What is Penetration Testing? Penetration testing (or pen testing) is a simulated cyberattack on a system, application, or network to find security vulnerabilities before malicious hackers can exploit them. The goal is to identify weaknesses in security controls, assess potential risks, and provide actionable recommendations for improvement. Types of Penetration Testing Black Box Testing...

We’ve entered an era where technology is evolving faster than ever — and quantum computing stands at the forefront of that transformation. In 2025, quantum computing is no longer a distant dream from sci-fi movies. Tech giants like IBM, Google, and Intel, alongside startups and governments, are racing to develop computers capable of solving problems beyond the reach of...

The error "Failed to install the app. Command failed with exit code 1: gradlew.bat app:installDebug" in a Node.js app (likely a React Native or Expo project) usually indicates a problem with your Android build setup. Here’s how to fix it: 1. Check the Full Error Log Run: npx react-native run-android --verbose This provides more details about why the installation is failing. 2....

Flickity is a popular JavaScript library for creating responsive and touch-friendly sliders. It supports various features, including thumbnail navigation, which allows users to click on small preview images to navigate the main carousel. Below, I'll walk you through the process of creating a Flickity slider with thumbnail navigation, explaining each key step. 1. Include Flickity Library...

1. What Is an Operating System? An Operating System (OS) is a system software that acts as an intermediary between a computer's hardware and the user or application programs. It controls: Hardware components (CPU, memory, disk, etc.) Software execution User interface Examples: Windows, macOS, Linux, Android, iOS. 2. Booting the OS (Startup Process) When you power on your...