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微博为什么限制140字(附短信70字限制考) - 程序人生、谈天论地 - 清泛IT论...
...嗒啪嗒的敲着打字机的键盘，随意的打着一些句子。这位通信专家一边打一边数着字母、数字、标点和空格的数目，最终发现160个字符足够表现一个简单的意思。当时Hellebrand正在参与一个允许手机发送及显示文字消息的标准制...
微博为什么限制140字(附短信70字限制考) - 创意 - 清泛网 - 专注C/C++及内核技术
...嗒啪嗒的敲着打字机的键盘，随意的打着一些句子。这位通信专家一边打一边数着字母、数字、标点和空格的数目，最终发现160个字符足够表现一个简单的意思。当时Hellebrand正在参与一个允许手机发送及显示文字消息的标准制...
IPC performance: Named Pipe vs Socket
...ll get with Shared Memory solution.
Named pipes are only 16% better than TCP sockets.
Results are get with IPC benchmarking:
System: Linux (Linux ubuntu 4.4.0 x86_64 i7-6700K 4.00GHz)
Message: 128 bytes
Messages count: 1000000
Pipe benchmark:
Message size: 128
Message count: 1000...
What are the differences between WCF and ASMX web services?
...on, a console app - you have total freedom
used with HTTP (REST and SOAP), TCP/IP, MSMQ and many more protocols
In short: WCF is here to replace ASMX fully.
Check out the WCF Developer Center on MSDN.
Update: link seems to be dead - try this: What Is Windows Communication Foundation?
...
How can I access my localhost from my Android device?
...to laptop
Enable USB Debugging on mobile device
On laptop, run adb reverse tcp:4000 tcp:4000
Use your custom port number instead of 4000
Now, on the mobile device, you can navigate to http://localhost:4000/, and it will actually connect to the laptop, not the mobile device
See instructions here...
VC DDE（Dynamic Data Exchange）与EXCEL连接 - C/C++ - 清泛网 - 专注C/C++及内核技术
...动态数据交换，是基于WINDOWS系统开发的一种消息传输的通信方案。花了半天时间研究了下，做了个案例，VC6.0下调试通过，很开心。作为一个产品经理，为产品设计搭建好平台，有人的平台，有技术平台，一切目标为了高效的做...
TransactionScope automatically escalating to MSDTC on some machines?
...s are not open at the same time, which would result in multiple "physical" TCP connections and thus require escalation.
I see some of your developers have SQL Server 2005 and others have SQL Server 2008. Are you sure you have correctly identified which ones are escalating and which not?
The most o...
从Sloodle看三维虚拟学习环境的发展趋势 - 资讯 - 清泛网 - 专注C/C++及内核技术
...电子邮件、XML远程调用、HTTP请求等方式在因特网上进行通信。用户可以通过 Web浏览器使用 HTTP协议链接到 Moodle服务器 ,服务器端则通过判断用户的权限决定是否响应用户的请求。Second Life中的一个对象发出一个 HTTP请求 , Sloodle模...
Why use deflate instead of gzip for text files served by Apache?
..., but a different algorithm for headers and checksum.
Now, the underlying TCP packets are already pretty reliable, so the issue here is not Adler 32 vs CRC-32 that GZIP uses.
Turns out many browsers over the years implemented an incorrect deflate algorithm. Instead of expecting the zlib header i...
Wi-Fi 是什么的缩写 - 程序人生、谈天论地 - 清泛IT论坛，有思想、有深度
...发明出来。当时的大背景是，IEEE 定义了一系列无线网络通信的标准，也就是我们常见到的 802.11 系列，但却没有规定如何去测试产品是否符合标准，导致 802.11 产品间的互通频频出现问题，而联盟的成立就是为了填补这一空缺。...