大约有 280 项符合查询结果(耗时:0.0268秒) [XML]

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Is there a way for multiple processes to share a listening socket?

...e original question, but in Linux kernel 3.9 there is a patch adding a TCP/UDP feature: TCP and UDP support for the SO_REUSEPORT socket option; The new socket option allows multiple sockets on the same host to bind to the same port, and is intended to improve the performance of multithreaded network...
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Get the IP address of the machine

...be used for a connection to a specific external host. By using a connected UDP socket, you can get the information without actually sending any packets. The approach requires that you choose a specific external host. Most of the time, any well-known public IP should do the trick. I like Google's pub...
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Getting the IP address of the current machine using Java

... IP. The destination 8.8.8.8 is not needed to be reachable. Connect on a UDP socket has the following effect: it sets the destination for Send/Recv, discards all packets from other addresses, and - which is what we use - transfers the socket into "connected" state, settings its appropriate fields....
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Can (domain name) subdomains have an underscore “_” in it?

...rscores are very common in the wild. Check _jabber._tcp.gmail.com or _sip._udp.apnic.net. Other RFC mentioned here deal with different things. The original question was for domain names. If the question is for host names (or for URLs, which include a host name), then this is different, the relevant...
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NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术

...,每次都需要从PSP中获取相关信息来实现与被加载程序的通信,在linux中要简单得多,因为当程序开始执行的时候,它的所有参数直接放在栈中,如果要得到它们,只需要简单的pop指令就行了。 下面是一个例子,说明运行一个...
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Convert line-endings for whole directory tree (Git)

...r sfk tcpdump - print TCP conversation between programs sfk udpdump - print incoming UDP requests sfk udpsend - send UDP requests sfk ip - tell own machine's IP address(es). type "sfk ip -help" for help. sfk netlog - send text...
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In Windows Azure: What are web role, worker role and VM role?

... EDIT 3/3/2013 - updated to reference UDP endpoints, Virtual Machines, and more languages EDIT 6/6/2013 - updated to reflect the discontinuation of VM Role, and update to web/worker role baseline OS images to Windows Server 2012 Good link by @Vladimir. A bit mo...
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高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术

...的group信息,并将其缓存,后续将直接与相应的group进行通信;为避免大量“首次”查询冲垮Global Master,在Client与Global Master之间增加DNS负载均衡,可由Global Slave分担部分查询工作; (6)当Client已经拥有足够的group信息时,它...
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TCP 的那些事儿(上) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...链接的3次握手,主要是要初始化Sequence Number 的初始值。通信的双方要互相通知对方自己的初始化的Sequence Number(缩写为ISN:Inital Sequence Number)——所以叫SYN,全称Synchronize Sequence Numbers。也就上图中的 x 和 y。这个号要作为以后...
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port forwarding in windows

... NOTE that this only works on TCP, so no luck if you wanted to forward UDP traffic. – user276648 Dec 13 '16 at 7:13  |  show 6 more commen...