课程详情

Level 1
Expressions
1 Video - 8 Challenges
An overview of best practices for writing expressions in Ruby
Level 2
Methods & Classes
1 Video - 7 Challenges
passing optional arguments, raising exceptions, using begin/rescue/end, attr_accessor vs. attr_reader
Level 3
Classes
1 Video - 8 Challenges
Encapsulation, instance & private methods, inheritance, and refactoring
Level 4
ActiveSupport
1 Video - 7 Challenges
Helpers that are built on top of the Ruby Language (arrays, dates, hashes, numbers, and strings
Level 5
Modules
1 Video - 8 Challenges
Namespacing methods, Mixins vs. class inheritance, method hooks, ActiveSupport::Concern
Level 6
Blocks
1 Video - 6 Challenges
Iterating and yielding, passing arguments, returning variables, Enumerable, and refactoring

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