The IRB ____.
A. Provides Ruby programmers with command line access to the Ruby parser.
B. Can be used to test the effects of Ruby statements.
C. Can be used to load and execute entire scripts.
D. All of the above.
Answer: D
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Which of the following is not a valid runtime description according to Big O notation?
a. O(1) b. O(n) c. O(n 2 ) d. All of the above are valid.
A(n) ________ is like a pointer. It is used to access the individual data elements in a container.
A) element access operator B) subscript indicator C) global data finder D) iterator E) None of the above
A virtual function is declared by placing the __________ key word in front of the return type in the base class's function declaration.
a. virtual b. private c. public d. protected e. None of these
Format used in special situations where other formats aren’t supported, such as earlier versions of mobile Safari.
a. Embedded OpenType (.eot) b. TrueType (.ttf) c. Scalable Vector Graphics (.svg) d. Web Open Font Format (.woff)