Rails Rails ActiveAdmin N+1 query optmization for controller actions ActiveAdmin is one of the most used Admin interface with the Rails applications. It provides an easy way to view, create, update or destroy records. When a model is registered with ActiveAdmin, it
Ruby Rails form_with - alternative to form_for and form_tag Rails 5.1 added form_with form helper method that provides capabilities of form_for and form_tag. Rails unified form_for and form_tag that provide similar interfaces to generate forms with form_with helper.
Ruby Safe navigation operator in Ruby Ruby 2.3 has introduced safe navigation operator. Safe navigation operator returns nil if a method is called on a nil object. Before this, if a method is called on a nil object, it
Rails Use find_each instead of all.each in Rails In Rails, sometimes we need to iterate over all the records from a model. To achieve this people prefer to use all.each on a model. This can lead to usage of memory if
Ruby Array comparison in ruby I was working on a problem to check on a large array of integers to check whether it is a part of another array or not. Both the arrays have unique elements, but
Ruby Ruby do not use keys method on a hash in loop Today, I was looking at the internal working of a gem. While working on the same, I came across the code where the network calls were being made and it had to check