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What exactly does big Ө notation represent?

I’m really confused about the differences between big O, big Omega, and big Theta notation. I understand that big O is the upper ...

May 30, 2022
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What is the difference between Θ(n) and O(n)?

Sometimes I see Θ(n) with the strange Θ symbol with something in the middle of it, and sometimes just O(n). Is it just ...

May 5, 2022
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What does %w(array) mean?

I’m looking at the documentation for FileUtils. I’m confused by the following line: FileUtils.cp %w(cgi.rb complex.rb date.rb), '/usr/lib/ruby/1.6' What does the %w mean? ...

April 17, 2022
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