codeachange’s gists

codeachange / pptpd_installer.sh

Last active December 17, 2015 20:28

	#!/bin/bash

	# CentOS release 6.4
	# https://www.digitalocean.com/community/articles/how-to-setup-your-own-vpn-with-pptp

	# rpm --import http://poptop.sourceforge.net/yum/RPM-GPG-KEY-PPTP
	# rpm -i http://poptop.sourceforge.net/yum/stable/rhel6/pptp-release-current.noarch.rpm
	# centos 6.5 use epel instead
	# http://mirrors.hustunique.com/epel/6/i386/repoview/epel-release.html
	rpm -Uvh http://mirrors.hustunique.com/epel/6/i386/epel-release-6-8.noarch.rpm

codeachange / mysql_backup_script.sh

Last active December 17, 2015 20:28

	#!/bin/bash

	# MySQL Server Info
	MyUSER="root"
	MyPASS="passwd"
	MyHOST="localhost"

	# Linux bin paths, change this if it can not be autodetected via which command
	MYSQL="$(which mysql)"
	MYSQLDUMP="$(which mysqldump)"

codeachange / php cut html text maintaining html tags and support utf-8 character

Created July 6, 2013 10:09

	function html_cut($text, $max_length){
	$tags = array();
	$result = "";

	$is_open = false;
	$grab_open = false;
	$is_close = false;
	$in_double_quotes = false;
	$in_single_quotes = false;
	$tag = "";

codeachange / directory_backup_script.sh

Created August 15, 2013 07:38

shell script to backup a directory

	#!/bin/bash

	# This file must be put in the same directory of TargetDir
	# Because using relative path to avoid tar warning:
	# tar: Removing leading `/' from member names

	TargetDir="html"

	DestDir="/var/www/backup/dir"

codeachange / jquery.dragResize.js

Created September 17, 2013 05:35

drag the handler, resize the element before and after it

	(function($){
	$.fn.dragResize = function(handler, lefter, righter){
	handler = $(handler);
	lefter = $(lefter);
	righter = $(righter);

	var dragging = false, oldX = 0;
	handler.mousedown(function(e){
	dragging = true;
	oldX = e.pageX;

codeachange / js_keyboard.js

Created September 30, 2013 06:32

屏幕键盘未完成版

	// 屏幕键盘
	$(".keyhd").mousedown(function(){
	$(this).addClass("active");
	}).mouseup(function(){
	var keyvalue = $(this).text();
	var target = current_input_target.get(0);
	if(target){
	if(/^[0-9a-zA-Z]$/.test(keyvalue)){
	insertAtCursor(target,keyvalue);
	}else{

codeachange / MessageChannel Example.js

Last active April 8, 2022 19:09

HTML5 MessageChannel Example: Communicate between Web Workers Using MessageChannel


	// Test Example, include three files: main.html, worker1.js, worker2.js
	// We are going to post a message to worker2 through worker1

	// main.html
	var w1 = new Worker('worker1.js');
	var w2 = new Worker('worker2.js');

	// creat a channel, give the ports to the workers
	var mc = new MessageChannel();

codeachange / pagination.php

Created November 13, 2013 06:51

分页函数，输出结果兼容bootstrap pagination样式

	function paginate($baseurl,$total,$perpage,$curpage,$numlinks=10){
	$return = '<div class="pagination"><ul>';
	$pages = ceil($total/$perpage);

	// 如果当前页大于总页数或小于1，则设置当前页为第一页
	$curpage = ($curpage > $pages \|\| $curpage < 1) ? 1 : $curpage;

	if($pages > 0){
	// 首页上一页
	if($curpage != 1){

codeachange / jquery.dblkeydown.js

Created December 11, 2013 15:50

jQuery double keydown plugin, detect double keydown(same key pressed twice) event

	(function($){
	$.fn.dblkeydown = function(keyCode, callback){
	return $(this).keydown(function(e){
	if (e.which == keyCode) {
	var lastTime = $(this).data('dblkeydown_' + keyCode);
	var curTime = new Date().getTime();
	if (lastTime && (curTime - lastTime < $.fn.dblkeydown.maxInterval)) {
	$(this).data('dblkeydown_' + keyCode, null);
	callback.call(this);
	}else{

codeachange / bat_code.bat

Created January 22, 2014 07:48

usefull bat code


	添加开机启动任务计划
	@echo off

	schtasks /create /tn "chaxunji" /tr "C:/ChaXunJi/清空打印任务启动查询机.exe" /sc onlogon

	@echo "设置成功，按任意键退出。"

	pause

noname codeachange