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How to send data to local clipboard from a remote SSH session
Borderline ServerFault question, but I'm programming some shell scripts, so I'm trying here first :)
11 Answers
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How can I sanitize user input with PHP?
...is a built-in FILTER_VALIDATE_EMAIL type
My own filter class (uses JavaScript to highlight faulty fields) can be initiated by either an ajax request or normal form post. (see the example below)
/**
* Pork.FormValidator
* Validates arrays or properties by setting up simple arrays.
* Not...
Detect iPad Mini in HTML5
Apple's iPad Mini is a smaller clone of the iPad 2 in more ways than we'd want. In JavaScript, the window.navigator object exposes the same values for the Mini and iPad 2. My tests so far to detect the difference have not lead to success.
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How are ssl certificates verified?
...ted certificate authority.
The certificate contains the domain name and/or ip address of the web server. Your web browser confirms with the certificate authority that the address listed in the certificate is the one to which it has an open connection.
Your web browser generates a shared symmetric k...
UDP vs TCP, how much faster is it? [closed]
...dges a set of packets, calculated by using the TCP window size and round-trip time (RTT).
For more information, I recommend the simple, but very comprehensible Skullbox explanation (TCP vs. UDP)
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Cookies vs. sessions
...omes invalid. If it was all based on cookies, a user (or hacker) could manipulate their cookie data and then play requests to your site.
Edit: I don't think there is any advantage to using cookies, other than simplicity. Look at it this way... Does the user have any reason to know their ID#? Ty...
Master-master vs master-slave database architecture?
... this is that it is very hard to preserve absolute consistency. See the wikipedia article for more.
Wikipedia seems to have a nice summary of the advantages and disadvantages
Advantages
If one master fails, other masters will continue to update the
database.
Masters can be located ...
403 Forbidden vs 401 Unauthorized HTTP responses
...as. I typically use this status code for resources that are locked down by IP address ranges or files in my webroot that I don't want direct access to (i.e. a script must serve them).
– Kyle
May 9 '13 at 13:20
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让Google Chrome崩溃？只需16个字节！ - 创意 - 清泛网 - 专注C/C++及内核技术
...）给折腾到崩溃。
如果你感到好奇，不妨试着在 Chrome 地址栏输入“http://a/%%30%30”。
更糟糕的是，如果上面这串字符属于某个超链接的一部分，当你将鼠标放上去的时候，Chrome 也会挂掉当前页面、并报出“Aw，Snap！”的错...
C++形参与实参的区别（实例解析） - C/C++ - 清泛网 - 专注C/C++及内核技术
...*y=&b); x跟y2个形参是a跟b的指针，也就是实参数据存放的地址。然后函数里交换了x跟y指向的数据，也就是实参a跟b，所以，交换也是成功的。
代码运行的结果，exchg1没有交换a,b值；exchg2交换了a,b值，到了exchg，a,b的值似乎没有...