Why doesn't this i phone (5c) give me automatic audible notice of an e mail ? audible
Why doesn't this i phone (5c( give me automatic audible notice of an email ?
Michele,
Launch Settings / Notifications Center. There you can alter how the system notifies you. Then scroll down to Mail and adjust its specific notification type.
Also make sure that the Alert sound is turned up in the Sounds portion of Settings.
-Alan
Similar Messages
-
Why doesn't this update work? Can't I sum up two select count(*) in such a subquery?
Thanks
update sales T
set T.field2 = ((select count(*)
from sales t
where t.field1 = trunc(sysdate)) + (select count((*)
from sales t2
where t2.field2 is null));
I get
ERROR at line 4:
ORA-00907: missing right parenthesis
with the * under the +
In other words I want to run
update sales set field = ((select count(*) ..... ) + (select count(*) ..... ))
Edited by: Mark1970 on 26-mar-2010 1.37
Edited by: Mark1970 on 26-mar-2010 1.38My problem is to undestand why I got a syntax error about parenthesis.Because you cannot perform arithmatic operation with a value coming from a subquery in a SET clause of UPDATE
SQL> update emp
2 set sal=(select 1 from dual)+1;
set sal=(select 1 from dual)+1
ERROR at line 2:
ORA-00933: SQL command not properly ended
SQL> select sal from emp
2 where deptno=(select 10 from dual)+10;
SAL
800
2975
3000
1100
3000
SQL> select deptno,sal from emp
2 where deptno=(select 10 from dual)+10;
DEPTNO SAL
20 800
20 2975
20 3000
20 1100
20 3000Try such few examples..
Twinkle -
Hey, every SMS program that runs on a standard computer (I mean rather than a tablet computer) that I've ever seen won't let us send SMS text messages to short codes--such as a radio station at 57500 or whatever. My phone can do it, so why not here? So Verizon, will you please upgrade it so that it will do that?
Also, the same question goes for international numbers (yes, the site would make our account pay for those, right?), where 011 and then a country code longer than 1 digit (like longer than our 1 here) are needed. My phone can do it, so why not here? So Verizon, will you please upgrade it so that it will do that, too?MaxxFordham wrote:
Haha, OH! I didn't notice that whole "Verizon Wireless" limitation before. Huh.... Oh wait, so you're saying that sending them from the website is free then, huh? That's interesting.
Yes, messaging done on the Verizon site does not go against your allowance. The phone number you put in is so the recipient will know who it is from and can respond. If they respond to your phone number, and you get the text on your phone, that would be charged to your phone. I believe if you use a nickname, it will be sent to [email protected] and not go through your phone number. -
Networking - Why Doesn't This Work?
Hey all
Just wondering if any of you have any ideas why this code isn't working properly - for the Client to connect the Server has to be restarted. Is there a solution to this problem?
The Client Class:
import java.awt.Container;
import java.awt.Color;
import java.awt.Font;
import java.awt.FlowLayout;
import java.awt.Dimension;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JColorChooser;
import javax.swing.ButtonGroup;
import javax.swing.Box;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.BoxLayout;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.JLabel;
import javax.swing.JComboBox;
import javax.swing.JOptionPane;
import javax.swing.JRadioButton;
import java.io.*;
import java.net.*;
* This is the user class and holds all the details for the GUI. The gui contains listeners
* ans it sends messages to the server and also recieves messages from the server. This class
* works primarily with the ClienttoServer class.
* Help was used to create this class, mainly from the Java GUI devlopment book by Varan Piroumian
* as this hsowed the basic components needed to create a GUI and which imports were the most essential
* in order to have an interactive interface for the chat application.
public class Client extends JFrame implements ActionListener
private static final long serialVersionUID = 1L;
private JTextArea conversationDisplay;
private JTextField createMsg, hostfield, portnumfd, usernamey;
private JScrollPane scrolly;
private JLabel hosty, portnum, convoLabel, msgLabel, netwrk, netwrk2, talk2urself, fonts, nickName, ustatus, econs;
private JPanel lpanel, rpanel, lpanel1, lpanel2, lpanel3, lpanel4, lpanel5, rpanel1, rpanel2, rpanel3, rpanel4, rpanel5;
private JButton sendMsgButton, colourButton, exitButton, connect, dropconnection;
private JRadioButton talk2urselfOn, talk2urselfOff;
private JComboBox fontcombiBox, statusbox, emoticons;
private JColorChooser colourchoo;
private Container theWholeApp;
private String username;
private PrintWriter writer;
private Socket socky;
//for the self comm button
private boolean talktoself = true;
//used as when a msg is sent to the server the name & msg are sent in 2 parts (\n function) i.e
//2 different messages. So in self comm mode then the next message needs to be ignored
private boolean ignoreyourself = false;
* The Constructor or the class
public Client()
makeGUI();
System.out.println("Loading the GUI....");
* Creates the GUI for the user to see/use
public void makeGUI()
//create the whole window
JFrame.setDefaultLookAndFeelDecorated(true);
//set the title of the whole app
this.setTitle("Welcome To Elliot's Chat Network...");
//set the app window size
this.setSize(600, 575);
//create the outer container for the app
theWholeApp = getContentPane();
//make new gridbag layout
GridBagLayout layoutgridbag = new GridBagLayout();
//create some restraints for this...
GridBagConstraints gbconstraints = new GridBagConstraints();
//make the app use this gridbag layout
theWholeApp.setLayout(layoutgridbag);
//this is where elements are added into the application's window
//creates and adds the convo label
convoLabel = new JLabel("Your Conversation:");
gbconstraints = new GridBagConstraints();
gbconstraints.gridx = 0;
gbconstraints.gridy = 0;
gbconstraints.gridheight = 1;
gbconstraints.gridwidth = 1;
gbconstraints.weightx = 5;
gbconstraints.weighty = 1;
gbconstraints.anchor = GridBagConstraints.WEST;
layoutgridbag.setConstraints(convoLabel, gbconstraints);
theWholeApp.add(convoLabel);
//create & add the exit button
exitButton = new JButton("Exit");
gbconstraints = new GridBagConstraints();
gbconstraints.gridx = 10;
gbconstraints.gridy = 0;
gbconstraints.gridheight = 1;
gbconstraints.gridwidth = 1;
gbconstraints.weightx = 1;
gbconstraints.weighty = 1;
gbconstraints.anchor = GridBagConstraints.EAST;
layoutgridbag.setConstraints(exitButton, gbconstraints);
theWholeApp.add(exitButton);
exitButton.addActionListener(this);
//create & add the txt area
conversationDisplay = new JTextArea(15,15);
scrolly = new JScrollPane(conversationDisplay);
gbconstraints = new GridBagConstraints();
gbconstraints.gridx = 0;
gbconstraints.gridy = 1;
gbconstraints.gridheight = 4;
gbconstraints.gridwidth = 11;
gbconstraints.weightx = 10;
gbconstraints.weighty = 20;
gbconstraints.anchor = GridBagConstraints.WEST;
gbconstraints.fill = GridBagConstraints.BOTH;
gbconstraints.insets = new Insets(10, 10, 15, 15);
//so the clients cant write in the display area...
conversationDisplay.setEditable(false);
layoutgridbag.setConstraints(scrolly, gbconstraints);
theWholeApp.add(scrolly);
//create & add the nick name area
nickName = new JLabel("Your nick \nthis is required");
gbconstraints = new GridBagConstraints();
gbconstraints.gridx = 0;
gbconstraints.gridy = 5;
gbconstraints.gridheight = 1;
gbconstraints.gridwidth = 1;
gbconstraints.weightx = 5;
gbconstraints.weighty = 1.5;
gbconstraints.anchor = GridBagConstraints.WEST;
gbconstraints.fill = GridBagConstraints.HORIZONTAL;
gbconstraints.insets = new Insets(3, 10, 0, 0);
layoutgridbag.setConstraints(nickName, gbconstraints);
theWholeApp.add(nickName);
//create & add the nick name box
usernamey = new JTextField(10);
gbconstraints = new GridBagConstraints();
gbconstraints.gridx = 0;
gbconstraints.gridy = 6;
gbconstraints.gridheight = 1;
gbconstraints.gridwidth = 1;
gbconstraints.weightx = 1;
gbconstraints.weighty = 1;
gbconstraints.anchor = GridBagConstraints.WEST;
gbconstraints.fill = GridBagConstraints.HORIZONTAL;
gbconstraints.insets = new Insets(0, 10, 0, 0);
layoutgridbag.setConstraints(usernamey, gbconstraints);
theWholeApp.add(usernamey);
//create & add the your message label
msgLabel = new JLabel("Your Message:");
gbconstraints = new GridBagConstraints();
gbconstraints.gridx = 0;
gbconstraints.gridy = 7;
gbconstraints.gridheight = 1;
gbconstraints.gridwidth = 1;
gbconstraints.weightx = 1;
gbconstraints.weighty = 1;
gbconstraints.anchor = GridBagConstraints.WEST;
gbconstraints.fill = GridBagConstraints.BOTH;
gbconstraints.insets = new Insets(0, 10, 0, 0);
layoutgridbag.setConstraints(msgLabel, gbconstraints);
theWholeApp.add(msgLabel);
//create & add the create message box
createMsg = new JTextField(15);
gbconstraints = new GridBagConstraints();
gbconstraints.gridx = 0;
gbconstraints.gridy = 8;
gbconstraints.gridheight = 2;
gbconstraints.gridwidth = 10;
gbconstraints.weightx = 10;
gbconstraints.weighty = 1;
gbconstraints.anchor = GridBagConstraints.WEST;
gbconstraints.fill = GridBagConstraints.HORIZONTAL;
gbconstraints.insets = new Insets(3, 10, 0, 0);
layoutgridbag.setConstraints(createMsg, gbconstraints);
theWholeApp.add(createMsg);
createMsg.addActionListener(this);
createMsg.setActionCommand("Press Enter!");
//create & add the send message button
sendMsgButton = new JButton("Send Msg");
gbconstraints = new GridBagConstraints();
gbconstraints.gridx = 10;
gbconstraints.gridy = 8;
gbconstraints.gridheight = 1;
gbconstraints.gridwidth = 1;
gbconstraints.weightx = 1;
gbconstraints.weighty = 1;
gbconstraints.anchor = GridBagConstraints.EAST;
layoutgridbag.setConstraints(sendMsgButton, gbconstraints);
theWholeApp.add(sendMsgButton);
sendMsgButton.addActionListener(this);
//create & add the left panel
lpanel = new JPanel();
gbconstraints = new GridBagConstraints();
gbconstraints.gridx = 0;
gbconstraints.gridy = 10;
gbconstraints.gridheight = 3;
gbconstraints.gridwidth = 4;
gbconstraints.weightx = 5;
gbconstraints.weighty = 0;
gbconstraints.anchor = GridBagConstraints.WEST;
gbconstraints.insets = new Insets(0, 10, 0, 0);
layoutgridbag.setConstraints(lpanel, gbconstraints);
theWholeApp.add(lpanel);
//create & add the right panel
rpanel = new JPanel();
gbconstraints = new GridBagConstraints();
gbconstraints.gridx = 5;
gbconstraints.gridy = 10;
gbconstraints.gridheight = 3;
gbconstraints.gridwidth = 4;
gbconstraints.weightx = 5;
gbconstraints.weighty = 0;
gbconstraints.anchor = GridBagConstraints.EAST;
layoutgridbag.setConstraints(rpanel, gbconstraints);
theWholeApp.add(rpanel);
//add to the left JPanel - set the layout for this
lpanel.setLayout(new BoxLayout(lpanel, BoxLayout.Y_AXIS));
//add panels into this left panel...
lpanel1 = new JPanel();
lpanel2 = new JPanel();
lpanel3 = new JPanel();
lpanel4 = new JPanel();
lpanel5 = new JPanel();
lpanel.add(lpanel1);
lpanel.add(lpanel2);
lpanel.add(lpanel3);
lpanel.add(lpanel4);
lpanel.add(lpanel5);
//set FlowLyout for each of these panels
lpanel1.setLayout(new FlowLayout(FlowLayout.LEFT));
lpanel2.setLayout(new FlowLayout(FlowLayout.LEFT));
lpanel3.setLayout(new FlowLayout(FlowLayout.LEFT));
lpanel4.setLayout(new FlowLayout(FlowLayout.LEFT));
lpanel5.setLayout(new FlowLayout(FlowLayout.LEFT));
//add in the network items...
netwrk = new JLabel("Network Details:");
lpanel1.add(netwrk);
//create and add instructions for this
netwrk2 = new JLabel("Please enter the details for \nthe person you want to chat to...");
lpanel2.add(netwrk2);
//create/add the ip addy label
hosty = new JLabel("Host:");
lpanel3.add(hosty);
lpanel3.add(Box.createRigidArea(new Dimension(5,0)));
hostfield = new JTextField("Enter Hostname",10);
lpanel3.add(hostfield);
//port num next
portnum = new JLabel("Port Number:");
lpanel4.add(portnum);
lpanel4.add(Box.createRigidArea(new Dimension(5, 0)));
portnumfd = new JTextField("2250", 10);
lpanel4.add(portnumfd);
//create & add the connect butt
connect = new JButton("Connect");
lpanel5.add(connect);
dropconnection = new JButton("Disconnect");
lpanel5.add(dropconnection);
connect.addActionListener(this);
dropconnection.addActionListener(this);
//start the creation of the right hand panel.
rpanel.setLayout(new BoxLayout(rpanel, BoxLayout.Y_AXIS));
//create the panels again
rpanel1 = new JPanel();
rpanel2 = new JPanel();
rpanel3 = new JPanel();
rpanel4 = new JPanel();
rpanel5 = new JPanel();
rpanel.add(rpanel1);
rpanel.add(rpanel2);
rpanel.add(rpanel3);
rpanel.add(rpanel4);
rpanel.add(rpanel5);
rpanel1.setLayout(new FlowLayout(FlowLayout.LEFT));
rpanel2.setLayout(new FlowLayout(FlowLayout.LEFT));
rpanel3.setLayout(new FlowLayout(FlowLayout.LEFT));
rpanel4.setLayout(new FlowLayout(FlowLayout.LEFT));
rpanel5.setLayout(new FlowLayout(FlowLayout.LEFT));
//now start putting things into them again
//add in the font settings
String[] fonty = {"Normal", "Bold", "Italic"};
fonts = new JLabel("Set your text style:");
fontcombiBox = new JComboBox(fonty);
rpanel2.add(fonts);
rpanel2.add(Box.createRigidArea(new Dimension(4,0)));
rpanel2.add(fontcombiBox);
//default text will be plain..
fontcombiBox.setSelectedIndex(0);
String[] userstatus = {"Online", "Away", "Be Right Back", "Busy", "Out To Lunch", "On The Phone"};
ustatus = new JLabel("Select a status:");
statusbox = new JComboBox(userstatus);
rpanel2.add(ustatus);
rpanel2.add(Box.createRigidArea(new Dimension(2,0)));
rpanel2.add(statusbox);
//add in some emotion to the conversations
String[] emotion = {"Angry", "Happy", "Sad", "Crying", "Shocked", "Laughing", "Laughing My Ass Off!"};
econs = new JLabel("Select an emoticon:");
emoticons = new JComboBox(emotion);
rpanel3.add(econs);
rpanel3.add(Box.createRigidArea(new Dimension(3,0)));
rpanel3.add(emoticons);
//self comm options
talk2urself = new JLabel("Set Self Communication Mode:");
rpanel4.add(talk2urself);
talk2urselfOn = new JRadioButton("On", true);
rpanel4.add(talk2urselfOn);
rpanel4.add(Box.createRigidArea(new Dimension(4, 0)));
talk2urselfOff = new JRadioButton("Off", false);
rpanel4.add(talk2urselfOff);
//create a group that will hold both these buttons together
ButtonGroup groupy = new ButtonGroup();
//add them to the group
groupy.add(talk2urselfOn);
groupy.add(talk2urselfOff);
//create and add the change backgrd button
colourButton = new JButton("Alter Background");
rpanel5.add(colourButton);
//add in some listeners
talk2urselfOn.addActionListener(this);
talk2urselfOff.addActionListener(this);
fontcombiBox.addActionListener(this);
colourButton.addActionListener(this);
statusbox.addActionListener(this);
//add in the 'X' button in the top right corner of app
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//put all elements together
this.pack();
//show the GUI for the user..
this.show();
* Creates a new client and GUI as its the main method
public static void main(String args[])
new Client();
* This method listens for actions selected by the user and then performs the
* necessary tasks in order for the correct events to take place...!
* This method was mainly created thanks to the Developing Java GUI book which has already
* been mentioned as it covers listeners and event handling...
public void actionPerformed(ActionEvent event)
//if the send button is clicked or if hard carriage return after message
if((event.getSource() == (sendMsgButton)) || (event.getSource().equals(createMsg)))
//if theres no text dont send message
if(createMsg.getText().equals(""))
JOptionPane.showMessageDialog(this, "There's no text to send!");
else
String str = createMsg.getText();
printMessage(str);
//if the exit button is clicked
if(event.getSource() == (exitButton))
//quit the chat app
JOptionPane.showMessageDialog(this, "Thanks For Using Elliot's Chat Network! \nSee You Again Soon!");
System.exit(0);
//if the self comm option is turned on
if(event.getSource() == (talk2urselfOn))
talktoself = true;
JOptionPane.showMessageDialog(this, "You have begun self communication \nmessages you send are now displayed");
//if the self comm option is turned off
if(event.getSource() == (talk2urselfOff))
talktoself = false;
JOptionPane.showMessageDialog(this, "You have stopped self communication \nmessages you send are no longer displayed");
//for the normal font option
if(fontcombiBox.getSelectedItem().equals("Plain"))
//makes a new font style plain...
conversationDisplay.setFont(new Font("simple", Font.PLAIN, 12));
createMsg.setFont(new Font("simple", Font.PLAIN, 12));
//for the bold font option
if(fontcombiBox.getSelectedItem().equals("Bold"))
conversationDisplay.setFont(new Font("simple", Font.BOLD, 12));
createMsg.setFont(new Font("simple", Font.BOLD, 12));
//for the italic font option
if(fontcombiBox.getSelectedItem().equals("Italic"))
conversationDisplay.setFont(new Font("simple", Font.ITALIC, 12));
createMsg.setFont(new Font("simple", Font.ITALIC, 12));
* //the status events if they didnt create null points...
