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  • Blank page shown in Mozilla Firefox

    - by Arun
    I have a jsf page which works perfectly fine[Both in IE and Mozilla Firefox] when the application is deployed locally. But i deploy it at the client place and I try to access the page in mozilla FF i get a blank page but it shows up properly in IE. Now if i do a remote desktop connection to the system where the application is deployed and try to access the same page i get to see the page correctly in both mozilla ff & IE Is this due to some sort of network issue specific to mozilla?

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  • How do you energize yourself when working alone on a project?

    - by Stephane
    I am working in an environment with a very small team (3 developers only) and each of us have been assigned a different project, without counting support tasks. I know this is a bad business practice and that we should all work on a single project at a time, and then move on to the next one (Already explained to the management on how much it sucks). So don't answer me that we should work all together on one project at a time. Energizing the work when in a team is mostly pair programming we did that when less project were thrown at us and that was great. What I would like to know is how you energize your work when working alone on a project. Do you follow any particular practice?

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  • How to develop a site for multiple browsers these days ?

    - by Misha Moroshko
    I would like to develop a site that works in all major browsers. I wonder what tools are available these days that may help me to check the functionality across browsers. I mean after I add some functionality to my site, I want to check it in all browsers. Are there any tools/software for this task ? I understand that it's impossible to check everything because it is pretty subjective if something works as expected or not, but maybe there are some tools that may found major errors (like IE is not supporting indexOf).

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  • Personal project/idea database and tracking

    - by cbrulak
    How do you keep track of your personal projects and ideas? If you come up with this amazing idea how do you write it down? Notepad? Some text file somewhere? How do you track your progress,etc? I'm not talking about FogBugz,etc as they are for tracking team work, I'm talking about tracking my ideas and projects and any associated content (notes,screenshots,etc) Can you put your solution on a thumb drive? Any suggestions for other developers?

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  • Is it possible to stop a javascript with Firebug without using breakpoints?

    - by Sandra
    Is it possible with Firebug to stop a javascript with a press of a button or a keyboard shortcut instead of stopping it by setting a breakpoint? Why would I like to do this? We have a very dynamic website with lots of animations. It would be a great help if I could just stop the scripts at the moment the animation is doing something I want to inspect. That would be a lot faster than fiddling with the breakpoints.

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  • "Exclusive" DirectDraw palette isn't actually exclusive

    - by CyberShadow
    We're maintaining an old video game that uses a full-screen 256-color graphics mode with DirectDraw. The problem is, some applications running in the background sometimes try to change the system palette while the game is running, which results in corrupted graphics. We can (sometimes) detect when this happens by processing the WM_PALETTECHANGED message. A few update versions ago we added logging (just log the window title/class/process name), which helped users identify offending applications and close them. MSN Live Messenger was a common culprit. The problem got worse when we found out that Windows Vista (and 7) does it "by itself". The WM_PALETTECHANGED parameters point towards CSRSS and the desktop window. In Vista, a workaround that often worked was to open any folder (Computer, Documents, etc.) and leave it open while running the game. Sounds ridiculous, but it worked - in most cases. In Windows 7, not even this workaround worked any more. Users found that stopping some services (Windows Update and the indexing service) also resolved the problem on some configurations. Some time ago I just started trying random things in hope of finding a solution. I found that setting the GDI palette (using Create/SelectPalette) before setting the DirectDraw palette (using IDirectDrawPalette::SetEntries) would restore the palette after it became corrupted (WM_PALETTECHANGED handler). SetSystemPaletteUse and calling SetPalette on the primary surface helped some more. However, there is still perceivable flickering when an application tries to steal the palette, which is especially prominent during fades. Question: is there a way to get a "real" exclusive palette, which completely disallows other applications changing the Windows palette as long as our game retains focus?

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  • How to restrict access to my web service?

