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• Help me start out with OpenGL

  - by Arun Thakkar

  Till today I am working with Basic UIKIT application but now onwards I need to work in OpenGL. Problem is I have not any idea about OpenGL and am confused lot about how to start and from where to start. I need to create an application which is same as "iBeer" (see movie in YouTube). So I am having lots of confusion about how do I create graphics of beer that you seen in application, so what should be preferred library?

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• What is the main purpose and sense to have staging server the same as production?

  - by truthseeker

  Hi, In our company we have staging and production servers. I'm trying to have them in state 1:1 after latest release. We've got web application running on several host and many instances of it. The issue is that I am an advocate of having the same architecture (structure) of web applications on staging and production servers to easily test new features and avoid creating of new bugs with new releases. But not everyone agree with me, and for them is not a such big deal to have different connection between staging application instances. Even maybe to have more application and connections between application on staging than on production server. I would like to ask about pros and cons of such an approach? I mean some good points to agree with me, or some bad why maybe i don't have right. Some examples of consequences and so forth.

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• asp.net mvc should calls wcf

  - by niao

  Greetings, I have a wcf service that exposes functionality to my wpf application. This works fine. I would like to create a web version and I am wondering how can I connect from my asp.net mvc application to my wcf service? Should I use the same approach as for WPF application (which uses Proxy to connect to the WCF Service. Is there any nice article how can i do this?

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• ASP.NET 2.0 and 4.0 seem to treat the root url differently in Forms Authentication

  - by Kev

  If have the following web.config: <configuration> <system.web> <authentication mode="Forms"> <forms name="MembershipCookie" loginUrl="Login.aspx" protection="All" timeout="525600" slidingExpiration="true" enableCrossAppRedirects="true" path="/" /> </authentication> <authorization> <deny users="?" /> </authorization> </system.web> <location path="Default.aspx"> <system.web> <authorization> <allow users="*"/> </authorization> </system.web> </location> </configuration> The application is an ASP.NET 2.0 application running on Windows 2008R2/IIS7.5. If the site's application pool is configured to run ASP.NET 2.0 and I browse to http://example.com then Default.aspx is rendered as you'd expect from the rules above. However if the application pool is set to run ASP.NET 4.0 I am redirected to the login page. If I explicitly specify http://example.com/default.aspx then all is good and default.aspx renders. I've tried rewriting / -> /default.aspx (using IIS UrlRewriter 2.0) but the result is still the same, I get kicked to the login page. I've also tried this with an ASP.NET 4.0 application with the same result (which is where the problem initially arose). The reason I tried this with a 2.0 application was to see if there was a change in behaviour, and it seems that / is handled differently in 4.0. So to summarise, using the configuration above the following is observed: ASP.NET Version Url Behaviour ------------------------------------------------------------------------- 2.0 http://example.com Renders Default.aspx 2.0 http://example.com/Default.aspx Renders Default.aspx 4.0 http://example.com Redirects to Login.aspx 4.0 http://example.com/Default.aspx Renders Default.aspx Is this a bug/breaking change or have I missed something glaringly obvious?

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• Concatenate a variable with a string

  - by user311130

  Hello all, I wrote a small bat file: @echo off rem runs the {arg[0].exe} - using its fully qualified name %~f1 IF %errorlevel% NEQ 0 (set boolResult=False) ELSE (set boolResult=True) rem case1 EVENTCREATE /T ERROR /ID 700 /L "MyTest Application" /D "exitcode: %errorlevel%; session id is %SessionName%" rem case3 EVENTCREATE /T ERROR /ID 700 /L APPLICATION /D "exitcode: %boolResult%; session id is %SessionName%" rem case4 EVENTCREATE /T ERROR /ID 700 /L APPLICATION /D "exitcode: %errorlevel%; session id is %SessionName%" And I have got some questions, if you could help me out... case1: I get the following error: ERROR: 'MyTest Application' log does not exist. Cannot create the event. *The only way to initial eventlog in through high-leve (c#) code? case3: How can I concatenate a string with some bat variable ? case4: How do I add a newline in the description? "exitcode: %boolResult%\n session id is %SessionName%" didn't do that. Thanks for any assistance

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• ASP.NET: disabling authentication for a single aspx page (custom error page)?

