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What is the difference between AF_INET and PF_INET in socket programming?
...Internet = IP Addresses
PF_INET = Packet Format, Internet = IP, TCP/IP or UDP/IP
AF_INET is the address family that is used for the socket you're creating (in this case an Internet Protocol address). The Linux kernel, for example, supports 29 other address families such as UNIX sockets and IPX, an...
Sockets: Discover port availability using Java
...e checking the DatagramSocket as well to check if the port is avaliable in UDP and TCP.
Hope this helps.
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IPC performance: Named Pipe vs Socket
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Keep in mind that sockets does not necessarily mean IP (and TCP or UDP). You can also use UNIX sockets (PF_UNIX), which offer a noticeable performance improvement over connecting to 127.0.0.1
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how to find host name from IP with out login to the host
...ORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1460
;; QUESTION SECTION:
;34.34.51.72.in-addr.arpa. IN PTR
;; ANSWER SECTION:
34.34.51.72.in-addr.arpa. 42652 IN PTR sb.lwn.net.
;; Query time: 4 msec
;; SERVER: 192.168.178.1#53(192.168.178.1)
;; W...
如果携程决心战略性亏损到底，去哪儿怕是只剩一条路可走 - 资讯 - 清泛网 -...
...收购艺龙的消息，笔者当时就想到了一个故事，大学里面怎么去追校花？并不是直接的上去就示好，而是孤立 前天（5月22日）携程公布了以4亿美金收购艺龙的消息，笔者当时就想到了一个故事，大学里面怎么去追校花？并不...
房多多：懂用户比懂互联网重要 - 资讯 - 清泛网 - 专注C/C++及内核技术
...代理公司，或者中介的房源信息，基本上是房产经纪人说怎么卖就怎么卖。但是购房是大宗交易，消费者不满意肯定会延长决策周期，成交率就会降低，开发商的营销成本就会增加，成本最后又会叠加到房价上，消费者就会更慎...
fastest (low latency) method for Inter Process Communication between Java and C/C++
...99.99%,Max
IPC busy-spin, 89, 127, 168, 3326, 6501, 11555, 25131
UDP busy-spin, 4597, 5224, 5391, 5958, 8466, 10918, 18396
TCP busy-spin, 6244, 6784, 7475, 8697, 11070, 16791, 27265
TCP select-now, 8858, 9617, 9845, 12173, 13845, 19417, 26171
TCP block, 10696, 13103, 132...
How to find the port for MS SQL Server 2008?
...lves the instance name into the 51118 port. SQL Browser service listens on UDP port 1434 (standard & static), so I had to allow this also in server's firewall.
To extend a bit the actual answer: if someone else doesn't like dynamic ports and wants a static port for his SQL Server instance, shou...
Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?
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For me additionally I had to allow TCP 1433 and UDP 1434 in the Firewall
– MarkusEgle
Jul 2 '19 at 12:07
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蜘蛛的故事 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...你个问题，看你修炼了这一千多年来，有什么真知拙见。怎么样？”蜘蛛遇见佛主很是高兴，连忙答应了。佛主问到：“世间什么才是最珍贵的？”蜘蛛想了想，回答到：“世间最珍贵的是‘得不到’和‘已失去’...