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Invalid argument supplied for foreach()
... This is the only thing that worked for me. For some reason, PHP didn't believe that the multidimensional array I built was actually an array of arrays.
– Justin
Jul 29 '15 at 20:21
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How do I send a cross-domain POST request via JavaScript?
...u accomplish the cross domain POST from from.com/1.html to to.com/postHere.php (using PHP as an example). Note: you only need to set Access-Control-Allow-Origin for NON OPTIONS requests - this example always sets all headers for a smaller code snippet.
In postHere.php setup the following:
switch ...
How to make MySQL handle UTF-8 properly
...r should be in UTF-8 (see my.cnf). remember any languages you use (such as PHP) must be UTF-8 as well. Some versions of PHP will use their own MySQL client library, which may not be UTF-8 aware.
If you do want to migrate existing data remember to backup first! Lots of weird choping of data can hap...
糯米推全景地图 让竞争对手们如何接招？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...尾巴，创业的热情还异常火爆。那时，我就思考这样一个问题：O2O，尤其是餐饮类O2O，可以凭借一时的补贴吸引顾客，但补贴之后呢？信任感才是最重要的。如何建立信任感，将是O2O未来面临的一大挑战。
2015年7月，正值厨师...
国务院常务会议“大数据” - 资讯 - 清泛网 - 专注C/C++及内核技术
...策措施中还存在工作不协调、落实不到位、工作进度慢等问题，也存在欺上瞒下、弄虚作假和工作不作为等现象。
除了削权放权以外，国务院常务会议随后在简政放权的配套改革和监管方面也做出了部署。例如，本月15日的国...
ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...系统得到默认的调试输出很容易，但是这些输出对于定位问题尤其是bugs没有太大作用。
本文旨在告诉读者如何生成有用的调试信息，通过这些信息可以直接判断出操作系统的运行状态。
几种调试方法
调试ros的方法有很多，...
PHP DOMDocument loadHTML not encoding UTF-8 correctly
...loadHTML('<?xml encoding="utf-8" ?>' . $content); fixed it for me in PHP7 (so it is still an issue) - this is a really annoying problem, because I defined utf8 in the HTML document (with <meta charset="UTF-8" />) but that has no effect, it seems to need the <?xml part, which is totall...
JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements
...instead of its value, which is actually what I wanted to do (in fact in my php code I need that value as a foreign key for querying my cities table and filter correct entries).
So, instead of:
var data = {
'mode': 'filter_city',
'id_A': e[e.selectedIndex]
};
it should be:
var da...
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...
Can someone explain the dollar sign in Javascript?
... someone just put a dollar sign at the start for fun - perhaps they were a PHP programmer who did it out of habit, or something. In PHP, all variable names must have a dollar sign in front of them.
There is another common meaning for a dollar sign in an interpreter nowadays: the jQuery object, who...