In your project's root directory add a .ruby-version file and add the ruby version to the file ruby-2.0.0-p247 Next source RVM in the .powrc file, also in your project's root directory. source "$rvm_path/scripts/rvm" rvm use `cat .ruby-versio...

I am not using the full Xcode package on my laptop. Instead I'm using the command line tools, offered by Apple as a separate and much smaller install. I haven't had too many issues, aside from not being able to use the FileMerge program that ships with ...

I had an old version of rvm installed and wanted to upgrade. So old in fact that the resource for upgrading no longer existed. rvm update just returned a 301, redirect. Luckily, the following worked # checks out from repo rvm update --head # will re...

What is RVM and why should you use it? RVM is a Ruby interpreter, version management tool. In short, it enables you to switch between different versions and releases of Ruby (for instance, version 1.8.6, 1.8.7, jruby 1.9.2, ruby enterprise edition) on the...