PLEASE HELP!~!! i am desperate here
Hi everyone!!! please help me!
I erased some songs accidentally from my computer. (more like 100), my IPOD updates automatically. WHAT CAN I DO to stop it from automatically updating and erasing all my songs??? When i connect my ipod is there anyway to stop it from automatically updating and erasing everything?? I dont have it set to manual now.
Your help will be greatly appreciated
Hey Nina -
Go into the main menu on ITunes, click on "EDIT", then on "PREFERENCES" - there should be a couple of settings there on the IPOD tab to click on and off the auto-update settings.
That should keep your Ipod from getting updated - I'm not sure how to get your deleted music (still on your Ipod, right?) back into ITunes - if I understand your issue, you probably want the Itunes to get updated from the Ipod and not the other way around right? On that point I'm useless, but the preferences should at least keep your Ipod from updating in the meantime.
Good luck, JR
Similar Messages
-
please help. getting desperate. i cannot set up 3g on my ipad 2. when i go to mobile data in the settings there is no option to view account. which is apprently what i need to click on, any help greatly apprectiated
I got mine (2 weeks ago) 64GB WiFi+3G (Verizon) from the apple store online
I didnt have to do anything to it, turned it on, activated it, got it on my home network then I signed up for the 3G data service, it works where ever I happen to be. (if there is an unknown WiFi connection available it asks me if I want to join before it continues to connect to the 3G when I am surfing or getting e-mail)
do you have an Apple Store close enough to travel to?
I am only assuming here, but since you have a SIM you are not in the US correct? -
hi, my daughter hers ipod touch is disabled connect to itunes after say its itunes couldnot connect to the "ipod touch" because its is locked with a passcode please help how to fix connect...i did turn off her ipod touch put usb back on there same in doenot say still ipod is disabled i dont understand please help how???
If You Are Locked Out Or Have Forgotten Your Passcode or Just Need to Restore Your Device
1. iTunes 10 for Mac- Update and restore software on iPod, iPhone, or iPad
2. iPhone, iPad, iPod touch: Wrong passcode results in red disabled screen
3. iOS- Understanding passcodes
If you have forgotten your Restrictions code, then follow the instructions
below but DO NOT restore any previous backup. If you do then you will
simply be restoring the old Restrictions code you have forgotten. This
same warning applies if you need to restore a clean system.
A Complete Guide to Restore or Recover Your iDevice (if You Forget Your Passcode)
If you need to restore your device or ff you cannot remember the passcode, then you will need to restore your device using the computer with which you last synced it. This allows you to reset your passcode and re-sync the data from the device (or restore from a backup). If you restore on a different computer that was never synced with the device, you will be able to unlock the device for use and remove the passcode, but your data will not be present. Refer to Updating and restoring iPhone, iPad and iPod touch software.
Try restoring the iOS device if backing up and erasing all content and settings doesn't resolve the issue. Using iTunes to restore iOS devices is part of standard isolation troubleshooting. Restoring your device will delete all data and content, including songs, videos, contacts, photos, and calendar information, and will restore all settings to their factory condition.
Before restoring your iOS device, Apple recommends that you either sync with iTunes to transfer any purchases you have made, or back up new data (data acquired after your last sync). If you have movie rentals on the device, see iTunes Store movie rental usage rights in the United States before restoring.
Follow these steps to restore your device:
1. Verify that you are using the latest version of iTunes before attempting to update.
2. Connect your device to your computer.
3. Select your iPhone, iPad, or iPod touch when it appears in iTunes under Devices.
4. Select the Summary tab.
5. Select the Restore option.
6. When prompted to back up your settings before restoring, select the Back Up
option (see in the image below). If you have just backed up the device, it is not
necessary to create another.
7. Select the Restore option when iTunes prompts you (as long as you've backed up,
you should not have to worry about restoring your iOS device).
8. When the restore process has completed, the device restarts and displays the Apple
logo while starting up:
After a restore, the iOS device displays the "Connect to iTunes" screen. For updating
to iOS 5 or later, follow the steps in the iOS Setup Assistant. For earlier versions of
iOS, keep your device connected until the "Connect to iTunes" screen goes away or
you see "iPhone is activated."
9. The final step is to restore your device from a previous backup. If you do not have a
backup to restore, then restore as New.
If you are restoring to fix a forgotten Restrictions Code or as a New device, then skip Step 9 and restore as New. -
Please Please Help with Projectile Project Here are the Codes
I've got three(3) classes a Model, a view, and a controller.
This is a project about projectiles.it is an animation of a cannonball being fired from a cannon and travelling under the effect of gravity.A cannon fired at angle 'a' to the horizontal and with an initial speed 's', will have an initial velocity given by:
vx := s * cos(a);//velocity x equals the speed multiply by the cosine of angle a.
vy := s * sin(a);//velocity y equals the speed multiply by the sine of angle a.
Here are the code.
