Courses from 1000+ universities
AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.
600 Free Google Certifications
Artificial Intelligence
Data Science
Cybersecurity
L'Italiano nel mondo
Introduction to HTML5
Umano Digitale
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Discover how Extreme Programming principles can enhance work-life balance, reduce burnout, and improve overall quality of life in the tech industry. Learn practical tools for implementing XP in your company.
Explore API integration testing techniques, from mocking JSON responses to using VCR for recording and replaying HTTP interactions, enhancing test reliability and maintenance.
Learn advanced web scraping techniques, from headless browsers to handling edge cases, with practical demos and tips for overcoming anti-scraping measures and accessing mobile APIs.
Explore advanced static analysis tools for PHP, learn to integrate them into workflows, and optimize code for better bug detection and improved evolvability.
Explore PHP Fibers for modern async programming, build a PoC framework, and learn about nesting, global loops, and callbacks. Compare with generators and understand key differences from threads.
Explore how open source participation benefits businesses, staff, and the tech ecosystem. Learn strategies for implementation and pitching to leadership.
Improve code accessibility through well-written instructions, informative comments, and clear documentation. Learn techniques for effective technical writing and its benefits for developers.
Explore common pitfalls in modernizing development practices, learn from mistakes, and discover strategies for navigating change in resistant environments. Gain insights on improving processes and fostering collaboration.
Explore essential guidelines for creating accessible UX designs, covering color usage, contrast, multimedia elements, and forms. Learn about WCAG standards and testing tools for inclusive digital experiences.
Optimize PHP performance with OPCache, Realpath Cache, and Preloading. Learn configuration techniques, deployment strategies, and best practices for faster applications.
Learn safe refactoring techniques for legacy PHP code, including unit testing, mocking, and handling hard-coded dependencies to improve testability without breaking functionality.
Comprehensive overview of networking concepts for web developers, from basics to advanced topics, enhancing understanding of app infrastructure and preparing for potential failures.
Discover SOLID design principles to improve PHP code maintainability, extensibility, and readability. Learn practical techniques for better architecture and cleaner codebases.
Explore PHP extension development through step-by-step examples, converting PHP functions to C for improved performance and understanding core concepts.
Explore webhooks: their uses, design, and implementation. Learn to create, receive, and process webhooks for seamless system integration and data exchange in modern applications.
Get personalized course recommendations, track subjects and courses with reminders, and more.