DEV'S DAILY DIGEST

Development

How to Implement PayPal in a Microservice Architecture Using NestJS, gRPC, and Docker

In this tutorial, you'll build a production-ready PayPal payment service using NestJS microservices. Along the way, you'll learn how to isolate payment logic...

Md Tarikul Islam - freecodecamp

Intro to Shaders: JavaScript and p5.js Course for Beginners

Are you ready to unlock the true rendering power of your computer and create breathtaking visuals? We just published a new course on the freeCodeCamp.org...

Beau Carnes - freecodecamp

When It Makes Sense To “Block” The Main Thread

The common rule of thumb is to never “block” the browser’s main thread when running JavaScript tasks. But is this a hard rule? Victor Ayomipo describes a use case he encountered...

Victor Ayomipo - smashingmagazine

UX

No, People Don’t Want More AI In Their Life

Many companies assume everyone craves new AI features. But the reality is that most people don't want more AI — at least not in the way most AI leaders envision it. Brought...

Vitaly Friedman - smashingmagazine

Design

The Observer Design Pattern Handbook: Event-Driven Architecture & Domain-Driven Design in Dart

Every application, at some point, has to deal with a fundamental challenge: something happens, and several other things need to react to it. A user logs in,...

Oluwaseyi Fatunmole - freecodecamp

Mobile

How Neural Machine Translation Works: Build Your Own Translation App with React Native and QVAC

For the past 10 years, we've experienced a massive improvement in translation technologies. We went from robotic-like translations to systems that not only...

Jibril-M🍀 - freecodecamp

Master Full-Stack Mobile Development with React Native

Do you want to get into mobile development and build cross-platform applications? We just published a comprehensive new course on the freeCodeCamp.org YouTube...

Beau Carnes - freecodecamp

Security

How to Fix Common Web Application Security Vulnerabilities in Node.js

Here's something that tends to surprise developers who are new to security: most web vulnerabilities aren't the result of sophisticated attacks. They come...

Hackita - freecodecamp

Other

A Beginner's Guide to Python: Hands-On Projects to Get You Coding

Have you been wanting to learn how to code but found it a bit too overwhelming or confusing? We just published a brand new course on the freeCodeCamp.org...

Beau Carnes - freecodecamp

Understanding Dijkstra's Algorithm

In 1956, a young programmer was taking his girlfriend shopping in Amsterdam. Feeling tired, they sat down at a cafe terrace for a cup of coffee. In the 20...

Beau Carnes - freecodecamp

Why "It Worked on My Machine" Still Happens in 2026

Every engineering team has said it at least once: "It works on my machine." The phrase has become a running joke in software, but it's rarely funny when it...

Manish Shivanandhan - freecodecamp

How I Used Harness Engineering to Make Our Company AI-Native

Most companies say they want to "adopt AI". In practice this usually means a chatbot bolted onto a website. Meanwhile, engineers using AI coding tools hit the...

Tech With RJ - freecodecamp