Ruby Gem

Definitions

1. A packaged library or application distributed through RubyGems.org, Ruby's standard package manager. Each gem contains code, metadata, and a gemspec file. Dependencies are declared in a Gemfile and locked via Bundler to ensure reproducible installs.

   In plain English: A pre-built code package for the Ruby programming language that you can download and use in your project.

   Example: "Just add the Devise gem to your Gemfile — it handles registration, login, password resets, and session management out of the box."

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