if(statusbox.getSelectedItem().equals("Online"))
String status = "<Online>";
printMessage(status);
if(statusbox.getSelectedItem().equals("Away"))
String status = "<Away>";
printMessage(status);
if(statusbox.getSelectedItem().equals("Be Right Back"))
String status = "<Be Right Back>";
printMessage(status);
if(statusbox.getSelectedItem().equals("Busy"))
String status = "<Busy>";
printMessage(status);
if(statusbox.getSelectedItem().equals("Out To Lunch"))
String status = "<Out To Lunch>";
printMessage(status);
if(statusbox.getSelectedItem().equals("On The Phone"))
String status = "<On The Phone>";
printMessage(status);
//the emoticons events...
if(emoticons.getSelectedItem().equals("Angry"))
String status = "<Angry>";
printMessage(status);
if(emoticons.getSelectedItem().equals("Sad"))
String status = "<Sad>";
printMessage(status);
if(emoticons.getSelectedItem().equals("Shocked"))
String status = "<Shocked>";
printMessage(status);
if(emoticons.getSelectedItem().equals("Happy"))
String status = "<Happy>";
printMessage(status);
if(emoticons.getSelectedItem().equals("Crying"))
String status = "<Crying>";
printMessage(status);
if(emoticons.getSelectedItem().equals("Laughing"))
String status = "<Laughing>";
printMessage(status);
if(emoticons.getSelectedItem().equals("Laughing My Ass Off!"))
String status = "<Laughing My Ass Off!>";
printMessage(status);
//if the colour button is clicked
if(event.getSource() == colourButton)
//create a new colour chooser
colourchoo = new JColorChooser();
//create the dialog its shown in
JColorChooser.createDialog(colourButton, "Choose your background colour", true, colourchoo, this, this);
//now show the dialog
Color col = JColorChooser.showDialog(sendMsgButton, "Choose your background colour", Color.GRAY);
//when a colour is chosen it becomes the bg colour
theWholeApp.setBackground(col);
rpanel1.setBackground(col);
rpanel2.setBackground(col);
rpanel3.setBackground(col);
rpanel4.setBackground(col);
rpanel5.setBackground(col);
lpanel1.setBackground(col);
lpanel2.setBackground(col);
lpanel3.setBackground(col);
lpanel4.setBackground(col);
lpanel5.setBackground(col);
//if the connect button is clicked
if(event.getSource() == (connect))
//get the txt entered into ip addy field & port num fields with a text check...
if(hosty.getText().equals("") || portnumfd.getText().equals("") || nickName.getText().equals(""))
JOptionPane.showMessageDialog(this, "You cant connect! \nThis is because the either the \n0 - HostName\n 0 - Port Number \n0 - Your Nick \nIs Missing...");
else
//get details and connect
username = nickName.getText();
String ipay = hostfield.getText();
String porty = portnumfd.getText();
connectto(ipay,porty);
* This method is similar to an append method in that it allows msgs recieved by the server to
* be displayed in the conversation window. It also deals with the self comm mode as if its disabled
* then no messages from the sender will be displayed.
public void moveTextToConvo(String texty)
//check
if(ignoreyourself == true)
ignoreyourself = false;
else
//If self comm is on the send message as normal
if(talktoself)
conversationDisplay.setText(conversationDisplay.getText() + texty);
else
//check message isnt sent by the current client - if it is ignore it!
if(texty.startsWith(nickName.getText()))
ignoreyourself = true;
else
conversationDisplay.setText(conversationDisplay.getText() + texty);
//allows the scroll pane to move automatically with the conversation
conversationDisplay.setCaretPosition(conversationDisplay.getText().length());
* This method (connectto) is called if the button's clicked and also sets up a relation
* between the client and clienttoserver class
public void connectto(String ipa,String portNO)
//portNO needs to be changed from string to int
int portNum = new Integer(portNO).intValue();
try
//creates a socket
socky = new Socket(ipa, portNum);
writer = new PrintWriter(socky.getOutputStream(), true);
ClienttoServer cts = new ClienttoServer(socky, this);
cts.runit();
//give user a prompt
JOptionPane.showMessageDialog(this, "You're now connected!");
catch(UnknownHostException e)
System.err.println("Unknown host...");
//prompt the user
JOptionPane.showMessageDialog(this, "Failed to connect! \nPlease try again...");
catch(IOException e)
System.err.println("Could Not Connect!");
//prompt user
JOptionPane.showMessageDialog(this, "Error! \nCould not connect - please try again!");
* This method sends msgs from current client to server, sends username and then the message.
* This is split into two different messages as the "\n" is used.
public void printMessage(String mess)
writer.println(usernamey.getText() + " says: \n" + mess);
//then clear the text in the message creation area...
createMsg.setText("");
* Accessor method to retrieve userName
public String getUName()
return username;
* Disconnect this user from the server so that they can no longer recieve/send messages
public void dropconnection()
try
//Start to close everything - informing user
writer.close();
socky.close();
//Give the user info on whats happening
JOptionPane.showMessageDialog(this, "You are now disconnected \nYou will no longer be able to \nsend and recieve messages");
System.out.println("A user has left the conversation...");
catch (IOException e)
System.err.println("IOException " + e);
The Server Class:
import java.net.*;
import java.io.*;
* This class works in sync with the ServertoClient class in order to read
* messages from clients and then send back out to all the active clients. Due to
* the usage of threading multiple clients can use this server.
* Once again some of this code is from Florians 2005 tutorial work.
public class Server
private ServerSocket server;
private ServertoClient threads[];
private static int portNo = 2250;
private static String Host = ""; //find method to retrieve ip
private int maxPeeps = 20; //20 people can talk together but this can be altered
* 1st Constructor - has no params
public Server()
* 2nd Constructor - allows for port number setting
public Server(int portnumber)
portNo = portnumber;
* 3rd Constructor - allows for port number & max users
public Server(int portnumber, int maxiusers)
portNo = portnumber;
maxPeeps = maxiusers;
* This method is to constantly listen for possible messages from clients
public void listener()
//set the time out of method to just under a minute
final int waitingTime = 500000000;
//a boolean variable to keep it waiting
boolean keepWait = true;
//create a threads array of length maxpeeps
threads = new ServertoClient[maxPeeps];
//define a variable that will be used as a count of the no of threads
int x = 0;
try
//open a new socket on this port number
server = new ServerSocket(portNo);
catch (IOException e)
System.err.println("IOException " + e);
return;
//while the keepWait is true and the no. of threads is less than the max...
