Hash function with uniqueness guarantees and controllable entropy

Is there a class of hash functions that meets the following specs:

Hash function with uniqueness guarantees and controllable entropy

Is there a class of hash functions that meets the following specs:

What are some hashmaps we can easily implement? [duplicate]

This question already has answers here: Which hashing algorithm is best for uniqueness and speed? (11 answers) Closed 9 years ago. At many places, I read that we can use HashMap here for O(1) search. Actually, I want to ask how I can implement easy hashmaps which can satisfy this property. Can anyone tell few […]

sorting / merging hashtable

For my project I have a hashtable with 1M buckets (sometimes more).

sorting / merging hashtable

For my project I have a hashtable with 1M buckets (sometimes more).

sorting / merging hashtable

For my project I have a hashtable with 1M buckets (sometimes more).

Garbage collection & memory leaks on hash tables

I was reading R. Read’s How to be a programmer, and I came accross something I didn’t understand:

Garbage collection & memory leaks on hash tables

I was reading R. Read’s How to be a programmer, and I came accross something I didn’t understand:

Garbage collection & memory leaks on hash tables

I was reading R. Read’s How to be a programmer, and I came accross something I didn’t understand:

Garbage collection & memory leaks on hash tables

I was reading R. Read’s How to be a programmer, and I came accross something I didn’t understand: