Rather than fully removing the key from the map, we set the register value to null. The metadata is kept around so we can disambiguate deletions from states that simply don’t have a key yet. These are called tombstones — the ghosts of CRDTs past.
Фото: Chen Junqing / Globallookpress.com
abs_target = os.path.abspath(target)，详情可参考Line官方版本下载
Спецборт МЧС России с покинувшими Иран россиянами вылетел из Азербайджана02:10
，更多细节参见下载安装汽水音乐
Digital access for organisations. Includes exclusive features and content.
Get editor selected deals texted right to your phone!，详情可参考体育直播