Penultimate labels
It seems to me now that pop labels are only sent for directly connected network prefixes, and not for other learnt prefixes but outside the mpls cloud. For these other prefixes, the edge LSR uses the untagged label.
Is there a way to configure, such that pop labels are sent for all prefixes outside the MPLS cloud?
Does the default route always have the implicit-null label?
Also, what is the difference in the implicit-null and explicit-null labels?
Prefixes outside the MPLS domain will usually be outside your AS and therefore learnt via BGP. Inside your MPLS domain these prefixes are resolvable via the BGP next hop, which is a FEC belonging to one of your edge LSRs.
From the edge LSR you can force the propagation of an explicit-null label (label value of 0) by configuring the "mpls ldp explicit-null" command. By default LDP uses implicit-null labels for all attached FECs.
The implicit-null (label value of 3) means that the top label has to be removed (popped) before the packet is forwarded to the next-hop. In non l3vpn or l2vpn scenarios, this will leave your packet without labels and the edge LSR will base its QOS decision on the IP precedence rather than the experimental bits.
The explicit-null means that the top label will be replaced by an explicit-label value of zero. This is used in some QOS scenarios, where mpls experimental bits have to be used rather than IP precedence. For more information on when it might be wishable to use an explicit-null label, refer to the following document:
http://www.cisco.com/en/US/partner/tech/tk436/tk428/technologies_tech_note09186a008022ad7e.shtml#modes
Hope this helps,
Similar Messages
-
Hi,
A quick question. Does anyone know if when said that last hop router signals implicit null to penultimate router it actually sends the advertisement (LDP for example) with a label value of 3 or is there another way to signal that?
If so, I assume that with MPLS-TE LSPs it's the same thing but with RSVP Resv message...
Thanks,
DavidHello David,
in fact Label value 3 has the meaning "implicit null". So whatever protocoll is used (LDP or RSVP) this is the signaled value to activate PHP (penultimate hop popping).
From RFC 3032 section 2.1
" iv. A value of 3 represents the "Implicit NULL Label". This is a label that an LSR may assign and distribute, but which never actually appears in the encapsulation. When an LSR would otherwise replace the label at the top of the stack with a new label, but the new label is "Implicit NULL", the LSR will pop the stack instead of doing the replacement. Although this value may never appear in the encapsulation, it needs to be specified in the Label Distribution Protocol, so a value is reserved."
Hope this helps! Please rate all helpful posts!
Martin -
How implicit NULL and Explicit NULL label are useful in MPLS netowrk? what is main function of both the labels?
Dan,
implicit (label value of 3) and explicit (label value of 0) null labels are used by the router terminating an LSP to tell the penultimate hop how to behave when sending traffic along the LSP. An implicit null means that the penultimate hop router has to pop the label before forwarding to the egress router and explicit null means swap the incoming label with a label value of 0 (explicit null). The explicit null is sometimes used to convey the MPLS QOS value down to the egress router (sometimes refer to the pipe mode).
Refer to the following document for more information on the pipe mode.
http://www/en/US/tech/tk828/technologies_q_and_a_item09186a00800a43f5.shtml#wp27375
Regards, -
Hi
Firstly apologies for the rather basic question, i suspect i am being a little thick here, but i just need something confirming.
Attached is a visio of a very basic MPLS setup, no VPN's, no TE.
When i first set this up i used the physcial interface addresses for the IBGP peering between the PE routers ie.
R2 - 192.168.5.2
R3 - 192.168.6.2
The problem here was that on the P router (R1) when i did a "show mpls forwarding-table" there were no entries.
On R2 the action to reach R3 was to pop the tag. Now i'm assuming that was because of penultimate pop hopping ?
Problem was, once i exchanged routes between SW3 and R4 i could not ping from 10.100.1.1 to 10.90.1.1. The reason being i assume because the packet gets to R3, R3 does not apply an MPLS label but just forwards on to R1 and R1 does not have a route for 10.90.1.1 because only the PE routers are aware of this network.
So i then added loopback 1 interfaces on both PE routers and used these to peer R2 with R3. R1 now had entries in it's MPLS forwarding table and i could ping from 10.100.1.1 to 10.90.1.1.
So my question is twofold
1) Can i not peer between R2 & R3 on the physical interface addresses for IBGP because of penultimate pop hopping.
2) Is there anything i could have done with the original setup to make it work.
Have i just completely misunderstood it all :)
Jon1) You indeed need to peer on the PE loopback addresses for the reason you just explained. If you use the IP address of the physical interface between the P and PE then the ingress PE performs the PHP as the destination is directly connected to the P router and therefore the ingress PE becomes the penultimate hop router.
2) Using the PE loopback address to iBGP peer is the right thing to do. Anything else would go against best practices and recommendations.
