Essential Ruby

Overview & Synopsis

This
page covers the following topics related to Ruby : Casting type
conversions, Arrays, Classes, Hashes, Blocks and procs and lambdas, Inheritance,
Control flow, Strings, Symbols, Exceptions, Thread, Methods, Method missing,
Numbers, Iteration, Regular Expressions and regex based operations, Comparable,
Gem usage, Design patterns and idioms, Loading source files, Range, Comments,
Special constants in Ruby, Modules, Ruby version manager, Gem creation /
management, Constants, Variable scope and visibility, rbenv, Environment
variables, Singletons, File I/O, Time, Queue, Destructuring, IRB, Enumerators, C
extensions, Struct, Metaprogramming, Dynamic evaluation, instance eval, Message
passing, Keyword arguments, DateTime, Truthiness, JSON with Ruby, Implicit
receives, understanding, Monkey patching, Introspection, Monkey patching,
Refinements, Monkey patching in Ruby, Catching exceptions with begin rescue,
Command line apps, Debugging, Pure RSpec JSON API testing, Recursion,
Installation, ERB, Introspection, Random numbers, Getting started with Hanami,
OptionParser, Splat operator, Multidimensional Arrays, Enumerable, Ruby access
modifiers, Operating system or shell commands, Contributors.