DEV Community • 2026-04-17 21:17

Origin Part 3: The Teacher Was Scoring It Wrong

The numbers said OLT-1 was stuck at 28% understanding. The numbers were wrong. When you build a developmental AI that learns one concept at a time, you run into a problem that doesn't exist for internet-scale models: you can't just scrape more data. OLT-1 is at Stage 9. A Stage 10 training dump from the internet doesn't exist, because the internet was written for adults. So we built a teacher. A...

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DEV Community • 2026-04-17 21:17

I launched my first side project and got 22 visitors. Here's what the data actually told me.

I shipped a “viral” quiz… and got 22 visitors Last weekend, I launched a small side project: 👉 a 60-second travel personality quiz I expected quizzes to spread on their own — they feel inherently viral. 5 days later: 22 visitors. So I did a quick post-mortem 👇 📊 The Numbers 5 Reddit posts → ~3,000 total views 22 clicks CTR: 0.7% Quiz completion rate: ✅ solid Share rat...

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I stopped building dashboards. AI assistants are the new UI.
DEV Community • 2026-04-17 21:14

I stopped building dashboards. AI assistants are the new UI.

The dashboard nobody visited I built a startup signal dashboard. It tracked GitHub engineering acceleration across 2,000+ startup organizations and ranked them by commit velocity, contributor growth, and repo expansion. The data was solid. The UI was clean. Nobody came back to it. Investors signed up, bookmarked the URL, and forgot about it. Because that's not how knowledge worker...

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DEV Community • 2026-04-17 21:09

Building an AI-Powered Crypto Sentiment & Trading Dashboard

I'm excited to share my latest project: an AI-Driven Trading Dashboard. The goal is to help traders make sense of market noise by combining real-time price data with Natural Language Processing (NLP) to analyze market sentiment. 🧠 The AI Component I'm using a Sentiment Analysis model (via HuggingFace) to scan news headlines and social media feeds. The app then generates a "Market Moo...

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How World ID's Biggest Upgrade Replaces Device Trust With Human Continuity
HackerNoon • 2026-04-17 21:06

How World ID's Biggest Upgrade Replaces Device Trust With Human Continuity

What happens when you can no longer tell, at a glance, whether the person on the other end is real? \ That is the premise World built its Lift Off, pushing its biggest World ID protocol upgrade since launch, a dedicated World ID app in public beta, and more than a dozen partnerships spanning Zoom, Tinder, Docusign, Vercel, Okta and others. The headline framing is "full-stack proof of human." T...

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DEV Community • 2026-04-17 21:05

Weekend Challenge: Earth Day Edition

This is a submission for Weekend Challenge: Earth Day Edition What I Built For this Earth Day–themed challenge, I set out to build a small but meaningful project that highlights how technology can help us better understand our planet. My goal was to create something simple, accessible, and visually engaging—something that encourages curiosity about the natural world rather than overwhelming users ...

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DEV Community • 2026-04-17 21:03

Supabase Row Level Security in Production: Patterns That Actually Work

Supabase Row Level Security (RLS) is PostgreSQL's built-in access control system. When it's set up correctly, your database enforces authorization at the data layer — not just in your API. When it's set up wrong, your users see each other's data and you don't find out until someone reports a bug. I've shipped three production apps with Supabase RLS. Here's what I've learned. What RLS ac...

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DEV Community • 2026-04-17 21:03

Why I Replaced Zapier With n8n (And What I Wish I'd Known Before)

I ran Zapier for three years. 40+ Zaps, $600/year, and a growing list of things I couldn't do without paying for the next tier. I moved everything to self-hosted n8n four months ago. Here's the honest breakdown. What Zapier is actually good at Before I talk about n8n, be honest about what you're leaving behind: Zero maintenance — Zapier handles uptime, updates, and reliability. It j...

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Hacker News • 2026-04-17 21:03

Show HN: AI Subroutines – Run automation scripts inside your browser tab

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DEV Community • 2026-04-17 21:00

El Dilema del Prisionero de la IA: Cómo Sobreviven los Bootstrapped Founders

El Dilema del Prisionero de la IA: Cómo Sobreviven los Bootstrapped Founders Paper referenciado: «The AI Layoff Trap» — Brett Hemenway Falk (UPenn) y Gerry Tsouklatas (Boston University), Marzo 2026, arXiv:2603.20617 — Lo que el paper dice Dos investigadores de UPenn y Boston University acaban de demostrar matemáticamente algo que cualquiera que haya fundado una empresa ya ...

