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You may have faced this issue where { key: false } was treated as { “key”: “false” } when writing request specs in rails application development. Request params need to be passed as json along with content-type header in order for the Rails API to ca...
irb(main):021> arr = [3] => [3] irb(main):022> arr |= [3] => [3] irb(main):023> arr |= [3, 2] => [3, 2] irb(main):024> arr |= [3, 2] => [3, 2]
You might have seen this solution. Object.send(:remove_const, :ExampleClass) But what if you want to remove namespaced classes in Ruby. You can use the same method, but instead of Object use the parent module where your class is nested. module App ...
A polygon always has an exterior angle sum to 360 no matter the number of sides or their width. A triangle has an exterior angle sum equal to 360 A square has an exterior angle sum equal to 360 A pentagon has an exterior angle sum equal to 360 Quadri...
y = a(x-h)^2 + k If there's a parabola. You can find and tweak it with these parameters 'a' defines whether parabola is facing upward of downward 'h' defines horizontal position of the vertex of parabola. 'k' defines the narrowness of parabola. ...
Do you agree that lines can go upward / direction or downward \ ? What's the direction of the following line? Yes, upward. This line is represented by y = x . xy -1-1 00 11 22 Now, let's see a line going downward. This is represented by...
Class instance variables are variables that have punctual prefix @ and are used inside class definition. class Shape @count = 6 def instance_method_x puts "No: '#{@count}'" end class << self def class_method_x puts "No: '#{...
Class variable Class variables are variables prefixed by @@ . class Shape @@no_of_shapes = 6 def instance_method_x puts "No: #{@@no_of_shapes}" end class << self def class_method_x puts "No: #{@@no_of_shapes}" end en...
There might be times when your @current_user instance variable gets re-used between multiple requests in your rspecs. This might result in strange test behaviours resulting in test failings. Just clear the cache completely. Rails.cache.clear