<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Esc80的专栏]]></title><description><![CDATA[拿来主义：态度->思想->方法->行动->风向标]]></description><link>https://blog.youkuaiyun.com/anlukun</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; anlukun]]></copyright><item><title><![CDATA[网站Nginx服务安装https免费证书配置一条龙流程]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/128456820</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/128456820</guid><author>anlukun</author><pubDate>Tue, 27 Dec 2022 15:38:15 +0800</pubDate><description><![CDATA[Let’s Encrypt 安装https免费证书配置1.http 是一个传输网页内容的协议,比如你看到的 http 开头的网站CSS 、 JS 等文件都是通过 http 协议传输到我们的浏览器，然后被我们看到。而 https 可以理解为“ HTTP over SSL/TLS ”,好端端的 http 为什么需要“ over SSL/TLS ”呢，因为 http 是明文传输的,通过http 协议传输的内容很容易被偷看和篡改,为了安全（你肯定不想被人偷看或者篡改网页内容吧，比如网站银行密码什么的。]]></description><category></category></item><item><title><![CDATA[js弹窗层]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/40114259</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/40114259</guid><author>anlukun</author><pubDate>Wed, 15 Oct 2014 17:33:24 +0800</pubDate><description><![CDATA[jQuery弹出层效果




.black_overlay{
display: none;
position: absolute;
top: 0%;
left: 0%;
width: 100%;
height: 100%;
background-color: black;
z-index:1001;
-moz-opacity: 0.8;
opacity:.80;
]]></description><category></category></item><item><title><![CDATA[Memcache的使用和协议分析详解]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/13002499</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/13002499</guid><author>anlukun</author><pubDate>Thu, 24 Oct 2013 17:46:50 +0800</pubDate><description><![CDATA[转载自:   http://blog.youkuaiyun.com/heiyeshuwu/article/details/1380838]]></description><category></category></item><item><title><![CDATA[MySQL中的datetime与timestamp比较]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/12145697</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/12145697</guid><author>anlukun</author><pubDate>Sat, 28 Sep 2013 22:58:39 +0800</pubDate><description><![CDATA[相同

显示

TIMESTAMP列的显示格式与DATETIME列相同。换句话说，显示宽度固定在19字符，并且格式为YYYY-MM-DD HH:MM:SS。

不同

范围

datetime 以'YYYY-MM-DD HH:MM:SS'格式检索和显示DATETIME值。支持的范围为'1000-01-01 00:00:00'到'9999-12-31 23:59:59'TIMES]]></description><category></category></item><item><title><![CDATA[HTML5新的input类型]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9836373</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9836373</guid><author>anlukun</author><pubDate>Thu, 08 Aug 2013 15:48:39 +0800</pubDate><description><![CDATA[搜索框 
autofocus 自动获取焦点 required="required" 表示字段不能为空 placeholder 作为提示当输入内容，提示消失
-->]]></description><category></category></item><item><title><![CDATA[php 下载文件]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9833281</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9833281</guid><author>anlukun</author><pubDate>Thu, 08 Aug 2013 11:15:02 +0800</pubDate><description><![CDATA[header("Content-type:text/html;charset=utf-8"); 
// $file_name="cookie.jpg"; 
$file_name="1.jpg"; 
//用以解决中文不能显示出来的问题 
$file_name=iconv("utf-8","gb2312",$file_name); 
$file_sub_path=$_SERVER['DOCU]]></description><category></category></item><item><title><![CDATA[javascript用正则表达式过滤空格]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9768217</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9768217</guid><author>anlukun</author><pubDate>Mon, 05 Aug 2013 15:32:06 +0800</pubDate><description><![CDATA[// 删除左右两端的空格  
    function trim(str){   
         $a=str.replace(/(^\s*)|(\s*$)/g, "");  
        alert($a.length);
    //     alert(str.length);
    }  
  
    // 删除左边的空格  
    function ltri]]></description><category></category></item><item><title><![CDATA[jquery 二级联动]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9628501</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9628501</guid><author>anlukun</author><pubDate>Tue, 30 Jul 2013 15:20:20 +0800</pubDate><description><![CDATA[jQuery 二级联动


 
$(document).ready(function(){ 
$("#province").change(function(){ 
$("#province option").each(function(i,o){ 
if($(this).attr("selected")) 
{ 
$(".city").hide(); 
$(".city").e]]></description><category></category></item><item><title><![CDATA[鼠标点击文本框文字消失离开还原]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9569379</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9569379</guid><author>anlukun</author><pubDate>Sun, 28 Jul 2013 20:53:01 +0800</pubDate><description><![CDATA[方法(1) jquery




点击文本框，提示说明字消失！




$(document).ready(function(){
$("TEXTAREA,input[focucmsg]") .each (function(){
$(this).val($(this).attr("focucmsg"));
$(this).val($(this).attr("focucms]]></description><category></category></item><item><title><![CDATA[基于JQuery的JS遮罩层效果]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9495945</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9495945</guid><author>anlukun</author><pubDate>Fri, 26 Jul 2013 14:47:04 +0800</pubDate><description><![CDATA[基于JQuery的JS遮罩层效果

