rvm – Branch origin/ruby_2_1_0 not found.

Problem

You are trying to install the new ruby in your ubuntu rvm installation with rvm install 2.1 but you are getting the error:

Solution

If you are careful and you notice a warning message as:

then you would need to update your rvm installation to the latest one with:

And then you should be able to install the latest ruby version with:

Adding a url link to a static page in django

Problem

You would like to create a link to a static page in a template in your django application.

Solution

As described in the documentation Django static files, add the following in your template (note the static template tag):