Model:
/** Cannon specifies the expected behaviour of a cannon*/
public class Cannon{
public static final int TICK = 60;
private int velocity = 0;
private static final double gravity = .098f;
private double angle = 0;
// distances & positions are meausred in pixels
private int x_pos; // ball's center x-position
private int y_pos; // ball's center y-position
// speed is measured in pixels per `tick'
private int x_velocity; // horizonal speed; positive is to the right
private int y_velocity; // vertical speed; positive is downwards
public Cannon() {
velocity = 3;
angle = 60;
angle = radians(angle);
x_pos = 0;
y_pos = 385;
/** shoot fires a shot from the cannon*/
public void shoot(){
move();
/**reload reloads the cannon with more shorts*/
public void reload() {
/** changeAngle changes the angle of the canon
* @params value - the amount to add or subtract from the current angle value*/
public void changeAngle(double value) {
angle = (double)value;
angle = radians(angle);
/** getAngle returns the current angle value of the cannon*/
public double getAngle() {
return angle;
/** changeVelocity changes the speed at which a cannon ball that is to be fire will travel at
* @params value - the new speed at which the user wants a cannon ball to travel at.*/
public void changeVelocityX(int value){
x_velocity = x_velocity * (int)Math.cos(value);
public void changeVelocityY(int value){
y_velocity = y_velocity * (int)Math.sin(value);
/** getVelocity returns the current velocity value of the cannon*/
public int getVelocityX() {
return x_velocity;
public int getVelocityY() {
return y_velocity;
/** getGravity returns the current gravity value of the cannon*/
public double getGravity() {
return gravity;
public int xPosition(){
return x_pos;
public int yPosition(){
return y_pos;
public void move(){
double dx = getVelocityX() * Math.cos(getAngle());
double dy = getVelocityY() * Math.sin(getAngle());
x_pos+=dx;
y_pos-=dy;
double radians (double angle){
return ((Math.PI * angle) / 180.0);
View:
import java.awt.*;
import javax.swing.*;
/** CannonView displays a cannon being fired.*/
public class CannonView extends JPanel{
/** DISPLAY_SIZE specifies the overall display area of the cannon and the bucket.*/
public static final int DISPLAY_AREA_SIZE = 600;
public RotatablePolygon rectangle;
public RotatablePolygon triangle;
public Cannon cannon;
public CannonView(Cannon c) {
this.setPreferredSize(new Dimension(600,450));
this.setBackground(Color.black);
cannon = c;
int xRectangle[] = {0,0,40,40,0};
int yRectangle[] = {400,300,300,400,400};
int xTriangle[] = {0,20,40,0};
int yTriangle[] = {300,280,300,300};
rectangle = new RotatablePolygon (xRectangle, yRectangle, 5,20,350);
// rectangle.setPosition (100, 100);
// triangle = new RotatablePolygon (xTriangle, yTriangle, 4,0,290);
triangle = new RotatablePolygon (xTriangle, yTriangle, 4,20,350);
//triangle.setPosition (100, 100);
JFrame frame = new JFrame();
frame.getContentPane().add(this);
frame.pack();
frame.setVisible(true);
frame.setTitle("Width = " + frame.getWidth() + " , Height = " + frame.getHeight());
/** drawBucket draws a bucket/target for which a moving cannon ball should hit.
* @param g - the graphics pen for which the drawing should occur.*/
public void drawBucket(Graphics g) {
g.setColor(Color.red);
int xvalues[] = {495, 519, 575, 595, 495};
int yvalues[] = {340, 400, 400, 340, 340};
Polygon poly1 = new Polygon (xvalues, yvalues, 5);
g.fillPolygon(poly1);
g.setColor(Color.white);
g.fillOval(495, 328, 100, 24);
Graphics2D g2d = (Graphics2D)g;
g2d.setStroke(new BasicStroke(2));
g.setColor(Color.red);
g.drawOval(495, 328, 100, 24);
g.drawOval(495,311,100,54);
/** drawCannon draws a cannon
* @param g - the graphics pen that will be used to draw the cannon.*/
public void drawCannon(Graphics g) {
Graphics2D g2 = (Graphics2D)g;
g.setColor(Color.red);
g2.fill(rectangle);
g.setColor(Color.orange);
g2.fill(triangle);
g.setColor(Color.blue);
g.fillOval(95, 340, 60, 60);
g.setColor(Color.magenta);
for (int i = 0; i < 6; i++){
g.fillArc(95, 340, 60, 60, i* 60, 30);
g.setColor(Color.black);
g.fillOval(117, 362, 16, 16);
/** drawCannonShots will draw the actual number of shots already used by the cannon
* @param g - the graphics pen that will be used to draw the shots of the cannon.*/
public void drawCannonShots(Graphics g) {
g.setColor(Color.orange);
g.fillOval(cannon.xPosition(),cannon.yPosition(),16,16);
/** drawTrail will draw a trail of smoke to indicate where a cannon ball has passed
* @param g - the graphics pen used to draw the trail.*/
public void drawTrail(Graphics g){}
/**drawGround draws the ground for which the cannon sits*/
public void drawGround(Graphics g) {
g.setColor(Color.green.brighter());
g.fillRect(0,400,600,50);
/** drawMovingCannonBall draw a cannon ball moving at a certain speed (velocity),
* with a certain amount of gravitational acting upon it, at a certain angle.
* @params g - the graphics pen used to draw the moving cannon ball.
* @params gravity - the value of gravity.
* @params velocity - the speed at which the ball is travelling.
* @params angle - the angle at which the ball was shot from.*/
public void drawMovingCannonBall(Graphics g, double gravity, double velocity, double angle){}
/** paintComponent paints the cannon,bucket
* @param g - graphics pen.*/
public void paintComponent(Graphics g) {
super.paintComponent(g);
drawGround(g);
drawBucket(g);
drawCannon(g);
drawCannonShots(g);
Controller
/** CannonController controls the interaction between the user and a cannon*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class CannonController extends JFrame{
public JMenuBar jMenuBar2;
public JMenu jMenu2;
public JMenuItem jMenuItem1;
public JMenu jMenu3;
public JMenuItem jMenuItem2;
public JLabel angleLabel, velocityLabel;
public JTextField angleTextField, velocityTextField;
public JButton fireButton, reloadButton;
public JSlider angleSlider, velocitySlider;
private CannonView view;
private Cannon cannon;
int oldValue, newValue;
public CannonController(Cannon acannon) {
cannon = acannon;
view = new CannonView(cannon);
loadControls();
angleTextField.setText(String.valueOf(angleSlider.getValue()));
oldValue = angleSlider.getValue();
newValue = oldValue + 1;
velocityTextField.setText(String.valueOf(velocitySlider.getValue()));
this.setSize(328,308);
this.setLocation(view.getWidth()-this.getWidth(),0);
