Nowadays, there is a growing need to have mechanisms that allows us to control who performed a particular action in a system. Rails provide us a lot of useful tools that help us build awesome solutions, but by default it does not offer us relevant tools to achieve this purpose. Most of the time what we get to know is the date of the last change of a particular record and the date of its creation,
Efficient, immutable, and thread-safe collection classes for Ruby. The immutable-ruby gem provides 6 Persistent Data Structures: Hash, Vector, Set, SortedSet, List, and Deque (which works as an immutable queue or stack). Whenever you "modify" an Immutable collection, the original is preserved and a modified copy is returned. This makes them inherently thread-safe and shareable. At the same time, t
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