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What does the X-SourceFiles header do?
Using a FileStreamResult in ASP.NET MVC 3, I get a response header like
1 Answer
1
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Xcode without Storyboard and ARC
i have downloaded new xcode-5 and just started using it.
6 Answers
6
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Setting unique Constraint with fluent API?
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On EF6.2, you can use HasIndex() to add indexes for migration through fluent API.
https://github.com/aspnet/EntityFramework6/issues/274
Example
modelBuilder
.Entity<User>()
.HasIndex(u => u.Email)
.IsUnique();
On EF6.1 onwards, you...
How to recursively list all the files in a directory in C#?
...Exception excpt)
{
Console.WriteLine(excpt.Message);
}
}
Added by barlop
GONeale mentions that the above doesn't list the files in the current directory and suggests putting the file listing part outside the part that gets directories. The following would do that. It also include...
From an array of objects, extract value of a property as array
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Arsen Khachaturyan
5,90933 gold badges3232 silver badges3434 bronze badges
answered Oct 11 '17 at 17:33
JalasemJalasem
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Make sure that the controller has a parameterless public constructor error
...torial which has worked great, until I modified my DbContext to have an additional constructor. I am now having issues with the resolution and not sure what to do to fix this. Is there an easy way to force it to grab the parameterless constructor or I am approaching this incorrectly?
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Duplicate symbols for architecture x86_64 under Xcode
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75 duplicate symbols for architecture x86_64
Means that you have loaded same functions twice.
As the issue disappear after removing -ObjC from Other Linker Flags,
this means that this option result that functions loads twice:
from Technical Q&A
This flag causes the linker to load...
LINQ: Distinct values
...r);
foreach (TSource element in source)
{
if (knownKeys.Add(keySelector(element)))
{
yield return element;
}
}
}
(If you pass in null as the comparer, it will use the default comparer for the key type.)
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How do I convert a string to a number in PHP?
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deceze♦deceze
454k7373 gold badges641641 silver badges784784 bronze badges
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NumPy or Pandas: Keeping array type as integer while having a NaN value
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This capability has been added to pandas (beginning with version 0.24):
https://pandas.pydata.org/pandas-docs/version/0.24/whatsnew/v0.24.0.html#optional-integer-na-support
At this point, it requires the use of extension dtype Int64 (capitalized), r...