$ sudo gem sources -r http://gems.datamapper.org
Bulk updating Gem source index for: http://gems.rubyforge.org/
ERROR: While executing gem ... (Gem::RemoteSourceException)
HTTP Response 404 fetching http://gems.datamapper.org/yaml
$ sudo nano ~/.gemrc
Tools We Like v3 - The other day at lunch I was talking my colleague’s ear off about various technologies I like to use and why I like to use them. I decided to compile a lis...