How do you 'save' data to your database in a rails controller?

controller, persistence, ruby, ruby-on-rails, save

Solution

def update_dollars
    @user = User.find(params[:user_id])
    new_dollars = params[:updatedFunds]
    @user.dollars = new_dollars.to_i

    @user.save #store to database!
end

Problem

I am receiving ajax data in a rails controller. my `:updatedFunds` comes in within the params, and I set the users' dollars column value equal to it's value-- but it isnt persisting! ``` def update_dollars @user = User.find(params[:user_id]) new_dollars = params[:updatedFunds] @user.dollars = new_dollars.to_i #store to database? end ``` Whats the last step here?

Original source