Getting started

Casting type conversions

Blocks and procs and lambdas

Regular Expressions and regex based operations

Design patterns and idioms

Loading source files

Special constants in Ruby

Ruby version manager

Gem creation / management

Variable scope and visibility

Environment variables

Metaprogramming

Dynamic evaluation

Dynamic Evaluation

Evaluating a String

Evaluating Inside a Binding

Instance evaluation

Dynamically Creating Methods from Strings

Message passing

Keyword arguments

Implicit receives, understanding

Monkey patching

Monkey patching

Monkey patching in Ruby

Catching exceptions with begin rescue

Command line apps

Pure RSpec JSON API testing

Getting started with Hanami

Multidimensional Arrays

Ruby access modifiers

Operating system or shell commands

Dynamic evaluation

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Dynamic evaluation/

Dynamic Evaluation

Evaluating a String

Evaluating Inside a Binding

Instance evaluation

Dynamically Creating Methods from Strings

Table Of Contents

1 Getting started

2 Casting type conversions

6 Blocks and procs and lambdas

14 Method missing

17 Regular Expressions and regex based operations

20 Design patterns and idioms

21 Loading source files

26 Special constants in Ruby

28 Ruby version manager

29 Gem creation / management

31 Variable scope and visibility

33 Environment variables

36 Time

38 Destructuring

39 IRB

41 C extensions

43 Metaprogramming

44 Dynamic evaluation

45 instance eval

46 Message passing

47 Keyword arguments

50 JSON with Ruby

51 Implicit receives, understanding

52 Monkey patching

53 Introspection

54 Monkey patching

56 Monkey patching in Ruby

57 Catching exceptions with begin rescue

58 Command line apps

60 Pure RSpec JSON API testing

62 Installation

63 ERB

64 Introspection

65 Random numbers

66 Getting started with Hanami

67 OptionParser

68 Splat operator

69 Multidimensional Arrays

71 Ruby access modifiers

72 Operating system or shell commands

73 Contributors