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Python Command Line Tools
Build powerful command-line applications with Click, argparse, and more. Learn professional CLI development patterns.
Available Books
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Minimal Python
Learn Python fundamentals with a minimalist approach. Focus on core concepts and practical applications.
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Testing in Python
Master testing practices with pytest, unittest, and TDD. Build reliable Python applications with confidence.
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Python for Data Science
Master Python fundamentals for data analysis with NumPy, Pandas, and real-world datasets. Interactive examples included.
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Deterministic Agents: PMAT Quality Metrics
Building Reliable AI Systems with Formal Verification. Interactive presentation on quality metrics and deterministic agents.
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The Ruchy Programming Language
Learn Ruby fundamentals with WebAssembly-powered interactive examples. Implementation-first documentation with TDD approach.
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WebOS - Browser Operating System
Educational microkernel OS demonstrating OS fundamentals. Run real commands, manage processes, and explore filesystem - all in your browser with WebAssembly.
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Monte Carlo S&P 500 Simulator
GPU/SIMD-accelerated portfolio simulation with 100K+ paths/second. Rust/WebAssembly engine with real-time telemetry, risk metrics (VaR, CVaR, Sharpe), and antithetic variance reduction.
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Shell ML Autocomplete
N-gram Markov Model shell autocomplete powered by WebAssembly. Type commands and see real-time predictions based on statistical language modeling.
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Pong AI with SHAP Explainability
Classic Pong powered by WASM with .apr AI models featuring real-time SHAP feature importance visualization. Watch the AI explain its decisions as it plays. 100% Rust - zero JS computation.
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Simular Orbit - N-Body Physics
High-precision orbital mechanics simulation with Yoshida 4th-order symplectic integrator. Features Toyota Way principles: Poka-Yoke type safety, Jidoka physics guards, and real-time Mieruka visualization. 37KB WASM.
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Physics Toy Sandbox
Kid-friendly Rube Goldberg machine builder! Drop balls, dominoes, ramps, and springs to create chain reactions. Remixable YAML contraptions with AI model support (.apr). 100% Rust/WASM - zero JS computation.