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大数据时代的数据化运营 - 资讯 - 清泛网 - 专注C/C++及内核技术

...下,我们在运营中看到可以获得有效数据的原始数据不是问题,去除无效和虚假的数据才是关键。 相信做发行的同行都知道,在实践中,会遇到通过某些渠道或者是CPS,或者是广告渠道,他们一定会有大量的虚假的数据在里面...
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Link to “pin it” on pinterest without generating a button

...great in Wordpress! <a href="//pinterest.com/pin/create/link/?url=<?php the_permalink();?>&description=<?php the_title();?>">Pin this</a> share | improve this answe...
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内存管理内幕:动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...II 上进行汇编语言编程的时代,那时内存管理还不是个大问题。您实际上在运行整个系统。系统有 多少内存,您就有多少内存。您甚至不必费心思去弄明白它有多少内存,因为每一台机器的内存数量都相同。 所以,如果内存需...
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Why does PHP 5.2+ disallow abstract static class methods?

After enabling strict warnings in PHP 5.2, I saw a load of strict standards warnings from a project that was originally written without strict warnings: ...
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TCP 的那些事儿(下) - 更多技术 - 清泛网 - 专注C/C++及内核技术

... 算法 但是上面的这个算法在重传的时候会出有一个终极问题——你是用第一次发数据的时间和ack回来的时间做RTT样本值,还是用重传的时间和ACK回来的时间做RTT样本值? 这个问题无论你选那头都是按下葫芦起了瓢。 如下图所...
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Cannot use object of type stdClass as array?

...ntext); If you have identifiers like from-date (the hyphen would cause a PHP error when using the above method) you have to write: var_dump($result->{'from-date'}); If you want an array you can do something like this: $result = json_decode($json, true); Or cast the object to an array: $r...
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编译失败! Error: Your build failed due to an error in the AAPT stage,...

...n      [java] INFO: BUILD 1 FINISHED aia包属性有问题,导致的原因未知,待探索。。。 目前最好的办法就是重新建立一个项目,组件和代码拷贝过来。
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Select mySQL based only on month and year

...red statements. In short, use whatever method is recommended these days in PHP, to avoid any SQL injection issues. share | improve this answer | follow | ...
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jQuery Ajax File Upload

...ed to use the XHR object but could not get results on the server side with PHP. var formData = new FormData(); formData.append('file', $('#file')[0].files[0]); $.ajax({ url : 'upload.php', type : 'POST', data : formData, processData: false, // tell jQuery not to proces...
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How do I catch a PHP fatal (`E_ERROR`) error?

I can use set_error_handler() to catch most PHP errors, but it doesn't work for fatal ( E_ERROR ) errors, such as calling a function that doesn't exist. Is there another way to catch these errors? ...