null class 中文意思是什麼
null class
解釋
空類-
Gets the property descriptor that is used for sorting the list if sorting is implemented in a derived class ; otherwise, returns a null reference nothing in visual basic
如果在派生類中實現了排序，則獲取用於對列表排序的屬性說明符；否則返回空引用（在visual basic中為nothing ） 。 -
The paper examines four general types of nominal linking devices : gender agreement, such as that commonly found in european languages ; the noun class phenomenon, typical of african and australian languages ; classifiers, such as those of east and southeast asian languages ; and semantically null linking particles, found throughout the world ' s languages
本文主要檢閱了四種一般類型的名詞連接單位：在歐語中常出現的性別對應關系、非洲語及澳大利亞語典型的名詞類現象、東亞及東南亞語特有的單位詞，以及在全世界語言中皆共有的語意上無意義連接語助詞。 -
Arrays, whether local or class - level, are always initialized. ( 24 ) strings are initialized to null, not empty string. ( 25 ) an empty string is not the same as a null string. ( 26 ) a declaration cannot be labelled
這句話是說:多維數組中子數組不一定必須有一定個數的元素，比如我們把一個二維數組看成一個矩陣，那麼行與列中的元素可以不完整，可以不對齊 -
Class to allow two users to chat from two separate computers connected by a null modem cable
類以允許兩位用戶分別在兩臺通過null數據機電纜連接的獨立計算機上聊天。 -
Parameter is not a null reference nothing in visual basic and is not an instance of the same class as the current permission
參數不為空引用（在visual basic中為nothing ） ，並且不是與當前權限屬于相同類的實例。 -
Class and indicates whether the field is the primary key for the data row, whether the field is a database identity field, and whether the field can be null
類的新實例，並指示該欄位是否是數據行的主鍵，該欄位是否是數據庫標識欄位，以及該欄位是否可以為空。 -
Class and indicates whether the field is the primary key for the data row, whether it is a database identity field, and whether it can be null and sets the length of the field
類的新實例，指示該欄位是否是數據行的主鍵，該欄位是否是數據庫標識欄位以及該欄位是否可以為空，並設置該欄位的長度。 -
An object that implements, or is a derived class of, the given service type ; otherwise, a null reference nothing in visual basic if the service does not exist in the service container
實現給定服務類型或作為其派生類的對象；否則，如果服務容器中不存在該服務，則為空引用（在visual basic中為nothing ） 。 -
Class with its message string set to the empty string, its hresult set to cor e io, and its inner exception set to a null reference
類的新實例，使其消息字元串設置為空字元串（ " ） ，其hresult設置為cor _ e _ io ，而其內部異常設置為空引用。 -
Class with all fields set to a null reference nothing in visual basic
類的新實例，將所有欄位都設置為空引用（在visual basic中為nothing ） 。 -
It redefines the between - class scatter by adding a weight function according to the between - class distance. therefore, it can separate the classes as much as possible. at the same time, it projects the between - class scatter into the null space of the within - class scatter that contains the most discriminant information
新方法重新定義了樣本類間離散度矩陣，在原始定義的基礎上增加一個由類間距離決定的可變權函數，使得在選擇投影方向時，能夠更好地分開各個類的樣本。 -
Instead, the error signaled at run time would be a null - pointer exception instead of a class - cast exception
相反，在運行時發出的錯誤將會是一個空指針異常而不是類強制轉換異常。 -
Which says nothing about what was expected to occur instead of the null pointer, a class - cast exception is relatively easy to debug
（該異常除了報告空指針之外，對于將要發生的事情什麼也不說）不同，類強制轉換異常相對來說容易調試。
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