关于这个问题的更多讨论，请参阅我的文章《空标志错误模式》。
For more discussion on this issue, see my article "The Null Flag Bug Pattern".
关于这个问题的更多讨论，请参阅我的文章空标志错误模式。
For more discussion on this issue, see my article The Null Flag bug pattern.
返回一个标志值将引起许多与我们上次讨论的空标志错误模式一样的错误。
Returning a flag value would have many of the same problems as the Null Flag bug pattern we discussed last time.
此外，这样使用空标志，程序员有效地掩盖了异常情况出现位置的迹象。
Additionally, by using null flags in this way, the programmer effectively buries the evidence of where the exceptional condition occurred.
中国国家航天局局长吴艳华表示，这标志着中国深空探索进入了一个新阶段。
It marks a new stage in China's deep space exploration, said Wu Yanhua, head of China National Space Administration.
此结构包含资源管理器的名称、指向资源管理器入口点的非空指针、标志和版本号。
This structure contains the resource manager's name, non-null pointers to the resource manager's entry points, a flag, and version number.
我们添加了NOTNULL标志来指示字段必须不能为空。
We added the NOT NULL flag to indicate that the fields must not be null.
但是，在这种情况下，这个链接的ref属性会设置为“null”值，而且链接的文本内容会隐藏起来，除非将显示空链接内容的标志设置为true。
However in this case, the link's ref attribute will be set to the value "null," and the link's text content will be hidden unless a flag to show null-link content is set to true.
引用一个不在内存中的段(段描述符的段存在标志为空)。
A reference was made to a segment not present in memory (one in which the Segment-Present flag of the segment Descriptor was cleared).
虚拟沙盒立即查明附件和下载，标志着他们在执行空合成环境，所谓的沙盘。
Virtual sandbox immediately identifies attachments and downloads and marks them for execution in a synthetic empty environment, called a sandbox.
如果数据库中的一列被标志为可空，那么数据模型类相应的属性将是一个可空的类型。
If a column in the database is marked as being nullable, then the corresponding property in the data model class created by the LINQ to SQL designer will be a nullable type.
本文研究关系数据库理论中空值在函数依赖中的语义问题，提出了带标志空值的关系中函数依赖的三种定义。
This paper deals with the semantics of null values in functional dependencies in database theory, and presents three different definitions of FDs in a single relation with marked nulls.
本文研究关系数据库理论中空值在函数依赖中的语义问题，提出了带标志空值的关系中函数依赖的三种定义。
This paper deals with the semantics of null values in functional dependencies in database theory, and presents three different definitions of FDs in a single relation with marked nulls.
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