When I decided to enroll in a bootcamp, I researched several online bootcamps that provided a pretrial period, or a pre-bootcamp course. Of all that I took, I most enjoyed Firehose Project's pre-bootcamp, and they taught Ruby/Rails. So that's how I got into Rails.
I think a better approach though would be to research the languages that are most in demand in your local area (unless you don't mind relocating). Then choose from those languages.
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