#### Category : union

Let’s say I have a class that have multiple subclasses in a recursive/tree hierarchy: class Animal: pass class Cat(Animal): pass class HouseCat(Cat): pass And I have a function, that can create instances of these classes based on some condition: from typing import Union def creator(condition) -> Union[Animal, Cat, HouseCat]: # for codition1 return Animal() # ..

I need to UNION two datasets in the code workbook of Palantir Foundry and I’m not sure how to do that. I want to use Pyspark to do this. I’m new to Foundry, please help! Source: Python..

I am writing a script to add missing keys within a list of dictionaries and assign them a default value. I start by building a set of all the possible keys that appear in one or more dictionaries. I adapted a nice snippet of code for this but I’m having trouble fully wrapping my head ..

I am currently trying to understand how the LSH process works and while implementing I got to a point where I am not sure how to proceed and I also can’t find any solutions. Currently, I am using random hyperplanes to calculate the dot product with tfidf vectors of the words of documents that I ..

What’s the difference between .union and | for sets in python? >>> a = set([1, 2, 3, 4]) >>> b = set([3, 4, 5, 6]) >>> a|b {1, 2, 3, 4, 5, 6} >>> a.union(b) {1, 2, 3, 4, 5, 6} Source: Python-3x..

**i have written this code and i think its time complexity is O(n+m) as time depends on both the input , am i right can anyone explain me like am a dumb 5 years old. thanks if you have a better algorithm you can suggest me . ** ”’ class Solution : def getUnion(self,a,b,): p= ..

everyone. I’m a student who’s started to learn pyspark recently. I don’t have that good knowledge about SQL. So here’s my question. Let’s say I have two data frames: 1: product list (Distinct):df1={"aaa","bbb","ccc","ddd"} keywords that are being searched by customers:df2={"aaa","bbb","ccc","aaa","abb","ccc"} I want to find out how many times certain keywords in the product list have ..