An advanced guide to learn English which might benefit you a lot 🎉 . 离谱的英语学习指南/英语学习教程。

你管这破玩意叫操作系统源码 — 像小说一样品读 Linux 0.11 核心代码

一些非常有趣的python爬虫例子,对新手比较友好,主要爬取淘宝、天猫、微信、微信读书、豆瓣、QQ等网站。(Some interesting examples of python crawlers that are friendly to beginners. )

A tool for quantitatively assessing permissiveness of access control policies in the cloud