while(keepWait && x < maxPeeps)
try
//set the timeout, this is the waitingTime (50 secs)
server.setSoTimeout(waitingTime);
//listen for connection to accept
Socket socky = server.accept();
System.out.println("A New User Has Connected");
//creates a new thread and adds it to array
threads[x] = new ServertoClient(this, socky);
//the thread begins
threads[x].start();
catch (InterruptedIOException e)
System.err.println("The Connection Timed Out...");
keepWait = false;
catch (IOException e)
System.err.println("IOException " + e);
x++; //increment no. of threads
//if waitingTime is reached or there are too many threads then server closes
try
server.close();
catch(IOException e)
System.err.println("IOException " + e);
return;
* This prints the string to all active threads
public void printAll(String printy)
for(int x = 0; x < threads.length; x++)
if(threads[x] !=null && threads[x].isAlive())
threads[x].sendMsg(printy);
* Main method for the server, creates a new server and then continues to listen
* for messages from different users
public static void main(String[] args)
Server chatsession = new Server();
System.out.println("The Server Is Now Running on port NO: " + portNo);
System.out.println("And IP Address: " + Host);
chatsession.listener();
[/code
The ServertoClient Classimport java.lang.Thread;
import java.net.*;
import java.io.*;
* This is the ClienttoServer class that acts as an intermediary between the server
public class ClienttoServer extends Thread
private Socket socky;
private BufferedReader bready;
private boolean active;
private Client client;
* This is the constructor to create a new client service
public ClienttoServer(Socket socket, Client cli)
socky = socket;
active = false;
client = cli;
//try to read from the client
try
bready = new BufferedReader(new InputStreamReader(socky.getInputStream()));
catch (IOException e)
System.err.println("IOException " + e);
* This method reads in from the client
public void runit()
active = true;
while(active == true)
{//continue to read in and then change the text in the conversation window
try
String message = bready.readLine();
client.moveTextToConvo(message + "\n");
catch (IOException e)
System.err.println("IOException " + e);
active = false;
And finaly the servertoclient class
import java.net.*;
import java.io.*;
import java.lang.Thread;
* This clas provides the services that the server uses
public class ServertoClient extends Thread
private Socket socky;
private Server server;
private BufferedReader bready;
private PrintWriter writer;
* This constructor sets up the socket
public ServertoClient(Server theServer, Socket theSocket)throws IOException
socky = theSocket;
server = theServer;
//sets up the i/o streams
writer = new PrintWriter(socky.getOutputStream(), true);
bready = new BufferedReader(new InputStreamReader(socky.getInputStream()));
* This method keeps listening until user disconnects
public void run()
boolean keepRunning = true;
try
//keep listening 'til user disconnects
while(keepRunning = true)
final String tempmsg = bready.readLine();
//is there a message (if yes then print it!)
if(tempmsg == null)
else
server.printAll(tempmsg);
dropconnection();
catch (IOException e)
System.err.println("IOException in thread " + Thread.currentThread() + ": " + e);
* This method is for when a user disconnects from the server...
public void dropconnection()
try
bready.close();
writer.close();
socky.close();
catch (IOException e)
System.err.println("IOException in thread " + Thread.currentThread() + ": " + e);
System.out.println("A User Has Disconnected...");
* This method prints the message
public void sendMsg(String msg)
writer.println(msg);
}Thats it any help would be much appreciated
Cheers.Like the previous poster indicated: try to find a minimal example that shows the error your experiencing.
One thing that seems bogus is the Server.listener() method. For one thing, it can increment x even if no new connection has been established (e.g., x will be incremented if an exception is caught). -
Erratic file naming. Why doesn't this work?
The Finder allows certain names for files and folders sometimes, but then doesn't allow them at other times. What's happenig? Here's an example. I created a folder with this name: "National Geog> Africa (4 parts, 1hr each)" with no problem. Later I wanted to change the "4" to a "6". Sounds simple enough. I highlighted the 4 and typed the 6—but the Finder rejected that simple change, with this message: The [new name] cannot be used. Try using another name, with fewer characters or no punctuation marks."
Why would it like the name with a 4 in it, but not like the name with a 6 instead of the 4?
I can provide this much a clue. The folder resides on an external LaCie hard disk. I don't recall how that particular folder got there, but I have discovered I can create a folder with the desired name on my desktop and then successfully copy it to my external disk with no problem. But I cannot create the folder on the external disk in give it the desired name (I get the error message), nor can I change an existing folder name on the external disk to that name.
This is not the world's worst problem, but if anyone has any comments about this, I'd appreciate them.Strange...when I create a folder on my desktop with that exact name I can change the 4 to a 6 perfectly fine. Are you able to change the name to other things?
Are you able to create new files on the disk, or are you only able to copy files to it via the finder? -
I make 10-15 stops in downtown Houston occasionally. The Houston Metro provides an app named "Houston TRIP". It's for the iPhone. I downloaded it for my iPod 5, but iTunes give an error message something like "Cannot install this app because it is not for this iPod." This app is one of several reasons I bought the iPod. I was assured the iPod would accept and run all iphone apps except those that used the telephone function. This app makes no phone calls -- it simply connects you with the Metro website and allows you to find bus routes from point to point. Since I can't load it, it may do other Metro things but finding bus routes is it's primary purpose.
Anybody know why it's incompatible with a current iPod, yet works on an iPhone? Also, there many iPhone apps that don't use the phone function yet won't work on the iPad?The requirements for that app are as follows. Note it requires a cellular connection and the iPod does not have one.
Requirements: Compatible with iPhone 3G, iPhone 3GS, iPhone 4, iPhone 4S, iPhone 5, iPad Wi-Fi + 3G, iPad 2 Wi-Fi + 3G, iPad Wi-Fi + 4G, iPad Wi-Fi + Cellular (4th generation) and iPad mini Wi-Fi + Cellular. Requires iOS 3.1 or later
From:
https://itunes.apple.com/us/app/id532621754?mt=8 -
Why doesn't this insert into XMLTYPE work?
Hi again. Hopefully I'll be answering questions soon, but meanwhile I've got another one.
I'm working in this environment...
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
The encoding for the database is WE8ISO8859P1.
in SQL Plus. I created a table with an XMLTYPE column stored as binary. Here's the desc...
