Or even multiple scope parameters. For example, making sure that a teacher can only be on the schedule once per semester for a particular class.

• 5 votes440 views2 answers

  Rails lowercase

  Ruby
• 1 vote338 views1 answer

  Fibonacci sums ruby

  Ruby
• 0 vote334 views1 answer

  Rails migration change type of column

  Ruby
• 3 votes373 views2 answers

  Default value rails migration

  Ruby
• 0 vote336 views2 answers

  Date class to unix timestamp ruby

  Ruby
• 6 votes491 views1 answer

  How to remove columns from rails

  Ruby
• 0 vote357 views1 answer

  What is exclamation mark in ruby

  Ruby
• 1 vote317 views1 answer

  Is identation madatory in ruby

  Ruby
• 0 vote416 views1 answer

  Include? reverse ruby

  Ruby
• 0 vote351 views1 answer

  Rails scope where not

  Ruby