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DEV Community · Technology

I Collected 8.9 Million Polymarket Price Points — Here's What I Found About How Markets Really Move

Everyone says prediction markets are efficient. I spent 30 days collecting data to test that claim. The result: 8.9 million data points across 9,550 markets — and the data tells a story most traders miss completely. The Setup I built an automated collector that snapshots every active Po...

manja316 23 hours ago

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DEV Community · Technology

EcoTrack AI — Carbon Footprint Tracker & Dashboard

This is a submission for Weekend Challenge: Earth Day Edition EcoTrack AI — Track, Visualize & Reduce Your Carbon Footprint This is my individual work, built entirely from scratch for the #weekendchallenge. 🔗 Links 🚀 Live Demo: ecotrack-ai-317275340485.asia-south1.run.app 💻 GitHub Repo: git...

Gowtham M 23 hours ago

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DEV Community · Technology

Everyone's Using AI. No One Agrees How.

I got a DM from a principal engineer last week. He's spending more than $2,000 a month on AI tokens. Not because he's lazy. Because he's figured something out. The tool isn't giving him 10x output. It's giving him exponential output. He's orchestrating agents, chaining workflows, building systems th...

Jono Herrington 23 hours ago

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Hacker News · Technology

All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder

Article URL: https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/The_toxic_side_of_the_Moon Comments URL: https://news.ycombinator.com/item?id=47808913 Points: 39 # Comments: 9

cybermango 23 hours ago

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DEV Community · Technology

Set Up Automated Follow Up Replies on Your Best Threads Posts From Claude

Your best post this month probably deserved a follow-up and didn't get one. Mine did too. For months, I watched posts hit 200 likes and then just sit there. The attention came and went. I was busy with client work or asleep or eating dinner with my kid. By the time I saw the post blowing up, the mom...

Luca Restagno 23 hours ago

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DEV Community · Technology

Hello, World. The Dark Forest Just Got Autonomous (And Why Your AI Agent is Probably Going to Get Rekt).

TL;DR: I've spent the last 3 years auditing smart contracts. Now, developers are handing over private keys and on-chain execution rights to LLMs. This is a disaster waiting to happen. I'm building Agent-Guardian to fix this, and I'll be sharing my red-teaming notes here. If you’ve been paying atten...

lokii 23 hours ago

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DEV Community · Technology

Day 1 — Journey to Becoming a Complete Full-Stack Developer (2026 Edition) 🚀

Day 1 — Journey to Becoming a Complete Full-Stack Developer (2026 Edition) 🚀 Starting from absolute beginner → professional engineer in 1 year. Phase 0: Foundation Before writing a single line of code, I’m focusing on understanding how computers, the internet, and developer tools actually work....

IBRAHIM ABDULBASIT AYOMIDE 23 hours ago

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DEV Community · Technology

Mastering Unit Testing in Spring Boot: How I Achieved 70%+ Coverage for Open Source

Testing is not about finding bugs; it's about gaining the confidence to ship code. Recently, while contributing to an Open Source project for GSSoC 2026, I took on the challenge of writing unit tests for a complex DecisionService. My goal was 70%+ coverage, but the journey was filled with NullPointe...

Mohammed Ghallab 23 hours ago

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DEV Community · Technology

AI should be Multiplayer

Every meaningful thing we do at work... brainstorming, decision making, debating involves multiple people. Yet look around: each and every AI tool that you use today forces a one-on-one turn taking interaction that doesn't map to how collaboration in your life happens. And yet for all the...

Greg Ceccarelli 1 day ago

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DEV Community · Technology

AI Agents in Production: The Hardest Part Isn't the Model

Everyone's talking about AI Agents. But most teams I speak to are still figuring out where to even begin — and the ones that have started are hitting walls they didn't anticipate. I've spent the last several months building and debugging agentic workflows in production. Here's the honest truth I wi...

Viansh 1 day ago

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Ars Technica · Technology

Satellite and drone images reveal big delays in US data center construction

Data centers face construction delays and energy bottleneck as resistance grows.

Jeremy Hsu 1 day ago

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DEV Community · Technology

Noderax — Infrastructure Control Plane

Most teams still manage Linux infrastructure through a mix of SSH sessions, shell scripts, cron jobs, and disconnected dashboards. Noderax is an open-source infrastructure control plane designed to make that workflow coherent. It combines a self-hosted control plane with a lightweight agent install...

