Codrops • 2026-04-20 09:22

Interactive Storytelling for the Web: Building Immersive Stories with Timelines, 3D, and Layered Scenes

A step by step tutorial on creating an immersive Moon story in Instorier with motion, interaction, and 3D scene building.

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1m read
DEV Community • 2026-04-20 09:21

Beyond the Model: How We Engineered a #1 AI Video Product from Scratch

Most "AI Video" discussions are obsessed with parameter counts and transformer layers. But as engineers, we know the truth: A great model is only 20% of a great product. When we started building Happy Horse, we didn't just want to win benchmarks (though we did hit #1 on the Video Arena). We wanted to solve the "Engineering Mess" that makes AI video a nightmare to integrate into real-world apps. ...

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2m read
What if an AI agent tracked your carbon footprint and reminded you daily to do better? Built EcoAgents for Earth Day.
DEV Community • 2026-04-20 09:20

What if an AI agent tracked your carbon footprint and reminded you daily to do better? Built EcoAgents for Earth Day.

EcoAgents — I built an AI agent that knows your carbon footprint and never lets you forget it DEV Weekend Challenge: Earth Day Navin Kumar R Navin Kumar R ...

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1m read
What actually happens after you upload an image?
DEV Community • 2026-04-20 09:19

What actually happens after you upload an image?

I built a tool to visualize what happens after you upload a file (queue, worker, logs). Backend systems can feel pretty abstract when you're learning. You hear about queues, workers, background jobs… but it’s hard to actually see what’s happening. So I tried building a small interactive demo to make that visible. You can: upload an image (or use a demo) and watch it go through a real backend...

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1m read
Product Hunt — The best new products, every day • 2026-04-20 09:18

Chat Skills for AI Agents

One file. Any agent. Working chat in under 10 minutes. Discussion | Link

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1m read
Adactio: Journal • 2026-04-20 09:18

Dilation

Nothing can travel faster than light. And if you manage to travel close to the speed of light, things get weird. Technically, we all experience time differently depending on how fast or slow we’re moving. But the differences are so imperceptible as to be non-existent. That’s how we can describe events as being “simultaneous”, even though according to Einstein’s theory of relativity, there’s no su...

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1m read
10 Best Open Source Projects Every Developer Should Know (Including One You've Never Heard Of)
DEV Community • 2026-04-20 09:18

10 Best Open Source Projects Every Developer Should Know (Including One You've Never Heard Of)

Most developers know the big names. Docker. Postgres. VS Code. But there is an entire layer of open-source tooling that most teams still rely on paid SaaS for — secrets management, background jobs, observability, document signing, malware scanning — where the open-source alternative is already better. Here are 10 projects worth knowing in 2026. One of them, you have almost certainly never hear...

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8m read
Lobsters • 2026-04-20 09:16

Diagnosing Random MariaDB Freezes

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1m read
DEV Community • 2026-04-20 09:16

Kiwi-chan's Log: The Great Log Acquisition Struggle

Okay, folks, buckle up. It's been a busy four hours with Kiwi-chan. We're still firmly in the "early survival" phase, and right now, that means a relentless, and frankly, slightly frustrating pursuit of oak logs. The core loop is solid: find log, dig log, move to log's location, wait for pickup, verify inventory. But... Kiwi-chan is struggling with that last step. We're seeing repeated failures ...

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2m read
DEV Community • 2026-04-20 09:15

Beyond new and delete: to Weak Pointer

In the previous article, we left one case untouched: the transition from raw pointers to weak_ptr. That's exactly what we'll dive into today. Use shared_ptr when multiple parts of your system need to keep an object alive, and you can't predict which part will outlive the others. But shared_ptr has a fatal flaw: cyclic references. When two shared_ptrs point to each other, neither can die. They ho...

