lrjbrual

Need Help, When I tried to deploying the middleman application that I created I got some error here's the details:

➜  rj-profile git:(master) ✗ bundle exec middleman build
/Users/ryanjeff/.rbenv/versions/2.3.0/lib/ruby/site_ruby/2.3.0/rubygems.rb:250:in `find_spec_for_exe': can't find gem middleman
-cli (>= 0.a) (Gem::GemNotFoundException)
        from /Users/ryanjeff/.rbenv/versions/2.3.0/lib/ruby/site_ruby/2.3.0/rubygems.rb:278:in `activate_bin_path'
        from /Users/ryanjeff/.rbenv/versions/2.3.0/bin/middleman:22:in `<main>'
➜  rj-profile git:(master) ✗ middleman deploy
                 run  middleman build from "."
/Users/ryanjeff/.rbenv/versions/2.3.0/lib/ruby/site_ruby/2.3.0/rubygems.rb:250:in `find_spec_for_exe': can't find gem middleman

lrjbrual

======= Problem with codes using interpolation #{url}====
lapse Offence from Robocop: C: 12: 32: Prefer to_s over string interpolation.
-------------------------
require 'nokogiri'
require 'open-uri'

class Browser
  attr_accessor :url

  def initialize

lrjbrual

<%= render 'friends/lookup' %>
<% if @friendships.size > 0 %>
    <table class="table table-striped">
        <thead>
            <tr>
                <th colspan="3" class="page-header">
                    <h2>My Friends</h2>
                </th>
            </tr>
            <tr>