Can one iTunes Radio account be used on more than one device at the same time?

With an iTunes Match account, can ad-free iTunes Radio be used on two devices at the same time on that same account?

Hi,
Yes.
Jim

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MacBook Pro Freezes while using more than two applications at the same time

Over the last two weeks my MBP has been freezing every time i use two or more applications at the same time. For e.g. my whole system freezes from time to time when i use itunes and safari at the same time. This problem never existed before and has just started recently and is really annoying. What can i do to fix it?

Rather than re-installing Safari have you tried simply "Resetting" it (head to "Reset safari" under the "Safari" menu). It is possible that something in your user folder that supports Safari is really the cause of the problem. Re-installing Safari won't deal with this, but re-setting it can.
In fact the first thing you should try is simply choosing "Empty cache..". If your cache files are corrupted then this in itself could explain the behaviour.
If you choose to do the Reset first try it with just "Empty cache" and "remove all website icons" selected. This will reduce the amount that you will "lose" in the process. (Cookies, history, etc). Add in additional options if the first attempt doesn't fix it.
Cheers
Rod

Can't access ejb with more than 1 person at the same time?

I am using the ejb to access the database using DBConnection Pool that I find in book. The code is as follow:
The problem is when more than one user access almost at the same time, the one who enter frst can access, but the other one can't and return context lookup error in creating EJB.
What's the problem of it, is it the ejb concurrent access problem or database concurrent access problem?
package login.database;
import java.io.*;
import java.sql.*;
import java.util.*;
import java.util.Date;
public class DBConnectionManager {
static private DBConnectionManager instance;
static private int clients;
private Vector drivers = new Vector();
private PrintWriter log;
private Hashtable pools = new Hashtable();
static synchronized public DBConnectionManager getInstance() {
if (instance == null) {
instance = new DBConnectionManager();
clients++;
return instance;
private DBConnectionManager() {
init();
public void freeConnection(String name, Connection con) {
DBConnectionPool pool = (DBConnectionPool) pools.get(name);
if (pool != null){
pool.freeConnection(con);
public Connection getConnection(String name) {
DBConnectionPool pool = (DBConnectionPool) pools.get(name);
if (pool != null) {
return pool.getConnection();
return null;
public Connection getConnection(String name, long time) {
DBConnectionPool pool = (DBConnectionPool) pools.get(name);
if (pool != null) {
return pool.getConnection(time);
return null;
public synchronized void release() {
if (--clients != 0) {
return;
Enumeration allPools = pools.elements();
while (allPools.hasMoreElements()) {
DBConnectionPool pool = (DBConnectionPool) allPools.nextElement();
pool.release();
Enumeration allDrivers = drivers.elements();
while (allDrivers.hasMoreElements()) {
Driver driver = (Driver) allDrivers.nextElement();
try {
DriverManager.deregisterDriver(driver);
log("Deregistered JDBC driver " + driver.getClass().getName());
} catch (SQLException e) {
log(e, "Can't deregister JDBC driver: " + driver.getClass().getName());
private void createPools(Properties props) {
Enumeration propNames = props.propertyNames();
while (propNames.hasMoreElements()) {
String name = (String) propNames.nextElement();
if (name.endsWith(".url")) {
String poolName = name.substring(0, name.lastIndexOf("."));
String url = props.getProperty(poolName + ".url");
if (url == null) {
log("No URL specified for " + poolName);
continue;
String user = props.getProperty(poolName + ".user");
String password = props.getProperty(poolName + ".password");
String maxconn = props.getProperty(poolName + ".maxconn", "0");
int max;
try {
max = Integer.valueOf(maxconn).intValue();
} catch (NumberFormatException e) {
log("Invalid maxconn value " + maxconn + "for " + poolName);
max = 0;
DBConnectionPool pool = new DBConnectionPool(poolName, url, user, password, max);
pools.put(poolName, pool);
log("Initialized pool " + poolName);
private void init(){
InputStream is = getClass().getResourceAsStream("db.properties");
Properties dbProps = new Properties();
try {
dbProps.load(is);
} catch (Exception e) {
System.err.println("Can't read the properties file. " +
"Make sure db.properties is in the CLASSPATH");
return;
String logFile = dbProps.getProperty("logfile","DBConnectionManager.log");
try {
log = new PrintWriter(new FileWriter(logFile, true), true);
} catch (IOException e) {
System.err.println("Can't open the log file: " + logFile);
log = new PrintWriter(System.err);
loadDrivers(dbProps);
createPools(dbProps);
private void loadDrivers(Properties props) {
String driverClasses = props.getProperty("drivers");
StringTokenizer st = new StringTokenizer(driverClasses);
while (st.hasMoreElements()) {
String driverClassName = st.nextToken().trim();
try {
Driver driver = (Driver) Class.forName(driverClassName).newInstance();
DriverManager.registerDriver(driver);
drivers.addElement(driver);
log("Registered JDBC driver " + driverClassName);
} catch (Exception e) {
log("Can't register JDBC driver: " + driverClassName + ", Exception: " + e);
private void log(String msg) {
log.println(new Date() + ": " + msg);
private void log(Throwable e, String msg) {
log.println(new Date() + ": " + msg);
e.printStackTrace(log);
class DBConnectionPool {
private int checkedOut;
private Vector freeConnections = new Vector();
private int maxConn;
private String name;
private String password;
private String URL;
private String user;
public DBConnectionPool(String name, String URL, String user, String password, int maxConn) {
this.name = name;
this.URL = URL;
this.user = user;
this.password = password;
this.maxConn = maxConn;
public synchronized void freeConnection(Connection con) {
freeConnections.addElement(con);
checkedOut--;
notifyAll();
public synchronized Connection getConnection() {
Connection con = null;
if (freeConnections.size() > 0) {
con = (Connection) freeConnections.firstElement();
freeConnections.removeElementAt(0);
try {
if (con.isClosed()) {
log("Removed bad connection from " + name);
con = getConnection();
} catch (SQLException e) {
log("Removed bad connection from " + name);
con = getConnection();
else if (maxConn == 0 || checkedOut < maxConn) {
con = newConnection();
if (con != null) {
checkedOut++;
return con;
public synchronized Connection getConnection(long timeout) {
long startTime = new Date().getTime();
Connection con;
while ((con = getConnection()) == null) {
try {
wait(timeout);
} catch (InterruptedException e) {}
if ((new Date().getTime() - startTime) >= timeout) {
return null;
return con;
public synchronized void release() {
Enumeration allConnections = freeConnections.elements();
while (allConnections.hasMoreElements()) {
Connection con = (Connection) allConnections.nextElement();
try {
con.close();
log("Closed connection for pool " + name);
} catch (SQLException e) {
log(e, "Can't close connection for pool " + name);
freeConnections.removeAllElements();
private Connection newConnection() {
Connection con = null;
try {
if (user == null) {
con = DriverManager.getConnection(URL);
else {
con = DriverManager.getConnection(URL, user, password);
log("Created a new connection in pool " + name);
} catch (SQLException e) {
log(e, "Can't create a new connection for " + URL);
return null;
return con;

