The Dev World – Sergio Lema

Google Sign-In for React Native: The Complete Setup Guide That Actually Works

Spring @Transactional is Not Magic: The Proxy Trap and Why Your Data Isn’t Safe

The Microservices Tax: Why Your Distributed Architecture is Failing You

The Singleton Delusion: Why Your Implementation is Probably Broken

How to Use System Design in Your React Project

“AWS EC2: Unable to Connect,” a Security Group Checklist for Developers

Why Your Team Needs a Leader, Not Just More Developers

SLF4J, Logback, and Log4j: A Straightforward Guide to Java Logging

Flyway vs. Liquibase: Which Database Migration Tool is Right for You?

VM or Container? The Developer’s Guide to Choosing the Right Isolation

A Three-Step Framework for Launching Your Project

Centralized Error Handling with React useContext

The Art of Prompting for a Developer

The No-Code Backend