getaddrinfo eai again

MSMQ in distributed processing has already been implemented in the projects I am involved in. When developing a large system for a car manufacturer, the distributor, dealer, as a. NET client, needs to pass data to the central administration, and the data will be used by Oracle's EBS (e-business system). Because the Distributor Management system (DMS) uses the C/s structure, the database is SQL Server, and the EBS database of the auto manufacturer Management Center is Oracle. This involves the t

security and business processes to emerge. Simple Object Access Protocol (SOAP) and Web Services Description Language (WSDL) make up everything the IT industry needs to complete an XML integration project within a firewall-providing a major, short-term opportunity for Web services. If we also wait for the standard society to finalize protocols that simply repeat the current content, the implementation process will become very complex and ultimately fail like other complex component architecture

-linphone_core_set_playback_gain_db (): no active call.Ortp-message-adding new codec L16/44100 with fmtpOrtp-message-getaddrinfo returned the following addresses:The ortp-message-0.0.0.0 port 5060Ortp-error-exosip: cannot bind socket node: 0.0.0.0 family: 2 address already in useOrtp-error-exosip: cannot bind on port: 5060Ortp-warning-cocould not start UDP Transport on port 5060, maybe this port is already used.Warning: cocould not start UDP Transport

Recently, due to the need for a management software for penetrating Internet cafes to restrict vswitches and vrouters. I set 10 IP addresses for the local machine to receive data from hardware.I need to get all the IP addresses of the local machine.Now, you have prepared and used it later. Bool getlocalall_ipaddress (cstringarray strarrayip) { Char szhostname [100]; Struct addrinfo * res; Struct addrinfo * Next = NULL; Word version; Wsadata data; version = makeword (0x02, 0x02);: wsastartup (ve

1. Add command line parameters to the Project 2. Code # Include "stdafx. H"# Include # Include # Include // Socket programming # Include "winsock2.h"# Pragma comment (Lib, "ws2_32.lib ") # Include "ws2tcpip. H" // note location Int main (INT argc, char ** argv){// Wsastartup (it initiates use of ws2_32.dll by a process) must be called before any socket function is called)Wsadata;If (wsastartup (makeword (2, 2), wsadata )! = 0 ){Fprintf (stderr, "wsastartup failed: % d \ n", getlasterror ());E

This section here is mainly about Urlerror and httperror, and some of the handling of them. 1.URLError First explain the possible causes of Urlerror: Network is not connected, that is, the computer cannot surf the internet Cannot connect to a specific server Server does not exist In the code, we need to surround and catch the corresponding exception with the try-except statement. Here's an example of how it's going to feel Import Urllib2 Requset = Urllib2. Request (' http://www.

: entry Nlolgobj: entry Nnfgrne: entry Nnfgrne: Going though read path adapters Nnfgrne: Switching to TNSNAMES adapter Nnftboot: entry Nlpaxini: entry Nlpaxini: exit Nnftmlf_make_local_addrfile: entry Nnftmlf_make_local_addrfile: Construction of local names file failed Nnftmlf_make_local_addrfile: exit Nlpaxini: entry Nlpaxini: exit Nnftmlf_make_system_addrfile: entry Nnftmlf_make_system_addrfile: system names file is/opt/app/ora11g/product/11.2.0/dcsopen/network/admin/tnsnames. ora Nnftmlf_make

, emails sent through SSL. How can this problem be solved?SMTP supports SSL Secure Mail in two ways. The old one is to enable port 465 to receive SSL mail, another update method is to add a starttls command on the SMTP of the standard port 25 to support it.Let's take a look at the first method:#-*-Encoding: gb2312 -*-Import OS, sys, String, socketImport smtplib Class smtp_ssl (smtplib. SMTP ):Def _ init _ (self, host = '', Port = 465, local_hostname = none, key = none, Cert = none ):Self. Cert

In real life, logging is important. Bank transfer will have a record of the transfer, the aircraft during the flight, there will be a black box (flight data logger) to record everything during the flight. If there are any problems, people can use log data to figure out what exactly happened. Logging is equally important for system development, commissioning, and operation. Without logging, you can hardly figure out what's going on when the program crashes. For example, logging is necessary when

The previous article was about the simple implementation of the client that sent the data. The next step is how to implement a data server for sending and receiving.The server here is actually a process that waits for any number of clients to establish a connection to respond to their requests.The server must listen for a connection on a known name (IP address and port number in TCP/IP, different protocol addressing scheme and naming method)The first step in creating a server program is to initi

The company applied for a fixed IP address from China Unicom, and then set up a website server in its data center. This server requires its own DNS to access the internet. after The DNS is configured on the server (centos, there is no problem with website access. but I used file_get_contents and other methods on this server... the company applied for a fixed IP address from China Unicom, and then set up a website server in its data center. This server requires its own DNS to access the internet.

[: I], host [I + 1:]Try: port = int (port)Failed T ValueError:Raise socket. error, "nonnumeric port"If not port: port = 654If self. debuglevel> 0: print> stderr, 'connect: ', (host, port)Msg = "getaddrinfo returns an empty list"Self. sock = NoneFor res in socket. getaddrinfo (host, port, 0, socket. SOCK_STREAM ):Af, socktype, proto, canonname, sa = resTry:Self. sock = socket. socket (af, socktype, proto)If

support for loading cached pre-compiled modules. this release improves compatibility with cpython and gives. net developer a better interactive experience. You can download the release from: http://www.codeplex.com/Ironpython/release/projectrelEases. aspx? Releaseid = 2573 We 'd like to thank everyone in the community for your bug reports and suggestions that helped make this a better release: arman0, Anthony Baxter, Christopher baus, Christian Muirhead, coleyc, Diane trout, doubleyewdee, e

System Requirements Apache Ruby Rails We recommend that you use Ruby 1.8.6 one-click installer instead of Ruby 1.8.6 binary, because the latter does not contain the fcgi module, even if you useGem install fcgiInstallation must be compiled before use. If the FCG module is not available, the following error may be reported when Apache starts the FastCGI process: The pipe has been ended.: mod_fcgid: Get overlap result Error Install rails:Gem install rails Install Apache HTT

Python crawler URLError Exception Handling, pythonurlerror1. URLError First, explain the possible causes of URLError: No network connection, that is, the local machine cannot access the Internet The specified server cannot be connected. The server does not exist. In the code, we need to use the try-retry t statement to enclose and capture the corresponding exceptions. The following is an example: 1 #coding:UTF8 2 3 import urllib2 4 5 request = urllib2.Request('http://www.!!!!.com') 6 7

of audit rejection, it is recommended to replace the IPV4 proprietary API with IPV6 's compatible API）。Second 2nd: Apple's official statement iOS9 began to support the transition to IPV6, where ios9.2+ supported the IPV4 address synthesis IPV6 address by getaddrinfo method (The ability to synthesize IPV6 addresses is added to getaddrinfo in IOS 9.2 and OS X 10.11.2）。 The reachability library provided in th