A New Way to Opt-Out of AI Training in robots.txt | What is __usage_ai-training? Verifying How to Read It with Python [October 2026]

On October 30, 2026, it was reported that OpenAI, Google, Microsoft, and Anthropic announced they would respect a new ...
cyberq

Python 生態系緊急更新 pip、certifi 與 CPython

Python 官方在 discuss.python.org 發布公告，說明印度憑證機構 eMudhra（emSign）的中繼 CA 安全事件對 Python 使用者的影響。由於 eMudhra 有 8 張中繼 CA ...

Python 3 Certified Practical Engineer Exam: 500 Four-Choice Questions Focusing on Standard Libraries and Language Specifications! 2026 Edition

This is a PDF problem collection for the Python 3 Certified Practical Engineer Exam, containing 500 original four-choice questions across 12 chapters, including language specifications, classes, ...
blog.csdn

Python爬虫入门：urllib+BeautifulSoup四步实战课

本文是一份面向零基础学习者的Python爬虫入门教程，聚焦urllib与BeautifulSoup组合的四步闭环实践：HTTP请求发送、HTML字节流解码、DOM树解析定位、图片URL拼接与下载。内容涵盖编码处理、相对URL补全、BS4选择器语法、常见报错排查（如空列表、0KB图片、class匹配失败）及模块化封装技巧，强调环境一致 ...