What's different about Ruby
From: Desert Code Camp 2008
Speaker: Logan Barrett
Notes:
Ruby is a dynamic language.
IRB is a psuedo acronym that stands for Interactive Ruby.
Ruby has strong typing - you can't cast a string to an int.
Testing is emphasized in Ruby and built in.
Duck typing in Ruby replaces what an interface in C# would be used for.
Everything in Ruby is an object.
The method-missing method is a method that will catch any call to a method on an object that is missing. i.e. if a method hasn't been declared for an object then the method-missing method will be called.
A lambda function in Ruby is called a code block or just a block.
A block is typically used to iterate over a collection like a for or foreach loop in C#.
collection.each do |element| # iterates over all elements in the collection collection.
collection.map do |number|
collection.each_with_index do |element,index|