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Serializing PHP object to JSON
...ata->getJsonData());. In essence, implement the function from 5.4, but call it by hand.
Something like this would work, as get_object_vars() is called from inside the class, having access to private/protected variables:
function getJsonData(){
$var = get_object_vars($this);
foreach ($va...
Check whether an array is empty [duplicate]
...pty($errors)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in your particular case empty() construct will always return true if there is at least one element even with "empty" value.
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How do I obtain crash-data from my Android application?
...n? At least when working on my own device being retrieved by cable, but ideally from any instance of my application running on the wild so that I can improve it and make it more solid.
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Gradients in Internet Explorer 9
...soft.com/testdrive/Graphics/CSSGradientBackgroundMaker/Default.html
Note: all of these browsers also support rgb/rgba in place of hexadecimal notation.
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deque iterator not dereferencable 问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
deque iterator not dereferencable 问题STL里面出现这个问题，纠结了半天，不知道什么原因。当然deque iterator not dereferencable。这个是deque出问题，vector、list也可以出...STL里面出现这个问题，纠结了半天，不知道什么原因。
当然deque iterat...
怎么解决MQTT连接掉线，自动连接问题，同时解决，反复断开连接，断开连接问...
解决MQTT退出后台后掉线自动连接问题，现在可以实现自动连接，但是在返回控制界面的时候，反复断开反复链接，还有切换页面的时候返回也是同样的问题，还有连接一个服务器，需要每个页面单独设置MQTT连接吗，是不是可以...
File Upload without Form
... using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'.
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TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...些事儿（上）TCP是一个巨复杂的协议，因为他要解决很多问题，而这些问题又带出了很多子问题和阴暗面。所以学习TCP本身是个比较痛苦的过程，但对于学习的...
TCP是一个巨复杂的协议，因为他要解决很多问题，而这些问题又...
Traits vs. interfaces
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Except that traits are not interfaces at all. Interfaces are specification that can be checked against. Traits cannot be checked against, hence they are implementation only. They are the exact opposite of interfaces. That line in the RFC is simply wrong...
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Do AJAX requests retain PHP Session info?
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What you're really getting at is: are cookies sent to with the AJAX request? Assuming the AJAX request is to the same domain (or within the domain constraints of the cookie), the answer is yes. So AJAX requests back to the same server do ...