These operating systems can actually manage the ownership and permission for file access with an ID rather than with a name.
这些操作系统可以使用 ID(而不是名称)实际管理所有权和文件访问权限。
Now, when an error is returned, you check for the error ID rather than simply displaying a default error message that isn't helpful to the user.
现在,如果返回一个错误,您就可以检查错误ID,而不只是显示对用户没有帮助的默认错误消息。
This code is the same as for the Create document button except for the first line, which gets an existing document using its universal ID rather than creating a document.
该代码与Create document按钮的代码一样,只是第一行有所不同,第一行使用其通用ID获取现有文档而不是创建文档。
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