32,204 Topics
 | |
| | Hello , I have a 2D array. It has two columns. I have to find the top 3 elements of the second column and return the corresponding elements of the first column. for example say the 2 D array is as follows: 1 0.33 2 0.4 3 0.6 4 0.2 …  |
| | Hello all, Currently I am trying to create a program that prompts the user to select a file via JFileChooser, and then continues to use that file to gather information for objects. I have no problem selecting the file from JFileChooser, but I do have a problem reading the correct …  |
| | Hii.. I am doing project in java and i want to convert it to c#.is it any option available? Thank you.. |
 | I have two pages one called upload-file.php, this page uploads the image into the database and my folder. My PHP page looks like this. if (move_uploaded_file($_FILES['uploadfile']['tmp_name'], $file)) { $insert=mysql_query("insert into match_item_image set item_id='".$_SESSION["session_temp"]."', image='".$name."', adid='$adid'") or die(mysql_error()); $cc=mysql_insert_id(); echo "success".$cc; My other page consist of a javascript function which displays … |
| | hey people, I've been experimenting with some new (for me) java techniques, like keybindings. i've got a small app, where the bindings work fine, untill i press a JButton with actionListener. the actionListener doesn't do anything at all, but keybindings fail after i press one of them. here's my code … |
| | Hi everybody, How to do the following in java..?? created a frame and one button added to that frame and set the keyboard shortcut to that button.Now my question is how to make that keyboard shortcut will work eventhough focus is not there in that frame? anyone have any idea.. |
| | |
| | hello people. i have this application which is suppose to retrieve database tables form a paricular database being used and add them as items in2 a jcombobox.The reason is that i want to hvae the opportunity to insert a file into any table by just clicking my jcombobox and select … |
 | Hi guys ! Anyone familliar with planetsourcecode? I downloaded a simple inventory sysyem and calculator to study the codes. But I don't know how to open them using Eclipse.. Help me pls ! Thanks! |
| | Well I have a background in using Java 3yrs ago, a long time. We've used Jcreator for school. Now I want to review and study Java again but I saw too many types or kinds of JAVA and I am confused. What JAVA can you recommend? And what application should … |
 | Hey! So i'd like to learn the JMF api. And to start i wanted to build an application that can capture frames/video from a webcam. Now, i started by trying to list all the devices: Vector info = CaptureDeviceManager.getDeviceList(null); if (info == null || info.size()==0) System.out.println("No Capture devices known to …  |
| | If anyone knows Java and is semifamiliar with modding it, can you interpret this error code. == MCP v4.3 == > Recompiling client... javac.exe -g -verbose -classpath "lib/;lib/*;jars/bin/minecraft.jar;jars/bin/jin put.jar;jars/bin/lwjgl.jar;jars/bin/lwjgl_util.jar" -sourcepath src/minecraft -d bin/minecraft src/minecraft\net\minecraft\client\*.java src/minecraft\net\minec raft\isom\*.java src/minecraft\net\minecraft\src\*.java conf/patches/*.java fai led. Return code : 1 == ERRORS FOUND == src\minecraft\net\minecraft\src\ItemChain.java:6: invalid … |
| | Hi All, I am developing a Java Swing application where I am using MS Access database. The problem is when I want to move this project to another location or machine or workspace, I need to change the data source properties in "Administrative Tools". Is there any work-around for this …  |
| | hello. i created a java app which enables one to create a database table using the name inputted by the user.But the problem i have is that i dont know how to make the column names of the table set to the name prefered by the user i.e the user … |
| | Hi everyone, I'm new here. I have a problem and I hope someone can help me with it. Actually, my problem involves arrays but its about the Gregorian Calendar class. I am trying to output a series of concentric circles . I have created two classes with two different types … |
| | Hey, I was hoping someone can help me convert a piece of php code, im not really sure where to start pack( 'v', $test ); The pack php function above takes in an integer and converts it to an unsigned long. V - unsigned long (always 32 bit, little endian … |
| | Hi! I'm having an issue with maven I can't figure out. I have two local projects, project1 and project2. Project1 has project2 as a dependecy as you would have any dependecy in maven declared. Everytime I make a change in project2 I have to install it into the local repository …  |
| | I have been working on Java game development for a few years.Obviously questions are going to be raised during the development period.I have come to notice that simple programming questions do not get answered by simple programming answers which are emphasised in lowering the morale of the questionaire and it … |
| | i am making a application using java swing drag and drop property how can i add a calender without coding  |
 | Hello, I am new to java, and I need help with images. I am trying to move an image up the screen while still allowing another image to move using the arrow keys. If I use `thread.sleep` to move the image, I cant move my other image at the same … |
| | Hello. I want to make a File->Open menu functionality to this program. In JMenuBar I think I create everything correctly but it doesn't display when I run it. How do I display it and make the Open functionality work? package oimg; import java.io.*; import java.net.*; import java.awt.*; import java.awt.event.*; import … |
 | Hey, I'm a C++ programmer, but I'm beginning to learn Java, and from what I see so far the two languages are very similar. The main difference I hear is that C++ has pointers and Java doesn't, but from my understanding Java does have pointers in a sense, the user …  |
| | HELLO EVERY ONE, CAN ANNY ONE TELL ME HOW I CAN SET A PASSWORD TO MY EXISTING DERBY DATABASE IF YOUR KNOW PLEASE HELP, TNX |
| | Hi, I am trying to do a calculator for celcius to farenheit and viceversa. However I cannot understand why my program does not work. After reading the scanner it does anything and I really do not know why. Could anybody give me a hand here is what i have gotten … |
| | Hi, Im developing a game. When the human gets his turn i want to display a JFrame with some buttons. So the game must wait until the user clicks on a button. Also i want to identify which button is clicked. I read that JOptionPna gets any component as a … |
| | I made a simple program - conservative sequence integers with a sum, for example input: 15, the output should be 1, 2, 3, 4, 5 I made this program in c++ and it worked successfully, see below: #include <iostream> #include <string> using namespace std; int main() { int num, i, … |
| | Hi I have a task to do. I will just brief it in a sentence, I have a file of 20000 lines. Now task is to recognize number of similar lines. ex1 : "The quick brown fox jumps on a lazy dog" ex2 : "The quick brown dog jumps on … |
| | I'm trying to develop a client application for a game server. For example i would like to restart server with counter-strike on it. In a simple way i just open CS console and type "restart" command. I know the IP and port number where the game is hosted. I've allready … |
| | Hello, I need some help with these simple questions. I am a first year IT college student and I do not know how to apply math.pow to these statements. Given the following expressions, re-write them as Java expressions using some parentheses to indicate a sequence of operator evaluation. 1. v … |
| | Hey guys. I want to create an application for my PC in JAVA which can communicate with my CELL phone via Bluetooth. I just want it to receive text chats send by cell over bluetooth connection and be able to display them in appropriate format. I have good knowledge of … |
The End.