Question 1 of 25
Hints left: 3
Q1
What does the "stabby lambda" (->) syntax in Ruby represent?
Q2
What is the significance of using the include? method in Ruby's Enumerable module?
Q3
What is a "predicate method" in Ruby?
Q4
What is the purpose of the catch and throw keywords in Ruby?
Q5
Which method is used to convert a hash into an array of key-value pairs in Ruby?
Q6
What does the autoload method in Ruby do?
Q7
What is the purpose of the public_send method in Ruby?
Q8
In Ruby, what is the purpose of the module_function keyword?
Q9
Which Ruby module is commonly used to implement the Singleton design pattern?
Q10
Which method in Ruby is used to convert an object to a JSON string?
Q11
What is the purpose of the String#<< method in Ruby?
Q12
What is the primary difference between module_function and extend self in Ruby?
Q13
What does the "bang" (!) operator do when appended to a method name in Ruby?
Q14
What does the term "immutability" refer to in Ruby?
Q15
What does the term "memoization" refer to in Ruby?
Q16
What is a "callback" in the context of Ruby on Rails?
Q17
In Ruby, what is the purpose of the #method method?
Q18
What is a "memoization" technique in Ruby?
Q19
In Ruby, what is the purpose of the __send__ method?
Q20
What does the term "DSL" stand for in Ruby programming?
Q21
Which Ruby module is commonly used for method delegation?
Q22
Which method is commonly used to dynamically define instance methods in Ruby?
Q23
What is the purpose of the Enumerator class in Ruby?
Q24
What is the purpose of the attr_accessor method in Ruby?
Q25
What does the send method in Ruby do?