If any ruby app depend on older Version Rubygem?
If any ruby app depend on older Version Rubygem?
like this:
   may be ,in this situation, there are some ruby app call some api of the older VERSION of RubyGem,but i have a latest Vesrion of RubyGem installed in my system.

  So,shall we installed  both two VERSION(latest and older)  Rubygems in my sysytem?
And how can i make this true?I mean that if i "apt-get install Rubygems --xxVersion",
can the app find it and call the api of it?


If any ruby app depend on older Version Rubygem?
===

If any ruby app depend on older Version Rubygem?
like this:
   may be ,in this situation, there are some ruby app call some api of the older VERSION of RubyGem,but i have a latest Vesrion of RubyGem installed in my system.

  So,shall we installed  both two VERSION(latest and older)  Rubygems in my sysytem?
And how can i make this true?I mean that if i "apt-get install Rubygems --xxVersion",
can the app find it and call the api of it?

