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46 Posted Topics
 | 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? |
| | you can simply assign null value to the variable string variable = ""; after the data has been merged. |
| | 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 … |
| | I want to write some text to JtextArea of class1 from class2 . How can i do that? Thanx in advance for any suggestion |
| | Hello guys i'm trying to send data to same socket at different times from different java classes. I can easily send the data from one class but after logging in when i try to send data to same socket from another java class ,there is an error. suggest me some … |
| | HOw can i store image in ms access database...plz suggest |
| | I need to show the content of one panel class into another panel of another class ..i am new to java so i would appreciate any help...plz help me... in short i just want to add one panel into another through actionlistener of some button.. |
| | I'm trying to display a total integer value taken from the Jtable cells and want to display the sum in the last cell so for that i need to covert the final sum to object or are there any other solution...any help will be thankful!!! |
| | Is it possible to add mouselistener to particular cell of a Jtable?? plz help... |
| | Is it possible to create a microsoft access database (mdb) file through a java program? and how to register the thus created mdb file to ODBC center? thanx in advance |
| | How can i set fixed size of Jpanel where during execution of the program i shouldn't be able to RESIZE that Jpanel? plzzz help !!!!!!!!! |
| | In my Project SchoolManagementSystem there i've tuition fee record in database. So what i'm trying to do is increase the student due balance automatically after 1 month time. How can i do this? Eg: For now the due balance is 1000 and the monthly cost is 800 so after 1 … |
| | I've recently done a school management system with MS access Database . How can i embedd my database source in that project .Is there any solution? Help Please |
| | I want to display the data stored in my database(I'm using Ms Access) when i Clicked a View button in my GUI. Everything goes smoothly, as well as even the query is executed the the values are not visible in my panel where i've added the table. Suggest me what … |
| | Can i create a Ms access database through java code? Can i place Ms access Database inside my project and can i manipulate them? |
| | For my school project , I got student details in database and according to system of that school yearly the student standards are raised by one grade . So how can i code so that the data i've entered in database, say 4 grade this year will become 5 grade … |
| | I'm new to java , i've tried to make simple jdbc application . I can store a value in database and also can retrieve it but only in console window. i've got the variable String name in package db, and what should i do to display the value of that … |
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| | Can any one explain me why there is a error in my home.jsp when i try to use commandLink for a link to open messages from the data base.After i use this link all my program crashed now not any component on the page is working. |
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