Regards, -
NEED HELP IN LABELLING A TRIANGLE _ VERTICES
PLEASE HELP ______
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
import java.lang.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.FileDialog;
import java.io.*;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.JFrame;
public class Geometry {
CardLayout cards;
JPanel panel;
public Geometry() {
cards = new CardLayout();
panel = new JPanel(cards);
addCards();
JFrame f = new JFrame("Geometry");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setJMenuBar(getMenuBar());
f.getContentPane().add(panel);
f.setSize(500,500);
f.setLocation(0,0);
f.setVisible(true);
f.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Draggg: x=" + e.getX() + "; y=" + e.getY());
// public void mouseMoved(MouseEvent me) {
// System.out.println("Moving: x=" + me.getX() + "; y=" + me.getY());
// panel.addMouseMotionListener(
// new MouseMotionListener() { //anonymous inner class
// //handle mouse drag event
// public void mouseDragged(MouseEvent me) {
// setTitle("Dragging: x=" + me.getX() + "; y=" + me.getY());
// public void mouseMoved(MouseEvent me) {
// setTitle("Moving: x=" + me.getX() + "; y=" + me.getY());
private void addCards() {
// card one
TriangleModel tri = new TriangleModel(175,100,175,250,325,250);
TriangleView view = new TriangleView(tri);
JPanel panelOne = new JPanel(new BorderLayout());
panelOne.add(view.getUIPanel(), "North");
panelOne.add(view);
panelOne.add(view.getTablePanel(), "South");
panelOne.setName("Pythagoras's Theorem");
panel.add("Pythagoras's Theorem", panelOne);
view.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse at " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Dragging: x=" + e.getX() + "; y=" + e.getY());
// card two
TestModel trin = new TestModel(175,100,175,250,325,250);
TestView viewn = new TestView(trin);
JPanel panelTwo = new JPanel(new BorderLayout());
panelTwo.add(viewn.getUIPanel(), "North");
// panelTwo.setBackground(Color.blue);
panelTwo.setName("Similar Triangles");
panelTwo.add(viewn);
panelTwo.add(viewn.getTablePanel(), "South");
viewn.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse at " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Dragging: x=" + e.getX() + "; y=" + e.getY());
panel.add("Similar Triangles", panelTwo);
JPanel panelThree = new JPanel();
panelThree.setBackground(Color.white);
panelThree.setName("Circle Theorem1");
panel.add("Circle Theorem1", panelThree);
private JMenuBar getMenuBar() {
JMenu File = new JMenu("File");
JSeparator separator1 = new JSeparator();
JMenuItem Open = new JMenuItem("Open");
// Open.addActionListener(new java.awt.event.ActionListener() {
// public void actionPerformed(java.awt.event.ActionEvent evt) {
// openActionPerformed(evt);
JMenuItem Save = new JMenuItem("Save");
JMenuItem Print = new JMenuItem("Print");
JMenuItem Exit = new JMenuItem("Exit");
Exit.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
ExitActionPerformed(evt);
JMenu theorem = new JMenu("Theorem");
ActionListener l = new ActionListener() {
public void actionPerformed(ActionEvent e) {
JMenuItem item = (JMenuItem)e.getSource();
String name = item.getActionCommand();
cards.show(panel, name);
Component[] c = panel.getComponents();
for(int j = 0; j < panel.getComponentCount(); j++) {
String name = c[j].getName();
JMenuItem item = new JMenuItem(name);
item.setActionCommand(name);
item.addActionListener(l);
theorem.add(item);
JMenuBar menuBar = new JMenuBar();
JMenuBar menuBar1 = new JMenuBar();
menuBar.add(File);
File.add(Open);
File.add(separator1);
File.add(Save);
File.add(Print);
File.add(Exit);
menuBar.add(theorem);
return menuBar;
// private void openActionPerformed(java.awt.event.ActionEvent evt) {
// FileDialog fileDialog = new FileDialog(this, "Open...", FileDialog.LOAD);
// fileDialog.show();
// if (fileDialog.getFile() == null)
// return;
// fileName = fileDialog.getDirectory() + File.separator + fileDialog.getFile();
// FileInputStream fis = null;
// String str = null;
// try {
// fis = new FileInputStream(fileName);
// int size = fis.available();
// byte[] bytes = new byte [size];
// fis.read(bytes);
// str = new String(bytes);
// } catch (IOException e) {
// } finally {
// try {
// fis.close();
// } catch (IOException e2) {
// if (str != null)
// textBox.setText(str);
private void ExitActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
System.exit(0);
public static void main(String[] args) {
new Geometry();
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
public class Triangle
public Triangle()
TriangleModel tri = new TriangleModel(175,100,175,250,325,250);
TriangleView view = new TriangleView(tri);
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.getContentPane().add(view.getUIPanel(), "North");
f.getContentPane().add(view);
f.getContentPane().add(view.getTablePanel(), "South");
f.setSize(500,500);
f.setLocation(200,200);
f.setVisible(true);
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import javax.swing.JTable;
import javax.swing.event.MouseInputAdapter;
* TriangleControl.java
* Created on 06 February 2005, 01:19
* @author Rahindra Naidoo
public class TriangleControl extends MouseInputAdapter
