Self.find_by_id

def self.find_by_id(id)
    sql = <<-SQL
    SELECT * FROM dogs WHERE id = ?
    SQL

    DB[:conn].execute(sql, id).map(){|row|
      self.new_from_db(row)
    }.first
  end

Similar codes

-1 vote361 views1 answer
Starry spheres
Python
0 vote405 views1 answer
RuntimeError: Expected object of type torch.FloatTensor but found type torch.cuda.FloatTensor for argument
Python
1 vote329 views3 answers
Isprime in python
Python
0 vote387 views3 answers
How to create a sub project in django
Python
0 vote350 views1 answer
HTTP Error 403: Forbidden django using sendgrid
Python
0 vote327 views1 answer
Postgresql backup using python
Python
106 votes361 views6 answers
How to install opencv
Python
1 vote359 views1 answer
Addition/subtraction of integers and integer-arrays with DatetimeArray is no longer supported
Python
0 vote370 views1 answer
To run python script in terminal i want to type python insted of python3
Python
0 vote373 views10 answers
Loop
Python