  - by Richard Collette

  I am using a custom error page: <customErrors redirectMode="ResponseRedirect" mode="On" defaultRedirect="Error2.aspx"/> I want to disable authentication for the custom error page because the error being raised is related to an authentication module and I don't want to get into an infinite loop and I want to display a clean error page to the user. I have been trying the following configuration to do that. <location path="Error2.aspx"> <system.web> <authentication mode="None"/> <authorization> <allow users="?"/> <allow users="*"/> </authorization> </system.web> </location> I am getting a System.Configuration.ConfigurationErrorsException for the line that sets the authentication mode. It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS. I have verified that there are no other web.config files in subdirectories under the application's folder. The applications folder is configured as an application in IIS and the error page is at the application's root. File permissions set for the error page in IIS include anonymous and windows authentication (I have tried just anonymous as well).

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• handle user logoff or machine shutdown requests on WindowsME

  - by skylap

  I have to write a C# application that runs on WindowsME. Yes, I mean that Microsoft operating system that has been forgotten a long long time ago. My program needs no user interaction and as WindowsME doesn't support services, it will be a console application. Furthermore it will be used on more modern operating systems, where the user can choose whether to start it as console application or install it as a windows service. Now suppose the software is running on WinME and the user decides to logoff or shutdown the machine without a prior quit of my software. WinME complains about my program still running and asks if it should kill the process. Apart from the bad user experiance, this means that the application is not shut down properly. So I look for a way to be informed if the user logs off or wants to shutdown the machine to be able to perform a proper shutdown of my software first.

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• Writing a simple RSpec test to check that Rake tasks are correct

  - by John Feminella

  I'm trying to be diligent about checking my rake tasks with RSpec tests, but in the process of feeling my way around I seem to have hit a wall. I've got a really simple RSpec test that looks like this: # ./test/meta_spec.rb describe "Rake tasks" do require 'rake' before(:each) do @rake = Rake::Application.new @rake.load_rakefile # => Error here! Rake.application = @rake end after(:each) do Rake.application = nil end it "should have at least one RSpec test to execute" do Rake.application["specs"].spec_files.size.should > 0 end end I have a simple task called "specs" defined in ./Rakefile.rb which has an RSpec task that includes all the *_spec.rb files. If I put the @rake.load_rakefile method in, I want that Rakefile to load. But instead it just bombs out. If I comment it out, however, the test fails because the "specs" task is (understandably) not defined. Where am I going wrong?

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• System.exit(0) in java

  - by Ram

  I am writing an application program in java. If i need to exit from the application can i use system.exit or should i use some other method, which is good practice. If calling system.exit is not good practice then tell the reason and tell the alternative way to exit from the application.

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• how to resume facebook session key after user change facebook password

  - by aviavi

  hey i have iphone application that using facebook connect. users login to the iphone application using facebook connect. and then i receive their sessionKey back to my server, and i am using the sesssionkey to post actions to users wall. the iphone application keeps the user logged in allways. which means that every times the user will open the application, he will not need to make login again. the problem is that, when the user change his facebook password the user sessionKey also changes. and when the user enter to my iphone applicaiton, the user is shown as loggedin, and then i recieve to my server the user old sessionkey, and when i try to post to the user wall facebook tells me that the session is inavlid. it is ok because the user change his password and the session changes too. my question is how can i check in the iphone if the session key has changed ? and if it changes to promote the user to make login again.

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• How do you center a control in an MXML panel?

  - by George Edison

  Here is what I have: <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" backgroundColor="#ffffff"> <mx:VBox percentHeight="100" percentWidth="100" > <mx:Image source="@Embed('img.png')" percentHeight="100" percentWidth="100" /> </mx:VBox> </mx:Application> How can I center the mx:Image in the mx:Application?

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• Setting default language for iPhone app on first run

  - by RaYell

  I'm developing an application that should support two languages: English and French. However because English translation is not done yet we want to deploy it in French only and later on add English translation later on. The problem is that I don't want to strip English language out of my code since some parts are already done, there are different NIBs for that language etc. Instead I'd just want english language to be temporary disabled in my app. What I did is I put this code as the first instruction of - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; [defaults setObject:[NSArray arrayWithObjects:@"fr", nil] forKey:@"AppleLanguages"]; [defaults synchronize]; It works fine except for one thing. When you launch the application for the first time after installation it's still in English. That's probably because AppleLanguages preference was not yet set for it. After I quit the application and start it again it's being displayed correctly in French. Does anyone knows a fix so that French language was applied also on the first run?

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• Interpret enter as tab WPF

  - by ArsenMkrt

  Hi, I want to interpret Enter key as Tab key in whole my WPF application, that is, everywhere in my application when user press Enter I want to focus the next focusable control,except when button is focused. Is there any way to do that in application life circle? Can anyone give me an example? Thanks a lot!

