Lessons
The following lessons explain different programming concepts and have been published by our members. Search for a particular lesson using the filters
Learn how to optimize component rendering by memoizing callback functions with useCallback, preventing unnecessary re-renders and improving React application performance.
Learn how to create your own custom React hooks to abstract and share stateful logic between components, improving code reusability and maintainability.
Learn how to implement effective form validation in React applications, from basic client-side validation to advanced validation libraries and techniques for providing user feedback.
Understand dynamic routing in React Router: how to use route parameters, best practices for flexible navigation, and building data-driven React applications.
Enhance Security with Realistic Assessments. Learn about types, objectives, and ethical considerations in cybersecurity testing.
Use Shadcn UI's copy-paste components, built on Tailwind and Radix, for accessible and customizable React interfaces.
Learn essential techniques for identifying and exploiting known security weaknesses in penetration testing. This guide covers vulnerability scanning, analysis, manual validation, controlled exploitation, and automated tools to assess system security while ensuring ethical and legal compliance.
Learn how to use useMemo to memoize expensive computations, prevent unnecessary recalculations, and boost your React application's performance.
Explore popular form libraries like Formik, React Hook Form, and Yup for streamlining form handling in React applications, reducing boilerplate code, and simplifying validation.
Master controlled components in React forms, learn effective state management patterns, and build forms that provide real-time feedback and validation for an enhanced user experience.
Learn the essentials of React Router: what it is, how to use declarative and programmatic navigation, handle 404 pages, and create seamless navigation in React apps.
Learn how recurrent neural networks enable Deep Learning models to work with sequential data. Discover how they work, their applications in language, time series, and speech recognition, and why they are essential for understanding memory in artificial intelligence.
Explore how Tailwind CSS, a utility-first framework, helps you rapidly build and customize beautiful, responsive React interfaces without writing extensive custom CSS code.
Learn what recommender systems are, their main types, and the algorithms that make them work. A clear and pedagogical guide for students starting in Machine Learning and Data Science.
Learn how to use the useRef hook to directly access DOM elements, store persistent values across renders, and build more efficient React components.
Learn when and how to implement uncontrolled components in React forms, understand their benefits for simplicity and performance, and see how to use refs to access form values.
Learn how to handle forms in React applications, understand the key concepts of controlled and uncontrolled components, and implement basic form handling techniques.
Maximize Security with Vulnerability Scanners: Detect, Assess, Prioritize Threats in Systems, Applications, and Networks.
Discover three key strategies to train more effective deep learning models: reuse pre-trained networks with Transfer Learning, improve generalization with Data Augmentation, and prevent overfitting with Early Stopping. A practical guide for beginners.
Discover various methods for styling React applications, from traditional CSS and Inline Styles to modern CSS Modules, CSS-in-JS, and Utility-First CSS like Tailwind.