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CodeSignal

Practicing String Operations and Type Conversions in Ruby

via CodeSignal

Overview

Further expand your Ruby abilities with a deep dive into string operations and type conversions. This course focuses on practical implementations and helps you master these two essential areas.

Syllabus

  • Unit 1: String Manipulation and Reversal
    • Rotate Words in a String
    • Transform Characters to Their Opposites in the English Alphabet
    • Capitalize First Letter of Each Word
  • Unit 2: Parsing and Multiplying Numbers in Strings
    • Swap Hyphen-Separated Alphanumeric Words
    • Sum Player Scores from Game Record
    • Transform Alphanumeric String
  • Unit 3: Time Manipulation and String Operations
    • Add Seconds to Times in Ruby
    • Time Period Length Calculation
    • Calculate Future Date by Adding Days
  • Unit 4: Finding Substrings and Their Indices
    • Replace Substring in Text
    • Word Reversal in Sentences
    • Spotting Swapped Characters in Strings

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