/** loadControl loads all of the GUI controls that a
* user of the cannon animation will use to interact with the program*/
public void loadControls() {
jMenuBar2 = new JMenuBar();
jMenu2 = new JMenu();
jMenuItem1 = new JMenuItem();
jMenu3 = new JMenu();
jMenuItem2 = new JMenuItem();
angleLabel = new JLabel();
velocityLabel = new JLabel();
angleTextField = new JTextField();
velocityTextField = new JTextField();
fireButton = new JButton();
reloadButton = new JButton();
angleSlider = new JSlider();
velocitySlider = new JSlider();
jMenuBar2.setBorderPainted(false);
jMenu2.setModel(jMenu2.getModel());
jMenu2.setText("File");
jMenuItem1.setText("Exit");
jMenuItem1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jMenuItem1ActionPerformed(evt);
jMenu2.add(jMenuItem1);
jMenuBar2.add(jMenu2);
jMenu3.setText("Help");
jMenuItem2.setText("About this Program");
jMenuItem2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jMenuItem2ActionPerformed(evt);
jMenu3.add(jMenuItem2);
jMenuBar2.add(jMenu3);
getContentPane().setLayout(null);
setTitle("Cannon Controller Form");
setResizable(false);
setMenuBar(getMenuBar());
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent evt) {
exitForm(evt);
angleLabel.setText("Angle:");
getContentPane().add(angleLabel);
angleLabel.setLocation(10, 20);
angleLabel.setSize(angleLabel.getPreferredSize());
velocityLabel.setText("Velocity:");
getContentPane().add(velocityLabel);
velocityLabel.setLocation(10, 80);
velocityLabel.setSize(velocityLabel.getPreferredSize());
angleTextField.setToolTipText("Only numeric values are allow");
getContentPane().add(angleTextField);
angleTextField.setBounds(280, 20, 30, 20);
velocityTextField.setToolTipText("Only numeric values are allow");
getContentPane().add(velocityTextField);
velocityTextField.setBounds(280, 80, 30, 20);
fireButton.setToolTipText("Click to fire a shot");
fireButton.setText("Fire");
fireButton.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
fireButtonMouseClicked(evt);
getContentPane().add(fireButton);
fireButton.setBounds(60, 160, 80, 30);
reloadButton.setToolTipText("Click to reload cannon");
reloadButton.setText("Reload");
reloadButton.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
reloadButtonMouseClicked(evt);
getContentPane().add(reloadButton);
reloadButton.setBounds(150, 160, 80, 30);
angleSlider.setMinorTickSpacing(30);
angleSlider.setPaintLabels(true);
angleSlider.setPaintTicks(true);
angleSlider.setMinimum(0);
angleSlider.setMajorTickSpacing(60);
angleSlider.setToolTipText("Change the cannon angle");
angleSlider.setMaximum(360);
angleSlider.setValue(0);
angleSlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
angleSliderStateChanged(evt);
getContentPane().add(angleSlider);
angleSlider.setBounds(60, 20, 210, 40);
velocitySlider.setMinorTickSpacing(5);
velocitySlider.setPaintLabels(true);
velocitySlider.setPaintTicks(true);
velocitySlider.setMinimum(1);
velocitySlider.setMajorTickSpacing(10);
velocitySlider.setToolTipText("Change the speed of the cannon ball");
velocitySlider.setMaximum(28);
velocitySlider.setValue(3);
velocitySlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
velocitySliderStateChanged(evt);
getContentPane().add(velocitySlider);
velocitySlider.setBounds(60, 80, 210, 50);
setJMenuBar(jMenuBar2);
pack();
private void reloadButtonMouseClicked(MouseEvent evt) {
reloadButtonClick();
private void fireButtonMouseClicked(MouseEvent evt) {
fireButtonClick();
/** firstButtonClick is the event handler that sends a message
* to the cannon class to invokes the cannon's fire method*/
public void fireButtonClick() {
// JOptionPane.showMessageDialog(null,"You click Fire");
cannon.shoot();
view.repaint();
/** reloadButtonClick is the event handler that sends a message
* to the cannon class to invokes the cannon's reload method*/
public void reloadButtonClick() {
JOptionPane.showMessageDialog(null,"reload");
private void angleSliderStateChanged(ChangeEvent evt) {
angleTextField.setText(String.valueOf(angleSlider.getValue()));
view.rectangle.setAngle(angleSlider.getValue() * (Math.PI / 180));
view.triangle.setAngle(angleSlider.getValue() * (Math.PI / 180));
cannon.changeAngle(angleSlider.getValue());
view.repaint();
private void velocitySliderStateChanged(ChangeEvent evt) {
velocityTextField.setText(String.valueOf(velocitySlider.getValue()));
cannon.changeVelocityX(velocitySlider.getValue());
private void gravitySliderStateChanged(ChangeEvent evt) {
private void jMenuItem1ActionPerformed(ActionEvent evt) {
System.exit (0);
private void jMenuItem2ActionPerformed(ActionEvent evt) {
String message = "Cannon Animation\n"+
"Based on the Logic of Projectiles";
JOptionPane.showMessageDialog(null,message,"About this program",JOptionPane.PLAIN_MESSAGE);
/** Exit the Application */
private void exitForm(WindowEvent evt) {
System.exit (0);
/** Pause execution for t milliseconds. */
private void delay (int t) {
try {
Thread.sleep (t);
} catch (InterruptedException e) {}
public static void main(String [] args){
Cannon cn = new Cannon();
CannonController control = new CannonController(cn);
control.setTitle("Test");
control.setVisible(true);
if the cannon ball land in the bucket it should stop and the animation should indicate a 'hit' in some way. maybe by displaying a message.
if the cannonball hits the outside of the bucket it should bounce off.
Extra Notes.
1) The acceleration due to gravity is 9.8m/s to the (power of (2) eg s2.
2) The distance travelled in time t by a body with initial velocity v under constant acceleration a is:
v * t + a * t.pow(2) div 2;
The velocity at the end of time t will be v + a * t.
Distance is measure in pixels rather than meter so for simplicity we use 1 pixel per meter
When i pressed the fire button nothings happens. I'm going crazy. Please please help!Here is the interface specification for the RotatablePolygon class. I do not have the actual .java source.
Thanks
Class RotatablePolygon
java.lang.Object
|
--java.awt.geom.Area
|
--RotatablePolygon
All Implemented Interfaces:
java.lang.Cloneable, java.awt.Shape
public class RotatablePolygon
extends java.awt.geom.Area
Polygons which can be rotated around an `anchor' point and also translated (moved in the x and y directions).
Constructor Summary
RotatablePolygon(int[] xs, int[] ys, int n, double x, double y)
Create a new RotatablePolyogon with given vertices and anchor point (x,y).
