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What is cURL in PHP?

...the PHP manual. In order to use PHP's cURL functions you need to install the » libcurl package. PHP requires that you use libcurl 7.0.2-beta or higher. In PHP 4.2.3, you will need libcurl version 7.9.0 or higher. From PHP 4.3.0, you will need a libcurl version that's 7.9.8 or higher. ...
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Deep Learning(深度学习)学习笔记整理系列之(三) - 大数据 & AI - 清泛...

...算单元情况下对复杂函数的表示能力有限,针对复杂分类问题其泛化能力受到一定制约。深度学习可通过学习一种深层非线性网络结构,实现复杂函数逼近,表征输入数据分布式表示,并展现了强大的从少数样本集中学习数据集...
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How to force a web browser NOT to cache images

...(date, place, title, description, links, etc.) and save it. On that form I allow the administrator to upload an image related to the event. On the HTML page displaying the form, I am also showing a preview of the picture uploaded (HTML img tag). ...
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分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...一台服务器来提供数据服务的时候,我会遇到如下的两个问题:1)一台服务器的性能不足以提供足够的能力服务于所有的网络...当我们在生产线上用一台服务器来提供数据服务的时候,我会遇到如下的两个问题: 1)一台服务...
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json_encode is returning NULL?

...ser didn't solve my problem. For those in same situation, here is how I finally handled this error: Just utf8_encode each of your results. while($row = mysql_fetch_assoc($result)){ $rows[] = array_map('utf8_encode', $row); } Hope it helps! ...
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What is an abstract class in PHP?

...re interface. Also interfaces are a special case of abstract classes where ALL methods are abstract. See this section of the PHP manual for further reference. share | improve this answer |...
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How to validate an email address in PHP

...($email, FILTER_VALIDATE_EMAIL)) { // invalid emailaddress } Additionally you can check whether the domain defines an MX record: if (!checkdnsrr($domain, 'MX')) { // domain is not valid } But this still doesn't guarantee that the mail exists. The only way to find that out is by sending ...
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What is the best collation to use for MySQL with PHP? [closed]

...site where you aren't 100% sure of what will be entered? I understand that all the encodings should be the same, such as MySQL, Apache, the HTML and anything inside PHP. ...
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insert multiple rows via a php array into mysql

...like you might be running into string-handling problems in PHP, which is really an algorithm problem, not a language one. Basically, when working with large strings, you want to minimize unnecessary copying. Primarily, this means you want to avoid concatenation. The fastest and most memory efficient...
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PHP code is not being executed, instead code shows on the page

...guration, here are a few things you can check: Make sure that PHP is installed and running correctly. This may sound silly, but you never know. An easy way to check is to run php -v from a command line and see if returns version information or any errors. Make sure that the PHP module is listed an...