我最近删除了MAMP.
当我尝试从终端启动apache时:
sudo apachectl -k restart
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我收到了消息
Warning: DocumentRoot [usr/docs/dummy-host.example.com] does not exist.
Run Code Online (Sandbox Code Playgroud) 我有以下提交按钮:
<input type="submit" name="submit" value="Send" class="mybutton" />
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当我使用以下代码时
$(document).ready(function(){
$("#submit").submit(function(){
event.preventDefault();
console.log('test');
}
});
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我的页面在Firefox中令人耳目一新,但不是Chrome.谁能指出我正确的方向?
我想使用提交按钮进行jQuery .ajax调用(不是常规表单提交)
我有一个javascript对象:
data = { color: red, day: monday, list: {1,2,3,4,5,6}}
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我使用jQuery将其传递给coldfusion页面:
$.ajax({
type: "POST",
url: "ajax_myPage.cfm",
data: JSON.stringify(data),
contentType: "application/json",
dataType: "json" });
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这是我的cfdump:

("列表"实际上将包含电子邮件列表,但我现在只测试一个地址)
在coldfusion中,我试图将每个"部分"分配给变量:
<cfset requestBody = toString( getHttpRequestData().content ) />
<!--- Double-check to make sure it's a JSON value. --->
<cfif !isJSON( requestBody )>
<!--- Echo back POST data. --->
<h3>The URL you requested does not provide valid JSON</h3>
<cfdump
var="#requestBody#"
label="HTTP Body"
/>
<cfelse>
<cfset cfData=DeserializeJSON(requestBody)>
<cfset color = cfData.color>
<cfset day = cfData.day>
<cfset myList …Run Code Online (Sandbox Code Playgroud) Actionscript中对象和字典之间究竟有什么区别?
var obj:Object = new Object();
obj.something = "something";
var dict:Dictionary = new Dictionary();
dict.something = "something";
trace(obj.something, dict.something);
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跟踪声明似乎相同......
如何删除颜色转换?(如果说,我想恢复原来的颜色):
我尝试了null,但这给了我一个null错误:
my-movieclip-name.transform.colorTransform = null;
Run Code Online (Sandbox Code Playgroud) 我正在学习Objective-C并尝试一些示例代码.我收到以下错误消息:
unrecognized selector sent to class
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这是我的代码.
Basics.m
#import <Foundation/Foundation.h>
#import "Fraction.h"
int main (int argc, char *argv[])
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
Fraction *myFraction;
// Create an instance of a Fraction
myFraction = [Fraction alloc];
myFraction = [Fraction init];
// set Fraction to 1/3
[myFraction setNumerator: 1];
[myFraction setDenominator: 3];
// Display the value using the print method
NSLog(@"The value of myFraction is:");
[myFraction print];
[myFraction release];
[pool drain];
return 0;
}
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Fraction.h
#import <Foundation/Foundation.h>
// -- …Run Code Online (Sandbox Code Playgroud) 我试图使用以下代码进行分页,但没有运气:
$page = (get_query_var('paged')) ? get_query_var('paged') : 1;
$args = array(
'cat' => '5',
'post_type' => 'post',
'posts_per_page' => 6,
'paged' => $page,
);
query_posts($args);
while(have_posts()) {
the_post(); ?>
<div class="project_item">
<div class="dotted">
<hr />
</div>
<div class="project_thumb"><a href="<?php echo get_permalink(); ?>"><img src="<?php getCustomField('news_thumbnail'); ?>" /></a></div>
<div class="project_entry"><h4><a href="<?php echo get_permalink(); ?>"><?php getCustomField('news_title'); ?></a></h4>
<?php getCustomField('news_excerpt'); ?>
<a href="<?php echo get_permalink(); ?>" class="readmore">Read more..</a>
</div>
</div>
<?php }
wp_reset_query(); // Restore global post data
Run Code Online (Sandbox Code Playgroud) 如何在文档类的舞台上获取所有子项(Sprite)的列表或者如何获得父项(Sprite)的所有子项(Sprite)的列表(长度)?
我的输入和textarea字段在聚焦时会出现一种颜色:

这似乎发生在Chrome中,但不是Firefox.
我试图用一些jQuery改变颜色:
if ($('body').is('#contact')) {
$('input').focus(function() {
$(this).css('border', '2px solid #ce1443');
console.log('focus');
});
$('textarea').focus(function() {
$('textarea').css('border', '2px solid #ce1443');
});
}
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然而,这似乎只会使当前边界更大......但它没有消除蓝色.
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