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// sending to sender-client only
socket.emit('message', "this is a test");

// sending to all clients, include sender
io.emit('message', "this is a test");

// sending to all clients except sender
socket.broadcast.emit('message', "this is a test");

// sending to all clients in 'game' room(channel) except sender

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import java.util.concurrent.TimeUnit;

import okio.ByteString;

public class TestOKHttp {
	private static OkHttpClient client;
	private static WebSocket ws;
	private static boolean success = false;

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Use the class ZkAwareFederationAuthenticator in your META-INF/context.xml as described in https://cxf.apache.org/fediz-tomcat.html

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FROM java:8-jdk
MAINTAINER Jumper Chen <jumperchen@potix.com>

ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64

# Config to get to install git, maven, and tomcat7
RUN apt-get update && apt-get install -y --force-yes git maven tomcat7
VOLUME /zksandbox

# copy your zksandbox (depends on where the Dockerfile located) folder

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public class Book {
	private Set<Category> categories = new LinkedHashSet<Category>();
	private String author;
	private String name;
	
	public Book() {}
	public void setCategories(Set<Category> categories) {
		this.categories = categories;
	}
	public Set<Category> getCategories() {

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public class Todo {
	private String message;
	private boolean done;

	public Todo() {}

	public Todo(String message) {
		this.message = message;
	}

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package issue;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.lang.reflect.Method;

import javassist.util.proxy.MethodFilter;

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package org.zkoss.test;

import java.util.Collections;
import java.util.List;

public class ForEachVM {
	private List<Integer> array = Collections.nCopies(30, 30);
	public void setArray(List<Integer> array) {}
	public List<Integer> getArray() {
		return array;

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<script><![CDATA[
	zk.afterMount(function () {
		zk.Desktop._dt.firstChild.appendChild(new GlobalResizeMonitor());
	});
	GlobalResizeMonitor = zk.$extends(zk.Widget, {
		bind_: function () {
			this.$supers('bind_', arguments);
			zWatch.listen({onSize: this});
		},
		unbind_: function () {

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@Tags(tags = "Example")
class ExampleTest extends ZTL4ScalaTestCase {
	
  def testClick() = {
    val zscript = {
      <vbox>
        Click "hello world", if you see the message change, it is ok.
        <zscript><![CDATA[
			public void doCreate(Event evt) {
				evt.target.setValue("    hello,\\n  world");