NoMethodError: undefined method `length' for Spreadsheet::Workbook

• 0 vote201 views1 answer

  Difference between Hash.new and Hash.new { |h, k| h[k] = [] }

  Ruby
• 0 vote210 views1 answer

  Text_field_tag placeholder rails

  Ruby
• 2 votes156 views1 answer

  Ruby tr

  Ruby
• 0 vote160 views2 answers

  Rails render partial

  Ruby
• 0 vote185 views1 answer

  Flash in rails

  Ruby
• 0 vote219 views1 answer

  Devise generate controller

  Ruby
• 2 votes212 views2 answers

  How to create migration with uniqueness inrails

  Ruby
• 0 vote210 views2 answers

  Remove ascii characters from string ruby

  Ruby
• 0 vote235 views1 answer

  Rails task don't recognize models

  Ruby
• 1 vote218 views1 answer

  How to find database name in rails console

  Ruby