Hi,
static synchronized public DBConnectionManager getInstance() {
The word "synchronized" will allow only one user at a time to access the getInstance() method which returns DBConnectionManager. Suggest u read some stuff on the same
As I am not sure which App server ur using, u cld do the following
1. Create a Conection Pool in ur App Server itself (Weblogic/Websphere/Jboss way)
2. Create a DataSource which maps to this Connection Pool.
3. Use the DataSource object which handles poolong of Connections to access the database
4. As mentioned above, Read notes/documents on "Synchronized" and "Vector" before you use this word in any code of EJB. This will solve ur problem. Read topic called "Collection Framework".
Seetesh

Every time I open a second document the 1st one slides off the screen and I have to reopen everything. I want to view more than 1 document at the same time.

How can I view and work on more than one document at a time? I've never had a problem with this but suddenly every time I open a new document the 1st one slides over out of sight. How do I get that to stop?

Hi bbd,
Here is a screen shot of two documents open side by side. Drag the first document to the left of the screen. Open another document and drag it to the right of the screen.
I have not had an open document slide from view. Puzzling!
Regards,
Ian.

HT1206 how could I use more than 5 devices on the same apple ID

Hi,
I am trying to use more than 5 different devices (i-Phone's, MacBook Air, iMac, PC etc...) on the same Apple ID.
The Apple ID is not allowing me to add more than 5.
Do you have an idea what could I do?
I would like to share all the devices in my Home network thru i-Tunes.
Thnx

You can only associate a maximum of 5 devices. There is no workaround for this.

HT202213 How can I authorize more than 5 computers with the same Apple ID?

Somebody knows how to authorize more than 5 computers with the same Apple ID? I have One Apple IMac, Apple TV, I-PAD, 2 HP PC's, One I-Phone and one I-Pod Touch. I would like to have the possibility to use as I wish the same Apple ID on one of those without deauthorizing another one.

