Explain the difference between ActiveSupport’s "HashWithIndifferentAccess" and Ruby’s "Hash"?
Explain the difference between ActiveSupport’s "HashWithIndifferentAccess" and Ruby’s "Hash"?
题目类型: 技术面试题
这是一道技术面试题,常见于澳洲IT公司面试中。
难度: hard
标签: interviewbit, ruby-on-rails, topic-specific, ruby, rails, backend
参考答案摘要
The "HashWithIndifferentAccess" class treats symbol and string keys as equivalent, whereas Ruby's "Hash" class uses a tighter = = comparison on keys: thus a comparable string key will not get the valu...
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