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Unexpected results when working with very big integers on interpreted languages

...et the sum of 1 + 2 + ... + 1000000000 , but I'm getting funny results in PHP and Node.js . 36 Answers ...
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Export to CSV via PHP

...t I have from the database to a CSV file (and text file [if possible]) via PHP? 7 Answers ...
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Get current domain

...ometimes forget which one to use myself - I think this can be nifty. <?php // Change banana.com to the domain you were looking for.. $wordToHighlight = "banana.com"; $serverVarHighlighted = str_replace( $wordToHighlight, '<span style=\'background-color:#883399; color: #FFFFFF;\'&g...
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Anonymous recursive PHP functions

Is it possible to have a PHP function that is both recursive and anonymous? This is my attempt to get it to work, but it doesn't pass in the function name. ...
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Apache .htaccess 禁止访问某目录方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...不愿意发生的意想不到的修改,这样就会造成服务器安全问题。这样你就必须考虑是否设置AllowOverride None来完全禁用.htaccess文件。 -------------------------------------------------------------------------- 一、开启Mod_rewrite模块 打开Apache2\co...
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php 获取操作系统、浏览器版本信息(持续更新) - 更多技术 - 清泛网 - 专...

php 获取操作系统、浏览器版本信息(持续更新)有时我们需要在服务器端收集用户操作系统版本,以及用户使用何种浏览器等信息,本文主要提供getOS、getBrowser、getBrowserVer三个方法,对网上各方法进行测试汇总整理,持续更新...
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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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Android应用内存泄露分析、改善经验总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...可以梳理总结出来作为分享。 原则   对于性能问题,分析和改善有必要遵循以下原则: 一切看数据说话,不能跟着感觉走,感觉哪有问题就去改,很有可能会适得其反; 性能优化是一个持续的过程,需要不断...
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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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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...