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  • How to deploy a commercial portable application?

    - by plainth
    Hi, We plan to sell a Windows portable application. By 'portable' I mean that it can be run from any Windows computer without installing it. For example from an USB stick etc. However the application while (theoretically) it can work anywhere, is targeted to LAN environments. What solutions do you see that while keeping this advantage (in a more or a lesser degree) to still make money from it? PS: The application is/will be written in Delphi.

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  • Does Watir work under ruby 1.9.1?

    - by Horace Ho
    Here is the .rb program: require 'watir' b = Watir::Browser.new the 2nd line will trigger a ""The program can't start because msvcrt-ruby18.dll is missing from your computer!" error. I am using 1.9.1p378 on win32 ruby 1.9.1p378 (2010-01-10 revision 26273) [i386-mingw32] How can I fix this? Thanks for your attention.

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  • Image upload and jCrop and codeigniter

    - by sea_1987
    Hi There, I am trying to build a system that allows a user to select an image from their own computer, and crop it using the jCrop tool from jQuery. My question is can I show the image the user has selected from their system without uploading it to a system, I dont really want to do two uploads, unless I can do the first upload silently? Any help would be great. Thank you.

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  • Windows Desktop Search - Force re-index / index now from command line.

    - by Wade
    I'm working on a project where we're using Windows Desktop Search (WDS) to index files on a web share and then later allow the user to search via a website for documents in the share. These documents are transferred to the share via FTP, however it would seem that either the computer never goes idle to index or at some point the indexing stops. Is there a way from the command line or within the program itself to force this to happen without having to re-invent the wheel? Using .NET 3.5 and C#.

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  • Linux scp command issue

    - by George2
    Hello everyone, I am using scp command to copy file from a MacBook Pro OS X 10.5 to another Linux box (Red Hat Linux Enterprise 5). I am using the following command on Mac, sudo scp ~/.ssh/mykey.rsa [email protected], there is no output from Mac command line. I am not sure whether the scp is success or not. Where is the location the file mykey.rsa on remote computer 10.10.100.101? thanks in advance, George

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  • Hangs with LINQ-SQL Server and TransactionScope

    - by Zian Choy
    I'm encountering a hang when the program tries to access the fruit database. I've already enabled network access MSDTC on both my development computer and the SQL Server server. Code: (pardon the code coloring...SO's misinterpreting my VB .NET) Using ts As New TransactionScope Dim fruit As New FruitDataContext Dim thingies As New ThingiesDataContext If (From f In fruit.tblApples Where f.Rotten = True).Count >= 1 Then 'Record today's date as the day that the rotten apples were dumped. End If 'Other complicated code that uses ThingiesDataContext and FruitDataContext du.SubmitChanges() ts.Complete() End Using

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  • Language for non-programmers to start learning programming

    - by zarawesome
    A non-programmer friend will be starting the Computer Science college course in a few months. I'd like her to try her hand at some programming before she starts her studies (the course itself expects one to know C, but it's an horrible language to learn to program at). What language would be the best to do so? Related question: Best ways to teach a beginner to program?

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  • Are there people using scheme out there?

    - by Nick
    Hey, I have just started to study computer sciences at the university where they teach us programming in scheme. Since i have learned c++ for the last 6 years, scheme appears a little odd to me. But they tell me you can write any program you can write in C or Java with it. Is anybody really using this language?

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  • What is O(n log n) or O(n log(log n))

    - by Mark Tomlin
    What does O, if indeed it is a Oh (As in the letter O) not the number Zero (0) mean? I think the n would be number, but I'm not sure as I'm not a 'real' computer programmer, just a hobbyist. And log would be logarithmic function, but I only know that because of smarter people then I have told me this, while never really explaining what a logarithm is. So please, in plain English, explain what this is, and the differences between the two (such as their applications.

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  • "SSH server" in Windows?

    - by Benjamin Oakes
    I have some command-line commands to execute on a Windows machine. The programs I need to run are only available on Windows. Is there a way to easily to do something like I would do with SSH? Example of what I mean: ssh [email protected] "remote command to execute" ...or do I have to Remote Desktop just to do this? (I'd like to run the commands programmatically from another computer rather than running them by hand.)

