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ModelState.AddModelError - How can I add an error that isn't for a property?

...g my database in Create(FooViewModel fvm){...} to see if the fvm.prop1 and fvm.prop2 already exist in that combination; if so, I want to add an error to the modelstate, then return the whole view. I tried: ...
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How to change MySQL column definition?

... So... MySQLWorkbench has a syntax checking bug that rejects this command. But, it's the right command. – Steven Lu May 14 '15 at 16:31 ...
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Linq to Entities join vs groupjoin

... [b1, b2] C [] So Join produces a flat (tabular) result of parent and child values. GroupJoin produces a list of entries in the first list, each with a group of joined entries in the second list. That's why Join is the equivalent of INNER JOIN in SQL: there are no entries for C. While Group...
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How to detect READ_COMMITTED_SNAPSHOT is enabled?

...etect whether a database has had its isolation level set via the T-SQL command ALTER DATABASE <database> SET READ_COMMITTED_SNAPSHOT ON; ...
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Get parts of a NSURL in objective-c

... way: the protocol or scheme (here, http) the :// delimiter the username and the password (here there isn't any, but it could be username:password@hostname) the host name (here, digg.com) the port (that would be :80 after the domain name for instance) the path (here, /news/business/24hr) the param...
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Convert Dictionary to semicolon separated string in c#

...ring.Join(";", myDict.Select(x => x.Key + "=" + x.Value).ToArray()); (And if you're using .NET 4, or newer, then you can omit the final ToArray call.) share | improve this answer | ...
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Python 2.7: Print to File

... answered Feb 16 '12 at 17:36 GandaroGandaro 3,29111 gold badge1414 silver badges1919 bronze badges ...
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How to correctly require a specific commit in Composer so that it would be available for dependent p

... the Gaufrette library at that hash, with a dev flag, in both your library and your application. Something like this should work in the application composer.json: { "name": "bar/bar-app", "repositories": [ { "type": "vcs", "url": "ssh://git.example.com/foo-li...
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Change File Extension Using C#

... I am not moving a file, i get file path from broswer like c:\..\..\a.jpg, and the file format on physical path is a.Jpeg, so when i try to delete it, it gives me error cannot find the file on specified path. so i am thinking it has some to do with the file extension is not matching. so i am trying ...
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Reference assignment operator in PHP, =&

What does the =& (equals-ampersand) assignment operator do in PHP? 4 Answers 4 ...