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• C# - Fingerprint Biometrics

  - by Jonathan.Peppers

  We are wanting to add support for fingerprint authentication in a .Net 3.5 application. We currently are only using the sdk from Griaule. But this only supports like 5 usb plug-and-play devices. We are wanting to support most readers included with laptops, tablets, etc. Is there a universal way to support many devices? I know there is a new standard starting with Windows 7, but we want to support XP and higher. Is there even a .Net SDK out there for UPEK or Authentec devices? Any ideas or help would be appreciated.

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• What is the bit size of long on 64-bit Windows?

  - by acidzombie24

  Not to long ago someone told me that long are not 64 bits on 64 bit machines and i should always use int. This did not make sense to me. I seen docs (such as the one on apples official site) say that long are indeed 64 bits when compiling for a 64bit CPU. I looked up what it was on windows and found Windows: long and int remain 32-bit in length, and special new data types are defined for 64-bit integers. from http://www.intel.com/cd/ids/developer/asmo-na/eng/197664.htm?page=2 What should i use? should i define something like uw, sw ((un)signed width) as a long if not on windows. Otherwise do a check on the target CPU bitsize?

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• What's the best way to do literate programming in Python on Windows?

  - by JasonFruit

  I've been playing with various ways of doing literate programming in Python. I like noweb, but I have two main problems with it: first, it is hard to build on Windows, where I spend about half my development time; and second, it requires me to indent each chunk of code as it will be in the final program --- which I don't necessarily know when I write it. I don't want to use Leo, because I'm very attached to Emacs. Is there a good literate programming tool that: Runs on Windows Allows me to set the indentation of the chunks when they're used, not when they're written Still lets me work in Emacs Thanks! Correction: noweb does allow me to indent later --- I misread the paper I found on it. By default, notangle preserves whitespace and maintains indentation when expanding chunks. It can therefore be used with languages like Miranda and Haskell, in which indentation is significant That leaves me with only the "Runs on Windows" problem.

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• Is there a Novatel Wireless Modem Emulator or something similar?

  - by David Brown

  Novatel Wireless provides their NovaCore SDK for developers wishing to interface with their line of modems. I'm currently developing an open source managed wrapper for it, but I'm having difficulties with testing. I own a Novatel MiFi and have mobile broadband service through Sprint, but that can only get me so far. The device is already activated, thus I can't test the network activation features of the NovaCore SDK. There are also certain features only available for HSPA modems, which I am not able to get in my area. Is there an emulator capable of emulating a Novatel Wireless modem so that I can test my library without physical hardware and an actual data connection? If not, do you have any other suggestions that might help in this situation? I've contacted Novatel Wireless via email and their developer forum, but have not received a response. Thanks!

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• What is good server performance monitoring software for Windows?

  - by Luke

  I'm looking for some software to monitor a single server for performance alerts. Preferably free and with a reasonable default configuration. Edit: To clarify, I would like to run this software on a Windows machine and monitor a remote Windows server for CPU/memory/etc. usage alerts (not a single application). Edit: I suppose its not necessary that this software be run remotely, I would also settle for something that ran on the server and emailed me if there was an alert. It seems like Windows performance logs and alerts might be used for this purpose somehow but it was not immediately obvious to me. Edit: Found a neat tool on the coding horror blog, not as useful for remote monitoring but very useful for things you would worry about as a server admin: http://www.winsupersite.com/showcase/winvista_ff_rmon.asp

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• Log off from Remote Desktop Session does not closing Session, showing the login screen again on Wind

  - by Santhosha

  Hi As per requirement we have written one custom GINA. I have observed one interesting behavior in Windows XP 32 Bit(SP2). Customized GINA internally calls windows default Windows GINA(msgina.dll) and shows one extra window as per our requirement. I used to do remote desktop to XP machine from my machine. After replacing Windows GINA with customized GINA I tried to log off from the XP Machine(I am Using Remote Desktop Connection to log in), Log off completes successfully(After showing saving your settings, Closing network connections etc) and I will get log in screen which we get during log on, this is not expected comapred to other flavors of Windows OD. Where as in other operating systems such as Windows XP 64 Bit/ Windows 2003 32/64 Bit even after replacing the Windows Gina with custom GINA remote desktop session closes after log off from the machine. I have tried installing Novell GINA on Windows XP 32 Bit but i have not find any issue with that. I have Tried upgrading XP SP2 to SP3, still i am facing the same issue. Whether anyone faced Such issues when worked with Windows GINA? Thanks in advance Santhosha K S

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• How to remotely control a Windows Service with ServiceController?

