Code Maintenance & Programming Rules

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 This guide outlines essential best practices spanning code style, architectural design, debugging, testing, performance, and portability—all aimed at reducing the long-term cognitive load of code maintenance. 🎨 1. Style Code is written for humans to read, and only incidentally for computers to execute. Variable Naming : Use descriptive names for global variables, and short names for local variables. Precision and Consistency : Use active names for functions (e.g., calculateTotal ). Above all, keep your coding style consistent throughout the project. Structure & Expressions : Use a consistent indentation and brace ( {} ) style to show program structure visually. Use the natural form for expressions. Use parentheses to make the semantics unambiguous. Break up overly complex expressions to keep them clear. Side Effects & Macros : Beware of functions with side effects. Avoid function-like macros; if unavoidable, parenthesize the macro body and arguments carefully. Magic Numbe...
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打造自己的 Python 直譯器

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此篇文章要說明如何在 Lubuntu 20.04 編譯自己的 Python Interpreter，使用的 Python Source Code Version 為 3.9.0a6。

步驟一：更新 Lubuntu 系統
sudo apt-get update

步驟二：安裝編譯程式庫
sudo apt-get install -y build-essential checkinstall 
sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev /
tk-dev libgdbm-dev libc6-dev libbz2-dev

步驟三：下載 Python 原始碼
cd /usr/src
sudo wget https://www.python.org/ftp/python/3.9.0/Python-3.9.0a6.tgz

步驟四：解壓縮
sudo tar xzf Python-3.9.0a6.tgz

步驟五：設定編譯參數
sudo ./configure --enable-optimizations

步驟六：編譯並安裝
sudo make altinstall


步驟七：確認 Python 版本
python3.9 -V

步驟八：測試 Python 直譯器
建立 hello.py 檔案，內容如下：
print("這是Python")

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