I\'m trying to define type like: type aaa = NULL | {a: int; b: int};; But the compiler does not allow to do it. I\'m not sure of the reason why we can\'t mix record type with anything else.
i have a List of records type Item = { Color : string; Size : int} let itemList = [{Color=\"Red\"; Size=1};
Suppose that I have two data types Foo and Bar.Foo has fields x and y.Bar has fields x and z.I want to be able to write a function that takes either a Foo or a Bar as a parameter, extracts the x value
Is there a compiler implementation reason why records can\'t have the AllowNullLiteralAttribute attribute or is this a chosen constraint?
I am using PyQt to insert records into a MySQL database. the code basically looks like self.table = QSqlTableModel()
Task: Application written in Delphi acc开发者_开发技巧epts a structure (record in terms of Delphi) of three fields. I can send the pointer of this structure using SendMessage (Win32 API) function.
I\'m trying to build a simple app: Six columns with these values Nr, Name, checkbox 1, checkbox 2, checkbox 3, checkbox 4.
INSERT INTO [UPLOAD_FILE_RECORD_FIELDS_DATA]([RECORD_ID], [FIELD_ORDER],[FIELD_VALUE], [ERROR_CODE])
I have table, which I am inserting records to another table. 开发者_开发知识库What is the best way to mark record inserted, so it will not be attempted to being inserted again?You can see the differen
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