    - by Hank
    I have http://example.com/index.html, which from within the HTML uses JavaScript to call a web services at http://example.com/json/?a=...&b=... The web service returns to index.html a JSON array of information to then be displayed on index.html. Since anyone can view the source code for index.html and see how I'm calling the JSON web services (http://example.com/json/), how do I prevent people from calling my JSON web service directly? Since the web service is essentially an open read into my database, I don't want people to abuse the web service and start DoS my server, fetching more information than they should, etc..

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  • How would one use Cocos2d to create a game like this.

    - by John Stewart
    http://itunes.apple.com/us/app/angry-birds/id343200656?mt=8&ign-mpt=uo%3D6 So I am getting started with this all game dev thing on iphone and I decided that I will start playing with Cocos2d as my starting engine. Now just so i have a goal in mind, I picked angry birds as my initial target of what sort of game play would I like to learn to build. This is not going to be a market release game. This is totally going to be learning purposes only. So to start off my question is: Would something like this be achievable using Cocos2d? How would I go about building the physics for this? How can one do a screen scroll like the way they do in cocos2d? (any example code would be great) This is just to start off. If you have any particular questions please do add to this question.

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  • WebSockets authentication

    - by Tomi
    What are the possible ways to authenticate user when websocket connection is used? Example scenario: Web based multi-user chat application through encrypted websocket connection. How can I ensure (or guarantee) that each connection in this application belongs to certain authenticated user and "can't be" exploited by false user impersonation during the connection.

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  • USSD Retrieve IMEI Number

    - by Gustavo De Micheli
    Hello, I'm very new at USSD developing. I have a question: Can I retrieve the IMEI number of a MS(Mobile Station) via an USSD PUSH Application? The idea is to create an application that is pushed by the gateway, and is totally transparento to the Mobile phone user. Can it be done? Thanks for reading

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  • How do I find Microsoft APIs?

    - by Stephen
    I'm a java programmer, and if I see something that: I don't know about or just want to find a method description without opening an ide or am on support I type java [classname] into google, and there it is. If I try this crazy stunt for C# I'll come up with a whole heap of tutorials (how do I use it etc). If I manage to get to MSDN, I have to wade through a page describing every .net technology to see how their syntax references the same object, and then I have to find the appropriate page from there ([class name] Constructor) for example. This is even more pronounced, because I don't have Visual Studio, so I've got nothing to make it easier. There must be something I'm missing or don't know... how does this situation work for Microsoft developers? how can I make my life easier/searches better? are there techniques that work no matter what computer I'm on (e.g. require no computer setup/downloads) Notes It could be thought that java is just "java", but it's just that the java apis are only referenced/defined in the core language. For all the other languages on the JVM, it's assumed that you will just learn the correct syntax to use the java apis. I presume that .Net only lists a whole heap of languages as the api classes are actually different and have different interfaces capabilities (or some approximation of this presumption). Edit While searching msdn works... in the java space I can type 'java [anyclass]' and it will generally be found... whether it's a java core api or a third party library

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  • A rocket following the tracks height. Not Homing Missile.

