kconner

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

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mkdika

Ruby Arrays Methods Cheatsheet

This is collection of Ruby Array methods usage, tips & tricks.

Codes block

# All array method can use do..end block.
[1,2,3].each do |number|
 world = "World #{number}"