What is a Hash table and how it use in Python's dictionaries?
Can anyone help me, ? ...
hashtable
Storing values in PHP
I am trying to store values in php, like a HashTable with multiple keys. For example I am I would want this to return two different values: $value1=$content['var1']['var2']['var3']['typea']; $value2=$content['var1']['var2']['var3']['typeb']; What would be the best way to go about implementing a feature like this? ...
Random enumeration of a hash table in OCaml
Hi, Sorry for the long question. I decided to explain the context of the problem first as maybe there are other solutions to my problem. If you're in a hurry, just read THE QUESTION below. (EDITED -- In the mean time I added some attempts to solve the problem. The fourth one has my final conclusion, you can jump straight to it.) THE C...
Preventing keys of different hash values from landing in same bucket with unordered_set
This might be a silly question, but here goes : I hashed a dictionary of words into an unordered_set based hash-table. My hash function was made intentionally "bad", in that all strings that contained the same set of letters would hash to the same value. I initially tried to over-ride the normal hash function behaviour, and use a "freq...
Open Addressing vs. Separate Chaining
Which hashmap collision handling scheme is better when the load factor is close to 1 to ensure minimum memory wastage? I personally think the answer is open addressing with linear probing, because it doesn't need any additional storage space in case of collisions. Is this correct? ...
Converting hash table to list of pairs (key,value) in OCaml
Hi guys, Is there a way of converting a hash table into a list of (key,pair) values in OCaml? I'm aware that, given a hash table ht we can do BatList.of_enum (BatHashtbl.enum ht) using the batteries library. This would convert the table to an enumeration and then convert the enum to a list. But I'm looking for a solution that doesn'...