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The Android Testing Pyramid That Strict MVI Unlocks
DEV Community • 2026-04-21 16:50

The Android Testing Pyramid That Strict MVI Unlocks

80% of your presentation tests live in the reducer tier and run in 5ms. The other four tiers exist, but they are narrow on purpose — device-bound work is the rarest thing the pyramid measures. Strict MVI is what makes that shape possible in the first place. Five tiers at a glance The shape is fixed: a wide reducer base, a thinner middleware band, a narrow store-integration strip, a...

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8m read
10 MVI Anti-Patterns Senior Android Reviewers Reject on Sight
DEV Community • 2026-04-21 16:50

10 MVI Anti-Patterns Senior Android Reviewers Reject on Sight

Strict MVI on Android fails in the same ten ways in every codebase. This article is the pocket cheat sheet senior reviewers keep open during a pull-request pass. Each entry is a smell, a bad snippet, a good snippet, and one sentence explaining why it blocks the PR. The ten # Anti-pattern Root cause 1 The God Intent Reducer authority dissolved 2 Fat State State shape sprawlin...

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7m read
The Strict-MVI Playbook: How Staff Android Engineers Structure Jetpack Compose at Scale
DEV Community • 2026-04-21 16:50

The Strict-MVI Playbook: How Staff Android Engineers Structure Jetpack Compose at Scale

A strict-MVI feature exposes exactly one public entry point, send(intent), and one observable output, StateFlow<State>. Everything else — reducer, middlewares, channels, cancellation keys — is an implementation detail negotiated behind that contract. This playbook is the staff-level brief on how to make that choice survive the tenth engineer, the fiftieth screen, and the fourth rewrite. ...

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17m read
Prompting for Structure: How to Write AI Prompts That Don't Create Architectural Debt
DEV Community • 2026-04-21 16:50

Prompting for Structure: How to Write AI Prompts That Don't Create Architectural Debt

Post 1 showed the mess. Here's the fix. The loyalty points example ended with a constrained prompt one paragraph that told the AI exactly which file, exactly which layer, exactly what wasn't allowed. The AI produced a clean domain object on the first try. No drift, no boundary violations, no cleanup. That wasn't luck. It was a pattern. This post is about making that pattern repeatable. ...

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8m read
DEV Community • 2026-04-21 16:48

Create Your Own LLVM Pass as a Plugin (Step-by-Step Guide)

f you're getting into compilers or exploring LLVM internals, one of the most powerful things you can learn is how to build your own LLVM Pass. I’ve put together a hands-on guide that walks you through creating an LLVM pass as a plugin — something that’s actually used in real-world compiler workflows. 💡 What You’ll Learn How LLVM passes work internally How to create a custom pass from scratch How...

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1m read
DEV Community • 2026-04-21 16:45

Why is Claude Mythos good at Cyber Security?

Introduction Regarding the latest model announced by Anthropic, "Claude Mythos," the CEO of Anthropic has explicitly stated that it was "created to specialize in programming." However, one of the fields where Claude Mythos is currently receiving the highest praise in the market is actually "cybersecurity." 💻 The True Nature of Programming is "Logical Thinking" In the first place, programming is n...

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2m read
HackerNoon • 2026-04-21 16:45

THE RISE OF THE SECONDARY GAMING MARKET: WHEN VIRTUAL ACCOUNTS BECOME REAL ASSETS

In the booming digital economy of 2026, spending tens of thousands of dollars on a video game account is no longer seen as "extravagance." On the contrary, it is becoming a calculated investment strategy within a multi-billion dollar market.

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1m read
DEV Community • 2026-04-21 16:40

What Investors Don't Ask Founders (And Why They Should)

When a founder walks into a pitch meeting, they're rehearsed. The deck is polished. The metrics are (hopefully) real. But investors still get blindsided. Theranos, WeWork, FTX—all had charismatic founders with compelling narratives. All committed fraud or catastrophic governance failures. And in every case, the warning signs were psychological, not financial. The Problem: Traditional ...

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4m read
DEV Community • 2026-04-21 16:40

Post-Quantum Blockchain Meets AI with 14 Brain Regions – Built by One Developer

Two separate projects, now converging. Project 1 — Uracil Chain A blockchain built from scratch in Rust with: Falcon post-quantum signatures (most chains use ECDSA which quantum computers will eventually break) Serial-based asset tracking — every token unit has a forensic history Four consensus mechanisms: PoW, PoS, PoAuth, and Proof of Useful Work via ZK protein folding Dual chai...