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  • Touch Typing Software recommendations

    - by Mike
    Since the keyboard is the interface we use to the computer, I've always thought touch typing should be something I should learn, but I've always been, well, lazy is the word. So, anyone recommend any good touch typing software? It's easy enough to google, but I'ld like to hear recommendations.

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  • AccessViolationException thrown

    - by user255371
    Hi, I’m working on a project that’s written in C# and uses a C++ dll to communicate with a robot. Originally the software was written in C# VS 2003 and was converted to VS 2008 (no change to the code) using .Net 2.0. Now, I started seeing the “Attempted to read or write protected memory…” on some computers. The Access violation error is always thrown when the code calls a particular method from the dll, however, that very same method is called over and over throughout the task and executes fine, just sometimes it throws the error. Also, the robot seems to execute the command fine which tells me that the values passed into the dll exist and thus are accessible. The software with the .Net 1.1 has been used for years and worked fine without ever throwing any memory errors. Now that it has been using .Net 2.0 it throws errors on some computers only. I’m not sure what’s causing the issue. I ruled out inappropriate calling (incorrect marshalling …) of the dll methods as it has been working fine with .Net 1.1 for years and thus should work fine in .Net 2.0 as well. I’ve seen some posts suggesting that it could be the GC, but then again why would it only happen on this one computer and only sometimes. Also, the values passed in are all global variables in the C# code and thus they should exist until the application is shut down and GC has no business moving any of those around or deleting them. Another observation, as I mentioned above, the robot executes the command normally which means that it gets all its necessary values. Not sure what the C++ dll’s method would do at the end where the GC could mess up stuff. It shouldn’t try to delete the global variables passed in and the method is not modifying those variables either (I’m not expecting any return values through the passed in values, the only return value is the method return which again shouldn’t have anything to do with GC.) One important piece of information I should add is that I have no access to the C++ code and thus cannot make any changes there. The fix has to come through the C# code or some settings on the computer or something else that I am in control of. Any help greatly appreciated. Thanks. Code snippet: Original method call in VS 2003 [DllImport("TOOLB32.dll",EntryPoint="TbxMoveWash")] public static extern int TbxMoveWash(int tArmId, string lpszCarrierRackId, int eZSelect, int[] lpTipSet, int tVol, bool bFastW); which I modified after seeing the error to the following (but the error still occurs): [DllImport("TOOLB32.dll",EntryPoint="TbxMoveWash")] public static extern int TbxMoveWash(int tArmId, string lpszCarrierRackId, int eZSelect, [MarshalAs(UnmanagedType.LPArray, SizeConst = 8)] int[] lpTipSet, int tVol, bool bFastW);

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  • Access Error when running windows program

    - by JPJedi
    I have a windows form application that uses microsoft access for the database on the backend. When I run that application I get an error that says access is not installed on the computer. I thought that if I included the reference that it will be included with what I release so the user would not have to have access installed. How do I include the Access Runtime to be distributed/installed when my application is installed?

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  • Graph paper like drawing software

    - by Algorist
    Hi, I have a college assignment, where I have to draw diagrams of voronoi, delaunay, minimum spanning tree etc for the college. I want to do that in computer. I searched in google with no luck. Is there any good graph drawing software you are aware of? Thank you Bala

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  • Speech recognition plugin Runtime Error: Unhandled Exception. What could possibly cause it?

