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55 Posted Topics
 | Hello, For some reason javac errors when I import any of the Apache-Spark classes. I've gone through a number of setup guides to see if there's some environment variable I'm missing, but most don't have a step where an environment variable is set. Anyone have a clue what I'm missing? … |
| | Hello, So I'm having trouble figuring out what the correct syntax is for a function with a return type that is a template type and is within a namespace. Anyone see anything wrong with the code below? -------.HPP file: #pragma once #ifndef EC_UTIL_H #define EC_UTIL_H #include "../CommonHeaders.hpp" #include "../core/common/APVertex.hpp" #include … |
| | Hello, So I was testing my matrix class and the results look questionable and the inverted matrix isn't returning the vertex to it's original value (a seperate issue). Given a perspective projection at 45 degrees with a near of 1 and a far of 1000, the camera at the orgin … |
| | As all of you can tell from the title, I need help understanding how to communicate to a USB port. Basically I need to send some bits to a usb micro controller and to do so I need to understand how you do it in C for both a Windows …  |
| | First of all I apologize if the title is a bit vague, I couldn't phrase my question to fit in the given space. So given you have an array of floats that you want to cast as a pointer to a struct containing only floats, assuming the array size is … |
| | Hello, So I'm aware that OpenGL is Column major and DirectX is Row major, but how does that translate into a basic 1D array? So given the below visual matrix, what would the first 3 in the array of each platform and which 3 would be the x,y and z … |
| | Hello, So I have an option screen where 8 colored squares pop up for the user to select the background color. What I'm stuck at is how to set all of them to that color. Is there a way to bind them to a setting (FYI, this is a windows … |
| | Hello, So I'm creating the splash screen for my windows phone app, but I can't seem to get it to cover the whole screen. The way I'm doing it is through a popup. As a place holder, the user control xaml splash screen is practically identical to the main screen, …  |
| | Is there a preprocessor that can check if a header exists before trying to #include it?  |
| | Hello, So windows has PPL for multithreading for loops, what's the linux equivalent to that? |
| | Hello, I'm using pause() to suspend threads until I need them and pthread_kill(thread, SIGCONT) to resume. It works the first time over with the thread unpausing the first time I send SIGCONT, but not the second time around. Does sending the signal cause it to be ignored and if so, … |
| | Hello, I've confused myself a bit with virtual functions. I know they're useful when you want to call the parents function via casting the class to it's parent, but I've found myself scratching my head on few cases. So... Lets say I have a parent Class P and a child … |
| | Hello, I'm fairly new to web development and I need a quick start to getting my website up. I'm planning on hosting the site and I don't expect much traffic as it's just for a start up company that I'm starting and I'm just using it as way of saying …  |
| | Hello, I'm working on a project using the arduino board that connects to my computer via USB. Anyway, I opened the "file" (FYI using linux) for the board using the fopen call and I'm wonder if there's a way to check if there's data ready to read in. Also I …  |
| | Hello, I'm working with a team on a program and freeglut is causing trouble for one of team members. He's the only member working under Windows and he's unable to get the scroll wheel to work. Does anyone know a library for windows that'll read in the mouse wheel input …  |
| | Hello, I'm trying to use wxWidgets to get mouse, keyboard and joystick events without creating a window context as I'm using GLUT for that. Can it be done and if so how? All the examples I see have the events tied to some sort of visual context. |
| | How do I prevent holding when reading stdin? I'm creating a program with glut that uses the terminal for input and using fscanf() is holding up the process. How can I check the stream before calling fscanf()? |
| | Hello, Does anyone know a good cross platform library that can handle mouse and keyboard (and joystick if possible) events without needing to producing a window? |
| | Hello, Just recently I learned how to make a game with java using an applet and I was wondering how I’d go about making a java game for cell phones? |
| | Anyone have a clue what would cause the compiler to complain about static members and functions and virtual functions ? I've written a bunch of stuff with Qt in C++ without this problem. The only new thing is I've overrided a virtual function and created a few static data members … |
| | Hello, I'm new to QT and I need a little help making a custom widget . Basically I need to subclass QTableWidgetItem and have it draw a translucent image with a set color in the background. In some cases the color in the back ground pulses (dark to bright) so … |
| | Hello, Does anyone have a clue why using setitimer() and SIGALRM won't work if you modify the terminal using termios.h? Every time I run it I get segfault or the original signal handler (not the one I set). Just having [CODE] struct termios oldTerm, newTerm;[/CODE] seems to cause trouble. If … |
| | Hello, I know Java and Objective C are totally different languages, but I thought may be since both are object oriented languages, there maybe some similarities between the two to help me make the transition. I also know C, so some of the stuff is looking similar. Could someone help …  |
| | Hello, I'm creating a program that involves coloring an image thats is gray scaled and has a transparent background. How do I do that?  |
| | So I know how to do animation and I know to deal with components, but I don't know how to do both. How can I isolate the drawing of the components from the animation? The particular problem I'm having is when I have an opaque component over the animation? I … |
| | Hello, So I'm thinking of creating a few programs that don't use the provided components like the Button class. Basically I want to create components like a button, text field... etc, but with their own look and feel to them. I tried overriding methods of existing components and I tried … |
