Uninstall all installed gems, in OSX?
There are instances where I would like to revert and uninstall all previous gem installations. For instance, I needed to assist a friend … Read more
rubygems
Rails: Installing PG gem on OS X – failure to build native extension
It seems many others have had problems installing the pg gem. None of the solutions posed for others have worked for me. I … Read more
Ignoring GEM because its extensions are not built
On both my work and home computers, I recently upgraded Ruby to 2.3.1, using ruby-install. I use chruby as my Ruby switcher. I … Read more
Understanding the Gemfile.lock file
After running the bundle install command, ‘Gemfile.lock‘ is created in the working directory. What do the directives inside that file mean? For example, … Read more
Library not loaded: libmysqlclient.16.dylib error when trying to run ‘rails server’ on OS X 10.6 with mysql2 gem
I’ve been struggling with this for some time. I’ve installed Rails 3, gem, mysql on my Snow Leopard machine. All was going well … Read more
Unresolved specs during Gem::Specification.reset:
When launching Guard, I’m getting this output: $ guard WARN: Unresolved specs during Gem::Specification.reset: lumberjack (>= 1.0.2) ffi (>= 0.5.0) WARN: Clearing out … Read more
Installing libv8 gem on OS X 10.9+
I’m trying to install libv8 3.16.14.3 but getting an error on OSX Mavericks using latest stable rvm and ruby-1.9.3-p125. This is the output … Read more
How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
The firewall I’m behind is running Microsoft ISA server in NTLM-only mode. Hash anyone have success getting their Ruby gems to install/update via … Read more
Uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
When I want to create a Ruby on Rails project, I get the message below. /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:55: uninitialized constant ActiveSupport::Dependencies::Mutex (NameError) from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require’ … Read more
rmagick gem install “Can’t find Magick-config”
I get the error shown below when attempting to install the rmagick gem. I am on Snowleopard 10.6 using RVM, Ruby 1.9.2-head and … Read more