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 ...

HR+ and standard bZ4X struggle to stand out in a crowded field, the Toyota bZ4X Touring adds an estate car-like blend of ...

Wacom today announced the Wacom MovinkPad Pro EVA Edition, a limited-edition package created in collaboration with EVANGELION ...

Microsoft has begun rolling out updated Secure Boot certificates through monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026. Introduced in 2011, ...

It’s your time to shine millennials, ankle boots are back and trending. Plus, more styles you’ll need for spring showers ahead. By Camila Quimper Feb 07, 2026 12:00 AMTags French girl fashion is back ...

Based on some spy shots we found online, we think it’s called the Decoy. Tecnica's new Decoy boot features beefier hardware and a more substantial shell. Versions include men's (130 flex), women's ...

Spring Boot is one of the most popular and accessible web development frameworks in the world. Find out what it’s about, with this quick guide to web development with Spring Boot. Spring’s most ...

Secure Boot is one of the key Windows 11 hardware requirements, and its certificates will soon expire. Here is why it is important and what you need to know. About three months ago, Microsoft ...