在ColdFusion组件(CFC)中,是否有必要对变量范围的变量使用完全限定名称?
如果我改变这个,我会不会遇到麻烦:
<cfcomponent>
<cfset variables.foo = "a private instance variable">
<cffunction name = "doSomething">
<cfset var bar = "a function local variable">
<cfreturn "I have #variables.foo# and #bar#.">
</cffunction>
</cfcomponent>
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这个?
<cfcomponent>
<cfset foo = "a private instance variable">
<cffunction name = "doSomething">
<cfset var bar = "a function local variable">
<cfreturn "I have #foo# and #bar#.">
</cffunction>
</cfcomponent>
Run Code Online (Sandbox Code Playgroud) 嘿,我对ColdFusion和PHP的兼容性有疑问.
我们建立了一个基于ColdFusion的社区网站.是否可以在PHP中添加博客和其他社区功能等功能到我们的网站?
我的意思是将PHP和ColdFusion结合在一起.
非常感谢您的帮助!
我正在试图弄清楚如何用Javascript替换.我正在查看页面的整个主体,并希望替换HTML标记中的关键字匹配.
这是一个例子:
<body>
<span id="keyword">blah</span>
<div>
blah blah keyword blah<br />
whatever keyword whatever
</div>
</body>
<script type="text/javascript">
var replace_terms = {
'keyword':{'url':'http://en.wikipedia.org/','target':'_blank'}
}
jQuery.each(replace_terms, function(i, val) {
var re = new RegExp(i, "gi");
$('body').html(
$('body').html().replace(re, '<a href="'+ val['url'] +'" target="'+val['target']+'">' + i + '</a>')
);
});
</script>
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我想要替换不在HTML标记内的"关键字"的所有实例(在<和之间>).
我想我还需要忽略"关键字"是否在a script或style元素中.
我不小心提交了一个名为.svnSubversion存储库的文件夹.现在,当我尝试检出或更新时,我收到此错误消息:
svn:无法添加目录'oops/meetings/.svn':已经存在同名的无版本目录
我在下一次提交中删除了该目录,但这没有帮助.有任何想法吗?
假设我有带查询字符串的URL,即:
/DesignPatterns
使用mod_rewrite,我如何将它们重定向到:
/index.php?book=DesignPatterns
这是正确的以下?
RewriteCond %{QUERY_STRING} (\w+)
RewriteRule ^index.php?book=%1? [L,R=301]
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PS:原始问题:如何将查询字符串变量与mod_rewrite匹配?(2010年2月12日,Patrick McElhaney,我要求他的许可)
我正在ColdFusion中编写一个应用程序,尽管它基本上是稳定的,但它经常出错.因为它已经取代了旧的应用程序,有时候会出现错误的用户而不是我.
我创建了一个很好的页面,人们在收到向我发送信息的错误时会得到这个页面,例如错误,引用,错误在哪个页面,行号等.
我唯一看不到的就是提交表格数据,如果有的话.我事先不知道它错误的页面,所以我不能只输出'#form.field#'.
例如,如果:
form.abc = 1
form.def = 2
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如何在不事先知道的情况下从'form'获取变量名称和值?
另外,我在寻找一种存储在数据库中的数据,因为这是存储有关错误的其他信息的好方法,我真的不希望有把它在一封电子邮件给我.
在下面的网页中,图像和div之间存在几个像素的间隙.(我在Firefox 3和Safari 4中测试过.)
我怎样才能缩小差距?
body {
background-color: black;
}
img {
width: 250px;
height: 70px;
border: 0;
margin: 0;
padding: 0;
}
div {
background-color: white;
border: 0;
margin: 0;
padding: 0;
}Run Code Online (Sandbox Code Playgroud)
<html>
<head>
<title>Test Page</title>
</head>
<body>
<img alt="Stack Overflow Logo" src="data:image/png;base64,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">
<div>text</div>
</body>
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我希望每次保存时Visual Studio都能格式化我的源代码.我可以在Eclipse中做到这一点.可以在Visual Studio 2005中完成吗?
他们在一本书中向我展示了这个宣言:
friends = [ { first_name: "Emily", last_name: "Laskin" }, { first_name: "Nick", last_name: "Mauro" }, { first_name: "Mark", last_name: "Maxwell" } ]
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这看起来不像哈希.当我在IRB中输入它时,我得到一个错误.
这种格式是什么?
我正在寻找一种方法,以不同的方式将一些CSS应用于元素,具体取决于后面的内容.例如,使用此HTML:
<ul>
<li>
<span class="title">Some Title</span>
<span class="subtitle">With Some Subtitle</span>
</li>
<li>
<span class="title">Only a Title</span>
</li>
</ul>
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我想应用不同的规则,.title取决于是否有一个.subtitle.
我能弄清楚的最近的是相邻的兄弟选择器
.title + .subtitle { /* rules */ }
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但是这会将规则应用于.subtitle前面带有a 的元素.title.相反,我希望规则适用于.title带有.subtitle元素的元素.
注意:对于我目前的使用情况,浏览器广泛支持这一点并不重要.我唯一重要的目标是基于webkit.