DEV'S DAILY DIGEST

Development

How to Build a Browser-Based PDF Color Overlay Tool Using JavaScript

Sometimes you don't want to change the actual content of a PDF. You simply want to add a colored layer over part or all of the document. This can be useful...

Bhavin Sheth - freecodecamp

How to Build an AI Agent with Per-User OAuth Access [Full Handbook]

When your AI agent serves more than one person, every tool call must answer: who's the agent acting for? Let's learn how to solve this by building an AI agent...

Saif Ali Shaik - freecodecamp

UX

Building Tactile UX: Honoring Intentional Design With Lottie

When tasked with building a highly interactive, tactile web experience, the architecture must serve the art direction. In this article, Alexey Kopytin explains their architectural...

Alexey Kopytin - smashingmagazine

UI

How to Create a Scalable KYC Onboarding Flow in React with Shadcn UI

Every B2B SaaS product with a compliance requirement (like banking, lending, payroll, or crypto) hits the same wall early on: before you can let a business...

Vaibhav Gupta - freecodecamp

Design

Python for Mechanical Engineering

Whether you're designing robotics, analyzing fluid dynamics (CFD), or working through complex engineering data, learning to code is one of the most effective...

Beau Carnes - freecodecamp

Other

How to Modernize a Legacy Application with AI Without Turning It Into a Rewrite

I have seen legacy migrations considered successful because the old framework disappeared from the repository. Six months later, the team was still dealing...

Hugo Teijiz - freecodecamp

How to Build Production-Grade Agents with Pydantic AI

Building AI agents with raw LLM SDKs works fine for prototypes until you need structured outputs, testable code, and production reliability. The gap shows up...

Jay Mehta - freecodecamp

How the Chrome Dino Game Works Under the Hood: A Tour of Chromium's Source Code

You've seen it a hundred times: the Wi-Fi drops, Chrome shrugs, and a little pixelated T-Rex appears, ready to sprint through a desert the moment you hit the...

Alex Oliinyk - freecodecamp

How to Build a Production-Ready AI Agent for $0/Month Using PHP, cPanel, and Gemini Flash

In this tutorial, you’ll build a practical AI agent that can receive a user prompt, decide whether it needs to use a tool, execute that tool in PHP, store...

Chidozie Managwu - freecodecamp

Master Low-Level Graphics in C: Build a Software Renderer from Scratch

When learning C, it's easy to get stuck building text-based terminal applications that simply ask for user input and print a result back out. While those are...

Beau Carnes - freecodecamp

AI Paper Review: Generative Modeling by Estimating Gradients of the Data Distribution

Today, diffusion models have become one of the most influential families of generative AI systems. They power applications ranging from image synthesis and...

Mohammed Fahd Abrah - freecodecamp

New EU Guidelines For AI Labelling

New EU guidelines, why AI sparkles aren’t enough, when AI labels are required, and what the rules mean for AI-powered features and products.

Vitaly Friedman - smashingmagazine