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https://www.tsingfun.com/it/tech/1600.html 

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...
https://www.tsingfun.com/it/tech/1318.html 

不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...机A ,B有两个可用路由要实现主备切换,当主防火墙出现问题的时候,可以自动切换到备防火墙上。第一台设备 ASG 425 支持OSPF...拓扑如下 主机A ,B有两个可用路由要实现主备切换,当主防火墙出现问题的时候,可以自动切换...
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How to execute PHP code from the command line?

I would like to execute a single php statement like if(function_exists("my_func")) echo 'function exists'; directly with the command line without having to use a seperate php file. ...
https://www.tsingfun.com/it/bigdata_ai/335.html 

MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...来很旧了,停止选举等待人来操作。 ? 如果上面都没有问题就选择最后操作时间戳最新(保证数据是最新的)的服务器节点作为主节点。 选举的触发条件 初始化一个副本集时。 副本集和主节点断开连接,可能是网络问题。...
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Apache shows PHP code instead of executing it

I have recently been trying to install PHP and Apache on my computer. After many hours, they're installed. I have modified the httpd.conf and php.ini files like everyone says. I then created a simple PHP script: ...
https://www.tsingfun.com/ilife/tech/975.html 

十年磨一“饼” 一个70后连续创业者的心路历程 - 资讯 - 清泛网 - 专注C/C+...

...了赛百味亚洲总部的ALAN老师关于很多标准化和供应链的问题(他在新加坡亚洲总部负责产品开发及供应链管理). 接下来讲讲我们现在的团队:“菜鸟也有鹰的梦想”—— 操心的货当家“狮子”,草根乐观的烹饪师“王储”,务...
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PHP-FPM doesn't write to error log

I've just installed a nginx+php-fpm server. Everything seems fine except that PHP-FPM never writes error to its log. 11 Ans...
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relative path in require_once doesn't work

... this should fix your problem. So: require_once(__DIR__.'/../class/user.php'); This will prevent cases where you can run a PHP script from a different folder and therefore the relatives paths will not work. Edit: slash problem fixed ...
https://www.tsingfun.com/it/bigdata_ai/343.html 

搭建高可用mongodb集群(四)—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...可用mongodb集群(三)—— 深入副本集》搭建后还有两个问题没有解决:从节点每个上面的数据都是对数据库全量拷贝, 按照上一节中《搭建高可用mongodb集群(三)—— 深入副本集》搭建后还有两个问题没有解决: 从节点...
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How to use php serialize() and unserialize()

... A PHP array or object or other complex data structure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you ...