TriangleView view;
TriangleModel model;
Point start;
boolean dragging, altering;
Rectangle lineLens; // used for line selection
public TriangleControl(TriangleView tv)
view = tv;
model = view.getModel();
dragging = altering = false;
lineLens = new Rectangle(0, 0, 6, 6);
public void mousePressed(MouseEvent e)
Point p = e.getPoint();
lineLens.setLocation(p.x - 3, p.y - 3);
// are we over a line
if(model.isLineSelected(lineLens))
start = p;
altering = true;
// or are we within the triangle
else if(model.contains(p))
start = p;
dragging = true;
public void mouseReleased(MouseEvent e)
altering = false;
dragging = false;
view.getCentroidLabel().setText("centroid location: " +
model.findCentroid());
view.repaint(); // for the construction lines
public void mouseDragged(MouseEvent e)
Point p = e.getPoint();
if(altering)
int x = p.x - start.x;
int y = p.y - start.y;
model.moveSide(x, y, p);
updateTable();
view.repaint();
start = p;
else if(dragging)
int x = p.x - start.x;
int y = p.y - start.y;
model.translate(x, y);
view.repaint();
start = p;
private void updateTable()
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[] angles = model.getAngles();
JTable table = view.getTable();
for(int j = 0; j < angles.length; j++)
table.setValueAt(lengths[j], 1, j + 1);
table.setValueAt(squares[j], 2, j + 1);
table.setValueAt(angles[j], 3, j + 1);
view.getCentroidLabel().setText("centroid location: " +
model.findCentroid());
* TriangleModel.java
* Created on 06 February 2005, 01:18
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
* @author Rahindra Naidoo
public class TriangleModel // (x1, y1)
{ // |\
static final int SIDES = 3; // | \
private int cx, cy; // | \
Polygon triangle; // |_ _\ (x3, y3)
int selectedIndex; // (x2, y2)
NumberFormat nf;
Line2D[] medians;
Point2D centroid;
public TriangleModel(int x1, int y1, int x2, int y2, int x3, int y3)
int[] x = new int[] { x1, x2, x3 };
int[] y = new int[] { y1, y2, y3 };
triangle = new Polygon(x, y, SIDES);
nf = NumberFormat.getNumberInstance();
nf.setMaximumFractionDigits(1);
public boolean contains(Point p)
// Polygon.contains doesn't work well enough
return (new Area(triangle)).contains(p);
public boolean isLineSelected(Rectangle r)
Line2D line = new Line2D.Double();
for(int j = 0; j < SIDES; j++)
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
int x1 = x[j];
int y1 = y[j];
int x2 = x[(j + 1) % SIDES];
int y2 = y[(j + 1) % SIDES];
line.setLine(x1, y1, x2, y2);
if(line.intersects(r))
selectedIndex = j;
return true;
selectedIndex = -1;
return false;
* Only works for right triangle with right angle at (x2, y2)
public void moveSide(int dx, int dy, Point p)
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
switch(selectedIndex)
case 0:
x[0] += dx;
x[1] += dx;
break;
case 1:
y[1] += dy;
y[2] += dy;
break;
case 2:
double rise = y[2] - y[0];
double run = x[2] - x[0];
double slope = rise/run;
// rise / run == (y[2] - p.y) / (x[2] - p.x)
x[2] = p.x + (int)((y[2] - p.y) / slope);
// rise / run == (p.y - y[0]) / (p.x - x[0])
y[0] = p.y - (int)((p.x - x[0]) * slope);
public void translate(int dx, int dy)
triangle.translate(dx, dy);
public Polygon getTriangle()
return triangle;
public String findCentroid()
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
// construct the medians defined as the line from
// any vertex to the midpoint of the opposite line
medians = new Line2D[x.length];
for(int j = 0; j < x.length; j++)
int next = (j + 1) % x.length;
int last = (j + 2) % x.length;
Point2D vertex = new Point2D.Double(x[j], y[j]);
// get midpoint of line opposite vertex
double dx = ((double)x[last] - x[next])/2;
double dy = ((double)y[last] - y[next])/2;
Point2D oppLineCenter = new Point2D.Double(x[next] + dx,
y[next] + dy);
medians[j] = new Line2D.Double(vertex, oppLineCenter);
// centroid is located on any median 2/3 the way from the
// vertex (P1) to the midpoint (P2) on the opposite side
double[] lengths = getSideLengths();
double dx = (medians[0].getX2() - medians[0].getX1())*2/3;
double dy = (medians[0].getY2() - medians[0].getY1())*2/3;
double px = medians[0].getX1() + dx;
double py = medians[0].getY1() + dy;
//System.out.println("px = " + nf.format(px) +
// "\tpy = " + nf.format(py));
centroid = new Point2D.Double(px, py);
return "(" + nf.format(px) + ", " + nf.format(py) + ")";
public String[] getAngles()
double[] lengths = getSideLengths();
String[] vertices = new String[lengths.length];
for(int j = 0; j < lengths.length; j++)
int opp = (j + 1) % lengths.length;
int last = (j + 2) % lengths.length;
double top = lengths[j] * lengths[j] +
lengths[last] * lengths[last] -
lengths[opp] * lengths[opp];
double divisor = 2 * lengths[j] * lengths[last];
double vertex = Math.acos(top / divisor);
vertices[j] = nf.format(Math.toDegrees(vertex));
return vertices;
public String[] getLengths()
double[] lengths = getSideLengths();
String[] lengthStrs = new String[lengths.length];
for(int j = 0; j < lengthStrs.length; j++)
lengthStrs[j] = nf.format(lengths[j]);
return lengthStrs;
public String[] getSquares()
double[] lengths = getSideLengths();
String[] squareStrs = new String[lengths.length];
