Lessons
The following lessons explain different programming concepts and have been published by our members. Search for a particular lesson using the filters
Master the power of **Random Forests** in Python! Learn to implement this robust machine learning model for classification and regression. Discover more now!
Comprehensive guide to getting started with React Native CLI; set up your development environment for iOS and Android, master the fundamental components (View, Text, Image, ScrollView), and the props system to build cross-platform mobile apps from scratch.
A practical and beginner-friendly guide to understanding how React Native manages component state, lifecycle effects, and conditional rendering using TypeScript. Learn how UI reacts automatically as data changes through real examples.
Learn to debug collaboratively with artificial intelligence: from a real-world case of a dark theme that doesn't persist, to a clear methodology for reporting bugs, conversing with AI, avoiding anti-patterns, and documenting what you've learned. Includes effective prompts, progressive examples, the CLEAR structure, and real improvement metrics.
Learn to craft a detailed implementation plan to effectively guide AI coding partners in developing software. This guide covers defining project scope, target audience, technologies, MVP functionalities, front-end best practices, and iterative deployment strategies for successful AI-assisted project development.
Discover the best AI tools and platforms to create stunning digital avatars, from simple portraits to talking characters.
A poorly validated line of code can become an open window to the heart of the server. In this lesson, you will learn to identify, exploit, and understand the Local File Inclusion (LFI) vulnerability, one of the most common and dangerous flaws in web applications. Because every parameter is a possibility.
Master the boosting algorithm in Python! Learn how to implement XGBoost for classification and regression with step-by-step guidance. Discover more now!
Discover advanced navigation techniques in React Native with Expo Router: how to create complex nested routes, dynamically customize headers, and build conditional flows based on authentication state. Take your apps to the next level.
Master compound types, generics, and TypeScript configuration. A practical guide for developers who want to make the most of static typing in their projects.
From intuition to method: how to write, evaluate, and improve prompts with criteria. In this article, we bring together two mutually necessary pieces: the anatomy of an effective prompt and continuous iteration. The goal is for you to stop relying on luck and start working with a reproducible workflow
Unlock the secrets to effective Vibe Coding! This lesson dives into best practices for AI-assisted development, helping you plan, prototype, and deploy like a pro. Learn Vibe Coding best practices today!
Explore the different types of AI-generated avatars and how they can represent you in the digital world
In this lab, you will take on the role of a forensic analyst facing a compromised Linux system in real time. You will learn to apply live incident response methodologies, collect volatile evidence, analyze malicious persistence, and neutralize threats without alerting the attacker. An advanced exercise where even an image of the Mona Lisa may hide a persistent access mechanism.
Complete React Navigation guide by Callstack: learn Stack, Tab and Drawer navigation, TypeScript typing, deep linking, and advanced patterns for enterprise apps. Everything you need to know about professional navigation in React Native CLI.
Learn how to implement navigation in React Native using Expo Router and React Navigation. Discover how to structure routes, pass parameters between screens, and choose between Stack and Tab navigation to create scalable and maintainable mobile apps.
A complete and practical guide to modern JavaScript tools and patterns for developers experienced in other programming languages.
Learn how to install and configure Cursor, the VS Code-based editor that integrates artificial intelligence into your daily workflow.
Master MCP servers for vibe coding! Learn how to supercharge your AI development with browser tools, Playwright, Vercel, Supabase, and Zapier integrations.
An incident is not solved with commands, but with reasoning. This article explores the key skills every analyst must develop to face real attacks: from log analysis to binary interpretation, including persistence, event correlation, and investigative mindset.