Very infrequent posts about whatever I have going on
take vs first
      
  ActiveRecord.dup and constantize
      
  num_nulls and num_nonnulls
      
  take vs first
      
  NOT in Postgres CHECK constraints
      
  num_nulls and num_nonnulls
      
  take vs first
      
  num_nulls and num_nonnulls
      
  take vs first
      
  ActiveRecord.dup and constantize
      
  num_nulls and num_nonnulls