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how to find host name from IP with out login to the host
i need to find the host name of a UNIX host whose IP is known with out login to that UNIX host
11 Answers
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What are named pipes?
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Both on Windows and POSIX systems, named-pipes provide a way for inter-process communication to occur among processes running on the same machine. What named pipes give you is a way to send your data without having the performance penalty of involving the network st...
Predicate Delegates in C#
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@Andrew Hare: in your first code snippet, should that be yeild return instead? Or how does that work, how does it iterate over the whole list?
– VoodooChild
Sep 26 '11 at 16:42
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What is the largest TCP/IP network port number allowable for IPv4?
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@JessieArr Most IP stacks use a tuple of Source IP address, Source port, Destination IP address and Destination port as a unique identifier for connections. This means that a server can have many many more active connections than there are a...
How can I redirect HTTP requests made from an iPad?
Since on an iPad we cannot edit the hosts file (without jailbreaking), how can we arbitrarily redirect web traffic to another url?
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0
...ggests that it might be because the MySQL server is bound to the loop-back IP (127.0.0.1 / localhost) which effectively cuts you off from connecting from "outside".
If this is the case, you need to upload the script to the webserver (which is probably also running the MySQL server) and keep your se...
TaifunWiFi 拓展：WiFi Manager WiFi管理器扩展 · App Inventor 2 中文网
...i状态控制（启用/禁用WiFi）
网络信息查询（SSID、BSSID、IP地址等）
可用网络扫描
网络连接管理
信号强度检测
5GHz频段支持检测
DNS服务器查询
位置权限管理
网络建议API支持
扩展截图
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How Can I Download a File from EC2 [closed]
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Use scp:
scp -i ec2key.pem username@ec2ip:/path/to/file .
where:
ec2key.pem is your PEM key
username is the username you log in with
ec2ip is the IP or DNS alias of the instance
/path/to/file is the location where the file is stored
This will copy the file i...
进程间通信（IPC）的几种方式 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的效率太低了，而人们对进程间通信的要求是要有一定的实时性。
进程间通信主要包括管道, 系统IPC(包括消息队列,信号量,共享存储), SOCKET.
管道包括三种:1)普通管道PIPE, 通常有种限制,一是半双工,只能单向传输;二是只能在父...
工程师每周体验2G网 Facebook何用意？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...发了开源的网络接入服务系统，让Facebook的app能识别用户实时的联网速度。今后，Facebook还会有针对性地展示不同的News Feed报道，例如在网速超慢的时候优先更新状态和相关链接，其次才是显示视频和图片，而且不再同时下载多...