Posts by Leonardo Olberg • 21 points

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  A: What’s the difference between downcase and downcase!

  In the standard Ruby standart library, the Bang (!) means that it does not modify the variable that is calling the method. But there are other implementations for it, for example, in Active Record…

  ruby

  answered 5 years, 2 months ago Leonardo Olberg 21

• 1

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  A: Split by upper case letters

  You can use the method split with the following regular expression: /(?=[A-ZÀ-Ú])/. It’ll look something like this: expression = 'EssaÉUmaFraseÇÁrvore' expression.split(/(?=[A-ZÀ-Ú])/) =>…

  ruby

  answered 5 years, 2 months ago Leonardo Olberg 21