.vimrc 备份
自从前几天一不小心清空了~/下的所有文件，再也不能忽视备份了，可怜我那做了一个月的网站，没有一点备份
" Configuration file for vim
set modelines=0 " CVE-2007-2438
" Normally we use vim-extensions. If you want true vi-compatibility
" remove change the following statements
set nocompatible " Use Vim defaults instead of 100% vi compatibility
set backspace=2 " more powerful backspacing
syntax on
"语法高亮
"autocmd InsertLeave * se nocul
"autocmd InsertEnter * se cul
set cursorline
set cursorcolumn
"用浅色高亮当前行
set completeopt=longest,menu
"设置自动补全
set smartindent
"智能对齐
set autoindent
"自动对齐
set confirm
"在处理未保存或只读文件的时候，弹出确认
set tabstop=4
"Tab键的宽度
set softtabstop=4
set shiftwidth=4
"统一缩进为4
set noexpandtab
"不要用空格代替制表符
set number
"显示行号
set history=50
"历史记录数
set hlsearch
set incsearch
"搜索逐字符高亮
set gdefault
"行内替换
set encoding=utf-8
set fileencodings=utf-8,ucs-bom,shift-jis,gb18030,gbk,gb2312,cp936,utf-16,big5,euc-jp,latin1
"编码设置
colorscheme torte
"设置颜色主题
"set guifont=Menlo:h16:cANSI
"设置字体
set langmenu=zn_CN.UTF-8
set helplang=cn
"语言设置
set cmdheight=2
"命令行（在状态行）的高度，默认为1，这里是2
set ruler
"在编辑过程中，在右下角显示光标位置的状态行
set laststatus=2
"总是显示状态行
set showcmd
"在状态行显示目前所执行的命令，未完成的指令片段亦会显示出来
set scrolloff=3
"光标移动到buffer的顶部和底部时保持3行距离
set showmatch
"高亮显示对应的括号
set matchtime=5
"对应括号高亮的时间（单位是十分之一秒）
set autowrite
"再切换buffer时自动保存当前文件
set wildmenu
"增强模式中的命令行自动完成操作
set linespace=2
"字符间插入的像素行数目
set whichwrap=b,s,<,>,[,]
"开启Normal或Visual模式下Backspace键，空格键，左方向键，右方向键，Insert或replace模式下左方向键，右方向键跳行的功能。
filetype plugin indent on
"分为三部分命令：file on, file plugin on, file indent on.分别表示自动识别文件类型，用文件类型脚本，使用缩进定义文件。
" configure tags - add additional tags here or comment out not-used ones
set tags+=~/.vim/tags/cpp
" OmniCppComplete
let OmniCpp_NamespaceSearch = 2 " search namespaces in this and included files
let OmniCpp_DisplayMode=1
let OmniCpp_GlobalScopeSearch = 1
let OmniCpp_ShowAccess = 1
let OmniCpp_SelectFirstItem = 2 " select first item (but don't insert)
let OmniCpp_ShowPrototypeInAbbr = 1 " show function parameters
let OmniCpp_MayCompleteDot = 1 " autocomplete after .
let OmniCpp_MayCompleteArrow = 1 " autocomplete after ->
let OmniCpp_MayCompleteScope = 1 " autocomplete after ::
let OmniCpp_DefaultNamespaces = ["std", "_GLIBCXX_STD"]
" automatically open and close the popup menu / preview window
au CursorMovedI,InsertLeave * if pumvisible() == 0|silent! pclose|endif
set completeopt=menuone,menu,longest,preview
" Don't write backup file if vim is being called by "crontab -e"
au BufWrite /private/tmp/crontab.* set nowritebackup nobackup
" Don't write backup file if vim is being called by "chpass"
au BufWrite /private/etc/pw.* set nowritebackup nobackup