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Wednesday, April 27, 2011

Matlab Syntax Summary before UTS

Reading an image (jpg, bmp, png, tif):
image = imread (‘image.ext’);

Showing an image (jpg, bmp, png, tif):
imshow (‘image.ext’);

Showing some of image in one figure/screen:
subplot (m,n,p); imread(‘img.ext’);

%annotation:
%m = total row
%n = total column
%p = image position

Making a new screen/figure:
figure;

Sunday, April 10, 2011

Create a Digital Clock in Java

Digital Clock in Java
Digital Clock
Download DigitalClock.java
Digital Clock class:
/**
 * @author Eri Setiawan
 */

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.Timer;

public class DigitalClock extends JLabel {
 private String pattern;
 private Timer timer;
 private int delay;

Friday, April 8, 2011

Write Comma Separated Value (CSV) from ResultSet

This code requires the use of the free library java CSV and MyCsvWriter.
. . .
MyCsvWriter csvWriter = new MyCsvWriter("File Name.csv");
try {
      csvWriter.writeColumnNames(rs);
      csvWriter.writeRecords(rs);
      csvWriter.flush();
      csvWriter.close();           
} catch (SQLException e) {
      System.out.println("Oops-> " + e.getMessage());
} catch (IOException e) {
      System.out.println("Oops-> " + e.getMessage());
}
. . .