Method Summary
double getAngle()
The current angle of rotation.
double getXanchor()
x-coordinate of the anchor point.
double getYanchor()
y-coordinate of the anchor point.
void rotate(double da)
Rotate the polygon from its current position by angle da (in radians) around the anchor.
void rotateDegrees(double da)
Rotate the polygon from its current position by angle da (in degrees) around the anchor.
void setAngle(double a)
Set the angle of rotation of the polygon to be angle a (in radians) around the anchor.
void setAngleDegrees(double a)
Set the angle of rotation of the polygon to be angle a (in degrees) around the anchor.
void setPosition(double x, double y)
Shift the polygon's position to put its anchor point at (x,y).
void translate(double dx, double dy)
Shift the polygon's position and anchor point by given amounts.
Methods inherited from class java.awt.geom.Area
add, clone, contains, contains, contains, contains, createTransformedArea, equals, exclusiveOr, getBounds, getBounds2D, getPathIterator, getPathIterator, intersect, intersects, intersects, isEmpty, isPolygonal, isRectangular, isSingular, reset, subtract, transform
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Constructor Detail
RotatablePolygon
public RotatablePolygon(int[] xs,
int[] ys,
int n,
double x,
double y)
Create a new RotatablePolyogon with given vertices and anchor point (x,y).
REQUIRE: xs.length >= n && ys.length >= n
Parameters:
xs - x-coordinates of vertices
ys - y-coordinates of vertices
n - number of vertices
x - x-coordinate of the rotation anchor
y - y-coordinate of the rotation anchor
Method Detail
setPosition
public void setPosition(double x,
double y)
Shift the polygon's position to put its anchor point at (x,y).
Parameters:
x - new x-coordinate for anchor point
y - new y-coordinate for anchor point
translate
public void translate(double dx,
double dy)
Shift the polygon's position and anchor point by given amounts.
Parameters:
dx - amount to shift by in x-direction
dy - amount to shift by in y-direction
setAngle
public void setAngle(double a)
Set the angle of rotation of the polygon to be angle a (in radians) around the anchor.
Parameters:
a - angle to rotate to, in radians
setAngleDegrees
public void setAngleDegrees(double a)
Set the angle of rotation of the polygon to be angle a (in degrees) around the anchor.
Parameters:
a - angle to rotate to, in degrees
rotate
public void rotate(double da)
Rotate the polygon from its current position by angle da (in radians) around the anchor.
Parameters:
da - angle to rotate by, in radians
rotateDegrees
public void rotateDegrees(double da)
Rotate the polygon from its current position by angle da (in degrees) around the anchor.
Parameters:
da - angle to rotate by, in degrees
getAngle
public double getAngle()
The current angle of rotation.
getXanchor
public double getXanchor()
x-coordinate of the anchor point.
getYanchor
public double getYanchor()
y-coordinate of the anchor point. -
Please Help with Physics Project Here are the codings
I've got three(3) classes a Model, a view, and a controller.
This is a project about projectiles.it is an animation of a cannonball being fired from a cannon and travelling under the effect of gravity.A cannon fired at angle 'a' to the horizontal and with an initial speed 's', will have an initial velocity given by:
vx := s * cos(a);//velocity x equals the speed multiply by the cosine of angle a.
vy := s * sin(a);//velocity y equals the speed multiply by the sine of angle a.
Here are the code.
Model:
/** Cannon specifies the expected behaviour of a cannon*/
public class Cannon{
public static final int TICK = 60;
private int velocity = 0;
private static final double gravity = .098f;
private double angle = 0;
// distances & positions are meausred in pixels
private int x_pos; // ball's center x-position
private int y_pos; // ball's center y-position
// speed is measured in pixels per `tick'
private int x_velocity; // horizonal speed; positive is to the right
private int y_velocity; // vertical speed; positive is downwards
public Cannon() {
velocity = 3;
angle = 60;
angle = radians(angle);
x_pos = 0;
y_pos = 385;
/** shoot fires a shot from the cannon*/
public void shoot(){
move();
/**reload reloads the cannon with more shorts*/
public void reload() {
/** changeAngle changes the angle of the canon
* @params value - the amount to add or subtract from the current angle value*/
public void changeAngle(double value) {
angle = (double)value;
angle = radians(angle);
/** getAngle returns the current angle value of the cannon*/
public double getAngle() {
return angle;
/** changeVelocity changes the speed at which a cannon ball that is to be fire will travel at
* @params value - the new speed at which the user wants a cannon ball to travel at.*/
public void changeVelocityX(int value){
x_velocity = x_velocity * (int)Math.cos(value);
public void changeVelocityY(int value){
y_velocity = y_velocity * (int)Math.sin(value);
/** getVelocity returns the current velocity value of the cannon*/
public int getVelocityX() {
return x_velocity;
public int getVelocityY() {
return y_velocity;
/** getGravity returns the current gravity value of the cannon*/
public double getGravity() {
return gravity;
public int xPosition(){
return x_pos;
public int yPosition(){
return y_pos;
public void move(){
double dx = getVelocityX() * Math.cos(getAngle());
double dy = getVelocityY() * Math.sin(getAngle());
x_pos+=dx;
y_pos-=dy;
double radians (double angle){
return ((Math.PI * angle) / 180.0);
View:
import java.awt.*;
import javax.swing.*;
/** CannonView displays a cannon being fired.*/
public class CannonView extends JPanel{
/** DISPLAY_SIZE specifies the overall display area of the cannon and the bucket.*/
public static final int DISPLAY_AREA_SIZE = 600;
public RotatablePolygon rectangle;
public RotatablePolygon triangle;
public Cannon cannon;
public CannonView(Cannon c) {
this.setPreferredSize(new Dimension(600,450));
this.setBackground(Color.black);
cannon = c;
int xRectangle[] = {0,0,40,40,0};
int yRectangle[] = {400,300,300,400,400};
int xTriangle[] = {0,20,40,0};
int yTriangle[] = {300,280,300,300};
rectangle = new RotatablePolygon (xRectangle, yRectangle, 5,20,350);
// rectangle.setPosition (100, 100);
// triangle = new RotatablePolygon (xTriangle, yTriangle, 4,0,290);
triangle = new RotatablePolygon (xTriangle, yTriangle, 4,20,350);
//triangle.setPosition (100, 100);
JFrame frame = new JFrame();
frame.getContentPane().add(this);
frame.pack();
frame.setVisible(true);
frame.setTitle("Width = " + frame.getWidth() + " , Height = " + frame.getHeight());
/** drawBucket draws a bucket/target for which a moving cannon ball should hit.
