我知道有些选择器比其他选择器更快,当然我们自己的方法可以更快或更慢.
是否有任何软件/应用程序可以分析CPU使用情况,甚至可以比较/基准测试版本?
在我的javascript代码中,在某些时候,我需要刷新窗口(用户已经上传了新图像,但在页面中仍然可以看到它)
我想知道为什么
location.href = location.href
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没有刷新窗户?
假设我想绑定所有项目
#mainDiv .user
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除了
#mainDiv #exception .user
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我能想到
$('#mainDiv .user').bind('event',function(){
if($(this).parents('#exception').length>0){}else{
// do stuff;
}
});
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要么:
$('#mainDiv :not('#exception').find('.user').bind('event',function(){
if($(this).parents('#exception').length>0){}else{
// do stuff;
}
});
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什么是更好的?
或者至少这是pingdom所说的,我认为这是一项非常可靠的服务,
笔记:
htaccess的:
#Gzip
<ifmodule mod_deflate.c>
AddOutputFilterByType DEFLATE text/text text/html text/plain text/xml text/css application/x- javascript application/javascript
</ifmodule>
#End Gzip
# 480 weeks
<FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|css|swf)$">
Header set Cache-Control "max-age=290304000, public"
</FilesMatch>
# 1 weeks
<FilesMatch "\.(js)$">
Header set Cache-Control "max-age=604800, public"
</FilesMatch>
RewriteEngine On
ErrorDocument 500 /oohps.php
ErrorDocument 404 /where.php
RewriteCond %{HTTP_HOST} ^www.keepyourlinks.com [NC]
RewriteRule ^(.*)$ http://keepyourlinks.com/$1 [L,R=301]
RewriteCond %{HTTP_HOST} ^www.keepyourlinks.byethost32.com [NC]
RewriteRule ^(.*)$ http://keepyourlinks.com/$1 [L,R=301]
RewriteCond %{HTTP_HOST} ^keepyourlinks.byethost32.com [NC]
RewriteRule ^(.*)$ http://keepyourlinks.com/$1 [L,R=301]
RewriteCond %{HTTP_HOST} ^keepyourlinks.com/pre/ …Run Code Online (Sandbox Code Playgroud)自从我看到Treahouse网站和树上的标志效应摆动以来,我一直在努力重现它.
.box{
width:50px; height:50px;
background: blue;
box-shadow: 0 0 5px blue;
margin:100px;
float: left;
-moz-animation: 3s ease 0s normal none infinite swing;
-moz-transform-origin: center top;
}
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但它不会摇摆.
这是JS Fiddle的演示.
我也试过修改它.
bod{
background:blue;
}
.box{
width:50px; height:50px;
background: yellow;
box-shadow: 0 0 10px red,0 0 25px red inset;
margin:100px;
float: left;
-moz-animation: 3s ease 0s normal none infinite swing;
-moz-transform-origin: center top;
border-radius:50%;
}
@-webkit-keyframes swing {
from {
left: -2px;
}
to {
left: 200px;
} …Run Code Online (Sandbox Code Playgroud) 我生成画布并将其传递给php所以:
$('body').on('click','#save_image',function(){
html2canvas($('.myImage'), {
onrendered: function(canvas) {
//$('.imageHolder').html(canvas);
var dataURL = canvas.toDataURL("image/png");
// $('.imageHolder').append('<img src="'+dataURL+'" />');
$('.imageHolder').html('Generating..');
$.post('image.php',{image: dataURL},function(data){
$('.imageHolder').html(data);
});
}
});
});
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image.php:
<?
$image = $_POST['image'];
echo "<img src='$image' alt='image' />";
$decoded = str_replace('data:image/png;base64,','',$image);
$name = time();
file_put_contents("/home/toni005/public_html/toniweb.us/div2img/" . $name . ".png", $decoded);
echo '<p><a href="download.php?img='.$name.'.png">Download</a></p>';
?>
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的download.php:
<? $file = $_GET['img'];
header('Content-Description: File Transfer');
header("Content-type: image/jpg");
header("Content-disposition: attachment; filename= ".$file."");
readfile($file);
?>
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问题是生成图像,当我点击下载链接时,下载被伪造但图像无法打开(似乎已损坏)
我错过了什么?
它可以在这里测试:http://toniweb.us/div2img/
这是我如何使用opencart中的Mail()类发送电子邮件:
$mail = new Mail();
$mail->protocol = $this->config->get('config_mail_protocol');
$mail->parameter = $this->config->get('config_mail_parameter');
$mail->hostname = $this->config->get('config_smtp_host');
$mail->username = $this->config->get('config_smtp_username');
$mail->password = $this->config->get('config_smtp_password');
$mail->port = $this->config->get('config_smtp_port');
$mail->timeout = $this->config->get('config_smtp_timeout');
//$mail->setTo($this->config->get('config_email'));
//$mail->setFrom($this->request->post['email']);
$mail->setTo('test1@test.com');
$mail->setFrom('test@test.com');
$mail->setSender($this->request->post['name']);
$mail->setSubject(html_entity_decode('La reserva de tu alquiler ha sido correcta', ENT_QUOTES, 'UTF-8'));
$mailText = '
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<div class="confirmacion">
<h1>Su reseva se ha realizado correctamente</h1>
<p> El pago del alquiler se hará en su …Run Code Online (Sandbox Code Playgroud) Codeigniter有一个功能, base_url()
<?php echo base_url('/file')?>
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打印绝对URL,
Opencart有没有相应的东西?
我做了一个简单的chrome扩展:
manifest.json的:
{
"name": "Layout VS Design",
"version": "1",
"description": "Enter the url of a image with your design at 100%",
"background_page": "index.html",
"browser_action": {
"name": "Manipulate DOM",
"icons": ["icon.png"],
"default_icon": "icon.png"
},
"content_scripts": [ {
"js": [ "jquery.min.js", "js.js" ],
"matches": [ "http://*/*", "https://*/*"]
}]
}
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问题是chrome不会让我安装它:

问题是我不知道在哪里设置这个数字,不知道我能尝试什么?
我正在使用带有 Divi 主题的 WordPress,
有这样的代码:
function et_divi_fonts_url() {
$fonts_url = '';
/* Translators: If there are characters in your language that are not
* supported by Open Sans, translate this to 'off'. Do not translate
* into your own language.
*/
$open_sans = _x( 'on', 'Open Sans font: on or off', 'Divi' );
if ( 'off' !== $open_sans ) {
$font_families = array();
if ( 'off' !== $open_sans )
$font_families[] = 'Open+Sans:300italic,400italic,700italic,800italic,400,300,700,800';
$protocol = is_ssl() ? 'https' : 'http';
$query_args …Run Code Online (Sandbox Code Playgroud) php ×4
jquery ×3
opencart ×2
apache ×1
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base64 ×1
benchmarking ×1
css ×1
css3 ×1
email ×1
events ×1
html ×1
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wordpress ×1