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  • C instruction address

    - by aaa
    hello. Disclaimer, I not do anything in particular with regards this question, just curious. Is it possible to take address of instruction or block in C? in essence, is there jump equivalent in C? for example: void function() { int k; { // is a possible to go to this address from arbitrary point in code? int i, j; k += j+i; } } thank you

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  • JPanels, JFrames, and Windows, Oh my!

    - by Jonathan
    Simply stated, I am trying to make a game I am working on full-screen. I have the following code I am trying to use: GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); GraphicsDevice gs = ge.getDefaultScreenDevice(); if(!gs.isFullScreenSupported()) { System.out.println("full-screen not supported"); } Frame frame = new Frame(gs.getDefaultConfiguration()); Window win = new Window(frame); try { // Enter full-screen mode gs.setFullScreenWindow(win); win.validate(); } Problem with this is that I am working within a class that extends JPanel, and while I have a variable of type Frame, I have none of type Window within the class. My understanding of JPanel is that it is a Window of sorts, but I cannot pass 'this' into gs.setFullScreenWindow(Window win)... How should I go about doing this? Is there any easy way of calling that, or a similar method, using a JPanel? Is there a way I can get something of type Window from my JPanel? - EDIT: The following method changes the state of JFrame and is called every 10ms: public void paintScreen() { Graphics g; try{ g = this.getGraphics(); //get Panel's graphic context if(g == null) { frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setExtendedState(frame.getExtendedState()|JFrame.MAXIMIZED_BOTH); frame.add(this); frame.pack(); frame.setResizable(false); frame.setTitle("Game Window"); frame.setVisible(true); } if((g != null) && (dbImage != null)) { g.drawImage(dbImage, 0, 0, null); } Toolkit.getDefaultToolkit().sync(); //sync the display on some systems g.dispose(); } catch (Exception e) { if(blockError) { blockError = false; } else { System.out.println("Graphics context error: " + e); } } } I anticipate that there may be a few redundancies or unnecessary calls after the if(g==null) statement (all the frame.somethingOrOther()s), any cleanup advice would be appreciated... Also, the block error is what it seems. I am ignoring an error. The error only occurs once, and this works fine when setup to ignore the first instance of the error... For anyone interested I can post additional info there if anyone wants to see if that block can be removed, but i'm not concerned... I might look into it later.

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  • Preventing comboBox keyboard selection

    - by Cornel
    As you now the user can select an item from the comboBox by keyboard directly. By mouse I block the user to select some items depending on the behind object state. What's the best solution to stop this when the user uses the keyboard?

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  • I am looking for a System level activity logging application for Symbian

    - by Prashant
    Is there any free application available for logging all the activity ( both user initiated and system initiated ) on Symbian along with state of various resource variables on device (like Memory , I/O, Media player etc ). I want to use it to examine if there is any dependency /conflict /resource constraint when multiple Application are running . Any pointer in this direction will be greatly appreciated .

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  • Converting text to bits (1's and 0's)

    - by Morano88
    I'm implementing an MD-5 Hashing algorithm and I want to convert the text I have to bits so I can start manipulating them. As you know Hashing require taking block of bits and then manipulating them. There are many ways to do that but I can't determine the best/easiest way to just convert the text (string) into array of bits. Any clue ? In C#

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  • How can I create a dynamic form using jquery

    - by binay
    How can I create a dynamic form using jquery. For example if I have to repeat a block of html like <div><div>Name: <input type="text" id="name"></div><div>Address: <input type="text" id="address"></div></div> for 3 times and show them one by one and also how can I fetch the value of this dynamic form value.

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  • Certificate in iPhone App

    - by zp26
    Hi, I'm working with iphone application and i want put it in my iphone. In xcode there is a overview "device - 3.1.3 | debug" but when i "build and go" the project there is an certificate error. I have download a certificate "mobileprovision" with a correct "Identifier" but i don't know how put it in my xcode project. Thanks and sorry for my english XP

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  • Is ajax + comet + asp.net scalable ?

    - by pixel3cs
    Thinks at a backgammon online multiplayer game with over 100, or even 1000 online users. The game communication is done using Ajax + 3 seconds Comet connection interval + ASP.NET technology. Is this a real scenario ? Didn't so many Comet open connections block the server resulting in big latency ?

