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“For a long time it puzzled me how something so expensive, so leading edge, could be so useless. And then it occurred to me that a computer is a stupid machine with the ability to do incredibly smart things, while computer programmers are smart people…
78 Posted Topics
 | it's wrong because you when calling File.Move() procedure, it's input parameters should be [B]the paths[/B] to the for the first location of the file and for the location where you want to move it. This is line bellow is not correct: [CODE] File.Move(filePaths.ToString(), destFolder.ToString()); [/CODE] because your parameters are just … |
 | I want to use jw player on my site but when i start it with F5 with visual studio, i can see the page but the player is a WHITE BOX and if i right-click it it says Movie not loaded. I checked all paths, and i also use Firebug … |
| | I develop a chat (server and client) using [I]Sockets[/I]. It's working on [B]LAN[/B] but when I try to connect the client to the server using my public IP address it says it cannot connect to that address. My address is public - a friend pinged my address successfully. You find …  |
| | Hi, I think you should flush the outputstream after you have written data to it. [CODE] outstream.flush(); [/CODE] |
| | Hello, I have to continously update an image based on screen capture. So how can I memorize only the part of the image that changes from one picture to another (from one frame to another)(pixels?)... Think of a remote desktop. It's not a good thing to send a 200K desktop … |
| | Hello, I use Ruby with Sinatra in my application and I need to store a big data (exceeding 4K) in my session or somewhere secude on the server because I do some API calls and I refer to that data very often and that's why I need it stored. The … |
| | Hello, I need some hints about how can I develop an remote desktop application in C#. I would have a client (Windows Forms or web) and a server that sends streaming video and audio [I]captured[/I] from the remote computer screen. Most important is to be real-time and performance rather than …  |
| | Hello, I manipulate XML with jQuery with no problem in all browseres but not in Internet Explorer. I serched bug-fix and I found "metadata.js" but still not working in my Internet Explorer 7 :sad: . Does anyone now a fix for this problem? It's just too nice to manipulate XML … |
| | Hi, I make an application in java ME (client) that connects to a PC application (server) using OBEX protocol. Connection goes well but I don't understand why I can use the stream to send JUST one message frmo the client and after that I must close the stream to see … |
| | I have too make an application in C that uses a dictionary. I have 54000 words in a file, on per line and I need a way to handle it. - I first wanted to keep it in an array but as it's bigger that INT (32767) I cannot do … |
| | Hi, I just struggeled all day how can I build JavaFX Application made with visual composer plugin in Nebeans. Every other application worked but this doesn't. When I build it says can't find [I]javac[/I]. Of course, javac .exe is not located in the JRE... [CODE] Cannot run program "C:\Program Files\Java\jre6\bin\javac.exe": … |
| | I done an application using Power Point Interop library and it works well but if I copy it from DEBUG folder to another place, when I start it it gives me an error like: "Application has encountered a problem and needs to be close. We are sorry for the inconvenience". … |
| | Hi, I have a few simple questions regarding sending SMS from my PC to my moble phone. I have two libraries which should be able to send SMS messages: [CODE] import com.simplewire.sms.*; public class send_text { public static void main(String[] args) throws Exception { SMS sms = new SMS(); // …  |
| | You must simply "walk through the listview" till you get the index of selected row and then you can do whatever you want in that row LIKE THIS: [code] for (int i = 0; i < lv.Items.Count; i++) // is i the index of the row I selected? if (lv.Items[i].Selected …  |
 | Hmmm, interesting, so basically you need that beat acurate in time (the metronome). -First, if the time interval of the timer can be changed (I didn't work with timers too much) then you must make a delegade from the GUI thread pointed to the procedure that sets the interval. If … |
| | As adatapost pointed out, you should use Office Interop API to [I]open[/I] the document using Microsoft Word and the use [I]SaveAs()[/I] as XML and you're done. It's just couple of lines of code. Just get used with Office Interop API. It's a lot of fun to me (in the most … |
| | First show effort in code for the project, then ask for different issues to be solved. Building such an application really takes time. Start to code it then ask :) where you get stuck. |