  - by Amokrane

  Hi, I'm trying to control Windows Services that are installed in a remote computer. I'm using the ServiceController class. I have this: ServiceController svc = new ServiceController("MyWindowsService", "COMPUTER_NAME"); With this, I can get the status of the Windows Service like this: string status = svc.Status.ToString(); But I can't control the Windows Service (by doing svc.Start(); or svc.Stop();). I get the following exception: Cannot open Servicexxx service on computer 'COMPUTER_NAME' That's normal, I suppose there is something to do with access permissions. But how? I've looked into Google but didn't find what I was looking for. However I often read something related to impersonation, but I don't know what that means. NB: The local and remote computers are both running Win XP Pro. Thanks.

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• How to deal with symbolic links when going between Linux and Windows?

  - by Jesse Beder

  I have a django project that runs on a Linux server, and I've been working on it both on Linux and OS X. I've noticed that some of the pages are a bit off, to put it politely, in Internet Explorer, and so I checked out the subversion repository on Windows and tried to run a local server. My media directory has symbolic links to all of the media from each different app, and obviously Windows doesn't know what to do with them. I could simply hard-copy or link everything manually in Windows, but then I wouldn't be able to check that in (since the site runs on a Linux server), so it'd be a pain in the neck. What is typically done in this case?

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• Is there any explorer.exe problem in windows 7 ?

  - by sml

  s += "<p style=\"text-align: left;\"><a href=\"javascript:window.print()\">PRINT</a></p>"; System.IO.File.WriteAllText(@"CheckForm.html", s); System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo(); startInfo.FileName = "explorer.exe"; startInfo.Arguments = "CheckForm.html"; System.Diagnostics.Process.Start(startInfo); I'm having a trouble when I tried to open my c# windows application in windows 7 otherwise there is no problem. I couldn't open explorer.exe in Windows 7 with above code. Any suggestions?

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• iPhone Text entry with completion and DONE button (not search)

  - by Adam Jack

  Using iPhone SDK 3.0, I wish to allow text entry with (optional) completion options that appear as typing is occurring, i.e. also allowing freeformat entry. As such I am using a UISearchBar (which has the text change events) and a UISearchDisplayController to present options. The problems is I want the DONE button to say DONE and not SEARCH, however I cannot find a way to set that. Clearly I feel I am missing something, or Interface Builder of the SDK API would have some property to set. I have seen other apps (in the store) that have achieved the result I want (free format entry, completion, DONE button) so maybe there is an alternative approach I am missing. Thanks in advance for any pointers.

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• Calculating pixel size on an iPhone

  - by ian1971

  Is there a way in the iPhone SDK to calculate the size (in millimeters) of a single pixel?

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• My iPhone App doesn't work in iOS 4. Why?

  - by noflipes

  Hi everybody. I make a iPhone App that display some videos, I made it with Xcode 3.2.2 with iPhone SDK 3.1.3 and works fine. But a few days ago I downloaded the last version of the iPhone SDK for iOS 4, the proyect Build ok, no erros, no warnings, but when I run the aplication the video didn't work, the image didn't load but sound works. I don't understand it. Here is the code that I used. NSBundle *Bundle = [NSBundle mainBundle]; NSString *moviePath = [Bundle pathForResource:@"Prueba" ofType:@"mp4"]; NSURL *movieURL = [[NSURL fileURLWithPath:moviePath] retain]; MPMoviePlayerController *theMovie = [[MPMoviePlayerController alloc] initWithContentURL:movieURL]; theMovie.scalingMode = MPMovieScalingModeFill; [theMovie play]; Some idea? Best regards

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• Could Grand Central Dispatch (`libdispatch`) ever be made available on Windows?

