To check if buyer.save is going to fail I use buyer.valid?: def create @buyer = Buyer.new(params[:buyer]) if @buyer.valid? my_update_database_method @buyer.save else ... end end How could...

I cant figure out how to update/rename a file uploaded/managed with Carrierwave-mongoid in rails 3.2.6. I want to rename the file in the db as well as on the filesystem. Something like this maybe....

I have a before_save in my Message model defined like this: class Message < ActiveRecord::Base before_save lambda { foo(publisher); bar } end When I do: my_message.update_attributes(:cre...

Right now, users can edit some their attributes without having to enter their password because my validations are set up like this: validates :password, :presence =>true, :confirmation => t...

I have a user and nested profile class as follows: class User < ActiveRecord::Base has_one :profile attr_accessible :profile_attributes accepts_nested_attributes_for :profile end class Prof...

hoping someone here can point me in the right direction. I have a controller Update def running "update_attributes". Currently it returns false, with no error message. I'm fairly new to Ruby, but...

obj.update_attribute(:only_one_field, 'Some Value') obj.update_attributes(field1: 'value', field2: 'value2', field3: 'value3') Both of these will update an object without having to explicitly tell...

This is probably one of the things that all new users find out about Rails sooner or later. I just realized that rails is updating all fields with the serialize keyword, without checking if anythin...

How can I specify validation_context with update_attributes ? I can do that using 2 operations (without update_attributes): my_model.attributes = { :name => '123', :description => '345' } m...

I have model Company and company has mounted carrierwave uploader Logo. class Company < ActiveRecord::Base mount_uploader :logo, LogoUploader Images upload works, but I have an issue with up...

My problem is I've run into limitations of accepts_nested_attributes_for, so I need to figure out how to replicate that functionality on my own in order to have more flexibility. (See below for exa...

I have a three models Report,Question,Answer Answer belong_to :question Question belong_to :reports has_many :answers, :dependent => :destroy accepts_nested_attributes_for :answers, :allow...

I've got the following Model: class GuestCatering < ActiveRecord::Base # Validation validates :name, :presence => true validates :order_number, :presence => true validates :orderable...

def update @album = Album.find(params[:id]) if @album.update_attributes(params[:album]) redirect_to(:action=>'list') else render(:action=>'edit') end end A Rails 1.1.6 tutorial that ...

I'd like to know which fields have been updated after an update_attributes statement. I'm filtering the updatable parameters and deleting those that I don't want updated from the params[:model]. No...

Ive got the following problem. I have a model called user which has a column named activated. Im trying to update that value whith the method activated?, but it gives me the error: Validation faile...

I have in a form (form_tag) several checkboxes like this: <%=check_box_tag 'model_name[column_name]', 1, (@data.model_name.column_name == 1 ? true : false)%> And updating them like: varia...

I have following piece of code @user = User.find(params[:id]) if (@user.activation_status == "active") #some code here @user.update_attribute('activation_status' ,'inactive') # Line 44 #send ...

So I've got a user model, with login, email address, password, password confirmation, name, avatar (picture), etc. There are validations on the first 5, basically stating that all 5 need to exist i...