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Building an AI-Powered Crypto Sentiment & Trading Dashboard
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DEV Community · Technology

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...

Rakesh kumar
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Weekend Challenge: Earth Day Edition
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DEV Community · Technology

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...

Dan
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Supabase Row Level Security in Production: Patterns That Actually Work
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DEV Community · Technology

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...

Atlas Whoff
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Why I Replaced Zapier With n8n (And What I Wish I'd Known Before)
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DEV Community · Technology

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 wha...

Atlas Whoff
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Show HN: AI Subroutines – Run automation scripts inside your browser tab
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Hacker News · Technology

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

We built AI Subroutines in rtrvr.ai. Record a browser task once, save it as a callable tool, replay it at: zero token cost, zero LLM inference delay, and zero mistakes.The subroutine itself is a deterministic script composed of discovered network calls hitting the site's backend as well as page int...

arjunchint
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Lead prosecutor on investigation into former CIA director no longer on case
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The Guardian · World

Lead prosecutor on investigation into former CIA director no longer on case

Maria Medetis Long had expressed doubts over case of John Brennan, whose agency said Russia boosted Trump in 2016Sign up for the Breaking News US email to get newsletter alerts in your inboxA federal prosecutor leading the investigation into former CIA director John Brennan is no longer working on t...

Sam Levine in New York City
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State Is the Hardest Problem in AI Agents
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DEV Community · Technology

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 fe...

InferenceDaily
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openai-agents 0.13.x Silently Dropped openai v1 Support — Here's What Breaks
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DEV Community · Technology

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 comm...

Peyton Green
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Web Tech Update 2026: What Developers Should Watch Right Now
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DEV Community · Technology

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. F...

Muhammad Khaliq
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A beginner view of Amazon DynamoDB Accelerator (DAX)
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DEV Community · Technology

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...

Akash Anand
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Understanding Transformers Part 9: Stacking Self-Attention Layers
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DEV Community · Technology

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 position...

Rijul Rajesh
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Should you stare into Sam Altman’s orb before your next date?
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The Verge · Technology

Should you stare into Sam Altman’s orb before your next date?

Tinder users who prove they're a real person by visiting an identity-verifying orb will soon be able to get five free boosts in the app - and it's just the latest service to embrace the orb. World, which was co-founded by OpenAI CEO Sam Altman, initially tested Tinder verification using its facial s...

Stevie Bonifield
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