  - by elliottcable

  I’m looking into multithreading, and GCD seems like a much better option than manually writing a solution using pthread.h and pthreads-win32. However, although it looks like libdispatch is either working on, or soon going to be working on, most newer POSIX-compatible systems… I have to ask, what about Windows? What are the chances of libdispatch being ported to Windows? What are the barriers preventing that from happening? If it came down to it, what would I need to do to preform that portage? Edit: Some things I already know, to get the discussion started: We need a blocks-compatible compiler that will compile on Windows, no? Will PLBlocks handle that? Can we use the LLVM blocks runtime? Can’t we replace all the pthread.h dependencies in userspace libdispatch with APR calls, for portability? Or, alternatively, use pthreads-win32 I suppose…

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• iTunes Connect: Excluding iPad From Supported Devices

  - by mattmccomb

  I have just uploaded my first app to iTunes Connect and noticed that my list of supported devices is appearing as follows... Device Requirements : Compatible with iPhone, iPod touch, and iPad. I've developed specifically for the iPhone and iPod Touch and have not yet done any testing on the iPad simulator. I therefore don't want the app submission testers to try running my app on an iPad and rejecting it because of some minor issue. I've looked at setting the required device capabilities in my info.plist, but that doesn't appear to allow me to restrict at a device level. Is this a by-product of building using the 3.1.3 SDK? Are apps built using this SDK automatically upscaled to work on the iPad?

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• Where is a good place/way to store Windows config files for Python scripts?

  - by thornomad

  I have a script/program I am working on that requires a configuration file (I am using ConfigParser). On linux, I will default to store these variables in ~/.myscript using the os.getenv('HOME') function. With Windows, I know I can use os.getenv('USERPROFILE') to find the User's "home" directory, however, is it a good idea to save a hidden file that way (ie, with the name .myscript)? I don't use Windows, obviously, but wanted to be smart about it for those who do. Is there a standard place/way to store these config variables on Windows?

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• My iPhone App don't works in iOS 4. Why?

  - by noflipes

  Hi everybody. I make a iPhone App that display some videos, I made it with Xcode 3.2.2 with iPhone SDK 3.1.3 and works fine. But a few days ago I downloaded the last version of the iPhone SDK for iOS 4, the proyect Build ok, no erros, no warnings, but when I run the aplication the video didnt work, the image didn't load but sound works. I don't understand it. Here is the code that I used. NSBundle *Bundle = [NSBundle mainBundle]; NSString *moviePath = [Bundle pathForResource:@"Prueba" ofType:@"mp4"]; NSURL *movieURL = [[NSURL fileURLWithPath:moviePath] retain]; MPMoviePlayerController *theMovie = [[MPMoviePlayerController alloc] initWithContentURL:movieURL]; theMovie.scalingMode = MPMovieScalingModeFill; [theMovie play]; Some idea? Best regards

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• Having trouble reading XML file from Windows server. Works on Linux

  - by DuFF14

  I'm parsing an XML file in an android app. My success varies depending upon where the file is hosted. After hosting the file on 4 different servers (2 Linux, 2 Windows), I discovered that when the xml is hosted on a Linux server, the app works. When it's hosted on a Windows server, I am unable to parse correctly. Instead of reading the expected xml tags, it reads HTML tags (, , , etc). I'm not sure why it doesn't work on Windows servers, or if that is even the issue and not just a coincidence. Any help is appreciated. Thanks. Here is my code: private void getXmlData() { HttpClient httpclient = new DefaultHttpClient(); String url = XML_URL; HttpPost httppost = new HttpPost(url); HttpResponse response = httpclient.execute(httppost); SaxParser saxParser = new SaxParser(response); parsedXML = saxParser.parse(); }

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• How should open source libraries be used on Windows?

  - by Jason Owen

  There are many open-source libraries that can be compiled with Visual Studio. I'm porting a program from Linux to Windows, but it depends on a number of libraries. I don't know what the best practices regarding libraries are on Windows. On Linux, these libraries are typically part of the distribution. To use sqlite on Debian, for example, you need only to install libsqlite3-dev and the include files and libraries (both static and dynamic) are automatically installed and available to your program. If you need a different version than your distribution supplies, you can compile it in your home directory, install it to ~/include and ~/lib, and set the appropriate environment variables so that your compiler includes those directories in its search path. What is the best way to use libraries that are distributed as source on Windows? If I link dynamically rather than statically, is there an easy way to copy required DLLs into the output directory to ease redistribution (assuming license requirements are met)?

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• Has anyone managed to get Visual Studio 2003 running on Windows 7?

