Updating rubygems nothing to update

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Large libraries, like Rails, RSpec, Twitter Bootstrap, etc. Typically if a major version number is updating, like Rails 3.x to 4.x and RSpec 2.x to 3.x, that’s going to require lots of code changes. Going from Rails 3.x to Rails 4.x is more difficult than Rails 4.0 to Rails 4.1.

There’s a similar story with RSpec 2.x to 2.99, compared to going to RSpec 3.0.

If you don’t have good tests coverage, a great place to start is with integration tests that do the basics of your app.

Ruby on Rails is an open source full-stack web application framework written in Ruby. I have a dataset with 300 Million entries and I need to insert it in a Postgre SQL database.

It follows the popular MVC framework model and is known for its "convention over configuration" approach to application development. I need to attach the msg file to rails, i have add the mime type for the msg filetype validates_attachment :file, content_type: { content_type: ["image/jpg", "image/jpeg", "image/png", "image/gif", "... I have created 3 different models in rails, Athlete, Musician, and Artist. The data is in the form of gzipped JSON lines files on Amazon's S3.

[]: ----------------------------- []: --- Step: update_fastlane --- []: ----------------------------- []: Looking for updates for cert, credentials_manager, deliver, fastlane, fastlane_core, frameit, gym, match, pem, pilot, produce, scan, screengrab, sigh, snapshot, spaceship, supply...

[]: The update_fastlane action requires rubygems version 2.1.0 or greater.

What are the best-practices for upgrading gems to newer versions?

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