DEV'S DAILY DIGEST

UX

Building A UX ROI Case That Survives The Boardroom

Strong UX ideas do not secure investment on their own. Through a worked example, Alex Williams breaks down how to define business value, calculate costs, test causality, and build...

Alex Williams - smashingmagazine

The Death Of The Button: Why The Best Interface Is No Interface

TThe web is evolving beyond menus, forms, and endless clicks toward experiences shaped around human intent. For UX designers, understanding this shift means re-evaluating their...

Carrie Webster - smashingmagazine

UI

How to Build an AI Chat App Interface With the Vercel AI SDK and Shadcn/ui

Every other AI product you open today has the same screen: a message list, a text box at the bottom, and words that stream in one token at a time. It looks...

Vaibhav Gupta - freecodecamp

Mobile

How to Implement LEGO Architecture in Flutter [Full Handbook]

Almost everyone has snapped two LEGO bricks together at some point, even without owning a single set as an adult. You press one brick down onto another, feel...

Atuoha Anthony - freecodecamp

Other

How to Connect to HMRC's Making Tax Digital API: A Beginner's Guide

If you write software for anyone who pays UK tax, sooner or later you'll need to talk to HMRC. Making Tax Digital (MTD) for Income Tax went live on 6 April...

Solomon Amos - freecodecamp

How to Prevent Race Conditions in Django

Let's say you have enough credit left to generate one more image in an AI app. You submit a request in one browser tab, then submit another in a second tab...

Mari - freecodecamp

Apple Watch’s New VO2 Max Test: How It Measures Your Cardiorespiratory Fitness

Your Apple Watch can tell you how fast you're moving, how your heart responds to exercise, and how your workout changes over time. But one of its more...

Reetain Raina - freecodecamp

How to Sandbox a Linux Process with Landlock, No Root Required

Here's a program restricting itself, then trying to read two files: without landlock: read /etc/hostname ok read /tmp/secret.txt ok...

Chris Roy - freecodecamp

How to Build a Self-Evaluating AI System: Automated Testing and Evaluation Pipelines for LLM Applications

So you shipped your AI feature and it works in demos. Your team is impressed. Then a user asks a question slightly outside your test cases and the model...

Jude Otine - freecodecamp

How AI Is Changing Malware Detection: From Traditional Antivirus to Next-Gen Protection

Malware used to be simple to describe. A virus attached itself to a file, and antivirus software removed it. That world is gone. Today, a single attack can...

Manish Shivanandhan - freecodecamp

Apple Watch Can Now Estimate Your Health Age, But What's It Actually Measuring? 

Your birthday tells you how many years you've been alive. But it doesn't necessarily tell you how your body is aging. Two people can be the same age and still...

Shradha Puri - freecodecamp

What Is an Agent Harness? The Architecture Behind Claude Code, DeepSeek Harness, and Hermes Agent

On August 13, 2026, DeepSeek published a GitHub repository called deepseek-harness. Within two days, it had passed 95,386 stars and 8,826 forks (a vanity...

Rudrendu Paul - freecodecamp