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how to eval / constantize a string to a method, then pass arguments to it

How do you include a class from /lib into your code in app/controllers

versioned rails db and differ

Two different profile types

Is there any 'Equinox (OSGi)' like implementation for using in Ruby?

ruby osgi equinox multi-module

ruby access instance variable in instance_eval

What is the proper way to override is_a? and kind_of?

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ruby can't dup Fixnum

ruby-on-rails ruby

Use `next` with an accumulator argument in a `reduce`

ruby coding-style rubocop

How can I post to posts and pages on a blogger blog using Ruby?

ruby google-api gdata blogger

What does IRB use to determine how to represent a returned instance?

ruby class irb

Load balance active TCP sessions to AWS Aurora RDS

Seek to "0" or use rewind method?

ruby file

Get latest Ruby version

How to get has_secure_password to work in production?

Ruby ssh error Net::SSH::AuthenticationFailed while it works with PHP

ruby authentication ssh