Top "Hash" questions

A hash function is any well-defined procedure or mathematical function that converts a large amount of data into a small datum, usually a single integer.

Simple (non-secure) hash function for JavaScript?

Possible Duplicate: Generate a Hash from string in Javascript/jQuery Can anyone suggest a simple (i.e. tens of lines …

javascript hash md5 sha1
Is a Python dictionary an example of a hash table?

One of the basic data structures in Python is the dictionary, which allows one to record "keys" for looking up "…

python hash dictionary hashmap hashtable
How do I search within an array of hashes by hash values in ruby?

I have an array of hashes, @fathers. a_father = { "father" => "Bob", "age" => 40 } @fathers << a_father a_…

ruby search hash arrays
Hash string in c#

I have a problem when trying get a hash string in c#. I already tried a few websites, but most …

c# string hash
Ruby Hash to array of values

I have this: hash = { "a"=>["a", "b", "c"], "b"=>["b", "c"] } and I want to get to this: [["…

ruby arrays hash
How to use sha256 in php5.3.0

I'm using sha256 to encrypt the password. I can save the sha256 encrypted password in mysql. But i can't login …

php hash sha256
Append key/value pair to hash with << in Ruby

In Ruby, one can append values to existing arrays using <<: a = [] a << "foo" but, can you …

ruby hash
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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How to hash a password

I'd like to store the hash of a password on the phone, but I'm not sure how to do it. …

c# security hash passwords windows-phone-7
TypeError: unhashable type: 'dict', when dict used as a key for another dict

I have this piece of code: for element in json[referenceElement].keys(): When I run that code, I get this …

python json hash