Projects sharing features with Scala School

JRuby is a Ruby language implementation that runs on the Java Virtual Machine. It serves as a cross-language runtime and execution environment, allowing Ruby code to run on the JVM and share memory with Java applications. The project functions as a bridge between Ruby and Java, enabling Ruby scripts to call Java classes and libraries directly. It also provides a mechanism to embed a Ruby interpreter into Java applications to allow for dynamic scripting. The runtime leverages the JVM for system scalability and ensures a consistent execution environment across different operating systems.

This project is a comprehensive educational guide and curriculum for applying functional programming principles and category theory within the JavaScript ecosystem. It provides a structured learning path focused on writing predictable and scalable code through the use of pure functions and immutability. The resource includes a dedicated course on algebraic data structures and a functional programming tutorial. To reinforce theoretical concepts, it features a set of interactive coding exercises and runnable programming challenges for hands-on practice. The materials cover a broad range of fun

This project is a collection of Objective-C iOS application demos and code samples. It provides implementations for core development patterns and system-level features within the iOS environment. The repository focuses on Objective-C runtime examples, demonstrating dynamic method dispatch and runtime swizzling to modify object behavior. It also includes a Core Animation UI library and samples for iOS multithreading and concurrency management. The project covers capabilities for UI animation and graphics, concurrent task coordination, and the integration of third-party services for authentica

This project is a comprehensive study kit and resource archive for the Structure and Interpretation of Computer Programs (SICP) course. It serves as a curated learning path for studying functional programming and the fundamentals of program construction, providing a centralized directory of textbooks, tutorials, and instructional materials. A primary focus of the repository is multilingual accessibility, specifically providing Chinese translations of English lecture subtitles and transcripts. These translated resources are mirrored across multiple video hosting platforms and cloud storage pro

Concurrent Ruby is a comprehensive concurrency toolkit for the Ruby language that provides thread-safe data structures, synchronization primitives, and asynchronous execution patterns. It implements core concurrency abstractions including an actor model framework where isolated actors communicate through asynchronous message passing, a future and promise system for composing non-blocking operations, and thread pool executors that manage reusable worker threads for concurrent task execution. The library distinguishes itself through a broad set of coordination mechanisms that go beyond basic th

This repository is a comprehensive collection of instructional guides and practical examples for Python development, focusing on machine learning, data science, and web scraping. It provides implementations for neural networks, reinforcement learning algorithms, and deep learning architectures using PyTorch, alongside detailed manuals for scientific computing and data visualization. The project distinguishes itself by offering specialized tutorials on concurrent programming to optimize CPU performance and guides for setting up Linux development environments. It covers the implementation of ad

Zero-cost asynchronous programming in Rust

Reason is a strongly typed functional language and multi-target compiler designed to produce either JavaScript for web environments or native machine code for operating systems. It serves as an OCaml-compatible language that shares an abstract syntax tree with OCaml, providing a practical syntax for the OCaml ecosystem. The project functions as a type-safe frontend language, incorporating JSX support to build user interfaces through structural elements that translate into type-safe function calls. It enables deep integration with the JavaScript ecosystem, allowing the use of existing librarie

Parallel is a Ruby library and multi-process execution framework designed to accelerate CPU-intensive operations. It functions as a parallel job orchestrator and concurrent task runner that enables the execution of code across multiple processes or threads. The project distinguishes itself through secure inter-process communication, utilizing signed data serialization to prevent the injection of forged payloads between parent and child processes. It further differentiates its worker management by assigning unique identifiers to individual processes to prevent collisions when accessing shared

This project is a comprehensive library of practical Python code examples and patterns. It provides a collection of scripts and snippets designed to demonstrate a wide range of programming tasks, from basic syntax to advanced implementation patterns. The repository focuses on several core domains, including the implementation of concurrency and multithreading examples, data analysis snippets for cleaning and manipulating tabular data, and various data visualization examples. It also covers automation scripts for file system management and a variety of general programming patterns. Additional

This is an open-source, crowd-sourced wiki textbook that teaches Linux system programming in C. It covers the core operating system concepts of process management through the fork-exec-wait model, dynamic memory allocation using implicit free list heap allocators, inode-based file systems, inter-process communication via pipes and shared memory, POSIX threads with synchronization primitives, signal-based asynchronous notification, virtual memory with page table translation, and runtime diagnostics using Valgrind and GDB. The textbook distinguishes itself by providing practical, implementation

Python-100-Days is a structured Python programming curriculum designed as a project-based learning resource. It provides a series of daily modules and exercises intended to guide learners from basic language fundamentals and syntax to advanced software architecture. The curriculum focuses on implementing object-oriented programming through classes and inheritance to build complex software structures. It also serves as a technical guide for system-level automation, covering multi-threaded operations and network communication. The project covers a broad capability surface including full-stack

This repository is a collection of practical code snippets and implementation patterns for Flutter and Dart. It serves as a comprehensive guide and reference for asynchronous programming, state management patterns, and UI component design. The project provides advanced language reference material covering generics, reflection, factory constructors, and null-aware operators. It also includes specific utilities for manipulating Dart collections, such as helper methods for transforming and filtering maps, lists, and iterables. The coverage extends to high-level capabilities including asynchrono

This project is a comprehensive performance programming guide and reference for the Go language, focusing on runtime efficiency and memory optimization. It provides a collection of patterns and techniques designed to increase execution speed by reducing garbage collection overhead and optimizing memory usage. The resource distinguishes itself through detailed reference implementations for memory optimization, such as escape analysis, object pooling, and structure memory alignment. It offers specific strategies for reducing binary size and improving CPU cache efficiency through structure memor