* @param g - the graphics pen for which the drawing should occur.*/
public void drawBucket(Graphics g) {
g.setColor(Color.red);
int xvalues[] = {495, 519, 575, 595, 495};
int yvalues[] = {340, 400, 400, 340, 340};
Polygon poly1 = new Polygon (xvalues, yvalues, 5);
g.fillPolygon(poly1);
g.setColor(Color.white);
g.fillOval(495, 328, 100, 24);
Graphics2D g2d = (Graphics2D)g;
g2d.setStroke(new BasicStroke(2));
g.setColor(Color.red);
g.drawOval(495, 328, 100, 24);
g.drawOval(495,311,100,54);
/** drawCannon draws a cannon
* @param g - the graphics pen that will be used to draw the cannon.*/
public void drawCannon(Graphics g) {
Graphics2D g2 = (Graphics2D)g;
g.setColor(Color.red);
g2.fill(rectangle);
g.setColor(Color.orange);
g2.fill(triangle);
g.setColor(Color.blue);
g.fillOval(95, 340, 60, 60);
g.setColor(Color.magenta);
for (int i = 0; i < 6; i++){
g.fillArc(95, 340, 60, 60, i* 60, 30);
g.setColor(Color.black);
g.fillOval(117, 362, 16, 16);
/** drawCannonShots will draw the actual number of shots already used by the cannon
* @param g - the graphics pen that will be used to draw the shots of the cannon.*/
public void drawCannonShots(Graphics g) {
g.setColor(Color.orange);
g.fillOval(cannon.xPosition(),cannon.yPosition(),16,16);
/** drawTrail will draw a trail of smoke to indicate where a cannon ball has passed
* @param g - the graphics pen used to draw the trail.*/
public void drawTrail(Graphics g){}
/**drawGround draws the ground for which the cannon sits*/
public void drawGround(Graphics g) {
g.setColor(Color.green.brighter());
g.fillRect(0,400,600,50);
/** drawMovingCannonBall draw a cannon ball moving at a certain speed (velocity),
* with a certain amount of gravitational acting upon it, at a certain angle.
* @params g - the graphics pen used to draw the moving cannon ball.
* @params gravity - the value of gravity.
* @params velocity - the speed at which the ball is travelling.
* @params angle - the angle at which the ball was shot from.*/
public void drawMovingCannonBall(Graphics g, double gravity, double velocity, double angle){}
/** paintComponent paints the cannon,bucket
* @param g - graphics pen.*/
public void paintComponent(Graphics g) {
super.paintComponent(g);
drawGround(g);
drawBucket(g);
drawCannon(g);
drawCannonShots(g);
Controller
/** CannonController controls the interaction between the user and a cannon*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class CannonController extends JFrame{
public JMenuBar jMenuBar2;
public JMenu jMenu2;
public JMenuItem jMenuItem1;
public JMenu jMenu3;
public JMenuItem jMenuItem2;
public JLabel angleLabel, velocityLabel;
public JTextField angleTextField, velocityTextField;
public JButton fireButton, reloadButton;
public JSlider angleSlider, velocitySlider;
private CannonView view;
private Cannon cannon;
int oldValue, newValue;
public CannonController(Cannon acannon) {
cannon = acannon;
view = new CannonView(cannon);
loadControls();
angleTextField.setText(String.valueOf(angleSlider.getValue()));
oldValue = angleSlider.getValue();
newValue = oldValue + 1;
velocityTextField.setText(String.valueOf(velocitySlider.getValue()));
this.setSize(328,308);
this.setLocation(view.getWidth()-this.getWidth(),0);
/** loadControl loads all of the GUI controls that a
* user of the cannon animation will use to interact with the program*/
public void loadControls() {
jMenuBar2 = new JMenuBar();
jMenu2 = new JMenu();
jMenuItem1 = new JMenuItem();
jMenu3 = new JMenu();
jMenuItem2 = new JMenuItem();
angleLabel = new JLabel();
velocityLabel = new JLabel();
angleTextField = new JTextField();
velocityTextField = new JTextField();
fireButton = new JButton();
reloadButton = new JButton();
angleSlider = new JSlider();
velocitySlider = new JSlider();
jMenuBar2.setBorderPainted(false);
jMenu2.setModel(jMenu2.getModel());
jMenu2.setText("File");
jMenuItem1.setText("Exit");
jMenuItem1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jMenuItem1ActionPerformed(evt);
jMenu2.add(jMenuItem1);
jMenuBar2.add(jMenu2);
jMenu3.setText("Help");
jMenuItem2.setText("About this Program");
jMenuItem2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jMenuItem2ActionPerformed(evt);
jMenu3.add(jMenuItem2);
jMenuBar2.add(jMenu3);
getContentPane().setLayout(null);
setTitle("Cannon Controller Form");
setResizable(false);
setMenuBar(getMenuBar());
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent evt) {
exitForm(evt);
angleLabel.setText("Angle:");
getContentPane().add(angleLabel);
angleLabel.setLocation(10, 20);
angleLabel.setSize(angleLabel.getPreferredSize());
velocityLabel.setText("Velocity:");
getContentPane().add(velocityLabel);
velocityLabel.setLocation(10, 80);
velocityLabel.setSize(velocityLabel.getPreferredSize());
angleTextField.setToolTipText("Only numeric values are allow");
getContentPane().add(angleTextField);
angleTextField.setBounds(280, 20, 30, 20);
velocityTextField.setToolTipText("Only numeric values are allow");
getContentPane().add(velocityTextField);
velocityTextField.setBounds(280, 80, 30, 20);
fireButton.setToolTipText("Click to fire a shot");
fireButton.setText("Fire");
fireButton.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
fireButtonMouseClicked(evt);
getContentPane().add(fireButton);
fireButton.setBounds(60, 160, 80, 30);
reloadButton.setToolTipText("Click to reload cannon");
reloadButton.setText("Reload");
reloadButton.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
reloadButtonMouseClicked(evt);
getContentPane().add(reloadButton);
reloadButton.setBounds(150, 160, 80, 30);
angleSlider.setMinorTickSpacing(30);
angleSlider.setPaintLabels(true);
angleSlider.setPaintTicks(true);
angleSlider.setMinimum(0);
angleSlider.setMajorTickSpacing(60);
angleSlider.setToolTipText("Change the cannon angle");