for(int j = 0; j < squareStrs.length; j++)
squareStrs[j] = nf.format(lengths[j] * lengths[j]);
return squareStrs;
private double[] getSideLengths()
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
double[] lengths = new double[SIDES];
for(int j = 0; j < SIDES; j++)
int next = (j + 1) % SIDES;
lengths[j] = Point.distance(x[j], y[j], x[next], y[next]);
return lengths;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
* TriangleView.java
* Created on 06 February 2005, 01:21
public class TriangleView extends JPanel
private TriangleModel model;
private Polygon triangle;
private JTable table;
private JLabel centroidLabel;
private boolean showConstruction;
TriangleControl control;
public TriangleView(TriangleModel model)
this.model = model;
triangle = model.getTriangle();
showConstruction = false;
control = new TriangleControl(this);
addMouseListener(control);
addMouseMotionListener(control);
public void paintComponent(Graphics g)
super.paintComponent(g);
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.draw(triangle);
if(model.medians == null)
centroidLabel.setText("centroid location: " + model.findCentroid());
// draw medians and centroid point
if(showConstruction && !control.dragging)
g2.setPaint(Color.red);
for(int j = 0; j < 3; j++)
g2.draw(model.medians[j]);
g2.setPaint(Color.blue);
g2.fill(new Ellipse2D.Double(model.centroid.getX() - 2,
model.centroid.getY() - 2, 4, 4));
public TriangleModel getModel()
return model;
public JTable getTable()
return table;
public JLabel getCentroidLabel()
return centroidLabel;
public JPanel getUIPanel()
JCheckBox showCon = new JCheckBox("show construction");
showCon.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
boolean state = ((JCheckBox)e.getSource()).isSelected();
showConstruction = state;
repaint();
JPanel panel = new JPanel();
panel.add(showCon);
return panel;
public JPanel getTablePanel()
String[] headers = new String[] { "", "", "", "" };
// row and column data labels
String[] rowHeaders = {
"sides", "lengths", "squares", "angles", "degrees"
String[] sidesRow = { "vertical", "horizontal", "hypotenuse" };
String[] anglesRow = { "hyp to ver", "ver to hor", "hor to hyp" };
// collect data from model
String[] angles = model.getAngles();
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[][] allData = { sidesRow, lengths, squares, anglesRow, angles };
int rows = 5;
int cols = 4;
Object[][] data = new Object[rows][cols];
for(int row = 0; row < rows; row++)
data[row][0] = rowHeaders[row];
for(int col = 1; col < cols; col++)
data[row][col] = allData[row][col - 1];
table = new JTable(data, headers)
public boolean isCellEditable(int row, int col)
return false;
DefaultTableCellRenderer renderer =
(DefaultTableCellRenderer)table.getDefaultRenderer(String.class);
renderer.setHorizontalAlignment(JLabel.CENTER);
centroidLabel = new JLabel("centroid location: ", JLabel.CENTER);
Dimension d = centroidLabel.getPreferredSize();
d.height = table.getRowHeight();
centroidLabel.setPreferredSize(d);
JPanel panel = new JPanel(new BorderLayout());
panel.setBorder(BorderFactory.createTitledBorder("triangle data"));
panel.add(table);
panel.add(centroidLabel, "South");
return panel;
}PLEASE HELP ME TO LABEL THE TRIANGLE AND CHANGE THE VALUES OF THE JTABLE - to SHOW ASquare b Square and C square as well as a label on the bottom of the screen to show A^2 + B^2 = C^2 ...
ThANKSpublic void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.drawPolygon(triangle);
// label the triangle
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[] angles = model.getAngles();
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
for(int j = 0; j < x.length; j++) {
Point2D vertex = new Point2D.Double(x[j], y[j]);
int next = (j + 0) % x.length;
int last = (j + 1) % x.length;
double dx = ((double)x[last] - x[next])/2;
double dy = ((double)y[last] - y[next])/2;
Point2D center = new Point2D.Double(x[next] + dx, y[next] + dy);
g2.drawString(angles[j],(int)vertex.getX(),(int)vertex.getY());
g2.drawString(lengths[j],(int)center.getX(),(int)center.getY());
g2.drawString(squares[0],100, getHeight());
g2.drawString(" + "+squares[1],150, getHeight());
g2.drawString(" = "+squares[2],200, getHeight());
if(model.medians == null)
centroidLabel.setText("centroid location: " + model.findCentroid());
// draw medians and centroid point
if(showConstruction && !control.dragging) {
g2.setPaint(Color.red);
for(int j = 0; j < 3; j++)
g2.draw(model.medians[j]);
g2.setPaint(Color.blue);
g2.fill(new Ellipse2D.Double(model.centroid.getX() - 2,
model.centroid.getY() - 2, 4, 4));
} -
URGENT HELP REQUIRED _ Creating Labels for Triangle
Hi everyone... the code below is my application - Pythagoras Theorem.. or rather displaying it.. But i have not been able to get the Vertex of the triangle Labelled as A B C... I need to do that and change the Triangle Table data to A B C insted of Horizontal Vertical and Hypotenuise and as the triangle is stretched on screen A B And C keep moving as well ...
Besides i need to Show this in the tabel
- Values of A ^ 2 , B^2 and C ^2 as welll as a row showing A^2+B^2 = C^2
the code is as follows..
