Top "Hashcode" questions

Is there any kind of hash code function in JavaScript?

Basically, I'm trying to create an object of unique objects, a set. I had the brilliant idea of just using …

javascript hash set hashcode

HashMaps and Null values?

How do you pass in null values into a HashMap? The following code snippet works with options filled in: HashMap&…

java null hashmap hashcode

What is the use of hashCode in Java?

In Java, obj.hashCode() returns some value. What is the use of this hash code in programming?

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How to create a HashMap with two keys (Key-Pair, Value)?

I have a 2D array of Integers. I want them to be put into a HashMap. But I want to …

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Memory address of variables in Java

Please take a look at the picture below. When we create an object in java with the new keyword, we …

java memory-management jvm hashcode memory-address

Hashing with SHA1 Algorithm in C#

I want to hash given byte[] array with using SHA1 Algorithm with the use of SHA1Managed. The byte[] hash …

c# hash byte sha1 hashcode

How do you get the "object reference" of an object in java when toString() and hashCode() have been overridden?

I would like to print the "object reference" of an object in Java for debugging purposes. I.e. to make …

java object hashcode

Consistency of hashCode() on a Java string

The hashCode value of a Java String is computed as (String.hashCode()): s[0]*31^(n-1) + s[1]*31^(n-2) + ... + s[n-1] Are there …

java string hashcode

.NET unique object identifier

Is there a way of getting a unique identifier of an instance? GetHashCode() is the same for the two references …

c# unique hashcode gethashcode

What is hashCode used for? Is it unique?

I notice there is a getHashCode() method in every controls, items, in WP7, which return a sequence of number. Can …

c# hashcode