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On localhost, how do I pick a free port number?
...s accessible when the listener receives data.
I presume you will be using UDP for this?
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linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用有以下几点。
1．共享网络
2．加快访问速度，节约通信带宽
3．防止内部主机受到攻击
4．限制用户访问，完善网络管理
原理：
① 客户端A向代理服务器提出访问Internet的请求。
② 代理服务器接受到请求后，首先与...
What is the difference between an Azure Web Site and an Azure Web Role
...tricted endpoints (added in Azure SDK 2.3, April 2014)
Support for any TCP/UDP ports (Web Sites are restricted to TCP 80/443)
Web Apps have advantages over Web Roles though:
Near-instant deployment with deployment history / rollbacks
Visual Studio Online, github, local git, ftp, CodePlex, DropBo...
使用Activity启动器组件 · App Inventor 2 中文网
...应用程序更简单，而不是创建两个使用 Activity Starter 进行通信的单独应用程序。 但你可能希望拥有单独的应用程序的一种情况是，两个人在一个项目上松散地协作并希望单独工作。 请记住，为了运行组合应用程序，用户必须在...
Are parallel calls to send/recv on the same socket valid?
...hat each send and recv deals with a single packet atomically (at least for udp).
– Chris Dodd
May 16 '10 at 2:33
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Differences between .NET 4.0 and .NET 4.5 in High level in .NET
...Factory caching support.
Binary encoder compression support.
Support for a UDP transport that enables developers to write services
that use "fire and forget" messaging. A client sends a message to a
service and expects no response from the service.
Ability to support multiple authentication modes on...
Parsing IPv6 extension headers containing unknown extensions
... where I want to parse IPv6 headers to match things like ICMPv6 types, TCP/UDP port numbers, etc.
4 Answers
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In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
...ish communication between clients and is transport-agnostic, so it can use UDP, TCP or even more abstract layers. This is generally used for high volume data transfer, such as video/audio streaming, where reliability is secondary and a few frames or reduction in quality progression can be sacrificed...
difference between socket programming and Http programming
...Whereas usually if you are using lower level connection protocols like TCP/UDP you are probably orchestrating a communication with systems with similar technologies (e.g. different Java applications). Is this right? I am trying to understand it myself.
– Nicola Amadio
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urllib2.HTTPError: HTTP Error 403: Forbidden
...021910 Firefox/3.0.7'
url = "http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers"
headers={'User-Agent':user_agent,}
request=urllib.request.Request(url,None,headers) #The assembled request
response = urllib.request.urlopen(request)
data = response.read() # The data u need
...