大约有 40,000 项符合查询结果(耗时:0.0265秒) [XML]

https://stackoverflow.com/ques... 

Get fragment (value after hash '#') from a URL in php [closed]

... That part is called "fragment" and you can get it in this way: $url=parse_url("http://domain.com/site/gallery/1#photo45 "); echo $url["fragment"]; //This variable contains the fragment ...
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...
https://stackoverflow.com/ques... 

Accurate way to measure execution times of php scripts

I want to know how many milliseconds a PHP for-loop takes to execute. 14 Answers 14 ...
https://stackoverflow.com/ques... 

How to read a large file line by line?

...e line from the file. echo $file->fgets(); } // Unset the file to call __destruct(), closing the file handle. $file = null; share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How can I detect if the user is on localhost in PHP?

... Which would make this actually easier to break than spoofing the IP. You should really change it. – Pekka Jan 13 '10 at 0:09 3 ...
https://stackoverflow.com/ques... 

PHP Session Fixation / Hijacking

...cker explicitly sets the session identifier of a session for a user. Typically in PHP it's done by giving them a url like http://www.example.com/index...?session_name=sessionid. Once the attacker gives the url to the client, the attack is the same as a session hijacking attack. There are a few way...
https://www.tsingfun.com/it/tech/1429.html 

正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,所以本页排版比较混乱,推荐你到原处查看,看完了如果有问题,再到这里来提出. 一些要说的话: 如果你没有正则表达式的基础,请跟着教程“一步步来”。请不要大概地扫两眼就说看不懂——以这种态度我写成什么样你也看...
https://stackoverflow.com/ques... 

When to use self over $this?

... $x = new Y(); $x->bar(); ?> The idea is that $this->foo() calls the foo() member function of whatever is the exact type of the current object. If the object is of type X, it thus calls X::foo(). If the object is of type Y, it calls Y::foo(). But with self::foo(), X::foo() is always ...
https://stackoverflow.com/ques... 

Sanitizing strings to make them URL and filename safe?

...For example, when someone uploads a file I want to make sure that I remove all dangerous characters from the name. 23 Answe...
https://www.tsingfun.com/it/tech/1903.html 

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...