$ 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
Why is my CDN 'slow' for mobile clients? - We're using a CDN but when we look at the performance numbers it appears to be far less effective for mobile clients. We're considering disabling it enti...