题库
覆盖全部讲义核心概念的免费闪卡题库，按 11 个主题组织（HTTP、HTML/表单、CSS/响应式、Django/MVC、数据库/ORM、Web 安全、RESTful API、无障碍、PWA、云部署/Linux、GenAI/RAG）。用填空式闪卡帮助学生快速自检是否记住了 lecture 中的关键概念。
HTTP is a _____ protocol, meaning the server keeps no information about previous requests between request-response cycles.
HTTPS differs from HTTP in two ways: it _____ all data in transit and runs on a different _____.
HTTP works as a _____ protocol: the client sends a request and the server returns a response.
The four HTTP methods used for CRUD operations on a REST resource are GET, POST, _____ and _____.
The HTTP status code that indicates an Internal Server Error is _____.