My .emacs File

.emacs

(require 'mouse)                                                                                                                                                                                            
(xterm-mouse-mode t)                                                                                                                                                                                        
(defun track-mouse (e))                                                                                                                                                                                     
                                                                                                                                                                                                            
;; Save all backup file in this directory.                                                                                                                                                                  
(setq backup-directory-alist `(("." . "~/.emacs_backups/")))                                                                                                                                                
(setq backup-by-copying t)                                                                                                                                                                                  
                                                                                                                                                                                                            
;; Tabs yields 2 spaces                                                                                                                                                                                     
(setq-default indent-tabs-mode nil)                                                                                                                                                                         
(setq-default tab-width 2)                                                                                                                                                                                  
(setq indent-line-function 'insert-tab)                                                                                                                                                                     
                                                                                                                                                                                                            
;; Show column number on the bottom status bar.                                                                                                                                                             
(setq column-number-mode t)                                                                                                                                                                                 
                                                                                                                                                                                                            
;; Add color-theme to emacs to get the Solarized theme to work.                                                                                                                                             
;; This should not be an issue once emacs 24 is installed.                                                                                                                                                  
(add-to-list 'load-path "~/.emacs.d/color-theme-6.6.0/")                                                                                                                                                    
(require 'color-theme)                                                                                                                                                                                      
(eval-after-load "color-theme"                                                                                                                                                                              
  '(progn                                                                                                                                                                                                   
     (color-theme-initialize)                                                                                                                                                                               
     (color-theme-hober)))                                                                                                                                                                                  
                                                                                                                                                                                                            
;; Use the Solarized color theme                                                                                                                                                                            
;; git-clone'd from:                                                                                                                                                                                        
;; https://github.com/sellout/emacs-color-theme-solarized                                                                                                                                                   
(add-to-list 'load-path "~/.emacs.d/emacs-color-theme-solarized/")                                                                                                                                          
(require 'color-theme-solarized)                                                                                                                                                                            
                                                                                                                                                                                                            
;; Use the tangotango color theme                                                                                                                                                                           
;; I found this theme from the Org-mode listing of colors here:                                                                                                                                             
;; http://orgmode.org/worg/org-color-themes.html                                                                                                                                                            
;; A blog post about the 'tangotango' theme can be found here:                                                                                                                                              
;; http://blog.nozav.org/post/2010/07/12/Updated-tangotango-emacs-color-theme                                                                                                                               
;; Also, here is the github repository link (which I have cloned into ~/.emacs.d/):                                                                                                                         
;; https://github.com/juba/color-theme-tangotango                                                                                                                                                           
(add-to-list 'load-path "~/.emacs.d/color-theme-tangotango/")                                                                                                                                               
(require 'color-theme-tangotango)                                                                                                                                                                           
                                                                                                                                                                                                            
;; Use Emacs Speaks Statistics (ESS)
;; To install ESS, do this:
;; cd ~/.emacs.d
;; git clone https://github.com/emacs-ess/ESS.git
(add-to-list 'load-path "~/.emacs.d/ESS/lisp/")
(require 'ess-site)
                                                                                                                                                                                                            
;; Turns off the 'smart' underscore in ESS                                                                                                                                                                  
;; If on, this feature types " <- " if the underscore is pressed.                                                                                                                                           
(ess-toggle-underscore nil)

;; To use org-mode. This is from David O'Toole's Org tutorial:                                                                                                                                              
;; http://orgmode.org/worg/org-tutorials/orgtutorial_dto.html                                                                                                                                               
(require 'org-install)                                                                                                                                                                                      
(define-key global-map "\C-cl" 'org-store-link)                                                                                                                                                             
(define-key global-map "\C-ca" 'org-agenda)                                                                                                                                                                 
(setq org-log-done t)                                                                                                                                                                                       
                                                                                                                                                                                                            
;; We begin in org-mode by default with the following file types:                                                                                                                                           
;; *.org                                                                                                                                                                                                    
;; README                                                                                                                                                                                                   
;; README.md                                                                                                                                                                                                
;; TODO                                                                                                                                                                                                     
;; NOTES                                                                                                                                                                                                    
(add-to-list 'auto-mode-alist '("\\.org$" . org-mode))                                                                                                                                                      
(add-to-list 'auto-mode-alist '("README$" . org-mode))                                                                                                                                                      
(add-to-list 'auto-mode-alist '("README.md$" . org-mode))                                                                                                                                                   
(add-to-list 'auto-mode-alist '("TODO$" . org-mode))                                                                                                                                                        
(add-to-list 'auto-mode-alist '("NOTES$" . org-mode))                                                                                                                                                       
                                                                                                                                                                                                            
;; Agenda files for Org-mode                                                                                                                                                                                
;; When the agenda mode is run, these files are queried for their TODO tasks.                                                                                                                               
;; (setq org-agenda-files (list "~/todo/work.org"                                                                                                                                                           
;;                            "~/todo/school.org"                                                                                                                                                           
;;                            "~/todo/home.org"))                                                                                                                                                           
                                                                                                                                                                                                            
;; Standard Orgmode-to-LaTeX export commands                                                                                                                                                                
;; I obtained the below commands from the official Org-mode site.                                                                                                                                           
;; http://orgmode.org/worg/org-tutorials/org-latex-export.html                                                                                                                                              
;; Detailed customizations can be obtained with directions from the same link.                                                                                                                              
(require 'org-latex)                                                                                                                                                                                        
(unless (boundp 'org-export-latex-classes)                                                                                                                                                                  
  (setq org-export-latex-classes nil))                                                                                                                                                                      
(add-to-list 'org-export-latex-classes                                                                                                                                                                      
             '("article"                                                                                                                                                                                    
               "\\documentclass{article}"                                                                                                                                                                   
               ("\\section{%s}" . "\\section*{%s}")                                                                                                                                                         
               ("\\subsection{%s}" . "\\subsection*{%s}")                                                                                                                                                   
               ("\\subsubsection{%s}" . "\\subsubsection*{%s}")                                                                                                                                             
               ("\\paragraph{%s}" . "\\paragraph*{%s}")                                                                                                                                                     
               ("\\subparagraph{%s}" . "\\subparagraph*{%s}")))