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4m read
HackerNoon • 2026-04-20 09:15

CMMC Compliance Vendors: Finding the Best Fit for Your Flow Down Requirements

The CMMC Phase 1 rollout is here. If you handle DoD contracts, you must now ensure compliance flows down to your subcontractors. This guide compares five leading solutions to help you find the right balance between cost, automation, and hand-holding: SecurityMetrics: The best value for SMBs. Combines RPO consulting with a dedicated "CMMC-Link" portal to track subcontractor compliance without the ...

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1m read
DEV Community • 2026-04-20 09:12

What Actually Matters When Choosing an AI Receptionist (From a Dev Who Integrated 5 of Them)

What Actually Matters When Choosing an AI Receptionist I've integrated five different AI receptionist services into client projects over the past year. Here's what I wish someone had told me before I started. 1. Latency Is Your UX In web development, we obsess over time-to-first-byte. In voice AI, the equivalent is time-to-first-word — how long after the caller says somethin...

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3m read
HackerNoon • 2026-04-20 09:12

Proof of Human Could Become Web3’s Most Important Product

The internet has a presence problem, not just a bot problem. Here's why proof of human might be Web3's most important idea yet.

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1m read
📶 No Internet? Your Web App Should Still Work: Offline Functionality in PWAs Explained
DEV Community • 2026-04-20 09:09

📶 No Internet? Your Web App Should Still Work: Offline Functionality in PWAs Explained

Imagine this. You’re traveling, trying to check important information in an app. The signal drops. You expect the usual frustration—blank screens, loading spinners, and error messages. But this time, the app still opens. You can read saved content, continue your task, and even submit updates later when the connection returns. That moment feels magical to users. But for developers, it’s not mag...

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5m read
DEV Community • 2026-04-20 09:09

How to Build Your First Custom MCP Server in Under an Hour

The Model Context Protocol explained practically — with a real working example you can deploy today Most Claude Code tutorials tell you to install MCP servers. This one shows you how to build one. Because once you understand that MCP is just a JSON-RPC server with a specific protocol, the entire ecosystem opens up. You can connect Claude Code to any internal tool, any database, any API — not...

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6m read
DEV Community • 2026-04-20 09:08

Claude Code Memory Files: The Workflow That Eliminated My Daily Briefing Ritual

How a simple CLAUDE.md file replaced 15 minutes of context-setting every morning Every morning I was spending 15 minutes typing the same things into Claude Code. "Here's what we're building. Here's the tech stack. Here's how we handle authentication. Here's the naming conventions we use." Every. Single. Session. Sound familiar? If you're using Claude Code for anything serious, you've probab...

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5m read
Lobsters • 2026-04-20 09:07

Modern Frontend Complexity: essential or accidental?

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1m read
DEV Community • 2026-04-20 09:07

Two Main Sources of ML Models: Pre-trained vs Custom — Which One Should You Use?

You want to build an AI-powered feature. Maybe a chatbot, an image classifier, or a recommendation engine. The first decision you'll face is: should I use someone else's model or train my own? This post breaks down both paths, when to pick which, and the real-world tradeoffs nobody tells you about upfront. Why This Matters Before you write a single line of code, this one decision ...

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7m read
DEV Community • 2026-04-20 09:06

Claude Design Tool vs Figma: What Actually Changed and When to Use Each

Claude Design Tool vs Figma: What Actually Changed and When to Use Each Claude's new Design capability is generating a lot of "Figma killer" takes. Most of them are wrong in both directions — it's neither a Figma replacement nor a toy. Here's an honest breakdown of what it actually does, what it doesn't do, and when to reach for each. What Claude Design Actually Does Claude ...

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4m read
DEV Community • 2026-04-20 09:06

I Built an Uptime Monitor in a Weekend — And Saved $180/Year

I was paying $15/month for Uptime Robot. I used maybe 30% of it — basic HTTP checks on a handful of endpoints, email alerts when something went down, and a status page nobody really looked at. That's $180/year for a glorified cron job. So I built my own. In a weekend. Here's exactly how, what I learned, and whether you should do the same. Why Build Your Own? Let's be clear: Uptime Ro...

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9m read
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