Göktuğ Ceyhan 1 day ago

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The Verge · Technology

Betting on the news raises ethical questions for journalists

Prediction market exchanges have created an environment where just about any piece of information is potentially monetizable: How well will BTS's new song perform this week? How hot will Los Angeles get? Will Donald Trump be impeached? Users can wager on all of that and, on some platforms, more grue...

Mia Sato 1 day ago

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DEV Community · Technology

Bloom Filters for AI Agents: The Small Cache Trick That Saved My Retrieval Pipeline

Bloom filters felt like a purely academic data structure—until an agent pipeline started repeating work. At that point, they became immediately practical. Problem The system needed a fast, low-cost way to check whether something had probably been seen before. Not certainty. A strong...

Hardik Gupta 1 day ago

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Hacker News · Technology

NeoGeo AES+: SNK announces reissue of retro console without emulation

Article URL: https://www.heise.de/en/news/NeoGeo-AES-SNK-announces-reissue-of-retro-console-without-emulation-11262319.html Comments URL: https://news.ycombinator.com/item?id=47808770 Points: 14 # Comments: 5

doener 1 day ago

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TechCrunch · Technology

Hackers are abusing unpatched Windows security flaws to hack into organizations

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit them. Now, hackers are taking advantage of the vulnerabilities in real-life attacks, according to a cybersecurity firm.

Lorenzo Franceschi-Bicchierai 1 day ago

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Ars Technica · Technology

Amazon won’t release Fire Sticks that support sideloading anymore

The two newest Fire Sticks block apps from outside of Amazon's store.

Scharon Harding 1 day ago

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Ars Technica · Technology

Ridley Scott's post-apocalyptic The Dog Stars drops first trailer

"The world that was, doesn't exist. It's just us, trying to hold onto what was."

Jennifer Ouellette 1 day ago

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The Verge · Technology

This charming gadget writes bad AI poetry

I've never been as charmed and frustrated by one gadget as I have with the Poetry Camera. It's a delightful object. White and cherry red with a color-matched woven strap, it looks playful and adorably lo-fi. If I saw it on a store shelf, I'd absolutely pick it up. But aside from obviously appealing,...

Allison Johnson 1 day ago

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DEV Community · Technology

Listing on MCPize + the Official MCP Registry while routing payments OUTSIDE the marketplace — how I kept 100% of my x402 revenue

MCPize is a nicely built marketplace for MCP servers. The pitch on the front page is that creators keep 85% of monetised calls and the platform takes 15% — for a web3-adjacent product that is not a bad split. For an MCP server that wants discovery, easy OAuth, Stripe billing, and a clean landing pag...

Sai 1 day ago

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DEV Community · Technology

Building an AI-Powered Risk Intelligence System Using Serverless Architecture

Introduction Organizations today require faster, more reliable ways to assess risk across entities such as companies, vendors, and partners. Traditional due diligence processes rely heavily on manual effort, fragmented data sources, and static reporting, which limits scalability and slows...

saif ur rahman 1 day ago

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Hacker News · Technology

Show HN: Smol machines – subsecond coldstart, portable virtual machines

Article URL: https://github.com/smol-machines/smolvm Comments URL: https://news.ycombinator.com/item?id=47808268 Points: 10 # Comments: 7

binsquare 1 day ago

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DEV Community · Technology

React Native Cross-Platform Development: One Codebase for Mobile, TV, and Beyond

Every article about React Native says the same thing: it lets you build iOS and Android apps from one codebase. That's true, but it's only half the story. I've spent 9+ years building cross-platform applications — not just for phones, but for Smart TVs, set-top boxes, and streaming platforms serving...

Aleksandr Sakov 1 day ago

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DEV Community · Technology

Jibun Corp's AI Hub Reaches 27 Providers — Adding Reka Flash-3 & Writer Palmyra-X5

Jibun Corp's AI Hub Reaches 27 Providers Two New Additions Provider Model Highlight Reka AI reka-flash-3 Multimodal (text+image+video), ex-DeepMind team Writer Palmyra palmyra-x5 Enterprise writing, low hallucination rate Still Just 7 Lines Per Provider...

kanta13jp1 1 day ago

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