PS: BWDSTG> desc bwddoc;
Name Null? Type
SUNAME VARCHAR2(100)
SOURCE_DOC_TEXT CLOB
DOC_TEXT SYS.XMLTYPE STORAGE BINARY
LAST_UPDATE_DATE DATE
PS: BWDSTG>
The following error also occurred when I created the same table with a storage type of CLOB for DOC_TEXT. Here's the error I can't figure out...
PS: BWDSTG> insert into bwddoc (doc_text) values ('<?xml version="1.0" encoding="UTF-8"?>
2 <a>–</a>
3 ');
insert into bwddoc (doc_text) values ('<?xml version="1.0" encoding="UTF-8"?>
ERROR at line 1:
ORA-31011: XML parsing failed
ORA-19202: Error occurred in XML processing
LPX-00217: invalid character 8211 (U+2013)
Error at line 2
It accepts the command if I replace the – with plain text. Why does it care what the character entity reference is? It's changing the encoding pseudoattribute in the xml declaration to US-ASCII anyway, and this character entity should be perfectly acceptable. I'd appreciate it if anyone knows the reason for this (or what I'm not understanding, which as always is a distinct possibility).Sorry, let me try again. SQLPlus doesn't have a problem with the multiple lines, so I'm just trying to insert the XML.
PS: BWDSTG> insert into bwddoc (doc_text) values (xmltype('<?xml version="1.0" encoding="US-ASCII"?>
2 <a>—</a>
3 '));
insert into bwddoc (doc_text) values (xmltype('<?xml version="1.0" encoding="US-ASCII"?>
ERROR at line 1:
ORA-31011: XML parsing failed
ORA-19202: Error occurred in XML processing
LPX-00217: invalid character 8212 (U+2014)
Error at line 2
ORA-06512: at "SYS.XMLTYPE", line 310
ORA-06512: at line 1
My problem is that...
<?xml version="1.0" encoding="US-ASCII"?>
<a>—</a>
should be perfectly good HTML. libxml2 and expat both have no problem parsing it. They just leave — (which is some kind of a dash) alone. But Oracle XMLType doesn't like it for some reason. I need to load a lot of data that has numeric character entities like this but I can't 'til I get this resolved. -
Why doesn't this program compile?
Compiling this program:
public class Foo<T> {
private final Class<T> type;
public Foo(Class<T> type) {
this.type = type;
public T cast(Object obj) {
return this.type.cast(obj);
public void handle(T obj) {
static void apply(Foo<?> foo, Object obj) {
foo.handle(foo.cast(obj));
}gives this error:
Foo.java:12: handle(capture#31 of ?) in Foo<capture#31 of ?>
cannot be applied to (java.lang.Object)
foo.handle(foo.cast(obj));
^But this seems bogus. Obviously the result of foo.cast(obj) (generic type T) should be compatible with handle(), which takes a T.
Am I missing something or is this a compiler bug (or limitation)?
This is on openSuSE 11.1:
$ javac -version
javac 1.6.0_0
$ rpm -qf /usr/lib/jvm/java-1.6.0-openjdk/bin/javac
java-1_6_0-openjdk-devel-1.6_b16-0.1.3Thanks for any insights.endasil wrote:
alc wrote:
Thank you, this I understand... though it's a little disappointing the compiler can't make the simple inference required. I guess that would require data flow analysis.Which is easier said than done, and sometimes impossible.
Imagine you changed Foo thusly:
static Foo<?> foo = new Foo<String>(String.class);
static void apply(Object obj) {
foo.handle(foo.cast(obj));
}And then used it like this:
public class GT7 {
public static void main(String[] args) {
new Thread(new Runnable() {
public void run() {
Foo.foo = new Foo<Integer>(Integer.class);
}).start();
Foo.apply("Hello!");
}How's the compiler supposed to figure that one out?Yes, if there is a race condition the compiler obviously can't assume "foo" won't change. But that's not the case in the original program.. foo is a local variable. A compiler could (with sufficient work) prove this to itself. This is not one of those an impossible Turing-complete scenarios like you sometimes see with "uninitialized variable" errors where the variable actually is always initialized.
I'm not saying that it's necessarily worth the effort to implement this in the compiler. My only point is that this was strictly a language/compiler design choice -- and a reasonable one. But there's also nothing wrong with the "intent" of the program, even if the compiler doesn't "get it". -
drain = true;
onEnterFrame = function(){
if(drain == true){water_mc.waterlv_mc._alpha -= 2;}
if(water_mc.waterlv_mc._alpha < 3){water_mc.waterlv_mc._alpha += 2; drain = !true;}
if(water_mc.waterlv_mc._alpha > 97){drain = true;}
the basic idea is simple, it empties and fills as the frames progress, but It seems to empty and stop when tested. What's going wrong?shintashi,
When code performs in unexpected ways, your best bet is often to do a bit of troubleshooting. One of the quickest, easiest ways to troubleshoot your code is to use the trace() function, which lets you "see" what's going on in your code. For example, try adding the following trace statement to your existing code:
drain = true;
onEnterFrame = function() {
trace(water_mc.waterlv_mc._alpha);
if (drain == true) {
water_mc.waterlv_mc._alpha -= 2;
if (water_mc.waterlv_mc._alpha < 3) {
water_mc.waterlv_mc._alpha += 2;
drain = !true;
if (water_mc.waterlv_mc._alpha > 97) {
drain = true;
When you test your movie again, you'll see the value of waterlv_mc's _alpha property in the Output panel, which might be an eye-opener for you. First, you'll notice that the _alpha property doesn't decrement by 2s, which is one of the quirks of ActionScript 1.0/2.0. The reason for this -- and this is just "one of those things" it's good to know -- is that the _alpha property is stored internally as a value from 0 to 256. The _alpha property "translates" those internal values for you to a range of 0 to 100, which is why the values veer from perfect integers.
