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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...定的局部性的特征,利用局部性的原理将海量数据计算的问题分而治之。 MR模型是无共享的架构,数据集分布至各个节点。处理时,每个节点就近读取本地存储的数据处理(map),将处理后的数据进行合并(combine)、排序(shuffle and so...
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Remove empty array elements

...ments that are i.e. exact string '0', you will need a custom callback: // PHP 7.4 and later print_r(array_filter($linksArray, fn($value) => !is_null($value) && $value !== '')); // PHP 5.3 and later print_r(array_filter($linksArray, function($value) { return !is_null($value) && $...
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Check whether an array is empty [duplicate]

... You don't need to count the elements or use empty(). A one-liner like php -r 'echo array() ? "T":"F";' will show the truthiness for an empty or non-empty array. – jerseyboy May 16 '14 at 13:08 ...
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Passing $_POST values with cURL

... Should work fine. $data = array('name' => 'Ross', 'php_master' => true); // You can POST a file by prefixing with an @ (for <input type="file"> fields) $data['file'] = '@/home/user/world.jpg'; $handle = curl_init($url); curl_setopt($handle, CURLOPT_POST, true); cur...
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String comparison using '==' vs. 'strcmp()'

It seems that PHP's === operator is case sensitive. So is there a reason to use strcmp() ? 13 Answers ...
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Send attachments with PHP Mail()?

... I agree with @MihaiIorga in the comments – use the PHPMailer script. You sound like you're rejecting it because you want the easier option. Trust me, PHPMailer is the easier option by a very large margin compared to trying to do it yourself with PHP's built-in mail() function...
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How to get parameters from a URL string?

...ery); echo $query['email']; If you want to get the $url dynamically with PHP, take a look at this question: Get the full URL in PHP share | improve this answer | follow ...
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宽度默认980px?手机浏览器及pc浏览器width自适应问题 - 更多技术 - 清泛网...

宽度默认980px?手机浏览器及pc浏览器width自适应问题Tips: 调试 iPad 或 iPhone 可在设置中启动调试模式,在 Mac 中的 Safari 浏览器 同样开启开发者模式后,进行联机调试。功能彪悍...Tips: 调试 iPad 或 iPhone 可在设置中启动调试模式,...
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PHP abstract properties

Is there any way to define abstract class properties in PHP? 9 Answers 9 ...
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创业公司如何实施敏捷开发 - 资讯 - 清泛网 - 专注C/C++及内核技术

...这个东西并不是神器,实施了就可以解决所有软件公司的问题,而是要结合自己公司的特点和问题摸索出适合自己的一套模式。 大家都知道,创业公司刚开始需要研发出一款产品并且能够使公司赚钱的产品,不过大部分创业公...