This is the main class called Geometry
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
import java.lang.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.FileDialog;
import java.io.*;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.JFrame;
public class Geometry {
CardLayout cards;
JPanel panel;
public Geometry() {
cards = new CardLayout();
panel = new JPanel(cards);
addCards();
JFrame f = new JFrame("Geometry");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setJMenuBar(getMenuBar());
f.getContentPane().add(panel);
f.setSize(500,500);
f.setLocation(0,0);
f.setVisible(true);
f.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Draggg: x=" + e.getX() + "; y=" + e.getY());
// public void mouseMoved(MouseEvent me) {
// System.out.println("Moving: x=" + me.getX() + "; y=" + me.getY());
// panel.addMouseMotionListener(
// new MouseMotionListener() { //anonymous inner class
// //handle mouse drag event
// public void mouseDragged(MouseEvent me) {
// setTitle("Dragging: x=" + me.getX() + "; y=" + me.getY());
// public void mouseMoved(MouseEvent me) {
// setTitle("Moving: x=" + me.getX() + "; y=" + me.getY());
private void addCards() {
// card one
TriangleModel tri = new TriangleModel(175,100,175,250,325,250);
TriangleView view = new TriangleView(tri);
JPanel panelOne = new JPanel(new BorderLayout());
panelOne.add(view.getUIPanel(), "North");
panelOne.add(view);
panelOne.add(view.getTablePanel(), "South");
panelOne.setName("Pythagoras's Theorem");
panel.add("Pythagoras's Theorem", panelOne);
view.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse at " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Dragging: x=" + e.getX() + "; y=" + e.getY());
// card two
TestModel trin = new TestModel(175,100,175,250,325,250);
TestView viewn = new TestView(trin);
JPanel panelTwo = new JPanel(new BorderLayout());
panelTwo.add(viewn.getUIPanel(), "North");
// panelTwo.setBackground(Color.blue);
panelTwo.setName("Similar Triangles");
panelTwo.add(viewn);
panelTwo.add(viewn.getTablePanel(), "South");
viewn.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse at " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Dragging: x=" + e.getX() + "; y=" + e.getY());
panel.add("Similar Triangles", panelTwo);
JPanel panelThree = new JPanel();
panelThree.setBackground(Color.white);
panelThree.setName("Circle Theorem1");
panel.add("Circle Theorem1", panelThree);
private JMenuBar getMenuBar() {
JMenu File = new JMenu("File");
JSeparator separator1 = new JSeparator();
JMenuItem Open = new JMenuItem("Open");
// Open.addActionListener(new java.awt.event.ActionListener() {
// public void actionPerformed(java.awt.event.ActionEvent evt) {
// openActionPerformed(evt);
JMenuItem Save = new JMenuItem("Save");
JMenuItem Print = new JMenuItem("Print");
JMenuItem Exit = new JMenuItem("Exit");
Exit.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
ExitActionPerformed(evt);
JMenu theorem = new JMenu("Theorem");
ActionListener l = new ActionListener() {
public void actionPerformed(ActionEvent e) {
JMenuItem item = (JMenuItem)e.getSource();
String name = item.getActionCommand();
cards.show(panel, name);
Component[] c = panel.getComponents();
for(int j = 0; j < panel.getComponentCount(); j++) {
String name = c[j].getName();
JMenuItem item = new JMenuItem(name);
item.setActionCommand(name);
item.addActionListener(l);
theorem.add(item);
JMenuBar menuBar = new JMenuBar();
JMenuBar menuBar1 = new JMenuBar();
menuBar.add(File);
File.add(Open);
File.add(separator1);
File.add(Save);
File.add(Print);
File.add(Exit);
menuBar.add(theorem);
return menuBar;
// private void openActionPerformed(java.awt.event.ActionEvent evt) {
// FileDialog fileDialog = new FileDialog(this, "Open...", FileDialog.LOAD);
// fileDialog.show();
// if (fileDialog.getFile() == null)
// return;
// fileName = fileDialog.getDirectory() + File.separator + fileDialog.getFile();
// FileInputStream fis = null;
// String str = null;
// try {
// fis = new FileInputStream(fileName);
// int size = fis.available();
// byte[] bytes = new byte [size];
// fis.read(bytes);
// str = new String(bytes);
// } catch (IOException e) {
// } finally {
// try {
// fis.close();
// } catch (IOException e2) {
// if (str != null)
// textBox.setText(str);
private void ExitActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
System.exit(0);
public static void main(String[] args) {
new Geometry();
}import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
public class Triangle
public Triangle()
TriangleModel tri = new TriangleModel(175,100,175,250,325,250);
TriangleView view = new TriangleView(tri);
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.getContentPane().add(view.getUIPanel(), "North");
f.getContentPane().add(view);
f.getContentPane().add(view.getTablePanel(), "South");
f.setSize(500,500);
f.setLocation(200,200);
f.setVisible(true);
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import javax.swing.JTable;
import javax.swing.event.MouseInputAdapter;
* TriangleControl.java
* Created on 06 February 2005, 01:19
* @author Rahindra Naidoo
public class TriangleControl extends MouseInputAdapter
TriangleView view;
TriangleModel model;
Point start;
boolean dragging, altering;
Rectangle lineLens; // used for line selection
public TriangleControl(TriangleView tv)
view = tv;
model = view.getModel();
dragging = altering = false;
lineLens = new Rectangle(0, 0, 6, 6);
public void mousePressed(MouseEvent e)
Point p = e.getPoint();
lineLens.setLocation(p.x - 3, p.y - 3);
// are we over a line
if(model.isLineSelected(lineLens))
start = p;
altering = true;
// or are we within the triangle
else if(model.contains(p))
start = p;
dragging = true;
public void mouseReleased(MouseEvent e)
altering = false;
dragging = false;
view.getCentroidLabel().setText("centroid location: " +
model.findCentroid());
view.repaint(); // for the construction lines
public void mouseDragged(MouseEvent e)
Point p = e.getPoint();
if(altering)
int x = p.x - start.x;
int y = p.y - start.y;
model.moveSide(x, y, p);
updateTable();
view.repaint();
start = p;
