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I Built a Free Polymarket Analytics Dashboard — 6M+ Prices, 7,500 Markets, Updated Every 4 Minutes

Most Polymarket tools show you one market at a time. Price chart, yes/no, maybe a volume number. That's it. I wanted to see the entire market at once — which categories are moving, where spreads are

dev.to Apr 09, 2026 Read more →

Apache Data Lakehouse Weekly: April 3–9, 2026

The open lakehouse community gathered in San Francisco this week for the biggest Iceberg Summit yet, two full in-person days at the Marriott Marquis, while Arrow's release engineering hummed along, Po

dev.to Apr 09, 2026 Read more →

Finally a productivity app that understands you

This is a submission for the DEV April Fools Challenge What I Built Ever felt overwhelmed by productivity apps telling you to wake up at 5 AM, drink green juice, and conquer the world befo

dev.to Apr 09, 2026 Read more →

Distributed Systems: Where Physics, Murphy's Law, and Your Career Collide 💥

🎬 The Interview Question That Breaks People "Design a system that handles 100,000 requests per second with 99.99% availability across multiple regions." Silence. Sweating. "Uh... load bala

dev.to Apr 09, 2026 Read more →

Memory-Aware Shopping Agents with Strands Agents and Mem0

A research paper from Alibaba proposes a two-stage e-commerce agent that remembers customer preferences across sessions. In this post, you learn how to build it as a working chat app using Strands Age

dev.to Apr 09, 2026 Read more →

DORA Report Takeaways + Build Your Own DORA Metrics Dashboard with MCP!

The question of whether to adopt AI in software development has already been answered. According to the 2025 DORA AI Capabilities Model - based on research from nearly 5,000 technology professionals a

dev.to Apr 09, 2026 Read more →

When Your UX Only Fits Two Sizes

A few years ago, right before the pandemic hit, I was trying to buy clothes online. Nothing fancy, just basic stuff, trying to get rid of my old "nerdy" t-shirts and work on different styles. "Queer E

dev.to Apr 09, 2026 Read more →

Beyond AGENTS.md: Turning AI Pair Programming into Workflows

In practice, the starting pattern for using AI to write code is usually the same: open the IDE, highlight some code, and ask an AI agent (like Copilot or a chat‑based assistant) to "write this feature

dev.to Apr 09, 2026 Read more →

Terraform vs OpenTofu (2026): Should You Switch After the BSL Change?

The question isn't "Terraform vs OpenTofu." The real question is whether your infrastructure control plane is owned by a vendor — or governed as open infrastructure. Here's how the timeline actually

dev.to Apr 09, 2026 Read more →

The Real Cost of 1 Hour of WordPress Downtime (It's More Than You Think)

Most WordPress site owners think about downtime the wrong way. They imagine the damage ending the moment the site comes back online. It doesn't. The real cost keeps running, in lost sales, developer

dev.to Apr 09, 2026 Read more →

Azure Route Server and NVA: Enforcing VNet Traffic - plus Terraform Code

I recently discovered some knowledge gaps regarding Azure Route Server (ARS) during a discussion with a cloud architect, so I decided to explore it in depth using my personal lab environment.  

dev.to Apr 09, 2026 Read more →

I Built an Anonymous AI Chat Platform — No Login, No Tracking, No Logs

Every major AI chat platform today requires you to create an account. Your conversations are stored, analyzed, and often used for model training. For many people, this is a dealbreaker — especially wh

dev.to Apr 09, 2026 Read more →

The Software Architecture Decisions That Are Aging Poorly in 2025

Four architectural choices that made sense when they were made and are now generating technical debt at scale. Software architecture is a set of bets about the future — about what the system will

dev.to Apr 09, 2026 Read more →

Every React Developer Uses Hooks. Almost None Can Explain How They Work.

title: "Every React Developer Uses Hooks. Almost None Can Explain How They Work." description: A from-scratch build of React's hooks system reveals that the rules aren't arbitrary — they're inevitable

dev.to Apr 09, 2026 Read more →

Why Validating Segment Events Is So Frustrating (And How I Fixed It)

Validating analytics events should be simple. It’s not. If you’ve ever had to check whether events are firing correctly, you probably know the drill: trigger an action, open your debugging tool, clic

dev.to Apr 09, 2026 Read more →

74% of Startups Fail From Premature Scaling. Your Tech Stack Might Be the Problem.

In 2011, Startup Genome partnered with Berkeley and Stanford to study 3,200 startups. They wanted to know why most fail. The answer wasn't bad ideas. It wasn't lack of funding. It wasn't competition.

dev.to Apr 09, 2026 Read more →

Ilere: Building a Transparent Rental Marketplace on Expo and Supabase

Ilere is a mobile housing marketplace aimed at Nigerian cities such as Ibadan, Lagos, Abuja, and Port Harcourt. The core idea is visible in the code: tenants browse listings with explicit fee breakdow

dev.to Apr 09, 2026 Read more →

Editing DESIGN.md Directly in Web Interface: From Concept to Implementation

Editing DESIGN.md Directly in Web Interface: From Concept to Implementation In the MonoSpecs project management system, DESIGN.md carries the project's architectural design and technical d

dev.to Apr 09, 2026 Read more →

Meta's New Model Has 16 Tools. Here's What They Do.

Meta's New Model Has 16 Tools. Here's What They Do. Meta just released Muse Spark—their first model since Llama 4 almost exactly a year ago. It's competitive with GPT-5.4, Gemini 3.1 Pro, a

dev.to Apr 09, 2026 Read more →

Is Your Code Review Killing You? 🧘 Real-time Stress Monitoring with Wav2Vec 2.0

We’ve all been there: a production incident hits at 4 PM on a Friday, or you're stuck in a heated Code Review session where "just one small change" turns into a refactor of the entire authentication m

dev.to Apr 09, 2026 Read more →
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