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How to check if an email address exists without sending an email?
...here are two methods you can sometimes use to determine if a recipient actually exists:
You can connect to the server, and issue a VRFY command. Very few servers support this command, but it is intended for exactly this. If the server responds with a 2.0.0 DSN, the user exists.
VRFY user
You can...
Asynchronous shell exec in PHP
...e got a PHP script that needs to invoke a shell script but doesn't care at all about the output. The shell script makes a number of SOAP calls and is slow to complete, so I don't want to slow down the PHP request while it waits for a reply. In fact, the PHP request should be able to exit without ter...
C＋＋模板的特化 - C/C++ - 清泛网 - 专注C/C++及内核技术
...至于这里怎么都把T2搞没了变成只依赖一个模板参数T了的问题，大家别着急，我来告诉你个本质的东西，把我这么三点就可以了：1.模板参数个数一致；2.只要template <...>里面有东西不是<>，比如typename T，那么特化时就得用到T；3....
How to pass variable number of arguments to a PHP function
...o pass the function depends on the length of an array. Is there a way to call a PHP function with a variable number of arguments?
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How to pass parameters in GET requests with jQuery
...ng to handle error
}
});
And you can get the data by (if you are using PHP)
$_GET['ajaxid'] //gives 4
$_GET['UserID'] //gives you the sent userid
In aspx, I believe it is (might be wrong)
Request.QueryString["ajaxid"].ToString();
...
Sharing a URL with a query string on Twitter
...epending on the URL). Tweetdeck doesn't seem to handle twitter.com URLs at all.
– Pierre-Luc Paour
Oct 1 '12 at 14:47
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Executing injected by innerHTML after AJAX call
There's a div called "Content":
11 Answers
11
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Are unused CSS images downloaded?
... "unused" and thusly, any images won't be downloaded.
Chrome 26 (possibly all of them, not sure), does download CSS images if they are applied to the <noscript> element, even when JS is enabled. (It isn't immediately clear to me why though, perhaps this is a bug?).
It does not download CSS i...
PDB文件：每个开发人员都必须知道的 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...较简单，因为PDB和binay在相同的地方，通常地我们遇到的问题都是关于public build。
所有的的开发人员需要知道的最重要的事情是”PDB文件跟源代码同样的重要“， 没有PDB文件，你甚至不能debugging。对于public build，需要symbol serv...
Performance of FOR vs FOREACH in PHP
First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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