How to服务器托管网 upgrade/downgrade Rubygems:
For RubyGems 1.5.0 and 1.5.1:
RubyGems 1.5.0 and 1.5.1 shipped with a brokengem update --system. You will need to use the Manual Upgrade Recipe below.
On Ruby 1.9.x:
From stock ruby shipping with 1.9:
Use t服务器托管网he Normal Upgrade Method below. (finally!)
On Ruby 1.8.x:
From rubygems 1.3.x:
Use the Normal Upgrade Recipe below.
From rubygems 1-1.x through 1.2.x:
RubyGems 1.1 and 1.2 have problems upgrading when there is no rubygems-update installed. You will need to use the following instru
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