大约有 40,000 项符合查询结果（耗时：0.0313秒） [XML]
Return number of rows affected by UPDATE statements
...NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
DECLARE @RowCount1 INTEGER
DECLARE @RowCount2 INTEGER
DECLARE @RowCount3 INTEGER
DECLARE @RowCount4 INTEGER
UPDATE Table1 Set Column = 0 WHERE Column IS NULL
SEL...
How to select the first element in the dropdown using jquery?
I want to know how to select the first option in all select tags on my page using jquery.
9 Answers
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Insert text into textarea with jQuery
...aret: function(myValue){
return this.each(function(i) {
if (document.selection) {
//For browsers like Internet Explorer
this.focus();
var sel = document.selection.createRange();
sel.text = myValue;
this.focus();
}
else if (this.selectionStart || this.selec...
SQL JOIN and different types of JOINs
...
There are relatively new LATERAL JOIN .. SELECT * FROM r1, LATERAL fx(r1)
– Pavel Stehule
Jul 30 '13 at 11:52
13
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DataSet panel (Report Data) in SSRS designer is gone
...
With a report (rdl) file selected in your solution, select View and then Report Data.
It is a shortcut of Ctrl+Alt+D.
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RVM is not a function, selecting rubies with 'rvm use …' will not work
...access to rvm function. If you are running Ubuntu, you can:
Open console
Select Edit -> Profile Preferences
Select tab: Title and Command
Check box 'Run command as a login shell'
Restart terminal
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Add an already existing directory to a directory in Solution Explorer
...tory in Solution Explorer, but whenever I right-click on the directory and select Add => Existing Item , I can only add individual files, but not directories.
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IIS - 401.3 - Unauthorized
... configuration of your site, modify the "Anonymous authentication" line by selecting "Identity of the application pool" instead of "Specific user".
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SQL WHERE ID IN (id1, id2, …, idn)
... But how would you pass the list of ids that you need? (Seeing you can't select a range or something like that).
– raam86
Oct 18 '16 at 14:32
1
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LINQ Select Distinct with Anonymous Types
...DelegateComparer<T>(equals,null));
}
}
var uniqueItems=students.Select(s=> new {FirstName=s.FirstName, LastName=s.LastName})
.Distinct((a,b) => a.FirstName==b.FirstName, c => c.FirstName.GetHashCode()).ToList();
Sorry for the messed up formatting earlier
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