Cookbooks

Cookbooks

Practical recipes for real-world Ruby programming tasks.

1. How to build a frequency tally from an array

   Count repeated values in Ruby with each_with_object and a hash that defaults to zero.

   ruby ·arrays ·hash
2. How to Work with Dates and Times in Ruby

   Learn how to work with dates and times in Ruby with practical examples for common tasks

   ruby ·datetime ·time
3. How to Work with Hashes in Ruby

   Practical Ruby hash recipes: default values, merging, iteration, and transformation

   ruby ·hash ·cookbook
4. How to work with files in Ruby

   Learn how to work with files in Ruby with practical recipes for reading, writing, checking metadata, and handling paths safely.

   ruby ·file ·io