  - by Jeremy White

  Yes, I know... I could set up a virtual machine running XP. Unfortunately our build environment is such that we need to be running VC2003, 2005 and 2008 concurrently and it would be much more convenient if I could run 2003 natively on Windows 7 for the few projects we have that require it. I realize some things may not be available in the IDE, but I was able to run 2003 under windows Vista and if I could get the same base level of functionality under Windows 7 I would be extremely happy. Right now I get an error opening the *.pdb file when I compile after switching vc2003 to run as Administrator under compatibility mode for XP SP 2. Thanks!

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• Are there any good resources on developing ASP.NET for Windows CE Internet Explorer?

  - by IronicMuffin

  I've been tasked with creating a web app to be consumed by a mobile device sporting Windows CE 5.0 (and some with Windows CE 4.2). I've found a host of things that seem to work fine in IE6 on my desktop, but fail when rendered in IE for Windows CE. IE6 is bad enough as it is...does it lose any more functionality on an embedded system? Are there quirks that a developer would need to know about? AJAX seems extremely unlikely. JavaScript seems quirky when linking to a .js file. Panels with scrollbars are finicky. Textboxes can't get focus. DefaultButtons on a form don't work. Any help or resources you can provide would be greatly appreciated.

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• Is there any way to do a WER "Request Additional Files" for the windows temp directory?

  - by Jason Mathison

  My company has had numerous crashes reported to windows error reporting due to what looks like an install problem. The logs for our installs are typically in the windows\temp directory. I would like to include the install log file as a "Request Additional Files" entry, however there doesn't seem to be any way to get to a subdirectory of the list of environmental Variables that are provided. The windows temp directory is not in the list of values that you can work from, so I am stuck. In general, I don't understand how it is possible to get at almost anything of use via the "Request Additional Files". For example, the %programfiles% directory shouldn't contain any useful files, they should be in a subdirectory for your product. What am I missing?

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• Has ordinal index of functions in Windows API dlls ever changed?

  - by Panda

  You know that functions in a dll can be imported either by name or by ordinal index. From wikipedia: For most Windows API functions only the names are preserved across different Windows releases; the ordinals are subject to change. Thus, one cannot reliably import Windows API functions by their ordinals. My Question: I know these ordinals MAY CHANGE, but I want to know if they've ever ACTUALLY CHANGED. (Especially about kernel32 & user32 dlls) Why I'm asking this? I heard some viruses do import win32 functions by ordinal. I want to catch them, and I want to know whether I can test for an ordinal number or not. Thanks.

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• Confusion with cookie session token and oauth2.0 don't know where to go anymore

  - by byte_slave

  Hi guys, I'm completely confused, frustrated and nothing seems to make sense and work any more. I' dev some iframe fb app and i've been using the javascript sdk (FB.Init()) to get the access_token, but doesn't always work, sometimes i'm already logged into FB and doesn't works... Did some reading, and read also that there is problems using cookies in iframes in Opera and IE, so I was thinking in use the OAuth 2.0 but i'm not sure how via facebook sdk c# and now I'm now completely lost, don't know if i still need to use the javascript FB.Init(). Documentation out there is poor and unclear, a lot of stuff refers to old code, and after hours of reading, jumping on examples, i'm completely messed up and confused. Can some, please, point/explain/enlightening me about this? Thanks a lot guys, appreciated! Merry christmas!

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• Why won't Heroku accept my Gemfile.lock in Windows?

  - by mranders

  I have a rails application that I deploy on Heroku. I'm using several different machines, and I noticed that when I add new dependencies (so that Gemfile.lock is rebuilt) and do bundle install on my Windows computer at home, push to Heroku fails with the following error: Unresolved dependencies detected; Installing... Windows Gemfile.lock detected, ignoring it. You have modified your Gemfile in development but did not check the resulting snapshot (Gemfile.lock) into version control ... Gemfile.lock IS under version control, but Heroku appearently chooses to ignore it since it's created in Windows, and then complains that it's missing seconds later. Why does this happen? And how can I solve it?

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• How to automatically open a session after a Windows 2003 SP2 reboot ?

  - by Fredv

  Hi, i'm using a Windows 2003 Server. I have a session with my username on it and i have a windows application (not service) opened on it. I want this application to always be running. The problem is, when Security updates force Windows to reboot, my session is closed and i need to reconnect to the session to get my application working again .. How can i do to automaticaly force the opening of my user's session upon server's reboot ? (application launch is in the startup of my session) Thanks

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