You can use local copies of gems in your Gemfile like this: gem 'spreewald', path: '~/gems/spreewald' As soon as you...
This method will remove automatically installed packages that no other packages depend on any more. This, of course...
To update your Rubygems to the latest available version, type the following: gem update --system Note that you have a...
To check which rubygems versions your different rbenv rubys are using, you can use this small bash script:
Confusingly, RVM installs the bundler gem into the @global gemset, which is available to all gemsets and Rubies.
Travis CI is a free continuous integration testing service. However, it is really fragile and will break more than it...
If you want to switch to another ruby versions, you have several options, depending on what you want: Do you...
On recent/fresh installations of Ruby 1.8.7 you may encounter this error why calling any bundled binary (or just bundle exec...
You're better off using debugger-ruby_core_source: gem install debugger-ruby_core_source If you can't do...
The mysql2 gem in version 0.3.13 might break while compiling on older patch releases of Ruby 1.9.3 within rvm:
Do not use .rvmrc files to specify Ruby version and gemset configuration any longer, it's deprecated and not considered...
After running bundler / gem install I could not load nokogiri lately. It died with cannot load such file -- nokogiri/nokogiri.
As Bill Dueber has on his blog, you can call rvm in the shebang to select a Ruby version like...
When you download or upgrade RVM it has a hardcoded notion which patch level it considers to be "1.9.3".
For example if you use rvm and get this message: ERROR: Loading command: install (LoadError) no such file to load...
RVM needs to be updated regularly to know of Ruby versions released since installation (or last update).
If you worked with a system Ruby before switching to RVM, this system Ruby will be in your way when...
RubyMine: Set specific Ruby version per project
I was experiencing the following problem: It seems your ruby installation is missing psych (for YAML output). To eliminate this...
If you get an error like this ... can’t find executable rails for rails-3.2.3 (Gem::Exception) ... one of several...
Install libreadline: sudo apt-get install libreadline-dev Reinstall the ruby and tell rvm where to find readline
To use different Ruby versions on your computer you can use the Ruby Version Manager. It also allows you to...
If you are using RVM on a Mac and cannot enter 8+ bit characters on an IRB or Rails console...
First of all: You could just use RVM which would make the pain go away. If for some reason you...