 
//显示灰色JS遮罩层 
function showBg(ct,content){ 
    var bH=$("body").height(); 
    var bW=$("body").width()+16; 
    var objWH=getObjWh(ct); 
    $("#fullbg").css({width:bW,hei]]></description><category></category></item><item><title><![CDATA[重要的]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9472115</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9472115</guid><author>anlukun</author><pubDate>Thu, 25 Jul 2013 18:27:10 +0800</pubDate><description><![CDATA[(1)css  的z-index 属性设置元素的堆叠顺序。拥有更高堆叠顺序的元素总是会处于堆叠顺序较低的元素的前面。
注释：元素可拥有负的 z-index 属性值。
注释：Z-index 仅能在定位元素上奏效（例如 position:absolute;)

该属性设置一个定位元素沿 z 轴的位置，z 轴定义为垂直延伸到显示区的轴。如果为正数，则离用户更近，为负数则表示离用户更远。]]></description><category></category></item><item><title><![CDATA[php 生成xml的方法]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9465029</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9465029</guid><author>anlukun</author><pubDate>Thu, 25 Jul 2013 10:21:33 +0800</pubDate><description><![CDATA[$xml = '';
xml($array);
echo $xml;
echo "\n";

function xml($arr)
{
 
global $xml;
  foreach($arr as $key=>$value)
  {
     if(is_array($value))
      {
      
 xml($value);
      }
  ]]></description><category></category></item><item><title><![CDATA[解决json_encode不支持中文问题]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9450641</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9450641</guid><author>anlukun</author><pubDate>Wed, 24 Jul 2013 14:33:12 +0800</pubDate><description><![CDATA[/**
* 解决json_encode不支持中文问题
*
* @Package 
* @Copyright (c) 1998-2012 All Rights Reserved
* @Author 
* @Version $Id$
*/
/**
* 对变量或者数据进行urlencode编码，使得在进行json_encode的时候进行编码的不是中文，防止json_encode失败
]]></description><category></category></item><item><title><![CDATA[列出对像属性，for(var i in obj)]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9425709</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9425709</guid><author>anlukun</author><pubDate>Tue, 23 Jul 2013 17:33:43 +0800</pubDate><description><![CDATA[列出对像属性，for(var i in obj)



?





function 
listProperties(obj, objName) {
    var
result = "";
    for
(var 
i in obj) {
        result += objName +
"." + i + "="
+ obj[i] + "\n";]]></description><category></category></item><item><title><![CDATA[MySQL 索引方式]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9411913</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9411913</guid><author>anlukun</author><pubDate>Mon, 22 Jul 2013 17:54:07 +0800</pubDate><description><![CDATA[MySQL 索引方式


mysql数据库引擎存储算法优化
本文配图来自《高性能MySQL(第二版)》。

在数据库中，对性能影响最大的几个策略包括数据库的锁策略、缓存策略、索引策略、存储策略、执行计划优化策略。
索引策略决定数据库快速定位数据的效率，存储策略决定数据持久化的效率。
MySQL中两大主要存储引擎MyISAM和InnoDB采用了不同的索引和存储策略，本文将分析它们的异]]></description><category></category></item><item><title><![CDATA[【转】jQuery.validator.addMethod实例]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9342813</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9342813</guid><author>anlukun</author><pubDate>Tue, 16 Jul 2013 14:48:09 +0800</pubDate><description><![CDATA[【转】jQuery.validator.addMethod实例


// 手机号码验证 
jQuery.validator.addMethod("mobile", function(value, element) { 
var length = value.length; 
var mobile = /^(((13[0-9]{1})|(15[0-9]{1}))+\d{8})$/ 
r]]></description><category></category></item><item><title><![CDATA[表单搜索时需要用到的javascript]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9197095</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9197095</guid><author>anlukun</author><pubDate>Fri, 28 Jun 2013 15:01:34 +0800</pubDate><description><![CDATA[//如果输入关键字给错误提示:正则匹配
点击确定后，表单的内容为空,自动聚焦点
 
function isValid(oField)
{
re =/select|update|delete|exec|count|'|"|=|;|>|
$sMsg = "请您不要在参数中输入特殊字符和关键字!";
if( re.test(oField.value))
{
alert( $sMsg )]]></description><category></category></item><item><title><![CDATA[那些花儿]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9196929</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9196929</guid><author>anlukun</author><pubDate>Fri, 28 Jun 2013 14:46:37 +0800</pubDate><description><![CDATA[那些花儿]]></description><category></category></item><item><title><![CDATA[mysql（网址）]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9151979</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9151979</guid><author>anlukun</author><pubDate>Sat, 22 Jun 2013 18:33:52 +0800</pubDate><description><![CDATA[http://tech.watchstor.com/management-115252.htm  mysq 数据引擎
http://mobile.51cto.com/iphone-388092.htm#585532-tqq-1-5588-a3e9a686e55f3c274cc3657df120d3bf  ios sqllite简介]]></description><category></category></item><item><title><![CDATA[linux基础知识]]></title><link>https://blog.youkuaiyun.com/anlukun/article/details/9133217</link><guid>https://blog.youkuaiyun.com/anlukun/article/details/9133217</guid><author>anlukun</author><pubDate>Thu, 20 Jun 2013 00:01:16 +0800</pubDate><description><![CDATA[1.操作系统控制硬件
linux就是一种操作系统，这个操作系统里面含有最主要的kernel以及kernel提供的工具
硬件是由核心来控制（核心就是kernel）
简单例子：苹果电脑装window系统一般是无法运行的,原因很简单，操作系统不一样，硬件设备不一样
服务器:
yahoo的www服务、一部linux服务器上面可以架设多个服务器软件
www服务器的apache软件、FTP服务器的]]></description><category></category></item></channel></rss>