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https://stackoverflow.com/questions/38278809/undefined-method-write-inheritable-attribute-for-contactscontrollerclass
I upgraded my Rails version from 3.2.13 to Rails 4.2.6. In the older version, they used map_fields plugin where in my contacts controller: class ContactsController < ApplicationController req...
https://apidock.com/rails/Class/read_inheritable_attribute
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https://github.com/rails/rails/commit/ae44bf7c7ebb39d9a12d5253016f92617bee79c7
bye bye extlib_inheritable_*, AS callbacks now using class_attribute Signed-off-by: José Valim <[email protected]> ... # Defines class-level inheritable attribute accessor. Attributes are available to subclasses, # each subclass has a copy of parent's attribute. #
https://theschmitzer.blogspot.com/2008/12/rails-22-undefined-method.html
Rails 2.2 - undefined method 'write_inheritable_attribute' After installing Rails 2.2, I got what appears to be a common problem, where write_inheritable_attribute is no longer found. $ rails test
https://edgeapi.rubyonrails.org/classes/ActiveSupport/CurrentAttributes.html
Current should only be used for a few, top-level globals, like account, user, and request details. The attributes stuck in Current should be used by more or less all actions on all requests. If you start sticking controller-specific attributes in there, you're going to create a mess.
https://github.com/rails/rails/blob/master/activesupport/lib/active_support/configurable.rb
Mar 12, 2019 · Ruby on Rails. Contribute to rails/rails development by creating an account on GitHub. Ruby on Rails. Contribute to rails/rails development by creating an account on GitHub. ... rails / activesupport / lib / active_support / configurable.rb. Find file Copy path
https://apidock.com/rails/Class
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https://api.rubyonrails.org/classes/Class.html
Declare a class-level attribute whose value is inheritable by subclasses. Subclasses can change their own value and it will not impact parent class. Options:instance_reader - Sets the instance reader method (defaults to true).:instance_writer - Sets the instance writer method (defaults to true).
https://github.com/rails/rails/commit/ae44bf7c7ebb39d9a12d5253016f92617bee79c7
alias inherited_without_inheritable_attributes inherited: alias inherited inherited_with_inheritable_attributes: end: class Class # Defines class-level inheritable attribute reader. Attributes are available to subclasses, # each subclass has a copy of parent's attribute. # # @ param *syms<Array[#to_s]> Array of attributes to define inheritable ...
https://guides.rubyonrails.org/active_support_core_extensions.html
Active Support Core ExtensionsActive Support is the Ruby on Rails component responsible for providing Ruby language extensions, utilities, and other transversal stuff.It offers a richer bottom-line at the language level, targeted both at the development of Rails applications, and at the development of Ruby on Rails itself.After reading this guide, you will know: What Core Extensions are. How ...
https://rubydocs.org/d/rails-3-1-12/classes/ActiveSupport.html
This class has dubious semantics and we only have it so that people can write params[:key] instead of params['key'] and they get the same value for both keys.
https://api.rubyonrails.org/v3.0.0/classes/ClassInheritableAttributes.html
Retained for backward compatibility. Methods are now included in Class. Methods
https://apidock.com/rails/Class/inheritable_attributes
Method deprecated or moved. This method is deprecated or moved on the latest stable version. The last existing version (v3.1.0) is shown here.
https://www.spacevatican.org/2008/8/19/fun-with-class-variables/
This is down to the way that class_inheritable_accessor is implemented: The classes have an instance variable @inheritable_attributes (like we saw above) that is a hash with all the attributes. The accessor methods just pull the values in and out of the hash. When a class is subclassed the subclass gets a copy of @inheritable_attributes.
https://edgeapi.rubyonrails.org/classes/ActiveSupport/CurrentAttributes.html
Current should only be used for a few, top-level globals, like account, user, and request details. The attributes stuck in Current should be used by more or less all actions on all requests. If you start sticking controller-specific attributes in there, you're going to create a mess.
https://apidock.com/rails/Class/read_inheritable_attribute
Flowdock - Team Inbox With Chat for Software Developers. Check out how the team behind APIdock connects Pivotal Tracker, GitHub and group chat to one workflow.Pivotal Tracker, GitHub and …
https://api.rubyonrails.org/v3.1.2/classes/Class.html
Extends the class object with class and instance accessors for class attributes, just like the native attr* accessors for instance attributes. Note that unlike class_attribute, if a subclass changes the value then that would also change the value for parent class. Similarly if parent class changes the value then that would change the value of ...
http://weblog.jamisbuck.org/2011/6/7/sharing-the-inheritance-hierarchy.html
Jun 07, 2011 · Sharing the Inheritance Hierarchy. ... and the subclasses gain access to that via the “inheritable attributes” feature of ActiveSupport. Sadly, this does not work in ruby 1.9. Those tests have errors now, saying that the controller instance variable needs to be set in the setup method, because the inheritable attribute of the parent is no ...
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