I wanted to put together something more useful than a surface level checklist. My...

Renaldi 15 hours ago

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DEV Community · Technology

TELMED AI DOCTOR

Liquid syntax error: Tag '{% https://github.com/CMARV7/telmed-ai-doctor %}' was not properly terminated with regexp: /\%\}/

Marvelous Chinwendu 15 hours ago

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Hacker News · Technology

How to Host a Blog on a Subdirectory Instead of a Subdomain

Article URL: https://www.davidma.org/blog/2025-11-14-host-your-blog-on-a-subdirectory/ Comments URL: https://news.ycombinator.com/item?id=47811442 Points: 7 # Comments: 4

taikon 15 hours ago

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DEV Community · Technology

SOLID's Packaging Principles Are Jointly Unsatisfiable

If you know a software architect, a professor who teaches SOLID or packaging principles, or anyone who takes design principles seriously — I'd appreciate you sharing this with them. The argument needs to be challenged by practitioners and researchers alike. A companion paper showed that ISP is a...

Yannick Loth 15 hours ago

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DEV Community · Technology

Per-page OG images on an Astro site, without the SaaS

Every page on dacforge.com now has its own Open Graph image. The services hub has one image. Each of the ten service pages has its own. Each blog post has its own. The about page, the privacy page, and every other public URL on the site has a distinct card that shows up when someone pastes the link...

DacForge 15 hours ago

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TechCrunch · Technology

Sam Altman’s project World looks to scale its human verification empire. First stop: Tinder.

World, which has raised eyebrows (but also a lot of interest) with its Orb-centered anonymous verification project, is looking to expand its influence via a bevy of new partnerships.

Lucas Ropek 15 hours ago

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DEV Community · Technology

I Built a Tool That Shows Why Your Resume Gets Rejected (And It Hurt to Test It on Mine)

I kept thinking my resume was solid. Good experience. Decent structure. Relevant skills. But I wasn’t getting responses. So I tried something different — I did a line-by-line comparison between my resume and job descriptions. That alone exposed a lot: Missing keywords I assumed were obvious Wea...

Vikesh 15 hours ago

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DEV Community · Technology

Mastering Git & Github (12 most useful Git commands)

🌱 Introduction Most devs say they know Git because they can push projects to github. I’ve seen the opposite. They know just ENOUGH git to break projects confidently. A git add . here, a quick commit there… trusting AI agents and suddenly the project turns into something nobody wants...

Programming with Shahan 15 hours ago

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DEV Community · Technology

How I Built a Free Inbox Placement Test with Node.js and SSE

The Problem I've been doing B2B cold outreach for 5+ years. The #1 blind spot? ESPs confirm SMTP delivery — status 250, "message accepted." But they never tell you which folder your email actually landed in. Your campaign could have a 0% open rate not because of bad copy, but because eve...

live-direct-marketing 15 hours ago

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Hacker News · Technology

Landmark ancient-genome study shows surprise acceleration of human evolution

Related: Ancient DNA reveals pervasive directional selection across West Eurasia [pdf] - https://news.ycombinator.com/item?id=47791282 (64 comments)https://x.com/doctorveera/status/2044679999450664967 (https://xcancel.com/doctorveera/status/2044679999450664967) Comments URL: https://news.ycombinat...

unsuspecting 15 hours ago

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DEV Community · Technology

Arquitetura REST

1 INTRODUÇÃO No cenário atual do desenvolvimento de software, a integração entre sistemas heterogêneos deixou de ser uma exceção e virou regra. Com a popularização das aplicações em rede, os Web Services se tornaram a espinha dorsal dessa comunicação. Dentre as várias abordagens arquiteturais que e...

Gabriel Tomé 16 hours ago

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DEV Community · Technology

I Built a PQC Native L1 Blockchain from Scratch in 9 Months

I’ve spent the last nine months deep in the weeds of Rust, distributed systems, and FIPS-standardized cryptography. The result is Dytallix: the first solo-built, PQC-native Layer 1 blockchain. There is no ECDSA here. No hybrid mode. No legacy accounts. Dytallix was built from the ground up with a...

Rick Glenn 16 hours ago

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DEV Community · Technology

The signing key mistake that cost me a week on my first Android release

If you've never shipped an Android app to Google Play before, the signing key part is where a lot of people get quietly stuck. It's not a hard concept, but the way Google documents it makes it feel like you're juggling three different keys that could all brick your release if you mess up. Here's wh...

TheIOn-Project 16 hours ago

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DEV Community · Technology

Part 2: Hands-on tc Framework: Building a Full-Stack Async API with Pages

Introduction: The Practical Graph This post will show a practical, hands-on example that implements a serverless topology using the tc (Topology Composer) framework. It supports synchronous entry points with asynchronous real-time updates. You will construct a REST API (API Gateway Routes...

Robert J. Berger 16 hours ago

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DEV Community · Technology

Convert an ASP .NET MVC application to Vue JS 3 TS page-by-page

So with the new Visual Studio edition, there is a template available for an ASP .NET MVC application with Vue JS. The template does most of the work for you, it's pretty cool. But what if you want to migrate an existing, production running MVC application slowly to Vue JS 3? Not so straight-forward,...

Yogesh Bhavsar 16 hours ago

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DEV Community · Technology

How to Scrape Websites with Claude Code (2026 Guide)

Claude Code can edit files, run shell commands, and write tests — but it cannot fetch live web pages on its own. Connect it to CrawlForge MCP and it gains 20 scraping tools that run straight from your terminal. npm install -g crawlforge-mcp-server npx crawlforge-setup # paste your API key # Now...

Simon 16 hours ago

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