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Questions tagged [method-missing]

The Ruby method that is invoked on an object when you send it a message (or call a method) that it doesn't understand.

The method_missing method is used to respond to methods when you don't know what methods you need to understand until runtime.

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Ruby on Rails Plugin: acts_as_taggable_on_steroids. Keep getting "method_missing" undefined local variable or method 'acts_as_taggble_on'

I am trying to implement a tagging system for my rails app. I employed the popular plugin acts_as_taggable_on_steroids, and followed the instruction on how to install it. I then included acts_as_taggable in the model that I would like to have tags…
Jacky
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debugging the caller inside rails

In side a rails app, after setting a breakpoint inside an action method of controller using byebug, when I type some gibberesh, I find that a method from my application_controller.rb is automatically executed before printing out "undefined local…
american-ninja-warrior
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Ruby 2.3.3: exploring method lookup

I have a challenge: to explore how method lookup works in Ruby. Here’s experimental code: class Object def method_missing(*args) @count = @count.to_i + 1 puts "Object: #{ @count }" super end end module Module1 def…
rublen
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Multiple arguments for method_missing

I have the following method_missing code implemented in a model: # class Thought def self.method_missing(method_id, *arguments, &block) if $CLIENT.respond_to?(method_id) $CLIENT.send(method_id, *arguments, &block) # Do some stuff…
Karl
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How to add a property/use method_missing approach to an ActiveRecord object in Rails?

I'm querying a mysql database and returning an array of objects created by a join. From what I understand, the ActiveRecord select command returns an array of new objects, each with the properties of both tables in the join. I want to perform some…
Ryan McGarvey
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Missing method exists in DLL

It seems I'm missing the method LambdaExpression.CompileToMethod under the namespace System.Linq.Expressions that exists in the referenced assembly and I cannot understand why. When I'm including this method in my codebase: public static void…
Karl Thunberg
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Julia - workspace()

I've been using Win7 to develop in Julia, and I've got a method called loadAll() which runs an include(x) on all relevant files (I'm simultaneously working on a bunch of scripts and I cant be bothered to write the full path for every specific file…
isebarn
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Ruby: what is the best way to find out method type in method_missing?

At the moment I've got this code: name, type = meth.to_s.match(/^(.+?)([=?]?)$/)[1..-1] But it doesn't seem to be the best solution =\ Any ideas how to make it better? Thanks.
Daniel
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Calling method_missing for undefined attributes in Rails after using "update" method

Is there a short way for obj.update(attr1: "something") method to call method_missing instead of raising the error ActiveModel::UnknownAttributeError (unknown attribute 'attr1' for Obj.)? I am thinking about simply rescuing it and then…
Gene D.
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Rails server returning error with Gemfile

When I run my rails server on Terminal, I get the following message: Exiting /Users/Rushal-Marketing/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.5/lib/active_record/dynamic_matchers.rb:26:in `method_missing': undefined method `devise' for Install…
RushalA
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FileMaker Missing Function

Set Variable [$var1; Value: Get(ScriptParameter) & " "] Set Variable [$Clip; Value: (1;$SP)] I realize that a plug in that is no longer installed with my version of Filemaker is causing this function to be missing. Could someone…
pHorseSpec
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FileMaker MissingFunction

Set Variable [$Write; Value: ("filepath";$inputedText)] I'm trying to determine what the missing function is. I'm trying to write data to an external file with this script, and this is one line of code from the script. I can't…
pHorseSpec
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Get SEO friendly URLS with Rails without method_missing?

Currently we are using method_missing to catch for calls to SEO friendly actions in our controllers rather than creating actions for every conceivable value for a variable. What we want are URLS like this: /students/BobSmith and NOT…
tesserakt
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Override same Class method in Ruby with Multiple Modules, with need to call super. Do I use Method Alias, or some other clever trick?

Here's the situation: I have a User model, and two modules for authentication: Oauth and Openid. Both of them override ActiveRecord#save, and have a fair share of implementation logic. Given that I can tell when the user is trying to login via…
Lance
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identify nature of missingness for categorical variables

could you please give me some hints for identifying the nature of missingness for categorical variables' missing value? I mean, I gave a fast search on google scholar but I didn't find anything related with this. How could I understand if…
stat
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