首先是 .DS_Store 文件，其英文全称为 Desktop Services Store（桌面服务存储），诞生于 1999 年 Mac OS X Finder 重写时期。这是一种由 macOS 自动创建的隐藏文件，本质上是一个采用 B-树（B-tree）结构的专有二进制文件。它主要用于存储 Finder 文件夹的自定义属性与元数据，这些数据通常无法直接由文件系统本身记录，例如用于记录图标位置的 Iloc、用于存储 Finder 注释（Finder Comments）的 cmmt、以及文件夹背景图片 BKGD 等。
Nasa said this additional flight would not slow down its return to the Moon - it is still aiming for 2028 for one or even two lunar landings in what will be Artemis IV and V.
。关于这个话题，爱思助手下载最新版本提供了深入分析
Tracing and identifying the sources of an outbreak is a challenging task that can take months or years. Thanks to the Blockchain, however, companies now know exactly where their food has been—so they can trace its location and prevent future outbreaks.
int pivotIdx = partition(arr, low, high); // 分区并获取pivot位置