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🧠 Hash Transformations in Ruby: index_by vs index_with July 4, 2025 Ruby and Rails developers often appreciate how expressive and elegant the language is—especially when it comes to working with collections. One of the lesser-known gems in Ruby’s Enumerable toolbox is the pair of methods: index_by and index_with. Both are incredibly powerful for transforming arrays … Continue reading 🧠 Hash Transformations in Ruby: index_by vs index_with
April 29, 2025 Since Ruby 2.7, the Enumerable#tally method has provided a clean and elegant way to count element occurrences in an enumerable. While it's an excellent addition for code readability, many Rubyists have noticed that in performance-critical scenarios, it tends to be slower than the classic each_with_object approach. In this article, we’ll explore why … Continue reading Why Enumerable#tally Can Be Slower Than each_with_object in Ruby
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