47pirates

I'm trying to give access to client computer from my server and also tryin to revoke the granted access... the grant is successful but the revoking is not working please help. hms is the satabase that i want to give access to my clients.. my code try { Connection con …

I've client and server on my wireless LAN , I can easily ping from client to server any time n, similarly i can ping from server to client for one time and after the application is run. I cannot ping again to the client from server. Why this is happening …

Why the method of the following class is getting invoked several times even if the condition is false.Please help me with my code... public class PRDDayBook { int remX; public PRDDayBook(int x) { remX = x; PrinterJob pj = PrinterJob.getPrinterJob(); PageFormat pf = pj.defaultPage(); Paper paper = new Paper(); double …

Hello guys i trying to manage the size of two jpanel according to the size of Main Jframe. I using netbeans drag and drop Jpanel1 is big and another one is small. wat i need to do is to change those panels size when main frame is resized> how can …

How can i change my java program in netbeans(currently) so that i can install my program in any other computer? Which is the currently best tool plzz help

I want to store a Vector<Vector<Object>> in mysql database. What is the best data Tpye that i can use in mysql and java to store and retrieve the datas.

In my desktop application whenever execute the code to backup my database from java application the app goes on waiting state may be for password , which we have to enter while backing up from command line. But i've provided the username and password of database in the code. Why …

I'm using Xampp for the database in my computer now what i want to do is to back up the database name "HMS" with "root" username and " " password. How can i do this in java please suggest.

HOw can i convert the String "2012-07-30" to Date object with same format 2012-07-30 which is date not a string. I've tried but i get the result in string. plz help

I've a bill which looks like  this is the paper which i use in printer and i want to print the appropriate value in the correct position of that paper. As in the place of date i want to print date and in the place of Rate, Amount …

I'm trying to print the necessary values in the predefined document for an example, in a Bill name in the left side and date on top right. I already had that documents with empty name and dates . how can i print the name and date to corresponding location in …

HOw can i assign a default action of Enter key after cell of jtable is edited to a Button???

I am trying to update database by editing cell values in jtable. my table looks like  When i edit the value in particular cell and without clicking anywhere if i click on Update button the database is not updated as like this !  but if i …

I'm trying to make a search by different option say A, B . what i need is if user provide value of A only then it does the searching using parameter A only , if user provide A and B then it needs to do searching using condition A=value1 AND …

there are two panel in one panel there is search button and in the another one there is Jtable for displaying search result. In that jtable initially all the records are displayed. But when i try to search, it works but the problem is that i need to click search …

I want to update the contents of Jtable as shown below when the Jcombobox's item state is chaged in the left panel. but i am not being successful in it .Please help.  when the table no value is changed in the left panel , i want corresponding Jtable …

I need to update the items of JCombobox from the database during runtime. I had made the JCombobox editable and what i need to do is type something in the editable combobox and search the database and only display the items matching the text. For example there are if i …

how can i detect color using OpenCV i've tried thiscode Code blocks are created by indenting at least 4 spaces ... and can span multiple lines import static com.googlecode.javacv.cpp.opencv_core.*; import static com.googlecode.javacv.cpp.opencv_highgui.*; import static com.googlecode.javacv.cpp.opencv_imgproc.*; //non-static imports import com.googlecode.javacv.cpp.opencv_core.CvScalar; import com.googlecode.javacv.cpp.opencv_core.IplImage; public class ColorDetect { //color range of red like …

can any one give me the basic idea how can i start using openCV in java

HOw can i private chat with logged in users from a group chat? HOw can i begin the proces?

I have a server in python and client in java and i want to share images through the socket how can i do so? help plz

My server is in python and I'm trying to read and write to socket using ObjectInput/Output Streams whenever i write to socket there is some characters written in socket before my writeObject() command is executed and whenever i tried to read the data from socket using readObject() , it gives …

HOw can i send and receive images over the socket in java?

Hello, i want to send images over socket .I had two methods one for converting the images to byteArray "convertImageToByteArray()" and another for converting byteArray to image "convertByteArrayToImage(byte[ ] b)" and i am trying to send bytes through socket and receving it , how can i do so please help.....

i have a username and password login box when i send data to the socket its fine but when i print the same data from socket then extra bit is added a head of username. why is it so...please suggest

How can i update my Jpanel with the labels from another class in certain intervals?

I want to delete the strings file1 and file2 after its merged to a single pdf merge12. Please suggest your valuable ideas.. Thanks in advance package com; import java.io.FileOutputStream; import java.util.ArrayList; import com.itextpdf.text.Document; import com.itextpdf.text.pdf.PdfCopy; import com.itextpdf.text.pdf.PdfImportedPage; import com.itextpdf.text.pdf.PdfReader; /* * author * @282532 */ public class PdfMerger { public …

how can i add components to Jpanel from another class

i got a problem whenever i give the username of less than 4 character in java GUI then tha userlist from python server is regularly updating my UserList textField in JAVA GUI but when the character exceeds more than 3 that UserList textField is not updated rather the user list …

HOw can i read from a socket and display message from socket in Textarea of Chatpanel even if there is no any focus in Chatpanel.I mean when i create two chatpanel instance then after clicking the send button in 1st chatpanel the message from socket should be displayed in Textarea …