OCR Numbers in Ruby
Simple Linked List in Ruby
Word Problem in Ruby: first iteration
Renamed concrete state transition classes
Extracted string scanning into a helper method
Simplified input sanitization
Improved main loop readability by extracting access to state transition object into a helper method
Further simplified the main loop by extracting unexpected token verification into the scanner
Added “raised to the n-th power” extension
Extracted conditional branches into methods
Roman Numerals in Elixir
Binary in Elixir
First iteration of Ruby Kindergarten Garden
Extracted Diagram into an inner class, extracted students enumeration into a method
First iteration of Linked List in Ruby
Extracted new_head! and new_tail!
Use helper method instead of direct manipulation of head/tail pointers