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  • Find out how much storage a row is taking up in the database

    - by Vaccano
    Is there a way to find out how much space (on disk) a row in my database takes up? I would love to see it for SQL Server CE, but failing that SQL Server 2008 works (I am storing about the same data in both). The reason I ask is that I have a Image column in my SQL Server CE db (it is a varbinary[max] in the SQL 2008 db) and I need to know now many rows I can store before I max out the memory on my device.

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  • How to set font Bold, Italic, and Underlined in Qt?

    - by Hanny
    I want to make a program that's like a simple text editor using Qt 4.6.2. When the user block any text in a TextEdit and click on a button, the text will be bold/italic/underlined depend on the button.. I'm a beginner in Qt Programming, so if Possible, can you insert the programming code in Qt to do that? Please answer this ASAP,, thank you very much!! :)

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  • Direct link to App Store on iPad?

    - by zoul
    Hello! Is there an URL that will directly open an application in the App Store on the iPad without redirecting through Safari? I am interested in http:// links, not itms://, as I want them to be usable outside the device. The phobos links used on iPhone do not seem to work on the iPad.

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  • Where can I find the IRQ number in request_irq function?

    - by sasayins
    Hi, Im learning device driver programming in Linux. And I'm wondering where I could the IRQ number in the request_irq function. int request_irq (unsigned int irq, void (*handler) (int, void *, struct pt_regs *), unsigned long irqflags, const char *devname, void *dev_id); In the irq parameter, what value or where could I find that value to put in the request_irq function? Thanks

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  • How is the default constructor of System.Drawing.Graphics removed?

    - by Albert Iordache
    When I try to create an object of Graphics, why doesn't the following work? System.Drawing.Graphics graphicsObj = new System.Drawing.Graphics(); (I am aware that I could create a private System.Windows.Forms.Panel Obj; and then do CreateGraphics() if I wanted it to work) I tried to find a custom constructor for Graphics, but I couldn't find one. Where did Microsoft define it, or how did it block it?

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  • How could i avoid the SAVE dialog in my custom blackberry Application?

    - by SIA
    Hi Everybody, I am writing a blackberry application and pushing screens one after another(three in series) Screen1 displays Screen2 and Screen2 displays Screen3 When i press "Back Key" on my Blackberry Device i.e., bold 9700, its prompts a dialog box with Question mark image and buttons "Save" "Discard" "Cancel". Why does this dialog appears? How can i avoid this dialog? Please Help Thanks SIA

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  • Singleton & Multithreading in Java

    - by vivek jagtap
    What is the preferred way to work with Singleton class in multithreaded environment? Suppose if I have 3 thread, and all they try to access getInstance() method of singleton class at the same time - What would happen if no synchronization is maintained? Is it good practice to use synchronized getInstance() method or use synchronized block inside getInstance(). Please advise if there is any other way out.

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  • jQuery - How to Use slideDown (or show) function on a table row?

    - by Greg
    I'm trying to add a row to a table and have that row slide into view, however the slidedown function seems to be adding a display:block style to the table row which messes up the layout. Any ideas how to work around this? Here's the code: $.get('/some_url',{'val1':id}, function(data){ var row = $('#detailed_edit_row'); row.hide(); row.html(data); row.slideDown(1000); });

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  • Can the Windows Phone 7 Series emulator be made to run on Windows XP?

    - by sweeney
    Well thats all there is to it...is this possible? I understand that officially it's not supported but has anyone figured it out? I have some work to do where XP would be the preferred platform. I would expect that users of the actual device are not required to use Windows 7 so it stands to reason that this can be done. Any poitners in the right direction would be greatly appreciated. Thanks, brian

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  • Iphone simulator hangs while installing apps

    - by Digitalsleep
    I am using snow leopard, xcode 3.22, i first had this issue when i was using os 4 beta, i have removed the xcode software from my system and reinstalled. I can't get any app to load in the simulator, the app starts to install in the simulator then nothing, I can install the app to my device, but i can run anything in the simulator it just hangs, i am not sure what to do any idea?

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