IMPROBABLE BREAKING CHANGE: From versions 1.18.16 to 1.18.38, lombok automatically copies certain Jackson annotations (e.g., @JsonProperty) from fields to the corresponding accessors (getters/setters) ...

凌晨2点17分，某电商平台的后台监控突然发出刺耳警报——核心交易系统接口响应时间从平均200ms飙升至8秒，数据库CPU使用率突破95%，排队订单数在10分钟内累积超过5万笔。运维团队紧急排查后发现，问题源头竟是一次“看似无害”的需求变更：“在订单详 ...

在计算机科学的世界里，“缓存”被誉为最伟大的发明之一——它通过将频繁访问的数据存储在高速存储器（如CPU缓存）中，大幅减少了访问主内存的延迟，让程序运行如虎添翼。从CPU的多级缓存（L1/L2/L3）到数据库的查询缓存，再到应用层的本地缓存（如Guava Cache、Caffeine），缓存技术无处不在，成为提升性能的关键手段。

These questions come from my Udemy training and the certificationexams.pro website, resources that have helped many students pass the DP-100 certification. These are not DP-100 exam dumps or ...

最近，Spring生态系统中出现了一阵活动热潮，主要关注点是Spring Boot、Spring Security、Spring for GraphQL、Spring Integration、Spring Modulith、Spring REST ...

Operating massive reverse proxy fleets reveals hard lessons: optimizations that work on smaller systems fail at scale; mundane oversights like missing commas cause major outages; and abstractions ...