angleSlider.setMaximum(360);
angleSlider.setValue(0);
angleSlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
angleSliderStateChanged(evt);
getContentPane().add(angleSlider);
angleSlider.setBounds(60, 20, 210, 40);
velocitySlider.setMinorTickSpacing(5);
velocitySlider.setPaintLabels(true);
velocitySlider.setPaintTicks(true);
velocitySlider.setMinimum(1);
velocitySlider.setMajorTickSpacing(10);
velocitySlider.setToolTipText("Change the speed of the cannon ball");
velocitySlider.setMaximum(28);
velocitySlider.setValue(3);
velocitySlider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
velocitySliderStateChanged(evt);
getContentPane().add(velocitySlider);
velocitySlider.setBounds(60, 80, 210, 50);
setJMenuBar(jMenuBar2);
pack();
private void reloadButtonMouseClicked(MouseEvent evt) {
reloadButtonClick();
private void fireButtonMouseClicked(MouseEvent evt) {
fireButtonClick();
/** firstButtonClick is the event handler that sends a message
* to the cannon class to invokes the cannon's fire method*/
public void fireButtonClick() {
// JOptionPane.showMessageDialog(null,"You click Fire");
cannon.shoot();
view.repaint();
/** reloadButtonClick is the event handler that sends a message
* to the cannon class to invokes the cannon's reload method*/
public void reloadButtonClick() {
JOptionPane.showMessageDialog(null,"reload");
private void angleSliderStateChanged(ChangeEvent evt) {
angleTextField.setText(String.valueOf(angleSlider.getValue()));
view.rectangle.setAngle(angleSlider.getValue() * (Math.PI / 180));
view.triangle.setAngle(angleSlider.getValue() * (Math.PI / 180));
cannon.changeAngle(angleSlider.getValue());
view.repaint();
private void velocitySliderStateChanged(ChangeEvent evt) {
velocityTextField.setText(String.valueOf(velocitySlider.getValue()));
cannon.changeVelocityX(velocitySlider.getValue());
private void gravitySliderStateChanged(ChangeEvent evt) {
private void jMenuItem1ActionPerformed(ActionEvent evt) {
System.exit (0);
private void jMenuItem2ActionPerformed(ActionEvent evt) {
String message = "Cannon Animation\n"+
"Based on the Logic of Projectiles";
JOptionPane.showMessageDialog(null,message,"About this program",JOptionPane.PLAIN_MESSAGE);
/** Exit the Application */
private void exitForm(WindowEvent evt) {
System.exit (0);
/** Pause execution for t milliseconds. */
private void delay (int t) {
try {
Thread.sleep (t);
} catch (InterruptedException e) {}
public static void main(String [] args){
Cannon cn = new Cannon();
CannonController control = new CannonController(cn);
control.setTitle("Test");
control.setVisible(true);
if the cannon ball land in the bucket it should stop and the animation should indicate a 'hit' in some way. maybe by displaying a message.
if the cannonball hits the outside of the bucket it should bounce off.
Extra Notes.
1) The acceleration due to gravity is 9.8m/s to the (power of (2) eg s2.
2) The distance travelled in time t by a body with initial velocity v under constant acceleration a is:
v * t + a * t.pow(2) div 2;
The velocity at the end of time t will be v + a * t.
Distance is measure in pixels rather than meter so for simplicity we use 1 pixel per meter
When i pressed the fire button nothings happens. I'm going crazy. Please please help!Hi,
U put something on forum and keeping silence.If it is not necessary dont put in forum.I moved your cannon ball.If u want continous movement I need some more information.
Johnson -
Please please please please help!! Desperate
Ok, I've had my iPod mini for about 2 years. I have a problem with my iPod and I've been trying to fix it for a really long time like a year or more and it's driving me nuts. So I'm connecting my iPod to my computer to update it and download songs right? Well when I do it does the normal thing with the Do not disconnect sign and the sentence in the middle and this mini cycling thing to the top left corner of the screen to show that it's connecting I guess or something. But it won't appear on my iTunes and it just keeps charging and saying do not disconnect but there's this folder that opens up that's from my iPod that has the folders calenders, contacts, and notes. I recently went to the apple store to get it fixed and the guy connected it to one of the laptops they have and it's fine and everything and the guy says that it might just be that my computer has a virus and blah blah something about software. Well I downloaded the new version of iTunes and now I have no idea what to do. Please help!!!! Please email or just reply to this @ michael_shortykid202yahoo.com
Thanks So much Rama.
Unfortunately I cannot post the entire error. It won't let me attach pics because my account was not verified etc. I will summarize the error below to provide more info. When you say custom activity what do you mean? DO you mean custom
code? Or just custom actions?
The other developer did not go into the XOML. The file is huge. What is the custom activity I am searching for to remove? I do not need to touch the rules file am I correct? Only the straight XOML. I see things like Rule_ID239
for condition name. So these rule numbers I cannot figure out without any reference. SO your method does seem the best. So an example of custom activity would not be a regular branch activity or variable activity correct? There are
many conditions and steps but they were made from the GUI.
I am the first one going into the code. Any help would be so appreciated! Thank you Rama. I have gone through most of the code. Perhaps if I knew what should not be there I could know better what to remove. Any advice on that?
Thank you for responding so quicklyu
Here is a summary of the error exactly as I see it:
SharePoint Designer cannot display the Item.
