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C # events, An event is based on a delegate and can provide a publish/subscribe mechanism for any delegate type.Use the event keyword to define a delegate type as an event.The following is an example of an event: // Event publishing class public class PublishEvent {public delegate string Display (string str); public event Display DisplayEvent; // The client code calls this method to trigger the event public void Shows (string str) {if (DisplayEvent! = Null) {DisplayEvent (str) ;}}// event listen

import java.io.*;import java.net.*;class Listen implements Runnable{Socket s;Listen(Socket s){this.s=s;}public void run(){String ip=s.getInetAddress().getHostAddress();while(true){try{BufferedReader br=new BufferedReader(new InputStreamReader(s.getInputStream()));String str=br.readLine();System.out.println(ip+"Client Say:");System.out.println(str);}catch (Exception e){}}}}class Write implements Runnable{Socket s;Write(Socket s){this.s=s;}public void run(){try{while(true){PrintWriter out=new Prin

Events are based on delegates and can provide a publish \ Subscribe mechanism for any kind of delegate type.Use the event keyword to define a delegate type as an event.Here's an example of an event://Event Publishing Class Public classpublishevent { Public Delegate stringDisplay (stringstr); Public EventDisplay displayevent; //the client code triggers the event by calling this method Public voidShows (stringstr) { if(Displayevent! =NULL) {displayevent (str); }

Apache Optimization:Modify configuration file: httpd.confThe version number is not displayed:Description: In general, the use of site points, advantages: securityPort-based virtual Host: (Add a listening port in the following two profiles)Master configuration file:/application/apache/conf/httpd.confExtension Profile:/application/apache/conf/extra/httpd-vhosts.conf:/listen1. Use the Vim editor to search for listen and add ports below listen 802. Then r

Tags: This warning part ash ble causes solution multicore listen1. Multi-core system resource allocation 2017-10-13t17:57:02.650+0800 I CONTROL [initandlisten] * * Warning:you is running on a NUMA machine. 2017-10-13t17:57:02.650+0800 I CONTROL [initandlisten] * * We suggest launching mongod like this to avoid performance probl EMS: 2017-10-13t17:57:02.650+0800 I CONTROL [initandlisten] * * Numactl--interleave=all Mongod [Other options] Just like in

Tags: min ges host ack telnet ports requires BHO listen1,TNSConnection ErrorMy colleague told me to connect to the Oracle database error ORA-12514:TNS: The listener currently does not recognize the service requested in the connection descriptor as follows:2, view localtnspingTo view the local TNS configuration: WXX =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.121.58) (PORT = 1521))(Connect_data =(SERVER = dedicated)(servi

In androidui layout, XML is usually used to layout controls. This is convenient and intuitive, but sometimes it needs to be dynamically generated, here are two simple examples to illustrate how to dynamically add controls: 1. dynamically add two vertical buttons @ Override Final linearlayout layout2 = new linearlayou (this ); Define a linearlayout. The parameter is "context" here, that is, "this ". Layout2.setorientation (linearlayout. Vertical ); Set the layout format to vertical in vertical

Name Tangtian Time 2016-06-30 Today's content On the fourth day of software development, two bug fixes were first made today. After adding the time display function, the private chat cannot be done normally. The problem lies in:The service side identifies the sending object of the private chat message by identifying the ":", adding the time after the ":" Location changes, not the correct nickname.Workaround: Add the identifier after

1.ActionEven Eventstext boxes, buttons, menu items, password boxes, radio buttons can all go actionevent eventsUseaddActionListener (ActionListener listen1)To register the monitorActionListener was originally an interface, and we had to write a class (or other interface) to implement it the only wayactionperformed (ActionEvent e)Here e is the event source to give the method a parameter, the ActionEvent class has two methods Public Object GetSource ();

*******************************************************************************/8#include 9#include Ten One intBindintSOCKFD,Const structSockaddr *addr, socklen_t Addrlen);(3) Function listen1 /*****************************************************************************2 * * Function: Use sockets to listen for incoming connections3 * * Parameter: Socket returned by SOCKFD socket function4 * * Backlog Specifies the maximum number of connections that

Install response rpm Runinstaller Sshsetup stage welcome.html[Email protected] database]$./Runinstaller[Email protected] ~]# sh/u01/app/orainventory/orainstroot.sh[Email protected] ~]# sh/u01/app/oracle/product/11.2.0/db_1/root.shCreate a listening service (acting as an Oracle Server for other Oracle clients to connect to this Oracle server)Start the database, and listen1. #su-oracle Switch to an Oracle user and switch to its environment2. $lsnrctl S