Code Explainers

Code explainers tagged #set-operations

python 
from typing import Iterable
 
 
def jaccard_similarity(tags_a: Iterable[str], tags_b: Iterable[str]) -> float:

Ranking tag sets by Jaccard similarity

set-operations similarity-metric generators
Intermediate 5 steps
java 
import java.util.HashSet;
import java.util.Set;
 
public final class CollectionDiff<T> {

Diffing two collections with set operations

set-operations immutability generics
Intermediate 8 steps
ruby 
class HashDiff
  Change = Struct.new(:from, :to)
 
  def self.call(before, after)

Diffing two hashes in Ruby

set-operations struct enumerable
Intermediate 7 steps
javascript 
export function diffIds(current, desired) {
  const currentSet = new Set(current);
  const desiredSet = new Set(desired);
 

Diffing sets to sync group membership

set-operations diffing transactions
Intermediate 8 steps
python 
import os
import time
from pathlib import Path
 

Polling a directory for file changes in Python

polling filesystem set-operations
Intermediate 8 steps