matthewd questions

matthewd answers

• Best approach to find two elements from unsorted array having sum as defined in inputs
• NoMethodError when using ruby refinements
• Workaround for content_for use in conjunction with fragment caching
• How do I raise an exception if an evaluation returns nil in Ruby?
• Memoizing functions with multiple parameters in Ruby
• What happen if i use ruby version 2.5.1 with rails version 2.3.18?
• How to use Selectize.js to find or create a rails belongs_to association?
• Rails: ActiveRecord where vs merge
• How to fix a slow implicit query on pg_attribute table in Rails
• What is Hash#count?