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Suppose I write a class, but don't define a __hash__ for it. Then __hash__(self) defaults to id… Read more How Is The Return Value Of __hash__ Used?

Short version: What's the best hashing algorithm for a multiset implemented as a dictionary of… Read more Hashing An Immutable Dictionary In Python

Spark MLLIb has a HashingTF() function that computes document term frequencies based on a hashed va… Read more What Hashing Function Does Spark Use For Hashingtf And How Do I Duplicate It?

I need to compare large chunks of data for equality, and I need to compare many pairs per second, f… Read more Is This An Appropriate Use Of Python's Built-in Hash Function?

I have a file hashed to a standard md5 Hash Correction: OpenSSL Hashes are HEXDECIMAL representatio… Read more How Do You Reencode A Python String Via Packing And Unpacking Using Binascii?

I'm trying to figure out if there's a reasonably efficient way to perform a lookup in a dic… Read more Hashtable/dictionary/map Lookup With Regular Expressions

I know feature hashing (hashing-trick) is used to reduce the dimensionality and handle sparsity of … Read more What Is Feature Hashing (hashing-trick)?

I want to replace an existing random number based data generator (in Python) with a hash based one … Read more How Should I Move From Prng Based Generation To Hash-based Procedural Generation?

I need to get the random hash seed used by python to replicate failing unittests. If PYTHONHASHSEED… Read more Extract Hash Seed In Unit Testing

What is a good way of hashing a hierarchy (similar to a file structure) in python? I could convert … Read more Python Hash Functions

I have working code that takes a directory of csv files and hashes one column of each line, then ag… Read more Python Hash Not Being Updated In Csv File Output

I would like to recognize and group duplicates values in a dictionary. To do this I build a pseudo-… Read more Find Duplicates For Mixed Type Values In Dictionaries