大约有 40,000 项符合查询结果(耗时:0.0322秒) [XML]

https://stackoverflow.com/ques... 

Html.DropdownListFor selected value not being set

How can I set the selected value of a Html.DropDownListFor? I've been having a look online and have seen that it can be achieved by using the fourth parameter so like the below: ...
https://stackoverflow.com/ques... 

SQL Server: Examples of PIVOTing String data

...l as numbers. This query will only require the table to be scanned once. SELECT Action, MAX( CASE data WHEN 'View' THEN data ELSE '' END ) ViewCol, MAX( CASE data WHEN 'Edit' THEN data ELSE '' END ) EditCol FROM t GROUP BY Action ...
https://stackoverflow.com/ques... 

Case in Select Statement

I have an SQL statement that has a CASE from SELECT and I just can't get it right. Can you guys show me an example of CASE where the cases are the conditions and the results are from the cases. For example: ...
https://stackoverflow.com/ques... 

How to get a number of random elements from an array?

...- Math.random()); // Get sub-array of first n elements after shuffled let selected = shuffled.slice(0, n); DEMO: share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Is there a way to make a DIV unselectable?

... I wrote a simple jQuery extension to disable selection some time back: Disabling Selection in jQuery. You can invoke it through $('.button').disableSelection(); Alternately, using CSS (cross-browser): .button { user-select: none; -moz-user-select: none...
https://stackoverflow.com/ques... 

Disable all table constraints in Oracle

...nk about putting constraint_type in the WHERE clause. BEGIN FOR c IN (SELECT c.owner, c.table_name, c.constraint_name FROM user_constraints c, user_tables t WHERE c.table_name = t.table_name AND c.status = 'ENABLED' AND NOT (t.iot_type IS NOT NULL AND c.constraint_type = 'P') ORD...
https://stackoverflow.com/ques... 

jquery get all form elements: input, textarea & select

Is there an easy way (without listing them all separately) in jquery to select all form elements and only form elements. 12...
https://stackoverflow.com/ques... 

How to calculate age (in years) based on Date of Birth and getDate()

...low: try this: DECLARE @dob datetime SET @dob='1992-01-09 00:00:00' SELECT DATEDIFF(hour,@dob,GETDATE())/8766.0 AS AgeYearsDecimal ,CONVERT(int,ROUND(DATEDIFF(hour,@dob,GETDATE())/8766.0,0)) AS AgeYearsIntRound ,DATEDIFF(hour,@dob,GETDATE())/8766 AS AgeYearsIntTrunc OUTPUT: Age...
https://stackoverflow.com/ques... 

Optimal way to concatenate/aggregate strings

...Transact SQL, which should work fine in Azure. ;WITH Partitioned AS ( SELECT ID, Name, ROW_NUMBER() OVER (PARTITION BY ID ORDER BY Name) AS NameNumber, COUNT(*) OVER (PARTITION BY ID) AS NameCount FROM dbo.SourceTable ), Concatenated AS ( SELECT ...
https://stackoverflow.com/ques... 

SQL Update with row_number()

... One more option UPDATE x SET x.CODE_DEST = x.New_CODE_DEST FROM ( SELECT CODE_DEST, ROW_NUMBER() OVER (ORDER BY [RS_NOM]) AS New_CODE_DEST FROM DESTINATAIRE_TEMP ) x share | im...