这不是一条 SQL 就搞定的事情吗？ 我曾经负责过的并发量蛮高的商品库存系统，核心扣减逻辑真的就是靠一条 SQL 搞定的。没有引入分布式锁（如 Redis Lock）或者消息队列。 核心思路其实就是数据库层面的乐观锁。利用 MySQL 的行锁特性 + UPDATE 语句的原子性，再配合 Java 中判断影响行数（Affected ...

The president says tourists are put off by Indonesia's 'rusty zinc' roofs, and its image would improve with wider use of clay tiles Indonesia's President Prabowo Subianto has called for a nationwide ...

Helical IT Solutions is excited to release Helical Insight version 6.1.0.862, a significant update to its open-source Business Intelligence (BI) platform. This release reinforces Helical Insight’s ...

OpenJDK的Amber项目发布了一份全新的设计说明，名为“Java面向数据编程：超越记录类（Record）”，阐述了一种探索性的方案，以便将类似记录类的特性拓展至更灵活的类设计中。该文档引入了载体类（carrier class）与载体接口（carrier ...

A massive 5.8 magnitude earthquake struck south of Java, part of the Indonesian archipelago, on Thursday night, with tremors felt across the Islands. The earthquake, with its epicentre a mere 10 km ...

A strong 5.8 magnitude earthquake struck south of Indonesia’s Java Island on Thursday, US Geological Survey (USGS) said. The quake took place south of Java Island at 1806GMT and originated from a ...

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JAKARTA, Indonesia — A predawn landslide triggered by torrential rains on Indonesia's main island of Java killed at least eight people on Saturday and left 82 missing as rescuers struggled through ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. In this photo released by the Indonesian National ...

In One UI 8.0, changing your resolution felt intrusive. A massive floating card would pop up, obscuring nearly half of your camera preview. It was also laden with "instructional" text, like "Full HD ...