Cosas de Tecnología

How to enable Google’s 2FA (2FA) authentication in your browser?

Two-factor authentication (2FA) has become a standard for online security. While many people use mobile apps like Google Authenticator, you can now enjoy this functionality directly from your browser. Here’s how. What is Google Authenticator (2FA) and why use it in the browser? The Google authenticator generates unique temporary codes that strengthen the security of … Read more

Protect your tables and prevent accidental deletions in MySQL with custom triggers and errors (SQLSTATE 45000)

In environments where data integrity is critical, such as billing or sales systems, simply assigning user permissions is not always enough: sometimes you need to directly prevent the deletion or modification of records in certain tables.MySQL allows us to do this easily with triggers and the SIGNAL command. For example, suppose we have a Sales … Read more

Avoid Smart App Control blocking when installing FileZilla on Windows 11 (Quick Guide)

Recently, many users have encountered a problem when trying to install the popular FTP client, FileZilla. When running the installer, Windows displays a Smart App Control message indicating that the application has been blocked because it “may cause your device to run slowly or display unexpected ads.” Here we explain what’s really happening and how … Read more

How to fix PHP validation errors in VS Code

If when you open Visual Studio Code you see the error message: “Cannot validate because C:\php\php.exe is not a valid PHP executable”, it means that the editor cannot find the PHP engine to check your code in real time. Follow these steps to fix it quickly: 1. Download and install PHP 2. Configure the path … Read more

GoPro HERO13 Black Review

The GoPro HERO13 Black does not represent a massive leap in raw sensor resolution (it maintains the same 1/1.9-inch format with an 8:7 aspect ratio as the HERO12), but it resolves practically all the operational complaints of the previous generation and adds an ecosystem that makes it a much more modular tool. The Smart Lens … Read more

Technical Implementation of the Virtual Complaints Book in Peru: Architecture and Compliance

The Virtual Complaints Book is not just another contact form; in Peru, it is a strict legal requirement regulated by the Consumer Protection and Defense Code (Law No. 29571) and overseen by INDECOPI. From a software engineering perspective, its implementation requires a precise data architecture, the generation of immutable receipts, and automated notifications. The technical … Read more