What you can try:
(green bullet) Click the Refresh button or press F5 to refresh the content from your site
(green bullet) Go back to the previous page
MOst likely causes:
(green bullet) The file has been deleted from the site
(green bullet) The site is encountering problems -
Please help 6600 Fold - Desperate!
Hi,
I have just received this new phone and was so excited but think it may be broken. After 30 minutes of trying to get the battery cover off, I have noticed that my double tap doesnt work at all. It doesnt mute calls, it doesnt bring up the time. I have checked that the sensor is on in phone settings so does anyone else know what might be causing this. Please help, I am getting so frustrated.
Thanks in advance
DanielleIt sounds like it may be faulty, unless it has been dropped.
Take it to a nokia care point and they can check it out for you. It may be an easier option to return it to the retailer and ask them to exchange it.
Care points/service centres and repair info:
UK • Europe • Asia-Pacific • USA •
Canada • Middle East and Africa
Elsewhere: Click here, select your country, go to the support section, then select repair. -
PLEASE PLEASE PLEAAASEEE HELP!!!!
As i said up there , i have lost my ipod touch 5th generation today. worst day ever. im 14 and i paid for it with my own money. $317!! i was so proud of myself. so i went to the mall and i put it in a bag and got home and went to the park behind my friend's house. now im not sure if i brought it with me to the park (dont think so) or it fell in my friend's room after i came home from the mall. but i seriously can not find it and im REALLY sad. i have been balling my eyes out throughout the whole day and me and my five friends including my parents and my friends mom have been looking for it. i heard something about telling the police or something and they would help?? i'm not sure about that. cause why would they wanna help a 14 year old girl find an ipod touch when theres other very important matters. Even though this is SUPER important to me, it may not be to them. ik this is all my fault. mother always said "dont leave it in your back pocket" and of course i do while i skateboard. wow. im stupid. i need to gaurd that thing with my life. its very expensive. please help. this ipod is like my life. it was logged onto instagram and facebook and a bunch of social sites. yes, i have a lock on it but cant they go to a store and say "i forgot my password" and they hack into it? i changed my instagram password and apple ID password so far. but i really need to find this ipod. tomorrow im going to the park to look for it in the grass. HOPEFULLY IT IS THERE. then im going to the apple store if i dont find it. i will go to extreme measures for this ipod. ITS THE FIFTH GEN. BLUE. its beautiful. i already broke my 4th gen ipod like 2 times. but thank you for reading all this.. i need help D:- If you previously turned on FIndMyiPod on the iPod in Settings>iCloud and wifi is on and connected go to iCloud: Find My iPhone, sign in and go to FIndMyiPhone. If the iPod has been restored it will never show up.
- You can also wipe/erase the iPod and have to iPod play a sound via iCloud.
- Change the passwords for all accounts used on the iPod and report to police
- There is no way to prevent someone from restoring the iPod (it erases it) using it.
- Apple will do nothing
Reporting a lost or stolen Apple product
- iOS: How to find the serial number, IMEI, MEID, CDN, and ICCID number
There is little chance of recovering your iPod. The police will do little. It it is turned then they can contact you. -
I am using the same computer that the file was originally saved on, so that isn't the problem. I have tried multiple times to reconnect the files, but nothing happens. The sound was edited a little in Garage Band, then saved to the desktop, then edited more in FCP. I don't think that should make any difference but who knows. Please help, I've been working for hours now!
Hi Hannah. Afraid you're in the wrong forum. If you go to the Final Cut Studio forum, you can get lots f good advice on your issue.
Russ -
Please help!! Newbie here really need help. Numlock, divers, backup, recovery disk
Hi everyone
I finally found where to post
I really wish someone could or would help me
I have a lenovo g550 for about 4-5 years And I was happy with it
few days go I cleaned installed windows Ii got a friend to help infests he put it on the d drive then c drive And c drive gainsaid he formatted my d drive chlorinating on therein was a real unswayable I kind of sorted it out. And I learnt a lot bout the oem partitioning deleted that though. Can someone tell me If I can boot or recover my previous vista from there.?
If not its fine but then I would like to know is can I change the oem partition with the image or recovery (whatever you call it) of the new windows 7 or how to go about creating a recovery disk.
After installing the new windows my PC seems to be fine but I don't know If I kept all the drivers And whatever goes with it. What are all the drivers I need And where do I find If I have them or not. I am not really worried about my data as I want to start fresh.
Another thing I noticed is my number keypad stopped working all of a sudden. When I press the numlock button it beeps and the light does go on and off. When its on it doesn't give me numbers e.g... If I press 5 it actually highlights where the cursor is.
And my mouse/trackpad is not the same as it was before. When I had vista on the right of the trackpad I could use it to scroll up and down and the bottom of the trackpad allowed me to scroll left to right. This function is no longer there. I have to use the arrows to go up and down.
Somebody please help as I do need my laptop for work purposes.
THANK YOU IN ADVANCE!!!hi any drivers you should need you should be able to get through support drivers&downloads link at top of this sites page bud you could use partition magic to clear all partitions and create new multible one if you wish the rest wait till after you put drivers in and see if probs still exist bud
-
Hi there,
If I type
System.out.println("test");
the output gets sent to the server output window.
I have a project that I am doing that incorporates Jess (written in java fyi) and it is supposed to run when i invoke say this line:
rete.executeCommand("(run)");
However, all the output gets sent to the Server output window. I have been trying tonnes of ways to get the output to be printed elsewhere, even trying to write the result to a file but to no avail.
I think it's becuase the rete.executeCommand statement prints everything out in a similar way to System.out.println(yada yada);
Is there anyway I can get this output from the server output window?
please help.
Thanks in advanceHi,
you have to modidy the PrintStream :
ex :
// I want the output write in a file :
System.setOut(new java.io.PrintStream(new java.io.FileOutputStream("d:/test.txt")));
System.out.println("Hello world");
Hope this will help you !
Badr. -
HELP! I have my calender on my iphone saved and updated on the icloud, today it has vanished!!!!!!!!!!!!!!
No idea how or why, please help!Go to settings>icloud and turn off calendars. Then turn on again. That might bring them back.
