Ruby - Ecosystem and Best Practices
Which Ruby gem is commonly used for performance profiling?
Which Ruby gem is commonly used for performance profiling?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall common Ruby gems
Rails is a web framework, Nokogiri is for XML/HTML parsing, RSpec is for testing.Step 2: Identify profiling gem
ruby-prof is the gem designed for performance profiling.Final Answer:
ruby-prof -> Option CQuick Check:
Profiling gem = ruby-prof [OK]
Quick Trick: ruby-prof gem is for profiling Ruby code [OK]
Common Mistakes:
- Choosing Rails as a profiling tool
- Confusing testing gem RSpec with profiling
- Picking unrelated gems like Nokogiri
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