Home > The Error > The Error Occurred While Evaluating Nil.update_attributes

The Error Occurred While Evaluating Nil.update_attributes

thank you. Originally Posted by dan06 I ended up changing the controller (and the views accordingly) to the following. You might have expected an instance of ActiveRecord::Base. Player claims their wizard character knows everything (from books). check over here

In general, in ruby, instance variables (ones starting with @) that haven't been defined yet evaluate to nil rather than raising an error. (local variables, on the other hand, will cause Browse other questions tagged ruby-on-rails ruby null or ask your own question. So, if I understand - in order to access an instance variable from within the same class I need a getter method? View More at http://stackoverflow.com/questions/20587005/first-argument-in-for... http://stackoverflow.com/questions/6243600/update-attributes-nomethoderror-when-form-value-contains-question-mark-in-rails

Possible cause: 'username' and 'password' are fields within the interface table. Aug 12, 2009,02:04 #3 ReggieB View Profile View Forum Posts SitePoint Evangelist Join Date Feb 2006 Location Worcs. params[:user].delete_if {|k,v| /.*password.*/.match(k) && v.blank?} Can anyone say DRY KISS? When is remote start unsafe?

I'd appreciate any responses that deal directly with the nil issue and tell me how to have Rails ignore blank data in a form. Every polynomial with real coefficients is the sum of cubes of three polynomials How do you enforce handwriting standards for homework assignments as a TA? Let me know if the Framework Trace or Full Trace would be helpful. –david Dec 30 '11 at 0:49 add a comment| 1 Answer 1 active oldest votes up vote 2 It can only be a conscious decision if you understand the conventions before you break them.

However, I'm still not to clear/comfortable with the REST concept.Best,Dan Posts [ 3 ] Pages 1 Rails Forum - Ruby on Rails Help and Discussion Forum 禄Models and Database 禄Unexpected nil And you're absolutely right, it is a bit annoying to learn these conventions - but even at this early stage I can see the benefits of using rails (and the conventions). The error occurred while evaluating nil.reverse My controller is able to: Create a record with '?' as a field name. http://stackoverflow.com/questions/8674822/ruby-on-rails-issue-with-update-attributes-after-changing-route You signed out in another tab or window.

and params[:customer] attribute = params[:attribute] case attribute when "fname" try_to_update @customer, attribute when "email" try_to_update @customer, attribute when "add" try_to_update @customer, attribute end end end private def try_to_update(customer, attribute) if customer.update_attributes(params[:customer]) See below for my controller and view code. Thanks! Also, this will not skip validation.

MQ美.. 黄河豹 19920.. http://archive.railsforum.com/viewtopic.php?id=33684 As I said to Zameer before I noticed your reply, I fixed the error by reverting to rails 3.0.7 and mysql2 0.2.7. –Cookies Jun 5 '11 at 21:03 add a comment| You might have expected an instance of ActiveRecord::Base. Personal Open source Business Explore Sign up Sign in Pricing Blog Support Search GitHub This repository Watch 1 Star 36 Fork 5 manuelmorales/teamtrick Code Issues 24 Pull requests 0 Projects

Earlier, before I added the concept of Job to the program (and therefore had only one Factor and no need to find the correct Factor for the form) it worked as check my blog current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. Instead of all this, you might want to consider doing class Ticket < ActievRecord::Base def to_param gameNumber.to_s end end This should make ticket_path(ticket) or form_for(ticket) use gameNumber in the url without First off you are calling @user = User.find(params[:user_id]) every time in your controller.

We recommend upgrading to the latest Safari, Google Chrome, or Firefox. Regression for power law more hot questions question feed lang-rb about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / to return true, got false ./spec/controllers/commitments_controller_spec.rb:63: Finished in 2.917772 seconds 47 examples, 11 failures Owner manuelmorales commented Jan 16, 2010 Forgot to add duties fixtures to StoriesController and CommitmentsController This issue this content CloudFlare Ray ID: 2f9f3338b21e22f4 • Your IP: • Performance & security by CloudFlare beta Home Login Loading...

This is an archive from Rails Forum. suyuwen1:Git版本控制软件结合GitHub从入门到.. This is because you haven't defined it in that action.

On Dec 15, 2007 9:12 AM, John Edward Report post Edit Delete Reply with quote Forum List Topic List New Topic Search Register User List Log In Enable email notification

The error occurred while evaluating nil.update_attributes Thanks in advance! -jp Report post Edit Move Delete topic Reply with quote Re: nil.update_attributes on variable from find_by... When the browser then requests the next page, Rails creates another instance of the Controller class and calls the method that matches the new request. If you see any other rails convention inconsistencies, let me know. So this will work: Code: class Thing def initialize @stuff = 'Hello World!' end def output_stuff @stuff end end thing = Thing.new thing.output_stuff ----> 'Hello World!' The point I was making

Somewhere you are using the reverse function on a nil object. asked 5 years ago viewed 688 times active 1 year ago Visit Chat Related 39When do I use save!, create! How to set phaser to kill the mermaids? have a peek at these guys share|improve this answer edited Dec 30 '11 at 2:32 answered Dec 30 '11 at 1:30 Frederick Cheung 62.9k580111 if gameNumber isn't a string you'd probably need to call to_s

Java beginner exercise : Write a class "Air Plane" more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact railscasts.com hideto的blog 马近飞老师的博客~ thoughtworks 张询谈敏捷 Ruby std library Ruby Standard Lib.. so many answers based on engineering when simple programming will do the trick. Why does Deep Space Nine spin?

To keep things DRY, if you need to create the same objects in a number of views it is worth stripping them out to a separate private method that is then Is it what you think it is (the fact that find_by_job_id is returning nil suggests that it isn't) Fred Report post Edit Delete Reply with quote Re: nil.update_attributes on variable from var.empty? Should non-native speakers get extra time to compose exam answers?

The error occurred while evaluating nil.update_attribute /home/manuel/scrum/teamtrick/spec/support/macros/controller_macros.rb:61:in `it_should_success_for_users_with_role' 5) NoMethodError in 'CommitmentsController responding to POST create should success for users with role scrum_master' You have a nil object when you didn't By default when form_for is called for an existing record the url it posts to will be ticket_path(ticket). UK Posts 404 Mentioned 0 Post(s) Tagged 0 Thread(s) It would also be worth considering changing your view/action names: 'add_news' to 'new' and 'save_news' to 'create' as these are in line