my daily rice

When you need to update ruby gems and it says there’s nothing to update,

instead of gem update –system, you need first install rubygems-update then update

Code:

Rake is a general-purpose command-runner that Rails uses for many things. You can see the list of available rake commands in your application by running rake -T.

If you want to install plugins in your rails application, you can simply do:

./script/plugin install [SOURCE]

Code:

When you get the error below while installing or upgrading rails to a newer version

Code:

Make sure that your RAILS_GEM_VERSION in environment.rb matches rails version.