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• Embed a JRE in a Windows executable?

  - by perp

  Suppose I want to distribute a Java application. Suppose I want to distribute it as a single executable. I could easily build a .jar with both the application and all its external dependencies in a single file (with some Ant hacking). Now suppose I want to distribute it as an .exe file on Windows. That's easy enough, given the nice tools out there (such as Launch4j and the likes). But suppose now that I also don't want to depend on the end user having the right JRE (or any JRE at all for that matter) installed. I want to distribute a JRE with my app, and my app should run on this JRE. It's easy enough to create a Windows installer executable, and embed a folder with all necessary JRE files in it. But then I'm distributing an installer and not a single-file app. Is there a way to embed both the application, and a JRE, into an .exe file acting as the application launcher (and not as an installer)?

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• Microsoft Speech Recognition in web service

  - by Diana

  I'm trying to use the System.Speech.Recognition namespace for recognizing speech in a web service. Actually, the WS calls a dll that uses this namespace. The problem is that...I can't. First, I had a Access denied error. After changing the Identity of my application pool to LocalSystem (security break, I know), that disappeared. But a timeout appeared. I receive no error, but no response either. I did some tests, and, the same code (very simple) that I use for recognizing the text in a WAV returns the answer in around 2 seconds, when integrated in a desktop application, but hangs and does nothing in a web application. I think I'm missing something... I'm not supposed to use System.Speech.Recognition in a web application? Am I supposed to use something else? Any help is greatly appreciated. Thank you!

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• Lose changed data in session

  - by user150528

  Our asp.net 2.0 application has a very long process (synchronized) before sending response back to client. I observed that a second request, exactly same the initial one, was sent after client IE8 waited response for a long period of time while our application was still processing the first request. I use page session with predefined key to store a flag when the initial request arrives and then starts long process while client IE waits for the response, so if second request comes in, our application checks the session value. After our application sets the session flag and starts processing, I use Fiddler “Abort Session” to abort the initial request, right away the second request (same as the first one) is sent automatically, but session value set earlier seems no longer exist. Any thoughts?

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• Send/cache multidimensional array to php with jQuery

  - by robertdd

  hy, i have a little, big problem here :) after i upload some images i get a list with all the images. I have some jQuery function for rotate, duplicate, delete, shuffle images! when i select a image and hit delete i send a post to php with the alt="" value of the image,i identify the picture and edit. I want to make a save button, Instead of sending a post every time i rotate a image, better send a post after editing the list of images with an array that contains all data? my php array after upload looks like this: [files] => Array ( [lcxkijgr] => lcxkijgr.jpg [xcewxpfv] => xcewxpfv.jpg [rtiurwxf] => rtiurwxf.jpg [gsbxdsdc] => gsbxdsdc.jpg ) say that I uploaded 4 pictures, firs picture i rotate 90 degrees second i want to duplicate third i rotate 270 degrees and the fourth image i delete i can do all this only with jQuery, but on the server the images are the same, after a refresh the images are the same this is the list with the images: <div class="upimage"> <ul id="upimagesQueue"> <li id="upimagesHPVEJM"> <a href="javascript:jQuery('#upimagesHPVEJM').showlargeimage('HPVEJM')"> <img alt="lcxkijgr" src="uploads/s6id9r9icnp8q9102h8md9kfd7/lcxkijgr.jpg?1272087830477" id="HPVEJM" style="display: block;" > </a> </li> <li id="upimagesSTCSAV"> <a href="javascript:jQuery('#upimagesSTCSAV').showlargeimage('STCSAV')"> <img alt="xcewxpfv" src="uploads/s6id9r9icnp8q9102h8md9kfd7/xcewxpfv.jpg?1272087831360" id="STCSAV" style="display: block;" > </a> </li> <li id="upimagesBFPUEQ"> <a href="javascript:jQuery('#upimagesBFPUEQ').showlargeimage('BFPUEQ')"> <img alt="rtiurwxf" src="uploads/s6id9r9icnp8q9102h8md9kfd7/rtiurwxf.jpg?1272087832162" id="BFPUEQ" style="display: block;" > </a> </li> <li id="upimagesRKXNSV"> <a href="javascript:jQuery('#upimagesRKXNSV').showlargeimage('RKXNSV')"> <img alt="gsbxdsdc" src="uploads/s6id9r9icnp8q9102h8md9kfd7/gsbxdsdc.jpg?1272087832957" id="RKXNSV" style="display: block;"> </a> </li> <ul> </div> is ok if i make one array like this: array{ imgFromLi = array(img1,img2,img3,img4,img5,img6) rotate = array{img1=90, img2=270, img3=90} delete = array{img4,img5,img6} duplicate = array{img2, img3} } how i can send/cache this array?? sorry for my very bad english

