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I am wondering what are gems? Coming from C++, Java, its seem they are packages which form a class or a plugin i should say.
But how do they work? Most of them are on github to be shared but what happens when i place them in my gemfile and run bundle install?
Do i place the current version into a temporary file in the localhost or his the server fetching the information all the time from the github?7
Thank you
Gems are libraries; collections of Ruby files, descriptors, tests, and whatever else the library has.
They’re installed locally when you do a
bundle install.Use
bundle show [gem_name]to see where a gem was installed.I’d recommend using rvm or an equivalent to manage different sets of gems/rubies, though.