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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...
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
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Will HTML5 allow web apps to make peer-to-peer HTTP connections?
...s with other users of the same web app? I'm imagining a process similar to UDP hole punching.
6 Answers
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TCP: can two different sockets share a port?
...nated not only by source/destination port/IP, but also by a protocol (TCP, UDP etc.), if I am not mistaken.
– Ondrej Peterka
Apr 27 '14 at 15:00
2
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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...例子莫过于各个分层之间使用短连接模式的HTTP协议进行通信。这样的策略直接导致在流量高峰期单机的TCP连接数非常高。所以说，一个良好的架构固然能够在很大程度上降低开发和维护的成本，但它自身一定是随着数据量和流...
华为公司的新产品研发流程管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...日子，这一天从欧洲市场传来了捷报：华为将为荷兰移动通信运营商telfort建设第三代网络。这是华为的首份欧洲合同。对于这桩价值数亿欧元的交易，用华为总裁任正非的话来说，“在华为成为全球规模的移动解决方案供应商...
实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...tCGI是一个可伸缩地、高速地在HTTP server和动态脚本语言间通信的接口。多数流行的HTTP server都支持FastCGI，包括Apache、Nginx和lighttpd等，同时，FastCGI也被许多脚本语言所支持，其中就有PHP。
FastCGI是从CGI发展改进而来的。传统CGI接...