else if(dragging)
int x = p.x - start.x;
int y = p.y - start.y;
model.translate(x, y);
view.repaint();
start = p;
private void updateTable()
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[] angles = model.getAngles();
JTable table = view.getTable();
for(int j = 0; j < angles.length; j++)
table.setValueAt(lengths[j], 1, j + 1);
table.setValueAt(squares[j], 2, j + 1);
table.setValueAt(angles[j], 3, j + 1);
view.getCentroidLabel().setText("centroid location: " +
model.findCentroid());
* TriangleModel.java
* Created on 06 February 2005, 01:18
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
* @author Rahindra Naidoo
public class TriangleModel // (x1, y1)
{ // |\
static final int SIDES = 3; // | \
private int cx, cy; // | \
Polygon triangle; // |_ _\ (x3, y3)
int selectedIndex; // (x2, y2)
NumberFormat nf;
Line2D[] medians;
Point2D centroid;
public TriangleModel(int x1, int y1, int x2, int y2, int x3, int y3)
int[] x = new int[] { x1, x2, x3 };
int[] y = new int[] { y1, y2, y3 };
triangle = new Polygon(x, y, SIDES);
nf = NumberFormat.getNumberInstance();
nf.setMaximumFractionDigits(1);
public boolean contains(Point p)
// Polygon.contains doesn't work well enough
return (new Area(triangle)).contains(p);
public boolean isLineSelected(Rectangle r)
Line2D line = new Line2D.Double();
for(int j = 0; j < SIDES; j++)
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
int x1 = x[j];
int y1 = y[j];
int x2 = x[(j + 1) % SIDES];
int y2 = y[(j + 1) % SIDES];
line.setLine(x1, y1, x2, y2);
if(line.intersects(r))
selectedIndex = j;
return true;
selectedIndex = -1;
return false;
* Only works for right triangle with right angle at (x2, y2)
public void moveSide(int dx, int dy, Point p)
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
switch(selectedIndex)
case 0:
x[0] += dx;
x[1] += dx;
break;
case 1:
y[1] += dy;
y[2] += dy;
break;
case 2:
double rise = y[2] - y[0];
double run = x[2] - x[0];
double slope = rise/run;
// rise / run == (y[2] - p.y) / (x[2] - p.x)
x[2] = p.x + (int)((y[2] - p.y) / slope);
// rise / run == (p.y - y[0]) / (p.x - x[0])
y[0] = p.y - (int)((p.x - x[0]) * slope);
public void translate(int dx, int dy)
triangle.translate(dx, dy);
public Polygon getTriangle()
return triangle;
public String findCentroid()
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
// construct the medians defined as the line from
// any vertex to the midpoint of the opposite line
medians = new Line2D[x.length];
for(int j = 0; j < x.length; j++)
int next = (j + 1) % x.length;
int last = (j + 2) % x.length;
Point2D vertex = new Point2D.Double(x[j], y[j]);
// get midpoint of line opposite vertex
double dx = ((double)x[last] - x[next])/2;
double dy = ((double)y[last] - y[next])/2;
Point2D oppLineCenter = new Point2D.Double(x[next] + dx,
y[next] + dy);
medians[j] = new Line2D.Double(vertex, oppLineCenter);
// centroid is located on any median 2/3 the way from the
// vertex (P1) to the midpoint (P2) on the opposite side
double[] lengths = getSideLengths();
double dx = (medians[0].getX2() - medians[0].getX1())*2/3;
double dy = (medians[0].getY2() - medians[0].getY1())*2/3;
double px = medians[0].getX1() + dx;
double py = medians[0].getY1() + dy;
//System.out.println("px = " + nf.format(px) +
// "\tpy = " + nf.format(py));
centroid = new Point2D.Double(px, py);
return "(" + nf.format(px) + ", " + nf.format(py) + ")";
public String[] getAngles()
double[] lengths = getSideLengths();
String[] vertices = new String[lengths.length];
for(int j = 0; j < lengths.length; j++)
int opp = (j + 1) % lengths.length;
int last = (j + 2) % lengths.length;
double top = lengths[j] * lengths[j] +
lengths[last] * lengths[last] -
lengths[opp] * lengths[opp];
double divisor = 2 * lengths[j] * lengths[last];
double vertex = Math.acos(top / divisor);
vertices[j] = nf.format(Math.toDegrees(vertex));
return vertices;
public String[] getLengths()
double[] lengths = getSideLengths();
String[] lengthStrs = new String[lengths.length];
for(int j = 0; j < lengthStrs.length; j++)
lengthStrs[j] = nf.format(lengths[j]);
return lengthStrs;
public String[] getSquares()
double[] lengths = getSideLengths();
String[] squareStrs = new String[lengths.length];
for(int j = 0; j < squareStrs.length; j++)
squareStrs[j] = nf.format(lengths[j] * lengths[j]);
return squareStrs;
private double[] getSideLengths()
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
double[] lengths = new double[SIDES];
for(int j = 0; j < SIDES; j++)
int next = (j + 1) % SIDES;
lengths[j] = Point.distance(x[j], y[j], x[next], y[next]);
return lengths;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
* TriangleView.java
* Created on 06 February 2005, 01:21
public class TriangleView extends JPanel
private TriangleModel model;
private Polygon triangle;
private JTable table;
private JLabel centroidLabel;
private boolean showConstruction;
TriangleControl control;
public TriangleView(TriangleModel model)
this.model = model;
triangle = model.getTriangle();
showConstruction = false;
control = new TriangleControl(this);
addMouseListener(control);
addMouseMotionListener(control);
public void paintComponent(Graphics g)
super.paintComponent(g);
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.draw(triangle);
if(model.medians == null)
centroidLabel.setText("centroid location: " + model.findCentroid());
// draw medians and centroid point
if(showConstruction && !control.dragging)
g2.setPaint(Color.red);
for(int j = 0; j < 3; j++)
g2.draw(model.medians[j]);
g2.setPaint(Color.blue);
g2.fill(new Ellipse2D.Double(model.centroid.getX() - 2,
model.centroid.getY() - 2, 4, 4));
public TriangleModel getModel()
return model;
public JTable getTable()
return table;
public JLabel getCentroidLabel()
return centroidLabel;
public JPanel getUIPanel()
JCheckBox showCon = new JCheckBox("show construction");
showCon.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
boolean state = ((JCheckBox)e.getSource()).isSelected();
showConstruction = state;
repaint();
JPanel panel = new JPanel();
panel.add(showCon);
return panel;
public JPanel getTablePanel()
