大约有 43,000 项符合查询结果(耗时:0.0227秒) [XML]

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MySQL vs MongoDB 1000 reads

... man,,, the answer is that you're basically testing PHP and not a database. don't bother iterating the results, whether commenting out the print or not. there's a chunk of time. foreach ($cursor as $obj) { //echo $obj["thread_title"] . "<br><Br>"; ...
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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...
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写出高质量代码的10个Tips - 更多技术 - 清泛网 - 专注C/C++及内核技术

...。 基础的数据结构与算法,掌握好这些在解决一些特定问题时,可以以更加优雅有效的方式处理。 基础的设计原则,无需完全掌握23种经典设计模式,只需要了解一些常用的设计原则即可,甚至你也可以只了解什么是低耦合,...
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How can I sanitize user input with PHP?

... It's a common misconception that user input can be filtered. PHP even has a (now deprecated) "feature", called magic-quotes, that builds on this idea. It's nonsense. Forget about filtering (or cleaning, or whatever people call it). What you should do, to avoid problems, is quite simpl...
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Detect when browser receives file download

...expireCookie( "downloadToken" ); attempts = 30; } Example server code (PHP): $TOKEN = "downloadToken"; // Sets a cookie so that when the download begins the browser can // unblock the submit button (thus helping to prevent multiple clicks). // The false parameter allows the cookie to be expose...
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How to POST JSON Data With PHP cURL?

...our second page, you can nab the incoming request using file_get_contents("php://input"), which will contain the POSTed json. To view the received data in a more readable format, try this: echo '<pre>'.print_r(json_decode(file_get_contents("php://input")),1).'</pre>'; In your code, ...
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PHP - Extracting a property from an array of objects

... If you have PHP 5.5 or later, the best way is to use the built in function array_column(): $idCats = array_column($cats, 'id'); But the son has to be an array or converted to an array ...
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你不得不知道的6个用好大数据的秘诀 - 资讯 - 清泛网 - 专注C/C++及内核技术

...时候,利用太复杂先进的数据分析工具往往也会带来很多问题, 不过如果我们能够通过分析大量的数据来得到最终的结果,那就不用怀疑了,你就干吧,至少方向肯定是对的。 秘诀二:要区分清楚“森林”和“树” 现在,企...
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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)

...houldn't be a problem isn't it? At least I usually use the $_POST array in PHP only when processing forms. – Calmarius Mar 20 '15 at 18:45 ...
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乘着App的创业浪潮 行业短信也迎来了新生和爆发 - 资讯 - 清泛网 - 专注C/C...

...新生之后,如何提升用户体验,解决消息延迟、被拦截等问题成为了行业短信面临的最大难题。 逆势崛起:验证短信迎来脱胎换骨 毫无疑问,短信正在死亡,最具有代表性的便是拜年短信。除夕是拜年短信发送的高峰,甚至...