This is a bit of a tangent, though, because the real reason waterlv_mc never "refills" is that your if() statements aren't actually set up to accomplish what you want them to. Compare the original code with the following variation:
var drain = true;
onEnterFrame = function() {
trace(water_mc.waterlv_mc._alpha);
if (drain == true) {
water_mc.waterlv_mc._alpha -= 2;
} else {
water_mc.waterlv_mc._alpha += 2;
if (water_mc.waterlv_mc._alpha >= 100) {
drain = true;
if (water_mc.waterlv_mc._alpha <= 0) {
drain = false;
In this case, the first if() statement either decrements or increments (thanks to an else) all in the same statement, depending on the value of drain. First and foremost, you're either decreasing or increasing the value of waterlv_mc's _alpha property. After that, another set of if() statements determines the value of drain. When _alpha is 100 (or higher!) you definitely want to "drain the water," so the drain variable is set to true. On the other hand, when _alpha is 0 (or lower), you want to "refill," so drain is set to false.
Let me know if this makes sense to you!
David Stiller
Contributor, How to Cheat in Adobe Flash CS4
http://tinyurl.com/dpsCheatFlashCS4
"Luck is the residue of good design." -
Why doesn't this simple applescript work any more in ML mail.app (as a rule)
It works only when you right click on the mail message and choose "run rules", but not on incoming messages (without interaction).
The first dialog is shown both when incoming or running manually, but the second dialog (with the id) is only shown when running manually. Nothing is shown in console.log
Any ideas?
using terms from application "Mail"
on perform mail action with messages theMessages for rule theRule
tell application "Mail"
repeat with theMessage in theMessages
display dialog "inside"
set theId to id of theMessage
display dialog "the id is " & theId
end repeat
end tell
end perform mail action with messages
end using terms fromMight it be that any incoming message doesn't have an ID yet ?
Try this:
using terms from application "Mail"
on perform mail action with messages theMessages for rule theRule
tell application "Mail"
repeat with theMessage in theMessages
display dialog "inside"
set theTest to (exists id of theMessage)
display dialog theTest
end repeat
end tell
end perform mail action with messages
end using terms from -
Why doesn't this simple script script work
I'm pretty new to actionscript, I learned it from books, actually I still am.
The script I'll try to work out for my site, worked fine in the lessons of the books.
I don't think my buttons are any different, but why don't they work then.
Can anybody figure this out.
my script :
stop();
whoweare.addEventListener(MouseEvent.MOUSE_UP, onNavigate);
function onNavigate (evt:MouseEvent):Void {
gotoAndPlay("contact");
whatwedo.addEventListener(MouseEvent.MOUSE_UP, onNavigate);
function onNavigate (evt:MouseEvent):Void {
gotoAndPlay("slideshow");
The error : The class or interface 'MouseEvent' could not be loaded.
Help?
Dirkhou,right answer, but it was already fixed,
It seems the problem can hide anywhere, even in the little things.
anyway.
Thank you for the help. -
VirtualBox clipboard issue AKA why doesn't this restart script work?
The host is Windows7, the guest is up-to-date Arch and everything I describe is for guest-to-host or host-to-guest copy and paste. The clipboard within the guest never fails. The VirtualBox Guest configuration has the clipboard set to 'bi-directional.'
I'm starting the clipboard via .xinitrc which includes the following line
VBoxClient-all &
This is what gets launched
oliver 211 1 0 15:33 ? 00:00:00 /usr/bin/VBoxClient --clipboard
It all works perfectly for an indiscriminate amount of time, then suddenly, it stops updating the buffer. If I try to copy/paste anything new, I get the last entry before it stopped working. If I restart it (by killing the process and running VBoxClient --clipboard) it works again for an indiscriminate time. Wash/rinse/repeat.
I wrote a quick script to run from cron but it's having problems
This is the script
#!/usr/bin/bash
PID="$(ps -ef|grep -i "[v]boxclient --clipboard" | awk '{print $2}')"
kill $PID && /usr/bin/VBoxClient --clipboard
exit 0
I watched the cronjob and it appears to be doing what I want but a 'ps' doesn't show it running afterwards
++ grep -i '[v]boxclient --clipboard'
++ awk '{print $2}'
++ ps -ef
+ PID=3158
+ kill 3158
+ /usr/bin/VBoxClient --clipboard
+ exit 0
I'm assuming cron runs the command in a shell that gets destroyed when the cronjob is done or something and this is tearing down the process. I've tried modifying the command with nohup and ampersands to no avail.
A fix for the underlying problem would be great but I'm assuming I'll be waiting on Oracle for that. In the meantime, if I could restart this thing periodically it would help me out a bit.
Any ideas?I have the same problem - VBoxClient stops working and restarting it from cron does not work.
I run this from cron every 10 minutes:
(killall VBoxClient && VBoxClient-all) || VBoxClient-all
and VBoxClient is killed every time but is not launched again. How can you explain it? -
Why doesn't this case statement work?
SELECT
case when PRODUCTS.PRODUCT_NAME in
select case when rank() over(order by ( sum(ag.RX_CNT) ) desc) < 6 then ( p.PRODUCT_NAME ) else 'XXXX' END RankedProduct
FROM
PAP_MONTHLYTIME_DIM m,
PAP_PRESCRIPTIONS_DEMOG_AGG ag,
PRODUCTS p,
PAP_ENROLLMENT_FLAGS_DIM f
WHERE
( m.MONTHLYTIME_DIM_ID = ag.MONTHLYTIME_DIM_ID )
AND ( ag.ENROLLMENT_FLAGS_DIM_ID = f.ENROLLMENT_FLAGS_DIM_ID )
AND ( p.PRODUCT_ID = ag.PRODUCT_DIM_ID )
AND ( f.ACTIVE_FLAG = 'Y' )
AND m.CALENDAR_YEAR_MONTH = '2007-04'
GROUP BY
m.MONTH_END_DATE,
p.PRODUCT_NAME
then
( PRODUCTS.PRODUCT_NAME ) else 'All Other' end as ProdNm,
PRODUCTS.PRODUCT_NAME,
sum(PAP_PRESCRIPTIONS_DEMOG_AGG.RX_CNT)
FROM
PRODUCTS,
PAP_PRESCRIPTIONS_DEMOG_AGG
WHERE
( PRODUCTS.PRODUCT_ID=PAP_PRESCRIPTIONS_DEMOG_AGG.PRODUCT_DIM_ID )
GROUP BY
PRODUCTS.PRODUCT_NAME
The first case statement is not working properly. First off - I know I can do this without the subquery in the case statement, but it's then tied to the Month and I don't want that.
