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Access-Control-Allow-Origin error sending a jQuery Post to Google API's

...it was not cross domain but the same domain. I just added this line to the php file which was handling the ajax request. <?php header('Access-Control-Allow-Origin: *'); ?> It worked like a charm. Thanks to the poster ...
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When to use static vs instantiated classes

PHP is my first programming language. I can't quite wrap my head around when to use static classes vs instantiated objects. ...
https://www.tsingfun.com/it/cpp/2568.html 

【解决】标准库std::min/std::max 与 Windows.h中的宏 min/max 冲突问题 - ...

...解决】标准库std::min/std::max 与 Windows.h中的宏 min/max 冲突问题在包含了Windows h的 C++ 源代码中使用std::min std::max会出现错误。int main(){ int x = std::max(0, 1); int y = std::min(-1, 0);}error C2589: & 在包含了 Windows.h 的 C++ 源代码中使用 std::...
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How to force a web browser NOT to cache images

... I use PHP's file modified time function, for example: echo <img src='Images/image.png?" . filemtime('Images/image.png') . "' />"; If you change the image then the new image is used rather than the cached one, due to havi...
https://www.tsingfun.com/it/bigdata_ai/634.html 

淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...直到有一天,我们碰到了传统的关系型数据库无法解决的问题——全属性选择器(如图5所示)。 图5 全属性选择器 这是一个非常典型的例子。为了说明问题,我们仍然以关系型数据库的思路来描述。对于笔记本电脑这个类...
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MFC中使用CSplitterWnd分割窗口后视图大小的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

MFC中使用CSplitterWnd分割窗口后视图大小的问题使用CSplitterWnd对框架窗口进行分割之后需要根据需求设置每个分割窗口的大小,但是在通过createView(...)设置大小时,往往起不到想要的结...使用CSplitterWnd对框架窗口进行分割之后需要...
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How can I measure the speed of code written in PHP? [closed]

...ow three of those : Webgrind ; web interface ; should work on any Apache+PHP server WinCacheGrind ; only on windows KCacheGrind ; probably only Linux and linux-like ; That's the one I prefer, btw To get profiling files, you have to install and configure Xdebug ; take a look at the Profiling PHP...
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How can we match a^n b^n with Java regex?

...their own in the future. The language used to develop the solution will be PHP for its conciseness. The final test once the pattern is finalized will be done in Java. Step 1: Lookahead for assertion Let's start with a simpler problem: we want to match a+ at the beginning of a string, but only if it...
https://www.tsingfun.com/it/tech/1601.html 

LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...这里出现了404的错误,为什么结果还都通过了。出现这样问题的原因是脚本有些页面的请求内容并非关键点,比如可能请求先前的cookie信息,如果没有就重新获取,所以不会影响最终的测试结果。 图1- 6 HTTP响应摘要 常用的HTT...
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从网购到火车票,对比淘宝12306网为何如此烂? - 大数据 & AI - 清泛网 - ...

...到让人“一票难求”的订票网站-12306。12306网站购票难的问题几乎成了所有人的共识。来自前支付宝架构师冯大辉(@Fenng)的这条微博翻出12306这笔账,别有一番滋味。 以冯大辉的计算方法,支付宝11月11日一天就处理了1亿零580万...