    - by manuel
    I'm writing a plugin (dll file) for speech recognition, and I'm creating a WinForm as its interface/dialog. When I run the plugin and click a button to start the initialization, I get an unhandled exception. Below is the complete details of it. See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ***** Exception Text ******* System.ArgumentException: Value does not fall within the expected range. at System.Speech.Internal.SapiInterop.SapiProxy.MTAThread.Invoke2(VoidDelegate pfn) at System.Speech.Internal.SapiInterop.SapiRecognizer.SetInput(Object input, Boolean allowFormatChanges) at System.Speech.Recognition.RecognizerBase.SetInputToDefaultAudioDevice() at System.Speech.Recognition.SpeechRecognitionEngine.SetInputToDefaultAudioDevice() at gen_myplugin.Dialog.init() at gen_myplugin.Dialog.btnSpeak_Click(Object sender, EventArgs e) at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ***** Loaded Assemblies ******* mscorlib Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3603 (GDR.050727-3600) CodeBase: file:///c:/WINDOWS/Microsoft.NET/Framework/v2.0.50727/mscorlib.dll ---------------------------------------- gen_speechquery Assembly Version: 1.0.3755.878 Win32 Version: CodeBase: file:///C:/Program%20Files/Winamp/Plugins/gen_speechquery.dll ---------------------------------------- msvcm90 Assembly Version: 9.0.30729.1 Win32 Version: 9.00.30729.1 CodeBase: file:///C:/WINDOWS/WinSxS/x86_Microsoft.VC90.CRT_1fc8b3b9a1e18e3b_9.0.30729.1_x-ww_6f74963e/msvcm90.dll ---------------------------------------- System.Windows.Forms Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Windows.Forms/2.0.0.0__b77a5c561934e089/System.Windows.Forms.dll ---------------------------------------- System Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- System.Drawing Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Drawing/2.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll ---------------------------------------- System.Speech Assembly Version: 3.0.0.0 Win32 Version: 3.0.6920.1109 (lh_tools_devdiv_wpf.071009-1109) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System.Speech/3.0.0.0__31bf3856ad364e35/System.Speech.dll ***** JIT Debugging ******* To enable just-in-time (JIT) debugging, the .config file for this application or computer (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled. For example: When JIT debugging is enabled, any unhandled exception will be sent to the JIT debugger registered on the computer rather than be handled by this dialog box.

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  • Web application vs. web services vs. classic application

    - by Cicik
    Please I need help. I have project in which I need application which communicates with local DB server and simultaneously with central remote DB server to complete some task(read stock quotas from local server create order and then write order to central orders DB,...). So, I don`t know which architecture and technology do this. Web application, .NET WinForms client applications on each computer, or web services based central application with client applications? What are general differences between this approaches? Thanks

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  • How to extract files from Windows Vista Complete PC Backup?

    - by Martin
    Is there a program or API I can code against to extract individual files from a Windows Vista Complete PC Backup image? I like the idea of having a complete image to restore from, but hate the idea that I have to make two backups, one for restoring individual files, and one for restoring my computer in the event of a catastrophic failure.

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  • Is there some way to "nice" my JavaScript execution?

    - by synapz
    I'd like to run some calculations in a browser window, but I don't want it to slow the client computer down for user interaction, especially for single core machines. Is there some way to adjust the nice level of my executing JavaScript so that it will execute as fast as possible without detracting from the responsiveness of the machine?

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  • .net 4.0 Adoption Rate

    - by AKRamkumar
    What is the adoption rate of .net 4.0? When will it be on Windows Update? I heard that it is smaller than 3.5, does that mean if I install .net 4.0, it will decrease the space used by the framework? If I make an application in 3.5 and it runs on a computer that has 4.0, will my application get some of the optimizations that 4.0 uses?

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  • Should using Eval carry the same stigma as GoTo?

    - by JustSmith
    It is taught in every computer science class and written in many books that programmers should not use GoTo. There is even an xkcd comic about it. My question is have we reached a point where the same thing can be said about Eval? Where GoTo is not conductive for program flow and readability, Eval is the same for debugging, and program execution, and design. Should using Eval have the same stigma as GoTo, and same consequences as in the xkcd comic?

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  • Summer Activity or Internship in Europe [2010] [closed]

    - by mrlinx
    I'm a graduate student looking for week(s) long activity in the summer. Because the summer isn't very long for students in my college, I'm not looking for a 3 month full-time internship, but some kind of activity where I can experience subjects related to computer science, entrepreneurship and team management. Do you know any? Recommend a better place to look for this?

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