Scala is a statically typed programming language and compiler that combines object-oriented and functional programming paradigms. It serves as a cross-platform runtime language capable of targeting the Java Virtual Machine and JavaScript to share logic between backend servers and web frontends. The project provides a functional programming framework with immutable data structures and higher-order functions to build reliable concurrent and distributed applications. It distinguishes itself through deep interoperability with Java and JavaScript ecosystems and the ability to transform code into n

This project is a Swift standard library extension and cross-platform system library. It provides a collection of core utility types and fundamental data structures that extend the base Swift language, acting as an OS-independent interface layer for handling system operations such as networking and file systems. The project features a specialized C++ interoperability layer that maps C++ types and functions into compatible Swift interfaces for cross-language communication. This includes a bridging mechanism to handle standard library types and foreign containers, allowing C++ types to be mappe

toolong is a terminal log viewer and TUI log manager designed for monitoring live log streams and navigating large log files. It functions as a log aggregator and JSONL formatter, capable of merging multiple log files into a single chronological view by automatically detecting timestamps. The application supports the visualization of structured data by pretty printing JSONL files and applying syntax highlighting to common web server log patterns. It handles large-scale data efficiently through virtual-sized scrollable views, allowing users to open compressed logs or files of any size without

This project is a comprehensive educational repository designed to help developers master the core mechanics, runtime behaviors, and browser-native capabilities of the JavaScript language. It provides a structured knowledge base that covers fundamental language features, such as prototype-based inheritance and event-loop-based concurrency, alongside advanced topics like JIT-compiled execution and memory management. The repository distinguishes itself by offering deep-dive technical guides that bridge the gap between abstract language concepts and practical browser implementation. It features

This project is a comprehensive programming course and educational curriculum designed to transition developers from basic scripting to advanced software development. It provides structured guides and technical exercises focusing on language internals, professional software architecture, and sophisticated programming techniques. The curriculum distinguishes itself through a deep focus on language internals, analyzing object behavior and memory efficiency to improve execution speed. It provides specialized instruction on metaprogramming using decorators and dynamic attributes, as well as async

This repository contains the code exercises and answers that accompany the book Functional Programming in Scala. It is a structured learning resource designed to help readers build functional programming skills through hands-on coding practice, with exercises organized by chapter. The project provides a complete development workflow for learners, including the ability to compile and run Scala code directly from the command line using Scala CLI. It also includes unit tests for each exercise, allowing readers to verify their solutions and track their progress as they work through the material

Python-Guide-CN is a Chinese translation of a comprehensive guide to idiomatic Python programming and software development. It serves as a curated programming tutorial and ecosystem reference, providing a structured path for learning Python syntax, standard libraries, and professional coding patterns. The project distinguishes itself by offering detailed instructions for setting up development environments across Windows, macOS, and Linux. It specifically focuses on the selection of interpreters and the management of virtual environments to ensure a consistent workspace. The guide covers a b

Scala Exercises is an interactive learning platform designed for mastering the Scala programming language through browser-based coding challenges. It functions as a comprehensive educational framework that structures programming lessons into sequential modules, providing immediate feedback on user-submitted code through automated validation. The platform distinguishes itself by treating educational content as modular, versioned artifacts that can be dynamically registered and integrated as project dependencies. This architecture allows for the creation of custom learning paths where exercises

This project is a C++ learning resource and study guide consisting of structured notes and programming examples. It provides practical implementations and exercise solutions covering core language syntax, data types, and control flow. The repository features specialized samples for object-oriented design, including class inheritance, polymorphism, and abstract classes. It includes demonstrations of memory management techniques such as dynamic allocation, move semantics, and placement new, as well as template programming examples for creating generic functions and data structures. The codebas

This project is an educational platform and tutorial series designed to teach the Go programming language through the practice of test-driven development. It provides a structured path for developers to master language fundamentals, concurrency, and standard library usage by building functional applications in small, verifiable increments. The core methodology centers on the test-driven development cycle, where failing tests are written before implementation to define requirements and ensure code correctness. This approach is applied across a wide range of practical scenarios, including the c

This project is a comprehensive programming education platform designed to teach Python fundamentals through a structured curriculum. It provides a sequence of lessons and exercises that cover core language syntax, data structures, and object-oriented programming concepts to help beginners build a foundation in software development. The curriculum distinguishes itself through a modular design that decomposes complex topics into discrete, sequential units. It utilizes a multi-modal delivery approach, combining written documentation with video tutorials and code samples to accommodate different

This project is a comprehensive educational series designed to provide a deep technical understanding of the JavaScript programming language. It functions as a multi-volume curriculum that guides developers through the core mechanisms, execution models, and underlying specifications that define how the language operates at a fundamental level. The curriculum distinguishes itself by focusing on the internal architecture of the language rather than surface-level syntax. It provides rigorous analysis of complex topics such as lexical scope, closure-based state encapsulation, prototype-based inhe

This project is a functional programming course and automated coding curriculum designed to teach the core principles of the paradigm through a structured sequence of exercises and modules. It serves as an interactive programming tutorial where learners solve incremental problems and validate their understanding through a programming exercise suite. The curriculum is language-agnostic, focusing on core logic and paradigms rather than a specific language. It employs an automated toolchain that transforms source code into executable binaries to verify solutions. Correctness is validated using