A production-quality, real-time chat backend built with Java 21 and Spring Boot — featuring JWT-secured REST APIs, live messaging over WebSocket/STOMP, presence tracking, rate limiting, and fully ...

The application is publicly deployed and can be used directly in the browser. Create an account, join or create a room, and test real-time messaging. The backend may ...

Spring AI 2.0是Spring官方精心打磨的AI抽象层——克制、标准、可移植。它像JDBC一样，让你用统一的接口接入各种AI模型。如果你只需要“接入AI”，它就是最好的选择。 前言 最近有球友问：“三哥，Spring AI 2.0和Spring AI Alibaba，选哪个更好？” 这两个框架，一个背靠Spring官方，一个背靠阿里云，都是2026年Java AI开发领域最炙手可热的存在 ...

An engineered enzyme cleaved and repaired age-related protein damage in human tissue, which was long thought to be irreversible in a proof-of-concept study.