String[] headers = new String[] { "", "", "", "" };
// row and column data labels
String[] rowHeaders = {
"sides", "lengths", "squares", "angles", "degrees"
String[] sidesRow = { "vertical", "horizontal", "hypotenuse" };
String[] anglesRow = { "hyp to ver", "ver to hor", "hor to hyp" };
// collect data from model
String[] angles = model.getAngles();
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[][] allData = { sidesRow, lengths, squares, anglesRow, angles };
int rows = 5;
int cols = 4;
Object[][] data = new Object[rows][cols];
for(int row = 0; row < rows; row++)
data[row][0] = rowHeaders[row];
for(int col = 1; col < cols; col++)
data[row][col] = allData[row][col - 1];
table = new JTable(data, headers)
public boolean isCellEditable(int row, int col)
return false;
DefaultTableCellRenderer renderer =
(DefaultTableCellRenderer)table.getDefaultRenderer(String.class);
renderer.setHorizontalAlignment(JLabel.CENTER);
centroidLabel = new JLabel("centroid location: ", JLabel.CENTER);
Dimension d = centroidLabel.getPreferredSize();
d.height = table.getRowHeight();
centroidLabel.setPreferredSize(d);
JPanel panel = new JPanel(new BorderLayout());
panel.setBorder(BorderFactory.createTitledBorder("triangle data"));
panel.add(table);
panel.add(centroidLabel, "South");
return panel;
}PLEASE HELP ---- Also does any one know how to draw a Triangle on a screen which can be controlled by a JSlider such that as and whenits incremented the triangle increase and vice versa... I need to prove Similarity in triangles using A Jslider that controls one triangle while the other triangle is Still on screenSharan,
The code given was part of the assignment and you are supposed to make the changes for your part right?
Please give details of what you have done so far and not expect us to do your assignment for you. We'll be glad to help answer questions and point to the right direction, but giving us the entire assignment and saying, very nicely I might add, "Please do it for me." Just seems to make a mockery of the hours, days, and years that many of us has spent earning our degrees and learning our skills.
Work on it and ask specific questions with examples of what you have done and you'll get a much better response. -
Boot image does not exist and cannot read disk label errors.
Hi - I'm having a problem with installing Solaris 9 4/04 on a Netra T1. The Netra already has Solaris 7. I need to get this set up as a jumpstart server but it can't find the boot image. I'm using a brand new bonafide installation disk - not a copy. The system won't let me install/upgrade to Solaris 9 either. I get an error stating that disk label can't be read. I've tried swapping out the CDROM but I still get the same errors. Does anyone know what or why this may be happening? (Oh - and another strange thing - like I said the CDs are the original but there doesn't appear to be a cdrom/cdrom0/s0 directory. The directory I see is cdrom/cdrom0/sol_9_404_sparc/Solaris_9/Tools)
ERROR: Install boot image /cdrom/sol_9_404_sparc/Solaris_9/Tools/Boot does not exist
Check that boot image exists, or use [-t] to
specify a valid boot image elsewhere.
and
Excuting last command: boot cdrom [- nowin]
Boot device: /pci@1f,0/pc1@1/ide/cdrom@2:f file and args: [- nowin]
Can't read disk label.
Can't open disk label package
Evaulating: boot cdrom [- nowin]@1/ide@e/cdrom@2:f File and args: [- nowin]
Can't open boot device
I appreciate any help at all - is there anyone out there who can tell me what I may be doing wrong?
ThanksHi check that you are booting of the right cd. Make sure it is soalris 9 software 1/2 if that fails then it may well be that your cd is buggered. most likely it is buggered it it cant find the boot image.
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Hi all.
I have a LOT of mail. They're all very organized, though. Heaps of Mailboxes (Folders) and Sub-folders.
I also have heaps of rules dutifully sending incoming mail to their appropriate mailboxes.
However...
It has reached a point where one of of the major bottlenecks in my daily workflow is sorting through all these mailboxes.
There are 5 primary mailboxes with perhaps 100-ish subfolders or sub-subfolders. Maybe more.
When they are all open, or a lot of them are open, it is difficult to find the a specific folder when I need it. It would help if I could close all open folder with a shortcut.
Is this possible?
It would also help if I could visually distinguish each level. Can I color label the mailboxes(not the messages themselves)?
Another help would be if I could run a search for a folder Mailbox name. Is this possible?
Lastly when I create a rule I would love it if there was an option to 'Create new Mailbox' in the rule dialog box rather than having to create the mailbox first. Am I just missing this? See link for illustration:
http://img.skitch.com/20080820-eaqmy89emw6xm5pcj86iuqu992.jpgI just had a look and you need to create the mailbox PRIOR to asking the rules to move it into that.
Now, automator lets you create a new workflow, but not sure as to how to set that one up (might be possible; however, my mathematical brain tells what you want to achieve is flawed:
1) IF new mail equals "tangerine", create new mailbox tangerine, then move message to mailbox "tangerine. (FINE so far!)
2) the second "tangerine" message arrives, and the workflow should FAIL (because it cannot create a "new" mailbox "tangerine", as there is ALREADY a mailbox named "tangerine")
3) if automator cannot execute "If" and "and" and the "sort by" all together, then distinguish (a "tangerine" message might actually need to go to "pear" but refers to "pears and tangerines", so it ends up in the wrong mailbox), you may have to start and restart mail, until all stages of the script have been executed.
You see the problems?
Anyhow, here is a link to some automator info:
http://automatorworld.com/archives/automator-for-os-x-105-leopard-revealed/
Good luck -
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How can I remove unwanted LABELS from the side bar unsung gmail?
