Top "Rubygems" questions

RubyGems is a package management tool for the Ruby programming language.

Rails error installing mysql2 (mysql2-0.3.20)

I am trying to get a rails project up and running on my local machine. When I do bundle install …

mysql ruby-on-rails rubygems mysql2
How to install rmagick gem on Windows?

How do I install rmagick gem for Windows XP? I already installed ImageMagick with the header files, and I installed …

ruby rubygems gem imagemagick rmagick
Rails: Gemspec is not valid. Please fix this gemspec

When I install a gem from github it gives me the error: number_internationalizer at /usr/local/rvm/gems/ruby-1.9.3…

ruby-on-rails rubygems gemspecs
foreman only shows line with “started with pid #” and nothing else

When I run foreman I get the following: > foreman start 16:47:56 web.1 | started with pid 27122 Only if I stop it (…

ruby-on-rails ruby heroku rubygems foreman
package configuration for libffi is not found in macOS while installing travis-cli

I am trying to install gem install travis to use travis-cli as per reference https://rubygems.org/gems/travis but …

ruby macos rubygems libffi travis-ci-cli
rubocop how do you fix Missing magic comment

I have a library of ruby code, and to look for defects I run $ rubocop And I get $ rubocop Inspecting 153 …

ruby rubygems rubocop
How to run a specific version of a ruby gem

I am running brakeman outside of my Gemfile, so am not using bundler. If I do gem list, I can …

ruby-on-rails rubygems brakeman
How to use Rails 3's ActiveSupport core extensions outside Rails

I'm having a problem using ActiveSupport's core extensions on a gem I am developing. I had it working with AS 2.3.8, …

ruby-on-rails rubygems activesupport
How to enable C extension support in jRuby?

I want to install a gem but I get the following error: Building native extensions. This could take a while... …

ruby configuration rubygems jruby
What is a "circular argument reference" error, with activesupport time_zone?

I'm new in ruby on rails, and I am trying to create a tutorial. I have a problem when I …

ruby-on-rails ruby rubygems rails-migrations