hashcode
Why is a SHA-1 Hash 40 characters long if it is only 160 bit?
The title of the question says it all. I have been researching SHA-1 and most places I see it being 40 Hex Characters long which to me is 640bit. Could it not be 开发者_开发问答represented just as wel[详细]
2023-01-15 19:51 分类：问答Java hashCode from one field
Edit: Prepare my objects for the use within a HashMap. after reading a bit about how to generate a hash code, im kind of confused now. My (probably trivial) question is, how should I implement a开发者[详细]
2023-01-13 00:52 分类：问答Generate hash code based on object identity in .net
How can I generate a hash code for an object based on its identity. What I mean is that: if object.ReferenceEquals(a, b) == true, then a and b will get the same hash code.[详细]
2023-01-12 12:56 分类：问答How to solve the problem: int cannot be dereferenced
Here I have some value which two of them are integer and I can\'t call a method on them since they are not reference. How can I solve this?[详细]
2023-01-11 07:39 分类：问答equals and hashCode
I am running into a question about equals and hashCode contracts: here it is Given: class SortOf { String name;[详细]
2023-01-10 12:49 分类：问答C# hashcode for array of ints
I have a class that internally is just an array开发者_如何学Go of integers. Once constructed the array never changes. I\'d like to pre-compute a good hashcode so that this class can be very efficientl[详细]
2023-01-10 08:25 分类：问答What happens to identity-hashcode when there are more objects than `int` can hold?
The method System.identityHashCode(...) is called that way, because it identifies object开发者_开发百科s, so two distinct objects can\'t have same identity-hashcode, right?[详细]
2023-01-09 04:47 分类：问答HMAC security - Is the security of the HMAC based on SHA-1 affected by the collisions attacks on SHA-1?
Is the security of the HMAC based on S开发者_开发问答HA-1 affected by the collisions attacks on SHA-1?The security implications of HMAC are described in detail in the security section of the RFC. In a[详细]
2023-01-08 16:33 分类：问答Hibernate: Strategy/pattern for object and entity identity mapping using composite keys?
What is a general collision-free Java best practice to generate hash codes for any-type (atomic types) multi-column primary keys?[详细]
2023-01-08 09:55 分类：问答How to "reduce" a hash?
Suppose I have any \"long\" hash, like a 16 bytes MD5 or a 20 bytes SHA1. I want to reduce this hash to fit on 4 bytes, for GetHashCode() purposes.[详细]
2023-01-03 20:05 分类：问答
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