大约有 12,000 项符合查询结果（耗时：0.0165秒） [XML]
Linq with group by having count
...
from c in db.Company
group c by c.Name into grp
where grp.Count() > 1
select grp.Key
Or, using the method syntax:
Company
.GroupBy(c => c.Name)
.Where(grp => grp.Count() > 1)
.Select(grp => grp.Key);
...
What is the best way to insert source code examples into a Microsoft Word document?
... it may be too small ...
... so you may have to change its size
Having selected the text box, right-click on it, then choose Insert Caption ...
In the Caption menu, if you don't have one already, click New Label, and set the new label to "Code", click OK ...
... then in the Caption dialog, s...
How do I access the $scope variable in browser's console using AngularJS?
...ular.element($0).scope()
In WebKit and Firefox, $0 is a reference to the selected DOM node in the elements tab, so by doing this you get the selected DOM node scope printed out in the console.
You can also target the scope by element ID, like so:
angular.element(document.getElementById('yourElem...
How to join int[] to a character separated string in .NET?
...
var ints = new int[] {1, 2, 3, 4, 5};
var result = string.Join(",", ints.Select(x => x.ToString()).ToArray());
Console.WriteLine(result); // prints "1,2,3,4,5"
EDIT: As of (at least) .NET 4.5,
var result = string.Join(",", ints.Select(x => x.ToString()).ToArray());
is equivalent to:
v...
Where is Developer Command Prompt for VS2013?
...
From VS2013 Menu Select "Tools", then Select "External Tools". Enter as below:
Title: "VS2013 Native Tools-Command Prompt" would be good
Command: C:\Windows\System32\cmd.exe
Arguments: /k "C:\Program Files (x86)\Microsoft Visual Studio 12.0...
Using jquery to get all checked checkboxes with a certain class name
...? $(this).val() : "");
});
An example to demonstrate.
:checkbox is a selector for checkboxes (in fact, you could omit the input part of the selector, although I found niche cases where you would get strange results doing this in earlier versions of the library. I'm sure they are fixed in later...
jQuery/Javascript function to clear all the fields of a form [duplicate]
...switch(this.type) {
case 'password':
case 'select-multiple':
case 'select-one':
case 'text':
case 'textarea':
$(this).val('');
break;
case 'checkbox':
...
Cannot drop database because it is currently in use
...ar(50)
SET @DatabaseName = N'YOUR_DABASE_NAME'
DECLARE @SQL varchar(max)
SELECT @SQL = COALESCE(@SQL,'') + 'Kill ' + Convert(varchar, SPId) + ';'
FROM MASTER..SysProcesses
WHERE DBId = DB_ID(@DatabaseName) AND SPId <> @@SPId
--SELECT @SQL
EXEC(@SQL)
...
using facebook sdk in Android studio
... what you want).
Open project structure by Ctrl + Shift + Alt + S and then select dependencies tab. Click on + button and select Module Dependency. In the new window pop up select :facebook.
You should be good to go.
Instructions for older Android Studio and older Facebook SDK
This applies to A...
How do I drop a function if it already exists?
...
IF EXISTS (
SELECT * FROM sysobjects WHERE id = object_id(N'function_name')
AND xtype IN (N'FN', N'IF', N'TF')
)
DROP FUNCTION function_name
GO
If you want to avoid the sys* tables, you could instead do (from here in example A...