My current .vimrc

.vimrc

execute pathogen#infect()

augroup HighlightTODO
    autocmd!
    autocmd WinEnter,VimEnter * :silent! call matchadd('Todo', '\(TODO\)\|\(FIXME\)\|\(XXX\)\|\(NOTE\)', -1)
augroup END

" No beeps
set noerrorbells
set visualbell

" Change terminal title
set title

" Set <Leader> to the space key
let mapleader=" "

map <C-n> :NERDTreeToggle<CR>
map <C-s> :NERDTreeToggle<CR>

" Indent as many times as you want in visual mode without losing focus
vnoremap < <gv
vnoremap > >gv

set wildignore=*.o,*.obj,*.hi,*.dyn_o,*.dyn_hi,*~

set nocompatible

set showcmd

" Sane backspace in terminal
set backspace=indent,eol,start

filetype plugin indent on

" tabs -> 2 spaces
set expandtab
set smarttab
set shiftwidth=2
set tabstop=8

" Incremental search
set incsearch

set hlsearch
" nnoremap <CR> :nohlsearch<CR><CR>
nnoremap <C-l> :noh<CR><C-l>

" Line numbers
set number
set relativenumber

syntax enable
" set background=light
" let g:solarized_visibility = 'high'
" let g:solarized_contrast   = 'high'
" let g:solarized_termcolors = 256
" colorscheme solarized
colorscheme gruvbox

"let hscoptions="rbhA"

set ambiwidth=double
set guicursor+=a:blinkon0

let g:syntastic_cpp_compiler         = 'clang++'
let g:syntastic_cpp_compiler_options = ' -std=c++11 -stdlib=libc++'
let g:syntastic_disabled_filetypes   = ['ipp']
let g:syntastic_idris_checkers       = []
let g:syntastic_haskell_checkers     = ['ghcmod']
let g:syntastic_haskell_options      = ['check']

set splitbelow
set splitright

set colorcolumn=80

" Invisible CursorLine
hi CursorLine term=none cterm=none
set cursorline "cursorline required to continuously update cursor position

nmap <Leader>o m`O<Esc>``m`o<Esc>``

autocmd FileType haskell set commentstring=--\ %s
autocmd FileType cabal   set commentstring=--\ %s
autocmd FileType idris   set commentstring=--\ %s

" Don't lose my place when switching buffers
se nostartofline

command! InsLanguagePragma :normal i{-# LANGUAGE  #-}
nmap <silent> <Leader>l :InsLanguagePragma<Esc>4h :startinsert <Esc>

command! InsImportQualified :normal iimport qualified 
command! InsImport          :normal iimport           
nmap <silent> <Leader>q :InsImportQualified<Esc>a
nmap <silent> <Leader>m :InsImport<Esc>a

" Enable airline
let g:airline#extensions#tabline#enabled = 1
let g:airline_right_sep=''
let g:airline_left_sep=''
" let g:airline_branch_empty_message=''
let g:airline_detect_modified=1
let g:airline_detect_paste=1
let g:airline_powerline_fonts=0
let g:airline#extensions#tabline#enabled = 1
set laststatus=2

highlight ExtraWhitespace ctermbg=red guifg=red guibg=darkred
match ExtraWhitespace /\s\+$/
set list listchars=tab:>-,trail:-,precedes:<,extends:>

" Hide buffers instead of closing them
set hidden

map <C-j> :bn<CR>
map <C-k> :bp<CR>

" List buffers and prompt for the buffer number to go to
nnoremap <Leader>b :ls<CR>:b<Space>

" Don't really need ex-mode, so remap Q to quit and ask if the file isn't
" saved.
nmap Q :q<CR>

set autoindent
set smartindent

" set guifont=Monospace:h20
set guifont=Menlo\ Regular:h15


autocmd BufEnter *.rkt,*.cljs,*.clj,*.cljs.hl RainbowParenthesesActivate
autocmd BufEnter *.rkt,*.cljs,*.clj,*.cljs.hl RainbowParenthesesLoadRound
autocmd BufEnter *.rkt,*.cljs,*.clj,*.cljs.hl RainbowParenthesesLoadSquare
autocmd BufEnter *.rkt,*.cljs,*.clj,*.cljs.hl RainbowParenthesesLoadBraces
autocmd BufEnter *.rkt,*.cljs,*.clj,*.cljs.hl setlocal iskeyword+=?,-,*,!,+,/,=,<,>,.,:
" -- Rainbow parenthesis options
let g:rbpt_colorpairs = [
  \ ['darkyellow',  'RoyalBlue3'],
  \ ['darkgreen',   'SeaGreen3'],
  \ ['darkcyan',    'DarkOrchid3'],
  \ ['Darkblue',    'firebrick3'],
  \ ['DarkMagenta', 'RoyalBlue3'],
  \ ['darkred',     'SeaGreen3'],
  \ ['darkyellow',  'DarkOrchid3'],
  \ ['darkgreen',   'firebrick3'],
  \ ['darkcyan',    'RoyalBlue3'],
  \ ['Darkblue',    'SeaGreen3'],
  \ ['DarkMagenta', 'DarkOrchid3'],
  \ ['Darkblue',    'firebrick3'],
  \ ['darkcyan',    'SeaGreen3'],
  \ ['darkgreen',   'RoyalBlue3'],
  \ ['darkyellow',  'DarkOrchid3'],
  \ ['darkred',     'firebrick3'],
  \ ]

" let &t_SI = "\<Esc>]50;CursorShape=1\x7"
" let &t_EI = "\<Esc>]50;CursorShape=0\x7"

" For tmux:
" let &t_SI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=1\x7\<Esc>\\"
" let &t_EI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=0\x7\<Esc>\\"

 " leave insert mode quickly
  if ! has('gui_running')
    set ttimeoutlen=10
    augroup FastEscape
      autocmd!
      au InsertEnter * set timeoutlen=0
      au InsertLeave * set timeoutlen=1000
    augroup END
  endif

nnoremap <CR> :

function! SendBuffer(cmd)
  let tempfile = tempname() . '.hs'
  silent call writefile(getbufline(bufname('%'), 1, '$'), tempfile)
  try
    silent execute ("!" . a:cmd . " " . shellescape(fnameescape(tempfile)))
  catch
    echoerr v:exception
  finally
    call delete(tempfile)
  endtry
  !
  " let tmpfile = tempname()
  " w tmpfile
  " cmd = cmd . " " . tmpfile
  " delete tmpfile
endfunction

" Disable code folding-by-default
set nofoldenable