不少 Java 老司机可能都被时间类业务坑过，也有不少互联网大厂犯过这类错误还登上了热搜。 最近我司的一名年轻程序员也跳进了时间戳这类存储、读取、转换的坑里。好在有 AI，有不少老程序员能够帮他迅速定位问题，才不至于产生大麻烦。
A new release has been published by Oracle US. [Oracle Releases Java 27 and Strengthens Post-Quantum Cryptography Support]• The new release provides 9 JDK Enhancement Proposals to help improve ...
Oracle (NYSE:ORCL) reported record first-quarter fiscal 2027 revenue as cloud infrastructure growth accelerated and the company brought substantial new AI computing capacity online. The company also ...
MariaDB 13 chega em GA com REF CURSOR, RECORD e RETURNING para UPDATE, facilitando migração de PL/SQL Oracle e reduzindo ...
这是一个面向对象的宠物服务预约管理系统，实现了多用户不同权限的功能，符合课程综合实验的要求。 项目结构 pet_service_system/ ├── src/ │ └── com/ │ └── pet/ │ ├── entity/ # 实体 ...
缓存和数据库一致性，是后端架构的经典问题，但从来没有「银弹」。所有方案的本质，都是在一致性、性能、复杂度三者之间做权衡。 做后端开发，缓存是提升性能的标配，但「缓存和数据库 ...
A Java web application that demonstrates secure file storage with data deduplication, role-based workflows, key-controlled access, and download monitoring. The system stores a file once, records its ...
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