I review a lot of code. And I see a lot of comments that make people defensive. The person writing them doesn't mean to be rude. They're just being direct. But in English - especially written English - directness can feel harsh. Here's the problem:...

In this video I talk about how long it takes to learn Amazon Web Services in a realistic and practical way. I explain that timelines you see online, like learning AWS in 30 days or a couple of weeks, often don’t reflect real learning on the job. Inst...

Developer life is not just about writing code. To become a good developer, there are a few core skills that really matter: 1. Problem Solving In real-world development, most of the time is spent understanding problems and fixing bugs. Searching on ...

Encountering errors is a common occurrence. One such error that developers often encounter is the infamous "Function name must be a string" error. This error can be frustrating to debug, especially for beginners. This error shows up when we dynamical...

Security has always been an evergreen topic. Protecting your environment, reputation, and company assets from financial and reputational damage is critical. For today’s developers, it is no longer enough to know language syntax, design principles, or...

We often see that developers tend to try to figure out a new solution while debugging, however, it’s highly possible that someone else has already come up with it. This tendency to reinvent the wheel is both time consuming and in most cases unnecessa...

When I started learning AI and Machine Learning, I thought watching tutorials was enough. Models, algorithms, code examples — everything looked clear while watching. But the moment I tried to build something on my own, reality hit. ❌ The Tutorial Co...

Introduction In 2025, email remains the beating heart of enterprise collaboration, but it is also the most weaponized channel for cyberattacks. Over 3.8 billion hostile email-based attacks strike worldwide each day, enabled by both primitive miscon...

In today’s hyperconnected digital world, cybersecurity1 has become a non-negotiable priority for organizations of all sizes. From financial institutions safeguarding sensitive customer data to healthcare providers protecting patient records, software...

Introduction APIs power today’s digital world — from mobile apps to large-scale cloud systems. But as their use grows, so does the number of attacks targeting them. A single vulnerable API can expose sensitive data, compromise user accounts, or ev...

Allowed global variables and supposed memory savings. > TL;DR: Don't ever user Singletons For 20 years I have been teaching software at the University of Buenos Aires. In the software engineering course we teach design patterns and the same "scheme...

Index articles on software design > TL;DR: This is an index to already published articles on software design. Some rules must be followed and embraced to create great software designs. This article summarizes them, serving as an index to full sto...

Hello World! Welcome to the AI Group! We’re excited to have you here! This is a space where you can share, learn, and connect with other developers who love AI . Start by saying hi! Introduce yourself in the comments below—tell us your name, wha...

He is not your friend. It does not simplify life or make you more efficient. Just more lazy. It is time to stop using null > TL;DR: The simple mistake that is causing a lot of problems. Tearing Down Another Inveteracy You have been heavily using n...

When building APIs, one of the biggest challenges is preventing abuse and overloading your server with too many requests. Whether it’s a malicious bot or a misconfigured script, an uncontrolled request rate can degrade performance and even crash your...

In IT, we often think the best problem-solvers are those who can write flawless code or debug complex systems in minutes. However, research and real-world experience tell a different story: the most successful teams thrive not because of technical br...

Hello World! Welcome to the PHP Group! We’re excited to have you here! This is a space where you can share, learn, and connect with other developers who love PHP and web development. Start by saying hi! Introduce yourself in the comments below—t...