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How can I create a unique constraint on my column (SQL Server 2008 R2)?
I have SQL Server 2008 R2 and I want to set a unique column.
4 Answers
4
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What does the “at” (@) symbol do in Python?
I'm looking at some Python code which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
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jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)
I'm seeing error messages about a file, min.map , being not found:
11 Answers
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa
...he exception in your global exception handler:
protected void Application_Error(object sender, EventArgs e)
{
Exception ex = Server.GetLastError();
//TODO
}
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What's the key difference between HTML 4 and HTML 5?
...cy in Handling Malformed Documents
The primary one is consistent, defined error handling. As you know, HTML purposely supports 'tag soup', or the ability to write malformed code and have it corrected into a valid document. The problem is that the rules for doing this aren't written down anywhere....
When should I use ugettext_lazy?
...ttext as _, ugettext_noop as _noop
def view(request):
msg = _noop("An error has occurred")
logging.error(msg)
return HttpResponse(_(msg))
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Commands executed from vim are not recognizing bash command aliases
I use bash on mac and one of the aliases is like this
5 Answers
5
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How to set an environment variable only for the duration of the script?
On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the pre...
ASP.NET MVC controller actions that return JSON or partial html
...he JsonRequestBehavior.AllowGet; without this MVC was returning a HTTP 500 error (with dataType: json specified on the client).
Add cache: false to the $.ajax call, otherwise you will ultimately get HTTP 304 responses (instead of HTTP 200 responses) and the server will not process your request.
Fina...
How to quickly check if folder is empty (.NET)?
...irst file",
Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error()));
}
throw new DirectoryNotFoundException();
}
I hope it will be useful for somebody in the future.
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