    - by confusedEj
    What I am trying to create is a rocket that will hug the track in a straight direction. ie) The rocket travels in a straight direction and can orientate based on its local x axis. This is so it can go up/down ramps and never hit the ground. Currently I am using PhysX opengl and C++. This is the method I'm trying right now: 1. Ray cast from ahead of the missile (ray casting downwards) 2. If the ray cast is less then the expected ray cast length, then I have to orientate up. 3. If the ray cast is more then the expected ray cast length, then I have to orientate down. Now the problem, I am having is that my missile is orientating at an arbitary angle (I'm giving it 1 degrees.) Though I think this is a bad approach because the amount of frames in the game is not as much as I would think there would be. So the rocket would run into a ramp. My main question is: is there a better way of approaching this and how? NxVec3 frontRayLoc = m_rocketConfig->getValueForKey<NxVec3>("r_frontRayCastLocation"); float threshhold = m_rocketConfig->getValueForKey<float>("r_angleThreshhold"); float predRayCastHeight = m_rocketConfig->getValueForKey<float>("r_predRayCastHeight"); NxVec3 rayGlobalPos_1 = m_actor->getGlobalPosition() + m_actor->getGlobalOrientation() * frontRayLoc; NxVec3 dir = m_actor->getGlobalOrientation() * NxVec3(0,-1.0,0); NxReal dist1 = castRay(rayGlobalPos_1, dir); // Get the percentage difference float actualFrontHeight = abs(1 - (dist1/predRayCastHeight)); // See if the percentage difference is greater then threshold // Also check if we are being shot off track if ((actualFrontHeight > threshhold) && (dist1 != m_rayMaxDist)){ // Dip Down if (dist1 > predRayCastHeight){ printf("DOWN - Distance 1: %f\n", dist1); // Get axis of rotation NxVec3 newAxis = m_actor->getGlobalOrientation() * NxVec3(1.0,0,0.0); // Rotate based on that axis m_orientateAngle = -1.0 * m_orientateAngle; // For rotating clockwise NxQuat newOrientation(m_orientateAngle, newAxis); NxMat33 orientation(newOrientation); m_orientation = m_orientation * orientation; // Orientate the linear velocity to keep speed of rocket and direct away from road NxVec3 linVel = m_actor->getLinearVelocity(); m_actor->setLinearVelocity(m_orientation * linVel); } // Go Up else if (dist1 < predRayCastHeight){ printf("UP - Distance 1: %f\n", dist1); // Get axis of rotation NxVec3 newAxis = m_actor->getGlobalOrientation() * NxVec3(1.0,0,0.0); // Rotate around axis NxQuat newOrientation(m_orientateAngle, newAxis); m_actor->setGlobalOrientationQuat(newOrientation); NxMat33 orientation(newOrientation); m_orientation = m_orientation * orientation; // Orientate the linear velocity to keep speed of rocket and direct away from road NxVec3 linVel = m_actor->getLinearVelocity(); m_actor->setLinearVelocity(m_orientation*linVel); } m_actor->setGlobalOrientation(m_orientation); } Thanks for the support :)

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  • How do you rotate a sprite around its center by caclulating a new x and y position?

    - by Sam152
    I'm using Dark GDK and C++ to create a simple 2d game. I'm rotating an object but it rotates from the top left corner of the sprite. I have the following variables available: PlayerX PlayerY PlayerWidth PlayerHeight RotateAngle (360 x 0) Is there an algorithm that will modify the pivot point of the sprite, preferable to the center? Here is a small code sample: void Player::Move( void ) { if ( checkLeft() ) { PlayerX -= PlayerSpeed; if ( PlayerX < 0 ) PlayerX = 0; } if ( checkRight() ) { PlayerX += PlayerSpeed ; if ( PlayerX > 800 - PlayerWidth ) PlayerX = 800 - PlayerWidth; } if ( checkUp()) { PlayerY -= PlayerSpeed; if ( PlayerY < 0 ) PlayerY = 0; } if ( checkDown()) { PlayerY += PlayerSpeed; if ( PlayerY > 600 - PlayerHeight) PlayerY = 600 - PlayerHeight; } RotateAngle += 5; if(RotateAngle > 360) RotateAngle -=360; dbRotateSprite(Handle,RotateAngle); dbSprite ( 1 , PlayerX , PlayerY , Handle ); } Edit I'm considering opening up some reputation for this question, I have yet to be provided with an answer that works for me. If someone can provide an actual code sample that does the job, I'd be very happy. The problem with Blindy's answer is that no matter how much I simply translate it back or forth, the spirte still rotates around the top left hand corner and moving it somewhere rotating around the top left corner, then moving it back to the same position accomplishes nothing. Here is what I believe to be going on: Just so there is no confusion I have created a an image of what is going on. The left shows what is actually happening and the right shows what I need to happen.

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  • Built in Analyzer in Xcode 3.1.4

    - by Mustafa
    Hi all, I wonder if the built in Analyzer in Xcode 3.1.4 makes it redundant to use LLVM/Clang Static Analyzer separately? Please refer to the original article here: Finding memory leaks with the LLVM/Clang Static Analyzer Thanks.