I assume you're using GMail as your primary e-mail account? Try this. This is how I am setup. Not only will it move all your contacts to your phone but any changes made in GMail or on the iPhone will be sync'd with the server.
http://www.google.com/support/mobile/bin/answer.py?answer=138740
Note... I think this will delete your existing contacts from your device. You will want to use iTunes to back them up and get them imported into GMail before you sync your device wtih GMail. -
How to "Highlight/Color Label" a single event in Month View.
Hi.
How do i either Hightlight or Color Label a single event or a single calendar in Month View? Like the pic shows, the one on the right...
Thank you for your time.Never Mind... Thank you though..
It's an all day event... -
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Hi, folks.
While having trouble getting my AC power supply cord to power up the 'book (the cord wires were broken and the power would only flow if the cord were held in one position) the battery eventually was
exhausted and the 'book shut down.
This interruption caused the desktop menu, labels, and submenus, to all be labeled AAAAAAAAA....etc.
The A's appear within box (square) shapes. For example the word 'view' looks like this AAAA but in boxes.
I tried to rebuild the desktop but that didn't help. I wanted to trash the desktop preferences, but since everything is labeled AAAAAAA I can't find them! Even the master OS disk (Tiger) is littered with AAAAAA's! I can read the internet ok, however.
What's going on?Hi Ddale53, and a warm welcome to the forums!
http://discussions.apple.com/thread.jspa?messageID=7629337�
http://discussions.apple.com/thread.jspa?threadID=856498&tstart=195 -
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I've been doing my carpool schedule using iCal - each person has their own calendar so they always appear in the same color and can subscribe to just their calendar.
I used to print out a copy to put on the fridge, and each event would be printed in the color of that person's label.
I just upgraded to Tiger (10.4, yeah, i'm behind) and now iCal only prints a little color swatch next to the BLACK text of each event. This makes it much more difficult to see at a glance who has carpool since you can' just tell the color of the enter text from across the room, you have to get up close and either read the black text or squint and try to tell the color of the little line.
Is there a way to put it back to how iCal 1.5 did it?
PS - I'm printing in month view, if that makes a difference.Is the calendar checked in the list of calendars in the popup menu in the upper left corner?
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Hi,
I've had this problem since 10.6.6-ish, i can not color label more than one file at a time in the Finder.
Wether i select two, twenty or twohundred only one file gets color labeled.
It doesn't seem to matter if i assign a color label through the File menu or right click > label.
Figured a re-install might fix this but it hasn't (even a clean install without restoring any kind of backup).
Does anyone else have this issue and/or a fix for it?
Thanks,
JayAaaaanyone ?
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We bought a DYMO Label Writer 4XL. We want to print thermal labels from our Mac and PC, wireless. The good thing is that I already have the printer set in the network and added on each of our computers (Mac and Windows 8). For printing regular labels you can use the Dymo software; for printing postage labels from ebay or paypal has been impossible.
From ebay I even tried one label at the time but still did not work. I sent the the print command from the mac-print-window, changing each of the settings (such as paper size) but did not work. Each time (no matter if you want to print one label only) it advances more than one lable.
http://community.ebay.com/t5/Miscellaneous/Using-a-thermal-printer-for-eBay-labe ls-using-a-Mac/qaq-p/3135261 (post by stormshock)
Through Paypal is a different story. It should be easy cause it seems the Zebra Driver in Paypal works with this DYMO. The issue is how to get the system to send the print command to the DYMO printer through the Zebra LP2488? please help! I know some people have succeded making all these work. What am I missing?
http://www.amazon.com/review/R3E73A6ZX39ZZQ/ref=cm_cr_pr_cmt?ie=UTF8&ASIN=B002M1 LGJ4&linkCode=&nodeID=&tag=#wasThisHelpfulTo whomever is reading this post I just wanted to let you know I returned the Dymo 4XL. Their customer service is horrible. Technical support does not exist at all. The issue was extremely frustrating and time consuming. I do not recommend this thermal printer at all. Good luck finding one... if you do, please share.
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What's wrong? Simple button click to put input on to label
I'm trying to build a simple application with an input box, button, and label.
Clicking the button should take the input box contents and display it upon the label. However, although I have no bugs listed, clicking the button in the app does nothing.
I have in my .h file:
@interface VTViewController : UIViewController
IBOutlet UITextField *input;
IBOutlet UILabel *label;
NSString *contentStore;
-(IBAction)button;
and in my .m file:
#import "VTViewController.h"
@interface VTViewController ()
@end
@implementation VTViewController
-(IBAction)button
[input resignFirstResponder];
contentStore = input.text;
label.text = contentStore;Put a breakpoint in the button method to verify the IBAction is being triggered.
Make sure the IBOutlets are hooked up, for example it should look like this in the Connections Inspector.
It looks like you hand-rolled this rather than Ctrl+dragging the controls into the header. Normally the IBOutlets are synthesized properties, and the button method should have a parameter.
- (IBAction)buttonPushed:(id)sender {
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Mail to File: Attachment is not getting picked
Dears, I have configured a Mail to File Scenario: Where PI will read email and pick the first attachment (.PDF File) and place it on File Server, however some times it is not picking the attachment and not placing it on File server. Case1: In this ca
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It's been a BIG disappointment to learn in the wrong way that '6' alters the previous date based filing structure of images. Seems to have created a new 'roll based' filing system. Date based filing made it very easy to find files when using other ap
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PHP and Session Caching in Sunone V6.0SP4
Good morning, I have a site running V6.0SP4 on Solaris 8 with PHP installed and "working". On another machine, I have Sunone V6.1 with PHP installed and working correctly. We have written some PHP programs that require the use of sessions, so that a