DEV'S DAILY DIGEST

Development

How to Build a Browser-Based PDF to Grayscale Converter Using JavaScript

Many PDF documents contain colorful charts, presentations, marketing materials, scanned pages, or graphics that aren't always ideal for printing or archiving....

Bhavin Sheth - 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 Build a Basic Discord Storytelling, Chat, and Mental Wellness Bot with Python

Discord bots can look surprisingly complicated when you see them in action. A bot can respond to messages, tell stories, remember parts of conversations, and...

Eva J Patel - freecodecamp

How to Build a Multi-Agent Trading Research System with LangChain Deep Agents [Full Handbook]

A trading research agent can write strategy code, run a backtest, inspect the results, and keep revising the strategy. The harder problem is making sure that...

Nikhil Adithyan - freecodecamp

Why Your Wearable Needs Weeks of Data Before It Becomes Useful

I can recall the time when I first put on the Oura Ring and checked my readiness score the next morning as if I were checking an exam score. I saw something...

Shradha Puri - freecodecamp

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

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