If not, test the account by using a browser to log into icloud.com and go to the calendar page. If not there, then for whatever reason, they're gone. You might try performing a restore from an icloud backup, if you have that turned on. -
Can't reinstall os x - please help I'm desperate and at the end of my rope
We have an iMac G5 running OS X 10.4
all of a sudden it stopped working (when we tried to reformat a G3 ipod from PC to mac)
so we restarted - it gave us the question mark
restarted again, unplugged for 30 seconds, still question mark
so we're reading all the support online, disk utility repair doesn't work - errors out
so we go to reinstall from the install disks -
but when it comes Select Destination Volume
there is no volume!! I googled and found that someone said he "formatted the image" or something like that, but I have no idea what that means and couldn't find out how to do it in disk utility or anywhere else.
any suggestions please? going crazy here.
thanks in advance,
k.k.,
"how does one go about using a 3rd party utility to repair ..."
You go out and buy a copy of DiskWarrior or Tech Tool Pro. Once you have it, insert the CD into the drive and reboot from the CD (hold down the c-key during boot). Then repair the disk and restart.
"...or doing an archive&install?"
1. Insert the Panther or Tiger install-DVD and reboot while holding down the c-key
2. Once you are booted go to the menu and select disk utility
3. Repair the disk and Repair permissions!
4. Quit disk utility and proceed with the installation
5. Under "options" select "Archive&Install" and check the box "keep user and network data".
6. Install Tiger
7. Restart
8. Go to the folder Application/Utilities and run disk utility to repair permissions again.
9. Download (or open if you downloaded before) and install the latest Combo update: Mac OS X Update 10.3.9 (Combo) or Mac OS X Update 10.4.8 Combo PPC.
10. Restart and repair permisssions
11. Go to the Apple menu and select "Software Update"
12. Install all missing updates and restart.
13. Repair permissions
Good luck!
If this answered your question please consider granting some stars: Why reward points? -
USER I/O Wait (Please help kind of stuck here from long time)
I have a delete statement running from more than 24 hrs now and the session info says its waiting on user I/O. There are no blocking sessions and its doing a full table scan of a table having around 500000 records. I dont understand what exactly its waiting on and how to check that and why it taking more than 24 hrs to FTS of 1 table? Here are some of the statistics:
SQL> select blocking_session, event, wait_class, wait_time, seconds_in_wait, state from v$session where sid=1026;
BLOCKING_SESSION EVENT WAIT_CLASS WAIT_TIME SECONDS_IN_WAIT
STATE
db file scattered read User I/O 0 0
WAITING
SQL> select * from table(dbms_xplan.display_cursor('1g5k0k3qpy8j2'));
PLAN_TABLE_OUTPUT
SQL_ID 1g5k0k3qpy8j2, child number 0
DELETE FROM RX_TX WHERE ID IN (SELECT ID FROM TEMP_PURGE WHERE TABLE_NAME = 'rx_
tx')
Plan hash value: 3126475949
PLAN_TABLE_OUTPUT
| Id | Operation | Name | Rows | Bytes |TempSpc| Cost (%CPU)
| Time |
| 0 | DELETE STATEMENT | | | | | 17239 (100)
| |
| 1 | DELETE | RX_TX | | | |
| |
PLAN_TABLE_OUTPUT
|* 2 | HASH JOIN RIGHT SEMI| | 513K| 123M| 14M| 17239 (2)
| 00:03:27 |
|* 3 | TABLE ACCESS FULL | TEMP_PURGE | 557K| 8717K| | 2789 (2)
| 00:00:34 |
| 4 | TABLE ACCESS FULL | RX_TX | 578K| 130M| | 6918 (2)
| 00:01:24 |
PLAN_TABLE_OUTPUT
Predicate Information (identified by operation id):
2 - access("ID"="ID")
3 - filter("TABLE_NAME"='rx_tx')
22 rows selected.
SQL> select b.name, a.value from v$sesstat a, v$statname b
where a.statistic# = b.statistic#
and a.value > 0 2 3
4 and b.name like '%wait%'
5 and a.sid=1026;
NAME VALUE
concurrency wait time 1615
application wait time 388
user I/O wait time 13403000
enqueue waits 1
shared hash latch upgrades - no wait 7924935
redo log space wait time 2852
6 rows selected.
Any help would be appreciable.
This deletes more that 60% of the records from this table so indexed should be out of question here, i think.
Daljit Singh
Message was edited by:
DaljitThanks for replying Reega, here is the required
info:
SQL> select p1text, p1, p2text, p2, p3text, p3 from
v$session where sid=1026;
P1TEXT
1
P2TEXT
2
P3TEXT
3
file#
block#
16937
blocks
6
Actually Reega had a good point, not sure why he didn't go down the route.
You may want to find out what's that table/index your session is waiting from the value, something like
select owner||'.'||segment_name, segment_type
from dba_extents
where file_id=4 and (block_id between 116937 and 116937+66)This might be a long run query if you have many objects.
Actually the better view to query is v$session_wait instead of v$session.
Check article you might find useful,
Oracle wait tuning with v$session_wait -
Please help. New user here. Broken.
*Hi there, today my iPhone 3G 16gb home button has stopped working, ive tryed reseting it turning it on and off and have also put it back to factory settings and nothing has helped. I bought the phone from the O2 store (Im from England)*
*What im asking is if i take it into the shop will they replace it? its been about 2-3 months since i bought it.*
*Or do i have to take it into the Apple store and will they replace it?*
*Help please.*
*Thank you*Service provider? Do you mean the network? if you do im on O2, in the UK O2 and Apple stores are the only stores that sell the iPhone, but i bought it from the O2 store just a regular shop with no genius bar. So i only have the O2 store recipt.
-
Performance Setup and Setting up SSDs and HDDs. PLEASE HELP! Newbie over here!
I am new to all of this Adobe setups and learning computer hardware. So please go easy on me.
First question. What would be the best way to setup my computer for the best performance when using After Effects and Premiere at the same time? I really don't understand this. What's the best options here when I only have 16 GB of RAM?
Second Question. How should I set my drives up? This is what I think to be correct but I would love a second opinion.
And also what's the best way to set this up for Premiere?Start with Tweakers Page and the articles there.
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