大约有 48,000 项符合查询结果(耗时:0.0178秒) [XML]

https://stackoverflow.com/ques... 

How can I do SELECT UNIQUE with LINQ?

...e.MainTable where dbo.Property == true select dbo.Color.Name).Distinct().OrderBy(name=>name); share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Is there a properly tested alternative to Select2 or Chosen? [closed]

I am looking for an alternative to Select2 that basically provides the same functionality, but includes proper tests. 3 An...
https://stackoverflow.com/ques... 

SQL exclude a column using SELECT * [except columnA] FROM tableA?

We all know that to select all columns from a table, we can use 41 Answers 41 ...
https://stackoverflow.com/ques... 

How to create an installer for a .net Windows Service using Visual Studio

...out dragging stuff from the toolbox. Then right click on the gray area and select add installer. This will add an installer project file to your project. Then you will have 2 components on the design view of the ProjectInstaller.cs (serviceProcessInstaller1 and serviceInstaller1). You should then se...
https://stackoverflow.com/ques... 

Delete duplicate records in SQL Server?

...r the dupes by empId, and delete all but the first one. delete x from ( select *, rn=row_number() over (partition by EmployeeName order by empId) from Employee ) x where rn > 1; Run it as a select to see what would be deleted: select * from ( select *, rn=row_number() over (partition b...
https://stackoverflow.com/ques... 

Get selected option from select element

I am trying to get the selected option from a dropdown and populate another item with that text, as follows. IE is barking up a storm and it doesn't work in Firefox: ...
https://stackoverflow.com/ques... 

Select multiple columns in data.table by their numeric indices

How can we select multiple columns using a vector of their numeric indices (position) in data.table ? 5 Answers ...
https://stackoverflow.com/ques... 

Postgresql SELECT if string contains

...eld of the record. Concatenate using '||' with the literal percent signs: SELECT id FROM TAG_TABLE WHERE 'aaaaaaaa' LIKE '%' || tag_name || '%'; share | improve this answer | ...
https://stackoverflow.com/ques... 

SQL join: selecting the last records in a one-to-many relationship

... want to get a list of all customers along with their last purchase in one SELECT statement. What is the best practice? Any advice on building indexes? ...
https://stackoverflow.com/ques... 

How to return result of a SELECT inside a function in PostgreSQL?

... bigint , ratio bigint) AS $func$ BEGIN RETURN QUERY SELECT t.txt , count(*) AS cnt -- column alias only visible inside , (count(*) * 100) / _max_tokens -- I added brackets FROM ( SELECT t.txt FROM token t WHERE t.charty...