The result set of the subquery contains valid product_names that match EXACTLY (I added LTRIM RTRIM just in case), but the ProdNm field still evaluates to "All Other" for them. If I change the subquery to something basic and remove the rank function, it works, but of course I need that function. My understanding is that it shouldn't matter what function is in the subquery. I thought Oracle would get the result set of the subquery first, then evaluate the case statement based on the result set (the subquery is obviously not correlated).
Any ideas?
Thanks.My understanding is that it shouldn't matter what function is in the subquery. I thought Oracle would get the result set of the subquery first, then evaluate the case statement based on the result set (the subquery is obviously not correlated). It looks like the queries ARE somehow correlated. Consider the two simplified queries:
michaels> SELECT ename, deptno,
CASE
WHEN deptno IN (
SELECT CASE
WHEN ROW_NUMBER () OVER (ORDER BY NULL) < 3
THEN deptno
ELSE 1000
END
FROM dept)
THEN 'Found'
ELSE 'NOT Found'
END FOUND
FROM emp
ORDER BY deptno
ENAME DEPTNO FOUND
CLARK 10 NOT Found
KING 10 NOT Found
MILLER 10 NOT Found
JONES 20 NOT Found
FORD 20 NOT Found
ADAMS 20 NOT Found
SMITH 20 NOT Found
SCOTT 20 NOT Found
WARD 30 NOT Found
TURNER 30 NOT Found
ALLEN 30 NOT Found
JAMES 30 NOT Found
BLAKE 30 NOT Found
MARTIN 30 NOT Found
michaels> SELECT ename, deptno,
CASE
WHEN deptno IN (
SELECT *
FROM (SELECT CASE
WHEN ROW_NUMBER () OVER (ORDER BY NULL) < 3
THEN deptno
ELSE 1000
END
FROM dept))
THEN 'Found'
ELSE 'NOT Found'
END FOUND
FROM emp
ORDER BY deptno
ENAME DEPTNO FOUND
CLARK 10 Found
KING 10 Found
MILLER 10 Found
JONES 20 Found
FORD 20 Found
ADAMS 20 Found
SMITH 20 Found
SCOTT 20 Found
WARD 30 NOT Found
TURNER 30 NOT Found
ALLEN 30 NOT Found
JAMES 30 NOT Found
BLAKE 30 NOT Found
MARTIN 30 NOT FoundSo in the first query ROW_NUMBER() evaluates to NULL (not sure why) so the condition will never be satisfied! This is easily proofed when actually testing for nullity:
WHEN ROWNUM() OVER (ORDER BY NULL) IS NULL THEN
...will always show 'Found'!
Inlining the subquery »materializes« it, and ROW_NUMBER() gets the desired value. -
I'm just experimenting with the JSR14 generics release, but am having problems. The code below is abstracted from my application. It compiles ok, but gives a runtime error:
import java.util.*;
class A {
public static void main (String argv[]) {
ArrayList<Boolean> B = new ArrayList<Boolean>(10);
Iterator<Boolean> i = B.iterator();
boolean b = (i.next()).booleanValue();
The error is:
Exception in thread "main" java.lang.VerifyError: (class: A, method: main signature: ([Ljava/lang/String;)V) Incompatible object argument for function call
If I remove the generics code, and add the required cast, the error disappears. Anyone know what is causing this?
thanks,
GarethThis is definitely a bug in the compiler. The bytecode generated for B.methodC() is:
Codeview "bytecode" for void B.methodC():
#3/Test.java:12 - new class java.util.ArrayList
#4/Test.java:12 - dup
#5/Test.java:12 - bipush (byte)10
#6/Test.java:12 - invokespecial public java.util.ArrayList(int)
#7/Test.java:12 - astore_1 lv_1
#8/Test.java:13 - aload_1 lv_1
#9/Test.java:13 - invokevirtual public java.util.Iterator java.util.AbstractList.iterator()
#10/Test.java:13 - astore_2 lv_2
#11/Test.java:14 - aload_2 lv_2
#12/Test.java:14 - invokeinterface public abstract java.lang.Object java.util.Iterator.next()
#13/Test.java:14 - invokevirtual public final boolean java.lang.Boolean.booleanValue()
#14/Test.java:14 - istore_3 lv_3
#15/Test.java:15 - return
and it's clear that between instruction #12 and instruction #14 a typecast is missing.
I'll add this to my list of known prototype compiler bugs at
http://cag.lcs.mit.edu/~cananian/Projects/GJ/ -
I'm trying to combine 4 of the same image into a 4x4 tile. For some reason when I call drawImage() it only paints 1 of the tiles. I've found that if i move the 1 image at all, the rest is off-screen. The image itself is 34x34 pixels and the panel I'm trying to draw it on is at least 10 times larger. Here is a snip-it of my code if anyone could please look over it and give me any advice or tell me what I'm doing wrong I'd greatly appreciate it.
public void paint(Graphics g) {
int size = 34;
int grassx, grassy;
grassx = size * 7;
grassy = size * 0;
int spritex, spritey;
spritex = sprite.intFromDouble(spriteDimensions.getWidth());
spritey = sprite.intFromDouble(spriteDimensions.getHeight());
g.drawImage(img,0,0,size,size,grassx,grassy,grassx + size,grassy + size,
null);
g.drawImage(img,size,0,size,size,grassx,grassy,grassx + size,grassy +
size,null);
g.drawImage(img,0,size,size,size,grassx,grassy,grassx + size,grassy + size,null);
g.drawImage(img,size,size,size,size,grassx,grassy,grassx + size,grassy + size,null);
g.drawImage(sprite.getCharacters(),0,0,size,size,spritex,spritey, spritex+size,spritey + size,null);
}img is an Image created by ImageIO.read(new File(location.toURI()))The code only visibly draws the image at 0,0 and the sprite that is also located at 0,0.
Any help anyone can give me would be very appreciated.& i also look at your fifth till eighth parameter.
they are same... you can simplify your code by creating sub image first, instead of croping them each time you need them.
fortunately, u are using BufferedImage that already support subimage.
BufferedImage img = ImageIO.read(new File(location.toURI()));
Image cropedImg = img.subImage(grassx, grassy, size, size); // here, 3rd & 4th are width & height.
g.drawImage(cropedImg, 0, 0, this); // lot simpler...
g.drawImage(cropedImg, 0, size, this);
g.drawImage(cropedImg, size, 0, this);
g.drawImage(cropedImg, size, size, this);
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