大约有 40,000 项符合查询结果(耗时:0.0497秒) [XML]

https://stackoverflow.com/ques... 

Generate class from database table

...eName' declare @Result varchar(max) = 'public class ' + @TableName + ' {' select @Result = @Result + ' public ' + ColumnType + NullableSign + ' ' + ColumnName + ' { get; set; } ' from ( select replace(col.name, ' ', '_') ColumnName, column_id ColumnId, case typ.name...
https://stackoverflow.com/ques... 

Return empty cell from formula in Excel

...a by changing SomeRange to Range("MyRange"). To set a name for your cells, select the cells, click Define Name on the Formulas tab of the ribbon, and enter "MyRange" in the Name field. (And of course you could replace MyRange with anything you want.) – devuxer ...
https://stackoverflow.com/ques... 

Indentation shortcuts in Visual Studio

I'm new to Visual Studio 2010 and C#. How can I indent the selected text to left/right by using shortcuts? 8 Answers ...
https://stackoverflow.com/ques... 

Android: create a popup that has multiple selection options

... Hello, can you also show how I can set actions for specific item selections? Example: I want to let the user change the app language by clicking one of those items (probably using if statement). – Arda Çebi Feb 7 '18 at 20:11 ...
https://stackoverflow.com/ques... 

MVC3 DropDownListFor - a simple example?

...uirements. Now, however, how is MVC FW supposed to map the value that is selected on this drop-down back into the simple string property on my view model? ...
https://stackoverflow.com/ques... 

Convert a string to int using sql query

... You could use CAST or CONVERT: SELECT CAST(MyVarcharCol AS INT) FROM Table SELECT CONVERT(INT, MyVarcharCol) FROM Table share | improve this answer ...
https://stackoverflow.com/ques... 

How can I find out what FOREIGN KEY constraint references a table in SQL Server?

... Here it is: SELECT OBJECT_NAME(f.parent_object_id) TableName, COL_NAME(fc.parent_object_id,fc.parent_column_id) ColName FROM sys.foreign_keys AS f INNER JOIN sys.foreign_key_columns AS fc ON f.OBJECT_ID = fc.constra...
https://stackoverflow.com/ques... 

Ways to save enums in database

...ering the cards by the numerical value of the enumeration is meaningless: SELECT Suit FROM Cards ORDER BY SuitID; --where SuitID is integer value(4,1,3,2,0) Suit ------ Spade Heart Diamond Club Unknown That's not the order we want - we want them in enumeration order: SELECT Suit FROM Cards ORDE...
https://stackoverflow.com/ques... 

How to debug a single thread in Visual Studio?

...most correct and usable way is to: Hit Ctrl+A in the breakpoints window (select all breakpoints). Right click and select "Filter...". Enter "ThreadId=(current thread id)". In Visual Studio 2015 and newer, the process is similar: Hit Ctrl+A in the breakpoints window (select all breakpoints). Ri...
https://stackoverflow.com/ques... 

Right query to get the current number of connections in a PostgreSQL DB

...ires aren't equivalent. The equivalent version of the first one would be: SELECT sum(numbackends) FROM pg_stat_database; In that case, I would expect that version to be slightly faster than the second one, simply because it has fewer rows to count. But you are not likely going to be able to measu...