Ruby-code Find Intersection Of Arrays Or Sets Cleanly In Ruby 3 Ruby 3+ provides elegant ways to find common elements between arrays, sets, or enum collections using intersection (&) or Set#intersection. This is especially useful for filtering, authorization checks, tag matching, or data deduplication.
Ruby-code Group Array Elements By Multiple Attributes In Ruby Grouping records by a single attribute is straightforward using Enumerable#group_by. But what if you want to group by multiple attributes, such as categorizing records by both type and status? This method handles that
Rails-code Deeply Remove All Nils And Empty Values From A Nested Hash In Ruby When handling deeply nested hashes or API payloads in Rails, it’s common to deal with nil values, empty arrays, or hashes that need to be cleaned before storage or transmission.
Rails-code Convert An Array Of Single Key Hashes Into An Attribute Hash You may encounter a situation where you have an array of single-key hashes and need to restructure it into a grouped hash based on the keys.
Rails-code Normalize Input Parameters By Symbolizing Keys And Stripping Empty Strings In Ruby When working with user-submitted forms or API input, it’s common to receive params with string keys and empty string values.
