libo1106

function get_post_excerpt($post, $excerpt_length=240){
    if(!$post) $post = get_post();

    $post_excerpt = $post->post_excerpt;
    if($post_excerpt == ''){
        $post_content = $post->post_content;
        $post_content = do_shortcode($post_content);
        $post_content = wp_strip_all_tags( $post_content );

        $post_excerpt = mb_strimwidth($post_content,0,$excerpt_length,'…','utf-8');

libo1106

#!/usr/local/bin/php -q
<?php
error_reporting(E_ALL);

/* Allow the script to hang around waiting for connections. */
set_time_limit(0);

/* Turn on implicit output flushing so we see what we're getting
 * as it comes in. */
ob_implicit_flush();

libo1106

document.getElementById("rte").focus();
document.body.addEventListener("paste", function(e) {
    for (var i = 0; i < e.clipboardData.items.length; i++) {
        if (e.clipboardData.items[i].kind == "file" && e.clipboardData.items[i].type == "image/png") {
            // get the blob
            var imageFile = e.clipboardData.items[i].getAsFile();

            // read the blob as a data URL
            var fileReader = new FileReader();
            fileReader.onloadend = function(e) {

libo1106

/* lets try a lighter blue... */
html {
    -webkit-tap-highlight-color: rgba(201, 224, 253, 0.8);
}

/* for some buttons or links, simply hide the selection color all together */
.no-highlight {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

libo1106

function isUrl(s) {
    var regexp = /((http|https):\/\/)?[A-Za-z0-9\.-]{3,}\.[A-Za-z]{2}/;	
    return s.indexOf(' ') < 0 && regexp.test(s);
}

isUrl('http://baidu.com/')

libo1106

<?php
$proxy = stream_context_create(array(
  	'http' => array(
			'timeout' => 5,
			'proxy' => 'tcp://proxy.domain.com:8080',
			'request_fulluri' => True,
		)
));
$page = file_get_contents('http://www.baidu.com/', false, $proxy);
echo($page);

libo1106

// 判断是否IE
function isMSIE(){
	var match = /(msie) ([\w.]+)/.exec( navigator.userAgent.toLowerCase() );
	if(match !== null){
		return true;
	}else{
		return false;
	}
}

libo1106

<!-- 
高版本浏览器可以直接使用table-cell配合vertical-align来实现垂直居中。
IE6\7则需要多一个容器，调整定位来实现
-->

<style>
.wrap{
    width:500px;height:300px;border:3px solid #ddd;margin:0 auto;padding:20px;display:table;
    *position:relative;
}

libo1106

/*
 * background-attachment: fixed必须有，保证浏览器完整渲染背景图
 */
html {
  background: url(images/perfect-full-page-bg.jpg) no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

libo1106

Proxifier工具