nomethoderror Questions
3
Solved
I am trying to follow this coderwall tutorial about Creating a Scoped Invitation System for Rails.
In my Rails 4 app, I have the following models:
class User < ActiveRecord::Base
has_many :ad...
Kadi asked 14/9, 2015 at 17:41
4
Solved
Here is my code:
class Order < Grape::Entity
expose :id { |order, options| order.id.obfuscate }
expose :time_left_to_review do |order, options|
byebug
order&.time_left_to_review # ERROR...
Mailbag asked 22/8, 2017 at 19:18
2
Solved
I am getting the following error when I try to sign in in my rails app. I used devise for authentication. My error is
NoMethodError in Devise::SessionsController#create
undefined method `current_...
Subjectify asked 27/1, 2014 at 14:49
1
Solved
The below function will throw a NoMethodError when it is expected to calculate the sum of a given array.
By printing the result "p" it should return 10.
p [1,2,3,4].sum
#=> 10
Instead...
Ancillary asked 15/10, 2019 at 8:11
2
I am getting this error and using Rails 5.
NoMethodError (undefined method permit' for #<Array:0x007f51cf4dc948>
app/controllers/traumas_controller.rb:99:intrauma_params'
app/controller...
Hardback asked 4/10, 2016 at 14:58
1
Solved
I'm getting the below error message, not sure how to resolve it. Can anyone help please?
NoMethodError: undefined method `needs_migration?' for
ActiveRecord::Migrator:Class
Here is the config...
Ophthalmia asked 11/6, 2018 at 4:45
4
Solved
I am using a JSON parser to extract the value and I am using the following jar
json-path-2.1.0, and I am getting the following error when I invoke the use case deployed as webservice on weblogic se...
Comedian asked 4/12, 2016 at 1:12
1
Solved
I am using ruby 2.5 and rails 5.0.1 for my application. when i try to run console or generate controller or migration it gives me this error:
Running via Spring preloader in process 6473
Loading d...
Mesial asked 1/2, 2018 at 19:12
3
Solved
I keep getting the following error message:
text.rb:2:in `<main>': undefined method `choices' for main:Object (NoMethodError)
But I can't seem to understand why my method is "undefined":
...
Miltonmilty asked 12/1, 2014 at 7:33
2
Solved
Seemingly out of nowhere a rails project has broken for me on my local machine. The same codebase is working on production though, interestingly enough.
As soon as any asset tries to load I get th...
Korrie asked 5/4, 2014 at 8:36
1
Solved
I'm trying to check whether input from user matches RegEx [a-zA-z] so I've checked the docs for proper method. I found match? in Ruby-doc.org and copied the example shown in docs to irb, but instea...
Holarctic asked 22/1, 2017 at 14:50
4
Solved
I'm trying to set my program so that the password only is validated if it is changed (so a user can edit other information without having to put in their password).
I am currently getting an erro...
Alfeus asked 16/8, 2011 at 15:37
2
Solved
I have this little code that seems to contradict in some way Ruby's documentation:
The second visibility is protected. When calling a protected method the sender must be a subclass of the receiv...
Who asked 30/7, 2015 at 15:54
4
Solved
I was working on a simple Pi Generator while learning Ruby, but I kept getting NoMethodError on RubyMine 6.3.3, so I decided to make a new project and new class with as simple as possible, and I ST...
Umbelliferous asked 14/10, 2014 at 10:4
1
Solved
I have the following set up in rails:
Document has_many Sections
Section belongs_to Document
The Section form is completed in the documents/show view...the Document controller for this action is...
Trice asked 1/11, 2014 at 20:25
2
Solved
So I'm trying to install homebrew on my Macbook Pro in order to be able to run NINJA-IDE, and every time I execute the code that is given on the site I get this:
Joshs-MacBook-Pro:~ joshua$ ruby -...
Kildare asked 8/10, 2013 at 3:22
6
I am using CarrierWave with Rails 3.1. I am getting the following error message when I submit the form (trying to upload an image):
Error Message:
ActiveRecord::StatementInvalid in Admin::PostsCo...
Giacinta asked 18/9, 2011 at 21:16
2
Solved
I've been following Michael Heartl tutorial to create a follow system but I have a strange error: "undefined method `find_by' for []:ActiveRecord::Relation". I'm using devise for authentication.
M...
Oviform asked 19/7, 2013 at 15:54
4
Forgive my ignorance but I am brand new not only to Ruby but programming in general. I am working through the example on edge guides at rubyonrails.org. and am receiving the following error and des...
Billiebilling asked 19/4, 2013 at 16:16
3
Solved
I am working on building an application (following Michael Hartl's chapter 11) where users can follow projects that are created by other users.
I created a ProjectRelationship model to hold two co...
Waver asked 23/4, 2013 at 22:36
1
Solved
I'm trying to access a method from a module in one of my spec helpers
I include the module in the test helper
module Support
class RestHelper
include Rest::Rest
def create_rest_client_for_ifa...
Baroness asked 28/12, 2012 at 8:38
4
Solved
For some reason I started to get this error after switching to Rails 3.2. I guess it has something to do with acl9 plugin, which I tried reinstalling, but nothing changed.
I moved the plugins to ...
Heelpiece asked 25/2, 2012 at 1:35
1
Solved
I get the following error message after upgrading to rails 3.2.8
NoMethodError (undefined method `read_inheritable_attribute' for AdminController:Class):
can someone explain me how to get aroun...
Hankins asked 4/9, 2012 at 7:32
3
Solved
Why is try throwing an error? Doesnt that defeat the whole purpose? Maybe its just in the console?
ruby-1.9.2-p180 :101 > User.first.try(:something)
NoMethodError: undefined method `something' ...
Rockwood asked 15/9, 2011 at 6:38
2
Solved
When the global application controller is loaded first, the namespaced application controller does not load when loading pages within that namespace. The application controller looks like this:
cl...
Guthrun asked 5/6, 2012 at 17:31
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