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1m read
Why Is Email Deliverability Important?
SitePoint • 2026-04-21 16:32

Why Is Email Deliverability Important?

Why email deliverability matters for your campaigns. Learn how inbox placement affects engagement, sender reputation, automation performance, and revenue. Continue reading Why Is Email Deliverability Important? on SitePoint.

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1m read
DEV Community • 2026-04-21 16:31

El 44% de Deezer es IA. Corrí git blame sobre mis commits y encontré algo incómodo

El 44% de las canciones que se suben a Deezer por día son generadas por IA. Cuando leí eso tuve que releer dos veces. No porque me parezca imposible, sino porque el número es tan concreto y tan incómodo al mismo tiempo. Después hice algo que no debería haber hecho si quería dormir bien: corrí git blame sobre mis commits del último mes. Contenido generado por IA en plataformas: el proble...

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10m read
Newest questions tagged css - Stack Overflow • 2026-04-21 16:31

Custom font not applying consistently across browsers when loaded via @font-face

I'm trying to load a custom font on my site using @font-face, but the font renders correctly in Chrome while falling back to the default sans-serif in Firefox and Safari. I've verified the font files exist and return a 200 status in the Network tab. Here's my CSS: css @font-face { font-family: 'MyCustomFont'; src: url('/fonts/mycustomfont.woff2') format('woff2'), url('/fonts/mycustomfon...

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1m read
Hacker News: Front Page • 2026-04-21 16:31

A Periodic Map of Cheese

Article URL: https://cheesemap.netlify.app/ Comments URL: https://news.ycombinator.com/item?id=47851077 Points: 3 # Comments: 1

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1m read
DEV Community • 2026-04-21 16:31

Delete Files in PowerShell: Remove-Item with Safety

Delete Files in PowerShell: Remove-Item with Safety Deleting is permanent. Learn the safe patterns that prevent accidental data loss. How It Works Remove-Item (del/rm) deletes files. Unlike Windows trash bin, PowerShell deletes files permanently—they don't go to recycle bin. So you must be careful. Always preview what you're deleting before actually running Remove-Item. ...

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2m read
Product Hunt — The best new products, every day • 2026-04-21 16:29

DecisionBox Enterprise

Agent that writes SQL for you to validate database insights Discussion | Link

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1m read
DEV Community • 2026-04-21 16:29

Lauren Bonvini on Building Confidence Through a More Practical Approach to Stage Fright

How to understand pressure, reduce self-doubt, and move through performance anxiety with more steadiness Lauren Bonvini is a Seattle-based stage fright coach who helps performers, speakers, and creatives work through performance anxiety and build confidence, presence, and self-trust. For readers who want a visual companion to these ideas, Lauren Bonvini’s Stage Fright and Confidence guide on Slid...

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7m read
Product Hunt — The best new products, every day • 2026-04-21 16:26

DESIGN.md by Google Stitch

Store your design system in a file AI agents can read Discussion | Link

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1m read
A Developer Built an Open-Source Dropbox on a Dare. Here's How to Self-Host It.
DEV Community • 2026-04-21 16:23

A Developer Built an Open-Source Dropbox on a Dare. Here's How to Self-Host It.

A few weeks ago, @swyx nerd-sniped @zachmeyer into building an open-source Dropbox. Zach took it seriously, and the result is Locker: a self-hostable file storage platform that covers most of what you'd actually use Dropbox or Google Drive for, without the subscription or lock-in. I came across the thread on X, spent some time getting Locker running on Railway, and figured the deployment notes we...

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4m read
Mastering vem Tasks: Create, Prioritize, Implement, and Ship — A Complete Guide
DEV Community • 2026-04-21 16:22

Mastering vem Tasks: Create, Prioritize, Implement, and Ship — A Complete Guide

🚀 vem is in early access — we're looking for our first users. If you try it and find it useful, we'd love to hear from you. Early access is completely free. Everything in vem revolves around tasks. A task is more than a to-do item — it carries the metadata your AI agent needs to implement it correctly: priority, type, time estimate, validation steps, dependencies, and a targeted context block w...

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10m read
Blazor Basics: Getting Started with Blazor Development in VS Code
Telerik Blogs • 2026-04-21 16:22

Blazor Basics: Getting Started with Blazor Development in VS Code

Learn how to use Visual Studio Code for Blazor web development. VS Code is a free, lightweight code editor, and it is available for Mac and Linux users (unlike its more robust sibling Visual Studio, which is exclusive to Windows).

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1m read
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