| | Hello, So I'm following this tutorial ([url]http://www.csharp.com/javacfort.html[/url]) to learn how to link java with C and I want to be able to link java to two C programs (one for linux and one for windows). How do I create a java class that figures out what OS it's on and …  |
| | Hello, This is similar to the thread I did a while back, except this time I need to do it under linux. I'm using the latest version of Ubuntu. Can some some one show me how to send information (an array of char) to the rs232 port (synchronous communication) . … |
| | Hello, I just started using HTML and I need help making a web page for someone. The trouble I'm having is that I don't know how to change images when the mouse is over a link (the link is not the image, it's only text). Basically whenever the user hovers … |
| | Hello, I'm new to C++ and I need help figuring out how to send information to the rs232 port. It's going to be one way communication (PC to device). I've tried reading other tutorials, but none of them clearly explain what's going on in each part, so I often get … |
| | Hello, So I was thinking of creating a PCB designing program and was wondering if anyone was familiar with the Gerber and NC file format. Anyone have any advise about how to go from a design made in Java to a Gerber File? Is it done on a pixel by … |
| | Hello, I created two classes, one extends JButton and the other extends JPanel. In both cases, both overrides the paint method. Basically I'm extending JPanel so I can place an image as the back ground. The issue I'm having is that every time the button is drawn, if it's drawn … |
| | Hello, Before I switched to Ubuntu, I used to have some cool boot screens for windows and now I want to create some for Ubuntu, but I have no clue where to begin. What I do know: - text input and output in C - animation in Java - using …  |
| | Hello, Does anyone know of any chip I can buy that I can easily have a C program communicate with through USB and separates the signal into individual parallel connections? Basically I need to send 125 bits to be separated at a given time, so the larger the separation, the … |
| | Hello, I'm creating a game in Java and in the game there will be short videos played in between the levels and I need to know what classes to look at if I'm going to load, adjust volume, play and terminate the video. Also the way I have the program … |
| | Hello, I was creating a game in java and a thought came to mind, would it be better to dump it all and start from scratch with C++. So my question is, with all the cons I've listed and all the other issues that you know, what am I better … |
| | Hello, I'm creating a program that will be dealing with multiple objects that extend Applet and a JFrame that will be displaying them. I created a test that swiched off between two applets I made. While I was creating the test, I noticed some things and have few questions regarding … |
| | Hello, I'm creating a game with JFrame and need to listen to anything that has buttons. There's key listener, but that seems to only listen to the keyboard. Does java provide any listeners to game controllers?  |
| | Hello I need help creating a program in Java. Basically I need to use ClassLoader to load classes at runtime that implements a particular interface (the name and location will be known). From what I see on the api, there's a loadclass method that gives you a Class object, but … |
| | Can someone tell me why jar command is not recognized? I copy and pasted all the solutions I've seen from other websites and none of them work. Here's what I have as of now... PATH: C:\Program Files\SSH Communications Security\SSH Secure Shell;C:\Program Files\gcc\bin;C:\Program Files\Java\jdk1.5_04/bin CLASSPATH: .;C:\Program Files\Java\jre1.6.0_01\lib\ext\QTJava.zip;C:\Program Files\Java\jdk1.5_04\bin Path : %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\Program … |
| | Hello, Can someone point out where the javadoc for AudioPlayer.player is? This is the code I currently have... [CODE] import sun.audio.*; import java.io.*; ... ... ... InputStream input = new FileInputStream("Stop.wav"); AudioStream sound = new AudioStream(input); AudioPlayer.player.start(sound); [/CODE] If there is no loop method for this, what's the easiest way … |
| | Hello, I'm creating a game and in this game if you press two particular buttons at once, a particular move is done. How do I go about doing this with KeyListener? Is there a way to get it to wait for a fraction of a second to see if there's … |
| | So I'm creating a game that I want to be able to add more characters in without recompiling the whole thing. Is there a way java automatically detects classes or is there a way I can access a class at runtime by a string so that I can just read … |
| | So I'm creating a game using Applet and I was wondering what would be the largest resolution I could ever consider for a game to run at 12 frames a second on a typical gaming computer? (BTW: This game is running on a local machine and NOT over the web) … |
| | If anyone is familiar with the video game console Wii, I'm having trouble trying building an infrared bar for the controller to work on my pc. For those who don't know, the IR bar works as a reference point by constantly emitting IR light. Currently I'm getting a weak signal … |
| | Does anyone know how place an applet in full screen without any kind of bordering or buttons so that the applet starts at 0,0 of the screen and goes all the way to the opposite corner. Now I know how to get a window into full screen using: GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().setFullScreenWindow(Window win) …  |
| | So here's my list of questions 1. Is there a class where it takes an audio file as a constructor and has methods that allow me pause, play and continue from any selected part of the song? 2. How do you get video to work on an applet and have … |
| | Hey is there a way to get it so that the applet covers the whole screen and there's no minimize button or anything at the top. In other words the applet covers the screen corner to corner.  |
| | Hello, So I created a simple game with the use of Applet and I noticed I would get lines going through it as repaint is called. Is there a way to make it work smoother or a way to have layered images so that only a few images have to … |
| | I'm currently creating a program with some buttons and other stuff and I was wondering how do I create a background image with jframe? I don't see any set method for it. Is the there a way to do it?  |
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