"Somebody knows how to authorize more than 5 computers with the same Apple ID? "
You cannot.
Authorization applies ONLY to computers. Ipods/ipads/iphones/Apple TVS are NOT authorized at all.

How can I compare more than two VIs at a same time in labview 2009

How can I compare more than two VIs at the same time. I am an Lab Engineer I have to check assignments submitted by students and I want to know how many of them are copied from each other. Labview compare VI can only compare two VI at a time while I want to check about 30 VIs at same time.
Regards,

I'm not aware of a tool to compare multiple VIs. If you don't find anything, consider posting this to the LabVIEW Idea Exchange to expose this idea directly to NI R&D.
Thanks!
- Greg J

Can one computer be used by more than one itunes account holders

Can one computer be used by more than one itunes account holders or can we no longer share a home computer to access our clouds?

Hi Zhang Bin
You can create one order from multiple notification, but you cannot create multiple order from one notification.
Exmaple- You can select all notification in IW28, and create one order. All these notification will appear in object list of order.
Regards
Anil Kumar

TS4124 can imatch be used for more than one persons library of music, or does each person require a separate imatch account?

Can iMatch be used for more than one person's library of music, or does each person require a separate iMatch account for their own library?

1 account = 1 library, 2 = 2 and so on.

TS2972 I would like to share my iTunes libraries with my Apple TV from both my iMac and Macbook Pro, but I use the same iTunes account on both devices. Is it possible to link my Apple TV to both devices at the same time?

I recently purchased an Apple TV, and I currently have it linked to my iMac with my iTunes account. I also have a newer MacBook Pro that has some different iTunes media on it than my iMac does, but they share iTunes accounts. Is it possible to link both devices at the same time, have access to media on both computers, and use the same iTunes account on both computers?? It seems Apple TV will only link to one iTunes account per computer, but can access multiple computers if different iTunes accounts are activated on those computers.

You can share multiple libraries with the Apple TV, they don't even need to use the same iTunes account. Just make sure that you use the same ID for homesharing on all devices.

My itunes library has organically grown from more than one itunes account but all now on a separate computer. If I upgrade to iTunes match will I have to pay for each account?

My itunes library has organically grown from more than one itunes account (all paid for by me) but all now on a separate computer. If I upgrade to iTunes match will I have to pay for each account or just once, for the computer?

No. Provided the computer that you use to upload / match your Songs is authorised to play all of the Songs all works well - once complete you can download Song files that will play on your libraries / other computers without each computer having to be authorised.

Can this be used on more than one computer?

Can this be used on more than one computer? (Multiple-users?)

Hi Jessica,
ExportPDF is for one user per account. Please refer to our terms... this should help with your questions!
Let me know if this helps.
Regards, Stacy

Can I use more than one blue-tooth device at the same time on IPhone 4S? Like a wireless headsets and speed and cadence sensor for cycling computer, receive the data and listen music simultaneously

Can I use more than one blue-tooth device at the same time on IPhone 4S? Like a wireless headsets and speed and cadence sensor for cycling computer, receive the data and listen music simultaneously

As long as the profiles are different (ex. HID vs AD2P) you will not have any issues. But say if you try to use 2 keyboards at once, it won't work. Or 2 headsets at once. Your scenario seems fine.

How to use my creative cloud account, downloading apps, to more than one computer, i.e. my desktop and laptop?

How to use my creative cloud account, downloading apps, to more than one computer, i.e. my desktop and laptop?

Just download the CC manager to the machines an sign in thru it.
Creative Cloud Help / Install, update, or uninstall apps
http://helpx.adobe.com/creative-cloud/help/install-apps.html
Creative Cloud Learn & Support
http://helpx.adobe.com/creative-cloud.html
Creative Cloud / Common Questions
http://helpx.adobe.com/creative-cloud/faq.html

Can one Recordset created in the Main/Parent form be used in more than one Subform?

Hi
Can one Recordset created in the Parent form be used in more than one Subform? The parent and subforms are unbound.
If so, how do I do this?
Many thanks for your help!
smsemail

You can declare a public object variable in the parent form's module's Declarations area:
    Public rs As DAO.Recordset
Then, anywhere in the parent form's module:
    Dim strSQL As String
    strSQL= "SELECT etc"
    Set rs = CurrentDb.OpenRecordset(strSQL)
In a subform's module, or anywhere else for that matter while the form is open, you can return a reference to the recordset as a property of the class:
    Form_YourParentFormName.rs
Ken Sheridan, Stafford, England

Can one iTunes Radio account be used on more than one device at the same time?

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