Top "Rubygems" questions

Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppress'

I was trying run gem install json and got the following error Gem::Ext::BuildError: ERROR: Failed to build gem …

ruby macos rubygems

How to install therubyracer gem on 10.10 Yosemite?

I don't manage to install therubyracer gem on Yosemite 10.10. Here is the log: 11:53 $ gem install libv8 -v '3.16.14.3' -- …

ruby gem rubygems

nokogiri gem installation error

I know there are a lot of questions about this gem but no answer has worked for me. When I …

ruby-on-rails ruby macos rubygems nokogiri

Ruby Not Detecting Gems

For some reason, Ruby can't seem to under stand that I installed the AppFog gem (af). When I run af, …

ruby rubygems rvm appfog

Setup RSpec to test a gem (not Rails)

It is pretty easy with the added generator of rspec-rails to setup RSpec for testing a Rails application. But how …

testing rubygems rspec gem rspec2

therubyracer gem on windows

I've been peacefully developing on Windows without adding any gems for a few weeks now and today I decided to …

ruby-on-rails rubygems bundler devkit

Ruby Gems Not Installing, Hangs While Getting Gems

I recently cleared out all of my ruby install and installed form sources using the instructions at hivelogic I have …

ruby-on-rails ruby macos rubygems

How do I downgrade to an old version of compass using gem install?

I've been using compass from http://compass-style.org/ to manage my sites css for a long time. I just installed …

rubygems sass compass-sass

How do I "activate" a different version of a particular gem?

I want to switch between rails 2.3.10 as the "active" gem for my OS, so that I can invoke it at …

ruby-on-rails ruby rubygems rvm

Why does "compass watch" say it cannot load sass/script/node (LoadError)?

I'm having a problem with my compass watch command - it worked fine up until a few days ago. I …

ruby rubygems compass-sass