balramkhichar

watchman watch-del-all && rm -rf $TMPDIR/react-* && rm -rf node_modules/ && npm cache clean && npm install && npm start -- --reset-cache

balramkhichar

def location_in_hierarchy(object, method)
  history = []
  current = object.class
  history << current
  while (current.superclass!=nil)
    history << current.superclass
    current = current.superclass
  end
  history = history.reverse
  history.find do |ob| 

balramkhichar

What is method_missing ?

When we send a message to an object, it first method it finds on its method lookup path with the same name as message. If it fails to find any method like this then it will raise NoMethodError exception.

method_missing is a known tool in the Ruby meta-programming toolbox. It’s a callback method that gets called when an object tries to call a method that is missing. An example of this is dynamic finders in ActiveRecord. Let's say Member has an email attribute, you can do Member.find_by_email('[email protected]') and the interesting fact is that User and ActiveRecord::Base have not defined it.


example:

class MyClass