大约有 12,000 项符合查询结果(耗时:0.0253秒) [XML]
When to use Common Table Expression (CTE)
... ,null AS Answer
,1 AS Is_Question
FROM [Questions]
UNION ALL
SELECT Q.[Quiz_ID]
,[Question_ID]
,A.[ID] AS Answer_Id
,Q.Question_Text
,[Answer]
,0 AS Is_Question
FROM [Answers] A INNER JOIN [Questions] Q ON Q.Quiz_ID = A.Quiz...
Best way to run scheduled tasks [closed]
...the website and called from a special page. I then wrote a simple Windows service which calls this page every so often. Once the page runs it returns a value. If I know there is more work to be done, I run the page again, right away, otherwise I run it in a little while. This has worked really w...
LINQ to SQL - Left Outer Join with multiple join conditions
... select c;
}
// Add the specified content using UNION
content = content.Union(addMoreContent);
// Exclude the duplicates using DISTINCT
content = content.Distinct();
return content;
}
catch (MyLovelyException ex...
How to change identity column values programmatically?
...ARY KEY,
X VARCHAR(10)
)
INSERT INTO Test
OUTPUT INSERTED.*
SELECT 'Foo' UNION ALL
SELECT 'Bar' UNION ALL
SELECT 'Baz'
Then you can do
/*Define table with same structure but no IDENTITY*/
CREATE TABLE Temp
(
ID INT PRIMARY KEY,
X VARCHAR(10)
)
/*Switch table metadata to new structure*/
ALTER T...
What is the difference between 'protected' and 'protected internal'?
...
The "protected internal" access modifier is a union of both the "protected" and "internal" modifiers.
From MSDN, Access Modifiers (C# Programming Guide):
protected:
The type or member can be accessed only by code in the same class or
struct, or in a class that is...
Is Response.End() considered harmful?
... this. It's a lot of wasted effort. You are supposed to use an ASMX or Web Service, anything but an ASPX page.
– mattmanser
Mar 19 '13 at 10:52
20
...
How do I make calls to a REST api using C#?
...ead is one of the top results when doing a Google search for "call restful service c#".
Current guidance from Microsoft is to use the Microsoft ASP.NET Web API Client Libraries to consume a RESTful service. This is available as a NuGet package, Microsoft.AspNet.WebApi.Client. You will need to add t...
FIND_IN_SET() vs IN()
... name
FROM orders
CROSS JOIN
(
SELECT 1 AS pos
UNION ALL
SELECT 2 AS pos
UNION ALL
SELECT 3 AS pos
UNION ALL
SELECT 4 AS pos
UNION ALL
SELECT 5 AS pos
) q
JOIN company
ON companyID = CAST(NULLIF(S...
How to document a method with parameter(s)?
...umenting Python projects, in part because of the excellent readthedocs.org service. To paraphrase an example from the Sphinx documentation as a Python snippet:
def send_message(sender, recipient, message_body, priority=1):
'''
Send a message to a recipient
:param str sender: The person se...
Web Service vs WCF Service
... article that no longer exists:
Summary of article:
"Basically, WCF is a service layer that allows you to build applications that can communicate using a variety of communication mechanisms. With it, you can communicate using Peer to Peer, Named Pipes, Web Services and so on.
You can’t compare ...
