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Rails provides several help...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
Learn how to remove conditionals and make your code simpler and more reliable using Ruby and ActiveSupport's Array wrap methods
Ever wondered what the difference between Symbols and Strings were? Why would we use one over the other when most languages only have strings?
Learn how to enable the experimental new Just-in-time compiler for Ruby 2.6
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