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def check_dependencies
    msg = {}
    self.class.reflect_on_all_associations.map{|e| e.name}.each do |assoc|
      dependency_size = self.send(assoc).size rescue next
      msg[assoc] = dependency_size if dependency_size > 0
    end
    unless msg.empty?
      linked_objects = "#{msg.map{|k,v| "#{k} #{v}"}.join(", ")}"
      errors.add :base, %{The #{self.class} could not be deleted because it is used by 
        #{linked_objects}  }

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find . -type f -printf '%p:\n  - %u\n  - %s\n  - %T+\n' > files.yml

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xterm*VT100*geometry: 94x28
xterm*font: -misc-fixed-medium-r-normal--20-200-75-75-c-100-iso8859-1
xterm*background: grey
xterm*foreground: lightblue
xterm*loginShell: true
xterm*scrollBar: true
xterm*rightScrollBar: true
xterm*title: XTerm
xterm*iconName: XTerm
xterm*saveLines: 50000

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# ~/.tmux.conf

###########################################################################
# Change prefix from default (^B) to ^G
# ^G doesn't interfere with emacs-style editing keys

unbind -n ^B
#unbind -n ^G
set -g prefix ^@

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Table of Contents

1. Ranger
2. Vim
3. Tmux
4. I3
5. Git

##Ranger ####Moving around

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"Install
"mkdir ~/.vim/tmp/backup
"mkdir ~/.vim/tmp/swap
"git clone https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/Vundle.vim
"
"For vim with lua see http://winter233.com/Using-Vim-with-Neocomplete/
"
set nocompatible
filetype off