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How to add http:// if it doesn't exist in the URL?
...L if it doesn't already include a protocol (e.g. http:// , https:// or ftp:// )?
8 Answers
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What is a good regular expression to match a URL? [duplicate]
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function isURL(str) {
var urlRegex = '^(?!mailto:)(?:(?:http|https|ftp)://)(?:\\S+(?::\\S*)?@)?(?:(?:(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[0-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(?:(?:[a-z\\u00a1-\\uffff0-9]+-?)*[a-z\\u00a1-\\uffff0-9]+)(?:\\...
马云、王健林为什么都看中了上海？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...8月22日，国务院正式批准设立上海自由贸易试验区，企业可以通过这片区域对外做买卖，而政府对自贸区的买卖活动不过多插手干预，同时还减免外来货物的关税。这无疑给国际企业落户上海增加了更多理由。
上海很好，但...
技术人员如何创业《一》—— 产品及想法 - 资讯 - 清泛网 - 专注C/C++及内核技术
...的需求就觉得自己信心暴涨，认为这么简单的产品自己也可以很轻松就做出来了。看看自己搞的程序，这么复杂的工程，多有成就感。可是，自信心爆满的工程师如果不自我总结，研究用户需求、研究产品，只是自己一个人关门...
Main differences between SOAP and RESTful web services in Java [duplicate]
...describing Web services and how to access them. It will run on SMTP, HTTP, FTP, etc. It requires middleware support and well-defined mechanism to define services like WSDL+XSD and WS-Policy.
SOAP will return XML based data
REST
Representational State Transfer (RESTful) web services. They are seco...
How to get error information when HttpWebRequest.GetResponse() fails
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I came across this question when trying to check if a file existed on an FTP site or not. If the file doesn't exist there will be an error when trying to check its timestamp. But I want to make sure the error is not something else, by checking its type.
The Response property on WebException will ...
微软正式推送Win10，不满意或者不习惯可以回滚至旧版 - 资讯 - 清泛网 - 专...
微软正式推送Win10，不满意或者不习惯可以回滚至旧版今天无疑是微软新款操作系统Win10的大日子，被视作继Win7之后又一个能够带微软重回巅峰的系统作品，Win10推送全面开启，Win7、Win8用户从今日零点起就可以免费升级到Win10，...
探讨nginx与php-fpm是不是以多进程多线程方式运行的 - 更多技术 - 清泛网 -...
...不是以多进程多线程方式运行的Nginx在nginx的配置文件中可以设置开启多少个nginx进程，如下：worker_processes 2;同时也可以设置每个进程的最大连接数，如下：worker_co Nginx
在nginx的配置文件中可以设置开启多少个nginx进程，如下：...
Linux C++程序内存占用过高的原因分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...为0的话，考虑可能是内存碎片过多导致的，这种情况下可以考虑使用 jemalloc，使用preload方式载入 jemalloc，接替系统的内存分配函数，可极大消除内存碎片问题。
valgrind 内存泄漏 jemalloc
How to check for a valid URL in Java?
...you can set to control how this class behaves, by default http, https, and ftp are accepted.
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