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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法? 当然,如果你真心在乎准确率,最好的途径就是测试一大堆各式各样的算法(同时确保在每个算法上也测试不同的参数),最后选择在交...
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Get user info via Google API

...re": "xx", "gender": "xx", "locale": "xx" } To Tahir Yasin: This is a php example. You can use json_decode function to get userInfo array. $q = 'https://www.googleapis.com/oauth2/v1/userinfo?access_token=xxx'; $json = file_get_contents($q); $userInfoArray = json_decode($json,true); $googleEmai...
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Zero-pad digits in string

... There's also str_pad <?php $input = "Alien"; echo str_pad($input, 10); // produces "Alien " echo str_pad($input, 10, "-=", STR_PAD_LEFT); // produces "-=-=-Alien" echo str_pad($input, 10, "_", STR_PAD_BOTH); // produces ...
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LR性能指标解释 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...深入地分析网站上那些下载很慢的图形或中断的连接等有问题的 元素。 1、Web Page Breakdown(页面分解总图) "页面分解"显示某一具体事务在测试过程的响应情况,进而分析相关的事务运行是否正常。 "页面分解"图可以按下面...
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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术

...学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法? 当然,如果你真心在乎准确率,最好的途径就是测试一大堆各式各样的算法(同时确保在每个算法上也测试不同的参数),最后选择在交...
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Doctrine - How to print out the real sql, not just the prepared statement?

We're using Doctrine, a PHP ORM. I am creating a query like this: 19 Answers 19 ...
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How to get GET (query string) variables in Express.js on Node.js?

...riables in the query string in Node.js just like we get them in $_GET in PHP? 26 Answers ...
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Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...的时候已经想到要实现与POSIX(UNIX 的国际标准)的兼容问题了。   Linux 操作系统的诞生   1981 年IBM 公司推出享誉全球的微型计算机IBM PC。在1981-1991 年间,MS-DOS 操作系统一直是微型计算机上操作系统的主宰。此时计算机...
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How should a model be structured in MVC? [closed]

...g is a description of how I understand MVC-like patterns in the context of PHP-based web applications. All the external links that are used in the content are there to explain terms and concepts, and not to imply my own credibility on the subject. The first thing that I must clear up is: the model...
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How to send an email from JavaScript

...; if (rq) { // Success; attempt to use an Ajax request to a PHP script to send the e-mail try { rq.open('GET', 'sendmail.php?to=' + encodeURIComponent(to) + '&subject=' + encodeURIComponent(subject) + '&d=' + new Date().getTime().toString(), true); ...