app/views/activities/_activities_list.html.erb
<div id="activities-pagination"><%= paginate activities, :remote => true, params: (local_assigns[:paginate_params] || {}) %></div>
<ul id="activities-list" class="list activities-list">
<% unless activities.empty? %>
<% activities.each do |activity| %>
<%= render_activity activity, @user %>
<% end %>
<% else %>
<% if @user %>
<p class="empty"><%= t 'activities.empty', {name: @user.name} %></p>
<% else %>
<p class="empty"><%= t 'news_feed.empty' %></p>
<% end %>
<% end %>
</ul>