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find /home/wwwroot/ -type f -print0 | xargs -0 sed -i 's/string/replacement/g'

或

find /home/wwwroot/ -type f -exec sed -i 's/string/replacement/g' {} \;

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// ==UserScript==
// @name		Enable Copy
// @description		Allow you copy-paste action on "copy-protected" website
// @version			1.2
// ==/UserScript==
setInterval("document.oncontextmenu=null;document.contextmenu=null;document.ondragstart=null;document.onkeydown=null;document.onmousedown=null;document.onmousemove=null;document.onmouseup=null;document.onselectstart=null;document.selectstart=null;window.oncopy=null;document.oncopy=null;document.body.oncopy=null;document.body.onselect=null;document.body.onbeforecopy=null;document.body.contextmenu=null;document.body.oncontextmenu=null;document.body.ondragstart=null;document.body.onkeydown=null;document.body.onmousedown=null;document.body.onmousemove=null;document.body.onmouseup=null;document.body.selectstart=null;document.body.onselectstart=null;window.contextmenu=null;window.oncontextmenu=null;window.ondragstart=null;window.onkeydown=null;window.onmousedown=null;window.onmousemove=null;window.onmouseup=null;window.selectstart=null;window.onselectstart=null;window

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/**
 * browser sinffing
 * http://james.padolsey.com/javascript/detect-ie-in-js-using-conditional-comments/
 */
(function(){

	var ie = (function(){
		var undef,
			v = 3,
			div = document.createElement('div'),

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/*检测浏览器语言*/
function get_client_language($availableLanguages, $default='en'){
 
  if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
 
		$langs=explode(',',$_SERVER['HTTP_ACCEPT_LANGUAGE']);
 
		//start going through each one
		foreach ($langs as $value){
 

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##MySQL数据库SQL(Structured Query Language)结构化查询语言常用基本操作：
/*DDL(Data Definition Language)数据定义语言*/
  ##创建数据库：
	create database '数据库名称' charset utf8;
	##删除数据库：
	drop database '数据库名称';
	##显示所有数据库：
	show databases;
	##使用数据库
	use '数据库名称';

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curl -A "Mozilla" "http://translate.google.com/translate_tts?tl=en&q=hello+world" > hello.mp3

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#!/usr/bin/env python
# Knuth-Morris-Pratt demonstration
# Kyle Gorman <kgorman@ling.upenn.edu>
#
# A naive Python implementation of a function that returns the (first) index of
# a sequence in a supersequence is the following:

def subsequence(needle, haystack):
    """
    Naive subsequence indexer; None if not found

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#! /usr/bin/env python
# -*- coding: utf-8 -*-

import os
import re
import time
import email
import poplib
import imaplib
import cStringIO

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// created by zhanglei http://www.love4026.org  at 2011-2-23
var img=document.getElementsByTagName('img');function getElementsByClassName(strClassName){var arrElements=document.all?document.all:document.getElementsByTagName('*');var arrReturnElements=new Array();strClassName=strClassName.replace(/\-/g,"\\-");var oRegExp=new RegExp("(^|\\s)"+strClassName+"(\\s|$)");for(var i=0;i<arrElements.length;i++){if(oRegExp.test(arrElements[i].className)){arrReturnElements.push(arrElements[i]);}}return(arrReturnElements)}function getFloat(el){if(!window.getComputedStyle||!document.defaultView){if(el.getAttribute('align')=='left'||el.getAttribute('align')=='right')var y=el.getAttribute('align');else var y=el.currentStyle['styleFloat'];}else var y=document.defaultView.getComputedStyle(el,null).getPropertyValue('float');return y;}for(var i=0;i<img.length;i++){if(img[i].height>100&&img[i].width>100){var innerhtml=document.createElement('div');innerhtml.innerHTML='<span>Get a Quote</span>';innerhtml.className="imgHoverBtn";va

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#!/usr/bin/env python


import SocketServer
from threading import Thread

class service(SocketServer.BaseRequestHandler):
    def handle(self):
        data = 'dummy'
        print "Client connected with ", self.client_address