| | Hi, I have little experience with writing to Http socket. I am trying to send data to another computer through Http protocol, just like having a chat between two application but instead of using Socket connection I want to use Http connection. The server writes to [I]http[/I] connection data and … |
| | Hello, I have a script written in Java that gets me an answer from a script containing a number of files. The problem is I don't know how to code this in javaFX script as I am very new to it. [CODE] URL url = new URL(page); URLConnection conn = … |
| | not necessary borderless. He has a program with .NET i think. I don't have this problem and I have .NET 3.5. It's weird that it closes. It even works simple like this: [code] private void Form1_FormClosing(object sender, FormClosingEventArgs e) { this.WindowState = FormWindowState.Minimized; e.Cancel = true; } [/code]  |
| | Why did you wrote this: [CODE]customers.setColumnSelectionAllowed(false);[/CODE]? That wont let you select anything. Modify it and tell me the output. Delete it or set it to true. |
| | Hi, I have an urgent ugly problem. I have a php file on a server that reads the name of the files of a directory from the server and POST them to my java application. When I try to read it, i get [CODE]Server returned HTTP response code: 400 for … |
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| | Give me some code please. I don't think it dissapeares like that. I implemented once something like that and it worked well for me. Some code should help me help you :). |
| | Hi I'm writing a client/server remote viewer application where screenshots of the desktop are sent across the network over a socket. I'd like to reduce the size of the transfer by getting [I]the difference between the two images and then sending the difference[/I]. The difference would be at least a … |
| | Hello, I build an applet that plays midi files from a server. The problem is when I start playing the file (MidiSystem.getSequencer()).. it gives me this error in the java console and nothing plays: [CODE]SEVERE: null javax.sound.midi.MidiUnavailableException: MIDI OUT transmitter not available at com.sun.media.sound.AbstractMidiDevice.createTransmitter(Unknown Source) at com.sun.media.sound.AbstractMidiDevice.getTransmitter(Unknown Source) at javax.sound.midi.MidiSystem.getSequencer(Unknown … |
| | Create the image object from the file, then create an ImageIcon frmo it and the set the button's icon with that icon. [CODE] Image myImage = getToolkit().createImage("myImage.jpg"); ImageIcon myIcon = new ImageIcon(myImage); myButton.setIcon(myIcon);//here you set the icon for your button [/CODE] |
| | Hi, I have a pixel array grabbed with [I]PixelGrabber[/I]. I done some computation with it and now I need make a BufferedImage from it. The problem is I can't make it very fast, just slow. I made an Image type object from it then I converted it to a BufferedImages …  |
| | Hello, I'm trying to get from the screen, the region, or rectangle (the coordinated) of the part that is being painted. For example when I move some window or I have some action on the screen I want to get only that part of the screen image that is being … |
| | Very simple. Just loop through the processes list and check the name of the current process: [CODE] //don't forget: using System.Diagnostics; try { Process[] p = Process.GetProcesses();//system processes in an array for (int i = 0; i < p.Length; i++) { if (p[i].ProcessName == "calc")//checkcurrent process name { //we got … |
| | Hello, I just started reading and learning DirectX SDK's tutorials in order to develop skills for game programming. I don't know COM very well (i just start learning it). I read lights, materials, mesh and BasicHLSL DirectX9 tutorials (line by line). I know C++ and math (not VERY good math … |
| | Hello, I have to update continously an image based on screen capture. So how can I memorize only the part of the image that changes (pixels)... because I don't want to take a scrrenshot every time... Think of a remote desktop. It's not good to send a 200K desktop screenshot … |
| | Hi, I have an application with one JFrame and two modeless JDialogs. When I mimimize the JFrame, the dialogs are still there, not minimized. So i need to hide them. I can hide them with WindowDeactivated event which runs one time when the JFrame is minimized but when I want … |
| | Hello, I desperately need a good and fast image encoder and/or compressor for files like jpeg or png. I need this for [B]internet image transfer[/B]. I have to transfer an images from server to client very fast - every second, even milisecond. I'm interested in an encorder that can [I]lower … |
| | Hello, I have to take a snapshot of my screen and send the image to a client using Datagrams. I think my problem is at the client part. The image is null, and I don't know why. Here is the server part. I tried to send 534 byte packets (bigger … |
