Curated PHP learning library with 7 PDF notebooks covering fundamentals, form validation, sessions and cookies, file and XML handling, MySQL with PDO, MVC, and AJAX/JSON, plus companion projects and a GitHub Pages site that makes the full learning path easy to explore.

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Python基础学习笔记 | Python Fundamentals Learning Notes. 基于Jupyter Notebook的Python入门学习仓库，涵盖基础语法、数据类型、函数、模块和代码实践。 A beginner-friendly repository containing Jupyter Notebook tutorials, runnable examples, HTML and PDF documents for Python learning and review.

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