zhengjia

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

paulghaddad

####### Submission for Hamming Exercism Problem #########
class Hamming
  def self.compute(strand, comparison_strand)
    return 0 if strand == comparison_strand
    strand_array = strand.split(//)
    comparison_strand_array = comparison_strand.split(//)
    compute_difference(strand_array, comparison_strand_array)
  end

  def self.compute_difference(strand_1, strand_2)