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• Click Once doesn't create StartMenu entry and Shortcut on Windows 7 x64

  - by MadBoy

  I've application that I deploy to share with ClickOnce so other users can install it and use it on their own machines. It worked fine till i noticed that when i install this app on my own machine (Windows 7 x 64) it doesn't add StartMenu (even thou it installs correctly and I have it in Control Panel / Programs). I didn't had that problem when my development machine was Windows XP. Application also deploys fine on other Windows XP computers. Also during installation (when i rerun setup) even thou I already have Net Framework 3.5 it always wants to install one (it starts that and terminates few seconds later - probably installer sees that it's already there). I can run application straigit from share just a bit of pain to do it. Are there some special settings I should do? Or some patches? I have Visual Studio 2008 and system with all optional updates installed. Application is written in C# and uses NET 3.5.

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• Time/resource allocation on a Stylish vs. Functional user interface

  - by jasonk

  When developing applications how much focus/time do you place on an application’s style vs. functionality. Battleship gray apps drive me insane. On the other hand maximizing a business application’s "style" can tax time and financial resources. Applications need to be appealing to resell or meet basic customer expectations, but defining a healthy medium can be difficult. What would you say are reasonable "standards" for allocating develop time/resources should be dedicated to stylizing a business application?

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• How can I perform action from ASP.NET MVC with different user credentials?

  - by Rob

  Hopefully this explanation will make sense, but what is the best way (if it is even possible) to pass along user credentials to preform a specific application from an ASP.NET MVC application. Currently I am working on trying to create directories on another server, we can't do this using the generic credentials that the application is running with; however, we have been told that we can if we pass the credentials of the user currently using the application along. Currently we are running on IIS 6.0 but will be moving to IIS 7.0 in the near future and likewise we are using Integrated Windows authentication for the web applications.

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• Running a Ruby Program as a Windows Service?

  - by Kyle Burton

  Is it possible to run a ruby application as a Windows Service? I see that there is a related question which discusses running a Java Application as a Windows Service, how can you do this with a Ruby application?

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• Design an api using rails and change the forgot password functionality

  - by ragupathi

  I have been using rails for developing web applications and now i need to do design an api for iphone application and since i used respond to json it also produces json but i use devise for authentication in my web application and when i send email and password along with the api it gives out {"user":{"authentication_token":"Lsusyd27ewgasga63","email":"[email protected]"}} and there is forgot password functionality in the iphone app but in the web application when clicking on forgot password button it sends an email to the users email, whereby the user has to go to his mail and click on the link sent and it will take to the change password path and after changing it the user will be login but in this iphone app i want to send the password to the user mail and the user can use that password and login. How can i do this? Also do i have to create new controllers for api or the web application controller is enough if it respond as json? please help me.

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• Icons in Windows Form Applications (VS2008)

  - by typoknig

  This is yet another question about .ico files. I have read through many pages trying to figure this out but I am unable to. When I go to Properties - Application of my Windows Form Application there is a place for me to pick the icon for my application. I have made a 32x32 icon and it takes it just fine, but the image is grainy when it is applied to my .exe file, like it is a picture that has been expanded more than it should have. 1.) Why is this? 2.) Is there any .ico file size other than 32x32 than a Windows Form Application can accept? I have tried 48x48 but it doesn't like that. I just want my .exe file to look nice!

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• Looking for: C/C++ Regex library that supports Named Captures

  - by user318811

  I'm thinking about writing a small application that will help me mass rename files. I currently use an application named 'RegexRenamer', which (I'm assuming) uses the .NET regex engine. The application is fine, but is sort of clunky. So what I'm looking for is a C/C++ regex library that I can build my custom program off of. Anything that is small and lightweight is preferred (.Net seems heavy). Thanks.

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• How to free virtual memory ?

  - by Mehdi Amrollahi

  I have a crawler application (with C#) that downloads pages from web . The application take more virtual memory , even i dispose every object and even use GC.Collect() . This , have 10 thread and each thread has a socket that downloads pages . I use dispose method and even use GC.Collect() in my application , but in 3 hour my application take 500 MB on virtual memory (500 MB on private bytes in Process explorer) . Then my system will be hang and i should restart my pc . Is there any way that i use to free vitual memory ? Thanks .

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