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Read-only list or unmodifiable list in .NET 4.0

From what I can tell, .NET 4.0 still lacks read-only lists. Why does the framework still lack this functionality? Isn't this one of the commonest pieces of functionality for domain-driven design ? ...
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Filter dict to contain only certain keys?

... O(1). – user395760 Jul 1 '12 at 10:48 1 nit: Dictionaries are hash maps, so the normal case is O...
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Array Size (Length) in C#

...nt[][] c = new int[3][]; c[0] = new int[] {1, 2, 3}; c[1] = new int[] {3, 14}; c[2] = new int[] {1, 1, 2, 3, 5, 8, 13}; Note that the 3 members of c all have different lengths. In this case, as before c.Length will indicate the number of elements of c, (3) and c[0].Length, c[1].Length, and c[2].Le...
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Formula to determine brightness of RGB color

... 482 Do you mean brightness? Perceived brightness? Luminance? Luminance (standard for certain col...
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What is the “FS”/“GS” register intended for?

...his feature, that nobody was going to use it. Go, Andy!) AMD in going to 64 bits decided they didn't care if they eliminated Multics as a choice (that's the charitable interpretation; the uncharitable one is they were clueless about Multics) and so disabled the general capability of segment registe...
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How do I declare an array of weak references in Swift?

...| edited Apr 20 '19 at 13:46 answered Jun 9 '14 at 20:07 Go...
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Android set height and width of Custom view programmatically

... 144 The easy way is to set the size programatically like that : graphView.setLayoutParams(new Layo...
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How do I detect IE 8 with jQuery?

... answered Feb 4 '10 at 18:56 AndiDogAndiDog 59.3k1616 gold badges145145 silver badges195195 bronze badges ...
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Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?

... 146 This is a very common problem that arises due to a misunderstanding of how :nth-child() and :nt...
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How do I test if a variable is a number in Bash?

... 842 One approach is to use a regular expression, like so: re='^[0-9]+$' if ! [[ $yournumber =~ $re...