Batam has the cleanest air in Indonesia on February 26, 2026 afternoon with an AQI of 6, followed by Malang and Tebo Regency. KLHK classifies air quality into 5 categories, and Batam's index falls int ...

Nizam Syafei was rushed to hospital in West Java, Indonesia, after suffering extensive injuries - and was asked to point out who had caused his wounds moments before he passed away ...

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 ...

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 ...

Abstract: Visibility is essential for operating and troubleshooting intricate networks. In-band Network Telemetry (INT) has been embedded in the latest merchant silicons to offer high-precision device ...

Creating simple data classes in Java traditionally required substantial boilerplate code. Consider how we would represent Java’s mascots, Duke and Juggy: public class JavaMascot { private final String ...

Community driven content discussing all aspects of software development from DevOps to design patterns. When the seminal Java whitepaper introduced the language in 1995, it listed seven key benefits ...

Developers make assumptions about how our code will behave when executed, but we’re not always right. Without certainty, it is challenging to write programs that work correctly at runtime. Java ...