GetHashCode « hash « Java Collection Q&A

1. .NET equivalent to java.util.Arrays.hashCode() function for arrays of intrinsic types?    stackoverflow.com

Is there a.NET utility class equivalent to java.util.Arrays.hashCode() for arrays of intrinsic types such as int[], short[], float[], etc.? Obviously I could write my own utility class but was trying ...

2. Why multiply by a prime before xoring in many GetHashCode Implementations?    stackoverflow.com

I understand that multiplication by a large number before xoring should help with badly distributed operands but why should the multiplier be a prime?

Related:
Why should ...

3. Why does C# not implement GetHashCode for Collections?    stackoverflow.com

I am porting something from Java to C#. In Java the hashcode of a ArrayList depends on the items in it. In C# I always get the same hashcode from a ...

4. How to calculate the hash code of a string by hand (Java related)    stackoverflow.com

I was wondering how to calculate the hash code for a given string by hand. I understand that in Java, you can do something like: String me = "What you say what ...