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  1. Free K–12 Curriculum for Computer Science and AI | Code.org

    Bring computer science and AI education to your classroom with Code.org’s free K–12 curriculum, hands-on projects, and teacher professional development—no prior experience needed.

  2. Code of Ordinances, Pittsburgh

    LIGHTING CODE.

  3. City Ordinances - Pittsburgh, PA

    Licenses Bulletins Community Resources Code Enforcement Condemned Buildings PLI Fees Building Codes

  4. Source code - Wikipedia

    Source code is the form of code that is modified directly by humans, typically in a high-level programming language. Object code can be directly executed by the machine and is …

  5. Hour of Code on Khan Academy | Khan Academy

    Anyone can learn to code! Spend an hour on Khan Academy learning to code, with our tutorials in JS, HTML, or SQL.

  6. Visual Studio Code - The open source AI code editor

    VS Code supports almost every major programming language. Several ship in the box, like JavaScript, TypeScript, CSS, and HTML, but extensions for others can be found in the VS …

  7. Learn to Code — For Free — Coding Courses for Busy People

    You will learn to code by building dozens of projects, step-by-step, right in your browser, code editor, or mobile app. You will also earn free verified certifications along the way.

  8. Learn How to Code | Codecademy

    Learn How to Code New to coding? Start here and learn programming fundamentals that can be helpful for any language you learn.

  9. Introducing Code Wiki: Accelerating your code understanding

    Nov 13, 2025 · Reading existing code is the one of the biggest, most expensive bottlenecks in software development. To address this issue and improve your productivity, we're introducing …

  10. HTML Basic - W3Schools

    Learn the basics of HTML with examples on W3Schools, including structure, elements, and creating simple web pages.