题目内容

Which Ruby language mechanisms would be appropriate for implementing associations that can be used by ActiveRecord models? (a) build behaviors into ActiveRecord::Base (b) put behaviors in their own Module (c) put behaviors in their own Class

A. Only (a)
B. (a) or (b), but not (c)
C. (a) or (c), but not (b)
D. Any of (a), (b) or (c) would be equally suitable

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A. zike
B. initialize
C. get_veem
D. wurgle
E. No Violation
F. the class as a whole

A. Veem
Blurk
C. SnitVeem
D. BlortVeem
E. JitVeem
F. No Violation

A. P ≤ C ≤ H ≤ R
B. P ≥ min (C, H, R)
C. P ≤ C ≤ min(H, R)
D. Can’t tell without additional information

A. zike
B. initialize
C. get_veem
D. wurgle
E. he class as a whole
F. No Violation