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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...