| | I'm am trying to send over socket a very big array - length about 1300000 .... and I use ObjectInputStream and ObjectOutputStream. The problem is when I read the input stream... I get this exception: java.io.StreamCorruptedException: invalid type code: FF at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1356) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351) at objectThread.run(objectThread.java:27) [CODE] //ois is the … |
| | So you need to use a database? Hmm... you have to play along with c# controls... take the text from the textfield and make something with it, just to be familiar with it. Then use a database like MySql if you are familiar with it. Use MySql connector to add … |
| | Yes, it is possible... but not that easy. First you should learn about [URL="http://java.sun.com/javase/technologies/desktop/media/jmf/"]Java Media Framework[/URL]. After that I think you should register somehow your applet because you need permision to play that file in the browser. Applets have limited permission. |
| | Hello, In my application I transfer a lot of images from server to client. The problem is the size of the image, so I tried to encode it using [URL="http://objectplanet.com/pngencoder/"]this encoder[/URL] - objectplanet png encoder. The problem is nothing seems to happen, image size is the same. [CODE] //img is … |
| | Hello, I built a chat application that uses sockets and TCP/IP protocol. The client is an applet. The problem is I cannot connect the applet client with the desktop server application. [I]If I run the applet inside the applet viewer in NetBeans it works perfectly[/I]. I even tried the applet … |
| | Hello, I build my java desktop application using NetBeans 6.7, visually. So I click on the Frame -> Events -> KeyTyped and I add a new handler. The problem is the key events are not detected! My components are Swing components. Why is this happening?? :( [CODE] private void formKeyTyped(java.awt.event.KeyEvent … |
 | try this instead. I had the same problem: [code] try { robot = new Robot(); robot.mouseMove(0,900); robot.mousePress(InputEvent.BUTTON1_MASK); robot.mouseRelease(InputEvent.BUTTON1_MASK); }catch(Exception e){} [/code] |
| | Hi, I want to "click" with the mouse using a Robot object like this: [code] Robot bot = new Robot(); bot.mousePress(InputEvent.BUTTON1_DOWN_MASK); bot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK); [/code] This results in: [B]Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: Invalid combination of button flags[/B] I even delayed the process before it starts clicking to have time to release … |
| | Hello, In my project I have to capture screen activity (including audio) to a video file. I try using JMF for this. I don't know how to use those two classes: DataSource.java and LiveStream.java. I read them line by line. I probably have to create a Processor and feed it … |
| | Hi, I first convert the image on the server application in bytes: [code] //server public void sendImage(File file) throws IOException { ByteArrayOutputStream baos=new ByteArrayOutputStream(1000); BufferedImage img=ImageIO.read(new File(file.getAbsolutePath())); ImageIO.write(img, "jpg", baos); baos.flush(); os.write(baos.toByteArray());// this is a "new DataOutputStream(clientSocket.getOutputStream());" System.out.println("Done! Length is:"+baos.toByteArray().length); baos.close(); } [/code] Then my application freezes when trying to … |
| | Hello, I'm working on a bluetooth chat application project called 'BlueChat'. I coded the server (BServer.java) and client (BClient.java) parts (2 separate threads). The visual part is called BlueChat.java and allowes the user to select to be the server or the client. I wrote a lot of System.out.println("")'s to check … |
| | Hello, I'm trying to develop a chat application [I]over internet[/I]. First I want to send just strings... later files. I want to have a client that is a java applet that connects to the server - a java desktop application. I waould like to send files later over applet and … |
| | Please someone help me... why image panel not showing that image in the frame: [code] //image panel class import java.awt.*; import java.awt.image.BufferedImage; import javax.swing.*; public class ImagePanel extends JPanel { private BufferedImage img; public ImagePanel(BufferedImage img) { this.img = img; Dimension size = new Dimension(500,500); setPreferredSize(size); setMinimumSize(size); setMaximumSize(size); setSize(size); setLayout(null); … |
| | Hi I'm making a login panel which sends data to the same page and I use a class made by me and called 'user' that stored user information and autentification. When I refresh the page I check if any session was created before (it was created at first successfull login … |
| | You cannot use this character: " or ' within the string unless you write it like this: \" or '. You cannot have a string within another string. Just add backslashes to all ' and " characters. That should solve it! :) |
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