Ilya

Ilya has asked 4 questions and find answers to 23 problems.

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Ilya questions

Why map {}.compact is faster than each_with_object([])?
Render JSON with header

Ilya answers

Efficient way to do addition on big array
Make Rails table column attribute read only
Sort Hash Keys based on order of same keys in array
Declaring a Hash as a Constant with a default value in Ruby in one line
Singleton class and instance variables
Ruby - is efficient way to find the difference between two very large arrays?
Iterate over only public Ruby constants
How to test CSV import with RSpec?
Sort Ruby Hash by order in array of keys
How to access a class variable from the outside in ruby?