Compile or Crash

Call it before the clock runs out.

A real code snippet flashes on screen. You decide — does it run, or does it crash? No execution needed, so this works for every language, compiled or not.

8 cards

JavaScript

Master JavaScript from the ground up. This comprehensive course covers everything from variables, data types, operators, conditions, loops, functions, arrays, and objects to advanced concepts such as DOM manipulation, events, asynchronous JavaScript, APIs, promises, async/await, and modern ES6+ features.

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8 cards

Python Programming

Master Python from the ground up. This comprehensive guide covers syntax, data structures, functions, object-oriented programming, iterators, decorators, modules, and file handling through 58 hands-on lessons.

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8 cards

Java

Master Java programming from the fundamentals to advanced Object-Oriented Programming concepts. Learn Java syntax, variables, data types, operators, methods, arrays, strings, classes, objects, inheritance, polymorphism, exception handling, file handling, collections, and build a strong foundation for Spring Boot and enterprise development.

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8 cards

C++ Programming

Master C++ from the ground up. This comprehensive guide covers everything from basic syntax and procedural programming to advanced Object-Oriented Programming (OOP), memory management, and the Standard Template Library (STL). C++ is the backbone of high-performance software, game engines, and operating systems.

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8 cards

C Programming

Master C programming from the ground up. This comprehensive guide covers everything from basic syntax and data types to advanced concepts like pointers, dynamic memory allocation, and file handling.

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8 cards

PHP Programming

Master PHP from the ground up. This comprehensive guide covers syntax, forms, sessions, object-oriented programming, MySQL integration, authentication, and modern tooling through 70 hands-on lessons.

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8 cards

C# & .NET

Master C# and the .NET platform from the ground up. This comprehensive course covers C# syntax, data types, control flow, Object-Oriented Programming, collections, LINQ, and asynchronous programming, then builds into real-world web development with ASP.NET Core, Entity Framework Core, and Web APIs, through 66 hands-on lessons.

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8 cards

TypeScript

Master TypeScript from the ground up. This comprehensive course covers the type system, interfaces, unions, functions, classes, generics, enums, and type narrowing — the exact skills used to build production React, Angular, and Node.js applications — through 12 hands-on lessons.

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8 cards

Go (Golang)

Master Go from the ground up. This comprehensive course covers syntax, data types, structs, interfaces, error handling, and Go's signature concurrency model with goroutines and channels, then builds into real web services and testing, through 42 hands-on lessons.

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8 cards

Spring Framework

Master the Spring Framework from the ground up. This comprehensive course covers Inversion of Control, Dependency Injection, Spring beans, Spring MVC, and AOP, then builds into database access and testing, through 30 hands-on lessons.

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8 cards

Spring Boot

Master Spring Boot from the ground up. This comprehensive course covers auto-configuration, building REST APIs, Spring Data JPA, validation, security basics, and testing, then builds into a complete real-world API, through 32 hands-on lessons.

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8 cards

Hibernate

Master Hibernate from the ground up. This comprehensive course covers ORM fundamentals, entity mapping, HQL, relationships, caching, and transactions, then builds into performance tuning and Spring integration, through 28 hands-on lessons.

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8 cards

JSP

Master JavaServer Pages (JSP) from the ground up. This comprehensive course covers the JSP lifecycle, scripting elements, expression language, JSTL, and session management, then builds into the MVC pattern with Servlets, through 24 hands-on lessons.

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8 cards

Rust

Master Rust from the ground up. This course covers ownership and borrowing, structs, enums and pattern matching, control flow, functions, collections, and idiomatic error handling with Result and Option, through 12 hands-on lessons.

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8 cards

Kotlin

Master Kotlin from the ground up. This comprehensive course covers null safety, classes and objects, collections, data and sealed classes, and coroutines, through 12 hands-on lessons designed for beginners moving into real Android and backend development.

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8 cards

Swift

Master Swift from the ground up. This comprehensive course covers variables and control flow, functions and closures, Swift's signature Optionals, structs and classes, enums, collections, and protocol-oriented programming, through 12 hands-on lessons designed for beginners moving into real iOS and macOS development.

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8 cards

Perl

Master Perl from the ground up. This comprehensive course covers scalars, arrays, and hashes, Perl's famously powerful regular expressions, subroutines, references, and object-oriented Perl, through 36 hands-on lessons.

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8 cards

Lua

Master Lua from the ground up. This course covers tables, Lua's single all-purpose data structure, closures and scope, metatables and metamethods, string pattern matching, and how Lua gets embedded into games and applications, through 12 hands-on lessons.

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8 cards

GDScript

Master GDScript from the ground up. This course covers the node and scene tree architecture at the heart of Godot, signals, classes and inheritance, built-in vector and collection types, and exporting variables to the editor, through 12 hands-on lessons.

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8 cards

Ruby

Master Ruby from the ground up. This course covers Ruby's "everything is an object" philosophy, blocks, procs and lambdas, classes and modules, collections, and the Gems/Bundler ecosystem behind Ruby on Rails, through 12 hands-on lessons.

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