Keeping Data in Sync with ActiveRecord::UpdatedAt
Photo by Kayla KandzorraActiveRecord does not touch updated_at by default when calling: ActiveRecord::Base#update_columnActiveRecord::Base#update_columnsActiveRecord::Relation#update_allThis was causing some unexpected issues with caching and incremental ETL to external systems since our usage of updated_at to signify data modifications was inconsistent. We realized that we rarely ever have a reas
Auto-Labeling Pull Requests
Photo by Sanwal DeenAs our engineering team continues to grow it’s becoming difficult to keep track of all the changes that we’re introducing to our codebase every day. We’d like to find an automated way to categorize the changes in each pull request based on the files that they touch. Let’s try auto-labeling pull requests that match the following criteria: Dependencies have changed e.g. gems or n
Being Lazy with ActiveRecord
In programming language terms, “laziness” refers to code whose evaluation is delayed until the last possible moment. This strategy can have several benefits. For example: nums = (1..1_000_000).lazy squares = nums.map { |x| x * x } squares.take_while { |x| x < 100 }.to_a #=> [1, 4, 9, 16, 25, 36, 49, 64, 81]In this (contrived) example, since we're using a lazy enumerator, we never actually calculat
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