rbenv is a great tool which enables you to install and pick a ruby version for your application. It is light weight and works by inserting a directory of shims at the front of the PATH Install Homebrew – a great package manager: ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)” Install rbenv – manage different versions on […]
Read more "Install rbenv and ruby"These days it is not necessary to have gem documentation installed locally. This unnecessarily increases installation time. Unless you have specific requirement for locally available documentation, you can skip the installation of rdoc and ri documentation when installing gems. Just add this to your home directory in <home_directory>/.gemrc file gem: –no-document # skip installation of all documentation […]
Read more "Install Gems without ri, rdoc documentation"If for whatever reason you end up with a broken rvm and quick fixes do not seem to fix it, it is better to just remove the entire rvm setup and reinstall it. This is what I did last time to remove my RVM and installed rubies. $ rvm implode Are you SURE you wish […]
Read more "RVM Implode / Uninstall and RVM Install"For making multiple substitutions in a string in one call of gsub, you could do something like this matchers = {‘some_term1’ => ‘string_to_replace_with1’, ‘other_term2’ => ‘string_to_replace_with2’} string = ‘some_term1_other_term2’ string.gsub(/some_term1|other_term2/) { |match| matchers[match] }
Read more "Ruby – Multiple string replacements with gsub"