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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type

... to 'Detached' but calling Attach() does throw the same error. I'm using EF6. 20 Answers ...
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Which is faster: while(1) or while(2)?

... 681 Both loops are infinite, but we can see which one takes more instructions/resources per iterat...
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Method overloading in Objective-C?

... David GelharDavid Gelhar 27.3k33 gold badges6464 silver badges8181 bronze badges 4 ...
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RegEx for Javascript to allow only alphanumeric

...you can find list of unicode characters here. for example: /^([a-zA-Z0-9\u0600-\u06FF\u0660-\u0669\u06F0-\u06F9 _.-]+)$/ this will support persian. share | improve this answer | ...
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Getting visitors country from their IP

... 506 +1350 Try thi...
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Iterating Over Dictionary Key Values Corresponding to List in Python

...| edited Aug 31 '18 at 3:36 ostergaard 2,76322 gold badges2525 silver badges3939 bronze badges answered ...
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How to upload a file in Django? [closed]

... 1286 Phew, Django documentation really does not have good example about this. I spent over 2 hours to...
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What is the difference between '/' and '//' when used for division?

... 671 In Python 3.x, 5 / 2 will return 2.5 and 5 // 2 will return 2. The former is floating point d...
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Why does changing 0.1f to 0 slow down performance by 10x?

... 1627 Welcome to the world of denormalized floating-point! They can wreak havoc on performance!!! D...
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How to create a DataTable in C# and how to add rows?

... 263 Here's the code: DataTable dt = new DataTable(); dt.Clear(); dt.Columns.Add("Name"); dt.Colum...