上一次讨论类似问题，还是在月初。刚好有老外网友做了一个实验，对 62 门编程语言速度做了一个比较，通过莱布尼茨公式计算 π 值，然后给出运行速度的排名，最慢是 Python （CPython）。实验过程和结果都公开透明，参见网址：https://github.com/niklas-heer/speed-comparison。 有时候，我挺理解那些对 Java 有偏见的程序员的。比如，Python ...

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 ...

Java Development Kit (JDK) 26, a planned update to standard Java due March 17, 2026, has reached its second release candidate (RC) stage. The RC is open for critical bug fixes, with the feature set ...

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 ...

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 ...

Integer Holdings Corporation is currently listed on NYSE under ITGR. One share of ITGR stock can currently be purchased for approximately $86.68. Is Integer Holdings Corporation (ITGR) overvalued or ...

Safe coding is a collection of software design practices and patterns that allow for cost-effectively achieving a high degree ...

ABI and scripting to the Wasm Component Model (WASI Preview 2). He shares how to build secure plugin systems that run at near ...