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CodeSignal

Hashing, Dictionaries, and Collections in Ruby

via CodeSignal

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Overview

Explore Hashing, Dictionaries, and Sets in Ruby with this course, focusing on implementation, use cases, and algorithmic problem-solving. Gain practical experience to tackle data analysis and management tasks effectively.

Syllabus

  • Unit 1: Exploring Ruby's Set for Efficient Data Management
    • Determining Website Visitor Presence with Ruby's Set
    • Managing Unique User IDs with Ruby's Set
  • Unit 2: Utilizing Ruby's Set for Efficiency and Uniqueness
    • Audience Overlap Detection Task
    • Unique User IDs Extraction
  • Unit 3: Mastering Unique Elements and Anagram Detection with Ruby Set
    • Finding the First Duplicate Word
    • Identify Anagrams and Calculate Their Length Sum
  • Unit 4: Harnessing Ruby's Hash for Fast and Efficient Data Access
    • Retrieve Average Book Review Score
    • Remove Product from Inventory Hash in Ruby
    • Expand Your Understanding of Hashes in Ruby
    • Building a Bookstore Inventory Using Hashes
  • Unit 5: Advanced Hash Operations in Ruby
    • Cosmic Signal Word Frequency Counter
    • Calculate Total Quantity of Products in Inventory Task
  • Unit 6: Mastering Algorithmic Problem Solving with Ruby's Hash Structure
    • Identifying Frequently Checked-Out Library Books
    • Catalog Words from a Sentence Using Hashes in Ruby

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