> Doing that is fine if you don't make coding changes - otherwise you have to
> manually restart your app to load the changes. These plugins are ment to be
> smart and only do that for files which change between requests making the
> app in dev mode faster.
It's essentially impossible to do this reliably, those plugins do a
pretty good job of making it 'mostly' work, but you'll still hit
things which break randomly or don't reload. The FAQ for rails-dev-
boost has some examples of the things which can't work right.
Also make sure you're not using a gem version with this problem:
https://github.com/rubygems/rubygems/issues/99
Or a ruby with this problem:
http://www.rubyinside.com/ruby-1-9-3-faster-loading-times-require-4927.html