intersection Archives

Programming, ruby

IT Nursery

How can I get the intersection, union, and subset of arrays in Ruby?

I want to create different methods for a class called Multiset. I have all the required methods, but I’m unsure of how to ...

June 3, 2022
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How to calculate the intersection of two sets? [duplicate]

This question already has answers here: Efficiently finding the intersection of a variable number of sets of strings (8 answers) Closed 1 year ...

May 21, 2022
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How to find list intersection?

a = [1,2,3,4,5] b = [1,3,5,6] c = a and b print c actual output: [1,3,5,6] expected output:...

May 11, 2022
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Find intersection of two nested lists?

I know how to get an intersection of two flat lists: b1 = [1,2,3,4,5,9,11,15] b2 = [4,5,6,7,8] b3 =...

May 4, 2022
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Simplest code for array intersection in javascript

What’s the simplest, library-free code for implementing array intersections in javascript? I want to write intersection([1,2,3], [2,3,4,5]) and get...

April 19, 2022
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Removing duplicates in lists

How do I get a new list without duplicates? [1, 2, 3, 1] →...

April 13, 2022
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How to calculate the intersection of two sets?

Use the retainAll() method of Set: Set<String> s1; Set<String> s2; s1.retainAll(s2); // s1 now contains only elements in both sets If you want to preserve the ...

April 4, 2022
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