大约有 46,000 项符合查询结果(耗时:0.0359秒) [XML]

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JComboBox Selection Change Listener?

...istener() will work, too. You may get 2 ItemEvents, though, one for the deselection of the previously selected item, and another for the selection of the new item. Just don't use both event types! share | ...
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jQuery get value of selected radio button

The problem statement is simple. I need to see if user has selected a radio button from a radio group. Every radio button in the group share same id. ...
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Table name as variable

...mpare data between the same tables of different databases: static query: SELECT * FROM [DB_ONE].[dbo].[ACTY] EXCEPT SELECT * FROM [DB_TWO].[dbo].[ACTY] since I want easily change tha name of table and schema I have created this dynamic query: declare @schema varchar(50) declare @table varchar(5...
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Search for one value in any column of any table inside a database

...OT NULL BEGIN SET @ColumnName = '' SET @TableName = ( SELECT MIN(QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME) &...
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How to declare a variable in MySQL?

...at has not been initialized, it has a value of NULL and a type of string. SELECT @var_any_var_name You can initialize a variable using SET or SELECT statement: SET @start = 1, @finish = 10; or SELECT @start := 1, @finish := 10; SELECT * FROM places WHERE place BETWEEN @start AND @finish...
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How to declare variable and use it in the same Oracle SQL script?

...; exec :name := 'SALES' PL/SQL procedure successfully completed. SQL> select * from dept 2 where dname = :name 3 / DEPTNO DNAME LOC ---------- -------------- ------------- 30 SALES CHICAGO SQL> A VAR is particularly useful when we want to call a stored...
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Insert Update trigger how to determine if insert or update

... track "before" and "after" data. So you can use something like IF EXISTS (SELECT * FROM DELETED) to detect an update. You only have rows in DELETED on update, but there are always rows in INSERTED. Look for "inserted" in CREATE TRIGGER. Edit, 23 Nov 2011 After comment, this answer is only for INSER...
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“query function not defined for Select2 undefined error”

Trying to use Select2 and getting this error on multiple item input/text field: 13 Answers ...
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Disabling user selection in UIWebView

...use I want the user to be able to click links. I just need to disable user selection. I found somewhere in the Internets that you can use: ...
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MySQL select with CONCAT condition

...available within the query itself. You can either repeat the expression: SELECT neededfield, CONCAT(firstname, ' ', lastname) as firstlast FROM users WHERE CONCAT(firstname, ' ', lastname) = "Bob Michael Jones" or wrap the query SELECT * FROM ( SELECT neededfield, CONCAT(firstname, ' ', last...