jem notesversion 2 / featuring this entry or see all/search

apps7 c3 design16 git17 javascript1 jquery1 mac17 math‑ish3 matlab2 mercurial1 python13 rails13 random18 ruby38 tex7 todo4 tools22 use‑this‑cmd22 use‑this‑code8 vim16 writings2

Dec 10

testing for a valid float in ruby ruby, use-this-code

Here’s a nice patch to the string class in Ruby to test if a string represents a valid floating-point number:

class String
  def valid_float?
    true if Float self rescue false
  end
end