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  • New to asp.net. Need help debugging this email form.

    - by Roeland
    Hey guys, First of all, I am a php developer and most of .net is alien to me which is why I am posting here! I just migrated over a site from one set of webhosting to another. The whole site is written in .net. None of the site is database driven so most of it works, except for the contact form. The output on the site simple states there was an error with "There has been an error - please try to submit the contact form again, if you continue to experience problems, please notify our webmaster." This is just a simple message it pops out of it gets to the "catch" part of the email function. I went into web.config and changed the parameters: <emailaddresses> <add name="System" value="[email protected]"/> <add name="Contact" value="[email protected]"/> <add name="Info" value="[email protected]"/> </emailaddresses> <general> <add name="WebSiteDomain" value="hoyespharmacy.com"/> </general> Then the .cs file for contact contains the mail function EmailFormData(): private void EmailFormData() { try { StringBuilder body = new StringBuilder(); body.Append("Name" + ": " + txtName.Text + "\n\r"); body.Append("Phone" + ": " + txtPhone.Text + "\n\r"); body.Append("Email" + ": " + txtEmail.Text + "\n\r"); body.Append("Fax" + ": " + txtEmail.Text + "\n\r"); body.Append("Subject" + ": " + ddlSubject.SelectedValue + "\n\r"); body.Append("Message" + ": " + txtMessage.Text); MailMessage mail = new MailMessage(); mail.IsBodyHtml = false; mail.To.Add(new MailAddress(Settings.GetEmailAddress("System"))); mail.Subject = "Contact Us Form Submission"; mail.From = new MailAddress(Settings.GetEmailAddress("System"), Settings.WebSiteDomain); mail.Body = body.ToString(); SmtpClient smtpcl = new SmtpClient(); smtpcl.Send(mail); } catch { Utilities.RedirectPermanently(Request.Url.AbsolutePath + "?messageSent=false"); } } How do I see what the actual error is. I figure I can do something with the "catch" part of the function.. Any pointers? Thanks!

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  • Programming image maps

    - by patrikas
    Hello, I am looking for a javascript/jquery solution to build a map with selectable tracks. It will consist of area's map (image) with some river routes for boats that have to be selectable - route have to be made clearer on mouse hover and after user clicks on a route a popup window should emerge. Basically I am just looking for a solution for this type of 'map'. Maybe there are some jquery widgets/plugins that would ease the work ? I don't know where to start actually.. Can anybody give some pointers ? Thanks in advance, Patrick

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  • Comparison of web template engines

    - by Mark
    Post a snippet of code from your favorite templating engine, with the name of the engine and a link to its homepage; show off its basic syntax and maybe some neat features about it that makes it unique. Hopefully this will give people an idea of what's out there and make it easier for them to decide on an engine.

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  • Best way to set-up an iPhone project?

    - by wgpubs
    Looking for the best way to set-up an iPhone project in XCode ... namely: What is the preferred project template to start with (e.g View-Based or Windows-Based application)? What folder structure should I create in XCode to manage the project? For example, under "Classes" is it a preferred practice to add Models, Views and Controllers sub-folders? Any other best practices, tips, etc... would be appreciated. Thanks

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  • What kind of security issues will I have if I provide my web app write access?

    - by iama
    I would like to give my web application write access to a particular folder on my web server. My web app can create files on this folder and can write data to those files. However, the web app does not provide any interface to the users nor does it publicize the fact that it can create files or write to files. Am I susceptible to any security vulnerabilities? If so, what are they?

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  • print web on dot matrix receipt printer

    - by nightingale2k1
    Hi, I need to print a receipt from my web based apps using dot matrix printer epson tm-u220d (pos printer). I need to know, should I generate the receipt in html or in plain text ? I ever saw some commands for dot matrix printer to change the font size, line feed etc .. but I don't remember that commands. if I have to use plain text I need to use that commands. anyone knows where i can get the references ? Thanks

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