Category "set"

Python, redis: How do I set multiple key-value pairs at once

I have two lists keys= [k0,k1, ....kn] vals= [v0,v1, ....vn] I can set these key-values on redis in multiple steps doing the following: for i in range(0,len(k

Get std::set comparison as function parameter / complemet of a set without universal set

I have this .cpp file and I have to write the methods set_union, subset, complement, and contains. My two problem is first: How can I have a complement without

Check for any values in set

Suppose I have the following set: things = {'foo', 'bar', 'baz'} I would like to find out if either foo or bar exists in the set. I've tried: >>> '

Short-circuit UNION? (only execute 2nd clause if 1st clause has no results)

If I do: SELECT * FROM A WHERE conditions UNION SELECT * FROM B WHERE conditions I get the union of the resultset of query of A and resultset of

Append values to a set in Python

I have a set like this: keep = set(generic_drugs_mapping[drug] for drug in drug_input) How do I add values [0,1,2,3,4,5,6,7,8,9,10] into this set?

How to "perfectly" override a dict?

How can I make as "perfect" a subclass of dict as possible? The end goal is to have a simple dict in which the keys are lowercase. It would seem that there sho

Creating a Python function that will create a dictionary for tuples of character counts, assigned to a key of either vowels, consonants or others

So, trying to create a function that takes a string input, and with that input, it counts all the instances of all characters to a dictionary (like {'a':5, 'b':