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Unique Constraint in Entity Framework Code First
...text.Database.Create();
context.ObjectContext.ExecuteStoreCommand("CREATE UNIQUE CONSTRAINT...");
context.ObjectContext.ExecuteStoreCommand("CREATE INDEX...");
context.ObjectContext.ExecuteStoreCommand("ETC...");
}
}
}
}
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Can a pointer to base point to an array of derived objects?
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37
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Android Studio - Where can I see callstack while debugging an android app?
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155
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Convert.ChangeType() fails on Nullable Types
...can't use default operator ona variable of type 'Type'. See stackoverflow.com/questions/325426/…
– andy250
Dec 3 '19 at 16:53
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Ruby on Rails patterns - decorator vs presenter
There is all sorts of talk lately in the Ruby on Rails community about decorators and presenters.
2 Answers
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Express: How to pass app-instance to routes from a different file?
...express() is set on the request and response objects.
See: https://github.com/visionmedia/express/blob/76147c78a15904d4e4e469095a29d1bec9775ab6/lib/express.js#L34-L35
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How to view revision history for Mercurial file?
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28
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Linq Syntax - Selecting multiple columns
...LINQ syntax is converted to a method call chain similar to this when it is compiled.
UPDATE
If you want the entire object, then you just have to omit the call to Select(), i.e.
var employee = _db.EMPLOYEEs
.Where(x => x.EMAIL == givenInfo || x.USER_NAME == givenInfo);
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