Rails 7 eliminates the issue of permitting nested hash. Now required attributes can be permitted by calling the permit method directly on the parent hash.
Super large lists can slow down the site's performance significantly, at times even freeze the application. In such situations windowing (or virtualization) comes to the rescue.
The at() method takes an integer value and returns the element at that index. It allows both positive and negative integers. Negative integers denote counting back from the last item in the array.
ActiveRecord's ConnectionPool is now fiber-safe! Adjust the value of config.active_support.isolation_level to either rely on threads or fibers to give a better throughput on fiber-oriented servers like Falcon.