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Lobsters • 2026-04-17 21:00

Why is IPv6 so complicated?

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DEV Community • 2026-04-17 21:00

State Is the Hardest Problem in AI Agents

Building AI agents seems straightforward on paper: observe, decide, act, persist state. But after building a few, I can confidently say state is the hardest part by far. If you’ve ever wrestled with managing state across async calls, dynamic environments, or even basic user sessions, you probably feel my pain. Why state gets ignored (and why that's a mistake) Most AI tutorials focus on the flashy...

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Hacker News: Front Page • 2026-04-17 21:00

Arc Prize Foundation (YC W26) Is Hiring a Platform Engineer for ARC-AGI-4

Article URL: https://www.ycombinator.com/companies/arc-prize-foundation/jobs/AKZRZDN-platform-engineer-benchmark-lead Comments URL: https://news.ycombinator.com/item?id=47810507 Points: 0 # Comments: 0

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DEV Community • 2026-04-17 21:00

openai-agents 0.13.x Silently Dropped openai v1 Support — Here's What Breaks

openai-agents 0.13.2 Silently Dropped openai v1 Support — Here's What Breaks Status: READY TO STAGE Written: 2026-03-27 (W100) Based on: openai-agents 0.13.2 (released 2026-03-26T23:57Z), ADAM W123 landscape scan Target slot: April 21-23, 2026 (or sooner if v1→v2 friction shows up in community) Product: AI Dev Toolkit ($29) — https://kazdispatch.gumroad.com/l/zqeopc Pre-publish checklis...

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DEV Community • 2026-04-17 20:56

Web Tech Update 2026: What Developers Should Watch Right Now

The web ecosystem is evolving fast, and 2026 is already bringing some powerful shifts in how we build and scale applications. Here are a few key trends every developer should keep on their radar: 🔹 AI-Native Web Apps AI is no longer just an add-on — it’s becoming the backbone of modern web apps. From intelligent UI personalization to real-time code generation, frameworks are increasingly integrat...

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A beginner view of Amazon DynamoDB Accelerator (DAX)
DEV Community • 2026-04-17 20:51

A beginner view of Amazon DynamoDB Accelerator (DAX)

Caching is one of the most important aspects of building a highly scalable solution. At its core, caching involves storing a subset of data in such a way that it's either easier to retrieve or faster to retrieve. Some popular caching techniques are HTTP caching, CDN caching, and solutions like Redis and ElastiCache. As a backend engineer, it's very highly likely that at some point we'll work on A...

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Understanding Transformers Part 9: Stacking Self-Attention Layers
DEV Community • 2026-04-17 20:50

Understanding Transformers Part 9: Stacking Self-Attention Layers

In the previous article, we explored how the weights are shared in self-attention. Now we will see why we have these self-attention values instead of the initial positional encoding values. Using Self-Attention Values We now use the self-attention values instead of the original positional encoded values. This is because the self-attention values for each word include information from...

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How Fhenix and Ethereum Are Racing a Quantum Clock Nobody Can See
HackerNoon • 2026-04-17 20:47

How Fhenix and Ethereum Are Racing a Quantum Clock Nobody Can See

What if the quantum attack on today's encrypted internet had already started, and nobody told you? \ That was the framing Fhenix pressed during its recent X Space on post-quantum cryptography, hosted by Founder Guy Zyskind with Ethereum Foundation developer Nicolas Serrano, Fhenix researcher Doron Zarchy, and Michael Cowart of VenturemindAI. The panel's argument was uncomfortable in a specific...

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DEV Community • 2026-04-17 20:45

ReactJs Performance ~ State Management~

・The choice of state management can have a dramatic effect on React performance, but most comparisons focus on developer experience rather than runtime characteristics. Having implemented Context, Redux, Zustand and Jotai in production apps, the following factors were found to be important: re-render frequency, serialisation overhead and selector performance. Each solution balances these factors ...

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DEV Community • 2026-04-17 20:42

Backend Developer Roadmap 2026: The Technologies You Need to Master

A comprehensive look at the essential technologies and concepts that define backend development in 2026, based on current industry standards and real-world requirements. Introduction Backend development sits at the core of every digital experience. When you log into an application, process a payment, or receive a real-time notification, a backend system handles the logic, security, and...

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