Code Explainers

Code explainers tagged #sets

ruby 
class Spellchecker
  ALPHABET = ('a'..'z').to_a.freeze
 
  def initialize(dictionary)

Building a Norvig-style spellchecker in Ruby

edit-distance levenshtein dynamic-programming
Advanced 10 steps
ruby 
require 'date'
require 'set'
 
class BusinessDayCalculator

Counting business days in Ruby

dates sets ranges
Intermediate 8 steps
go 
package email
 
import (
	"errors"

Normalizing and deduping email addresses in Go

validation normalization deduplication
Intermediate 8 steps
javascript 
const RESERVED_SLUGS = new Set(['new', 'edit', 'admin', 'api']);
 
function slugify(title) {
  return title

Generating URL-safe unique slugs

string-normalization regex deduplication
Intermediate 9 steps