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Determine version of Entity Framework I am using?
I believe there are two versions 1 and 2? And version 2 is referred to as Entity Framework 4.0?
10 Answers
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Build error: You must add a reference to System.Runtime
I'm preparing a brand new ASP.NET MVC 5.1 solution. I'm adding in a bunch of NuGet packages and setting it up with Zurb Foundation etc.
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“X does not name a type” error in C++
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When the compiler compiles the class User and gets to the MyMessageBox line, MyMessageBox has not yet been defined. The compiler has no idea MyMessageBox exists, so cannot understand the meaning of your class member.
You need to make sure MyMessageBox is defined bef...
foreach vs someList.ForEach(){}
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There is one important, and useful, distinction between the two.
Because .ForEach uses a for loop to iterate the collection, this is valid (edit: prior to .net 4.5 - the implementation changed and they both throw):
someList.ForEach(x => { if(x....
Order a List (C#) by many fields? [duplicate]
... For example, let's suppose I have a class called X with two Attributes, A and B, and I have the following objects, in that order:
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How to find common elements from multiple vectors?
... but
intersect(intersect(a,b),c)
will do the job.
EDIT: More cleverly, and more conveniently if you have a lot of arguments:
Reduce(intersect, list(a,b,c))
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Remove all special characters from a string in R?
How to remove all special characters from string in R and replace them with spaces ?
3 Answers
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Pass column name in data.table using variable [duplicate]
...n following example, I am creating a data table having column name ‘x’ and ‘v’
1 Answer
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DISTINCT for only one column
...OM Products
WHERE ProductModel = 2
AND ProductName LIKE 'CYBER%'
) a
WHERE rn = 1
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Select distinct using linq [duplicate]
... walks the entire enumerable forcing all of the work to be done up front. (And may take a little while if your enumerable is infinitely long.)
The flipside to this advice is that each time you enumerate such an IEnumerable the work to evaluate it has to be done afresh. So you need to decide for eac...