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单词 Nullable
分类 造句方法、万能句子、例句及翻译、英语例句大全
释义
1 If nullable, it will contain the NULL value.
2 The nullable button should not be checked.
3 Specifically, any type defined as Nullable(Of T) wasn't allowed to be optional.
4 Converts the DialogResult property, which is a Nullable value of type Boolean , to and from other types.
5 Nullable types are new to .NET 2.0 and provide a technique for indicating whether a value type should, instead, be null.
6 A column is derived from TypedElement, and it has properties, such as nullable and defaultValue.
7 This means that a User must have an Organization associated with it when it is created (if the Organization was optional, you would use a nullable has_one relationship instead).
8 There is one major concern regarding this second strategy: in order for it to work, you must set all non-shared columns to NULLABLE.
9 It's the list of field names, types, and optional additional information (like the size, nullable, etc.) that adds some complexity.
10 I recently ran MoMA on SubSonic and found only one issue - a weird use of Nullable types.
11 Table 1 spells out the rules to compute firstpos() and nullable().
12 If the remote data source cannot handle the NULL value in a host variable or parameter marker, any function that involves binding a nullable value has to be evaluated locally.
13 Be sure to add a constraint that allows the new field to be both blank (in the HTML form) and nullable (in the database).
14 Not only does it have the same "null reference exception" that Java had, with generics we also were given the problems with Nullable value types.
15 Only the role field — the one that had a default value of user — passed the implicit nullable constraint.
16 Note the values for name, data type, default value and Nullable.
17 The metadata API also provides the ability to define nullable columns, establish primary keys, and set-up relationships between tables.
18 DialogResultConverter does not support converting from DialogResult ( a Nullable value of type Boolean ) to other types.
19 If you click on the System.out link at the bottom of the HTML report, you can see that three of the String fields (name, login, and password) all threw the nullable constraint violation.
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更新时间:2026/5/1 14:53:27