大约有 16,000 项符合查询结果(耗时:0.0216秒) [XML]

https://www.tsingfun.com/it/cp... 

内存调试技巧:C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术

...管理的重要性 存在内存错误的 C 和 C++ 程序会导致各种问题。如果它们泄漏内存,则运行速度会逐渐变慢,并最终停止运行;如果覆盖内存,则会变得非常脆弱,很容易受到恶意用户的攻击。从 1988 年著名的莫里斯蠕虫 攻击到...
https://stackoverflow.com/ques... 

What is the best way to stop people hacking the PHP-based highscore table of a Flash game

...core limit and no way to verify the score on the server by replaying moves etc. 18 Answers ...
https://www.tsingfun.com/it/tech/1323.html 

VM 磁盘空间扩容引起的一些问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术

VM 磁盘空间扩容引起的一些问题TOP如下存储分区如下ESX1下挂载情况如下图ESX2下挂载情况如下图现在有个需求,lun60的空间偏大,缩小为1T,LUN80的空间偏小,扩大为1.5T先...TOP 如下 存储分区如下 ESX1下挂载情况如下图 ...
https://www.tsingfun.com/ilife/tech/1255.html 

为什么大数据也不能帮你摆脱单身狗的命运? - 资讯 - 清泛网 - 专注C/C++及内核技术

...几个选。而这些结果基于也许就几十个,一般你回答几个问题,或者你产生的一些行为。基本数据:年龄、身高…户口所在地、毕业学校、工作单位、家庭状况。一些网站最厉害的问你100个问题,什么喜欢的颜色,食物,运动,...
https://stackoverflow.com/ques... 

What is mod_php?

...sudo apt-get install php5 sudo apt-get install libapache2-mod-php5 sudo /etc/init.d/apache2 restart Otherwise you may compile apache with php: http://dan.drydog.com/apache2php.html Specifying your server OS will help others to answer more specifically. ...
https://www.tsingfun.com/it/tech/1215.html 

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...
https://stackoverflow.com/ques... 

mysqli or PDO - what are the pros and cons? [closed]

...nted aspect, the prepared statements, the fact that it becomes a standard, etc. But I know that most of the time, convincing somebody works better with a killer feature. So there it is: A really nice thing with PDO is you can fetch the data, injecting it automatically in an object. If you don't wan...
https://stackoverflow.com/ques... 

What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?

...rface invokes the PHP library (libphp5.so on linux, php5ts.dll on windows, etc) as if it still a cgi processing a GET/POST request. It still executes code as if it just has to build a "page" and then end it's life cycle. As a result, it has very little support for multi-thread or event driven progra...
https://stackoverflow.com/ques... 

Send email using the GMail SMTP server from a PHP page

...array('sender@example.com' => 'Sender Name')) // can be $_POST['email'] etc... ->setTo(array('receiver@example.com' => 'Receiver Name')) // your email / multiple supported. ->setBody('Here is the <strong>message</strong> itself. It can be text or <h1>HTML</h1...
https://stackoverflow.com/ques... 

How can I run a PHP script in the background after a form is submitted?

...portant to notice the & at the end of the command (as pointed out by @netcoder). This UNIX command runs a process in the background. The extra variables surrounded in single quotes after the path to the script are set as $_SERVER['argv'] variables that I can call within my script. The email s...