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• Qt LGPL licencing for a free application with closed source

  - by Andy M

  Hey everyone, I'm working on an application developped with Qt 4.6.2. I'm linking dynamicaly and I don't want to share my source code. The application is totally free and I don't plan on selling any part of it. I did not make any changes in the Qt library, I'm only using it to develop the application... I just want to share my free application, without having to share the source code... My question is, what would be your advices in choosing the correct licencing ? Thanks in advance for your answers !

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• Unable to add Solution to TFS 2010 due to existing (invisible)binding

  - by Refracted Paladin

  I have a smallish utility library I made that I had created in TFS Beta 2 to test out TFS. I now have TFS rc1 installed(and Beta 2 uninstalled) and am trying to add my Solution to TFS. I get an error saying that it is already bound to my old TFS, which was on a different system then this one. Strangely, when I go into Source Control and look at the bindings it says there aren't any. Also, I manually deleted the .vss and .vsc files and it still does it. Ideas? I looked through the numerous other SO topics related to this but unless I missed one none of them are dealing with my issue. Ideas?

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• How to improve performance

  - by Ram

  Hi, In one of mine applications I am dealing with graphics objects. I am using open source GPC library to clip/merge two shapes. To improve accuracy I am sampling (adding multiple points between two edges) existing shapes. But before displaying back the merged shape I need to remove all the points between two edges. But I am not able to find an efficient algorithm that will remove all points between two edges which has same slope with minimum CPU utilization. Currently all points are of type PointF Any pointer on this will be a great help.

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• Load JSON in Python as header character set

  - by mridang

  Hi everyone, I've always found character sets and encodings complicated to understand and here I'm faced with another problem. My apologies for any inaccuracies. I'll do my best. I'm requesting data from a server which returns JSON. In the HTTP headers it also returns the character set like so: Content-Type: text/html; charset=UTF-8 I'm using the JSON library in Python to load the JSON using the json.loads method. When I pass it the returned JSON, it gives me a dictionary in Unicode. I've Googled around and I know that JSON should return Unicode as JavaScript strings are Unicode objects. How can I load the JSON as UTF-8? I would like to use the same encoding as specified in the response header. I've read this post but it didn't help. Thank you.

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• Overriding Page class constructor in ASP.NET code-behind file -- when is it called?

  - by CSharp Noob

  If I override the System.Web.UI.Page constructor, as shown, when does DoSomething() get called in terms of the page lifecycle? I can't seem to find this documented anywhere. namespace NameSpace1 { public partial class MyClass : System.Web.UI.Page { public MyClass() { DoSomething(); } protected void Page_Load(object sender, EventArgs e) { } } } For reference, here is the ASP.NET Page Lifecycle Overview: http://msdn.microsoft.com/en-us/library/ms178472.aspx Turns out the best answer was right in the MSDN article. I just had to look carefully at the diagram.

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• NSString simple pattern matching

  - by SirRatty

  Hi all, Mac OS 10.6, Cocoa project, 10.4 compatibility required. (Please note: my knowledge of regex is quite slight) I need to parse NSStrings, for matching cases where the string contains an embedded tag, where the tag format is: [xxxx] Where xxxx are random characters. e.g. "The quick brown [foxy] fox likes sox". In the above case, I need to grab the string "foxy". (Or nil if no tag is found.) Each string will only have one tag, and the tag can appear anywhere within the string, or may not appear at all. Could someone please help with a way to do that, preferably without having to include another library such as RegexKit. Thank you for any help.

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• Parallel Programming. Boost's MPI, OpenMP, TBB, or something else?

  - by unknownthreat

  Hello, I am totally a novice in parallel programming, but I do know how to program C++. Now, I am looking around for parallel programming library. I just want to give it a try, just for fun, and right now, I found 3 APIs, but I am not sure which one should I stick with. Right now, I see Boost's MPI, OpenMP and TBB. For anyone who have experienced with any of these 3 API (or any other parallelism API), could you please tell me the difference between these? Are there any factor to consider, like AMD or Intel architecture?

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• What VS Projecttype for Model and Database?

  - by Tim

  Hello folks, i've just started a new asp.net project which could increase fastly(a small erp-system for our company). So i thought it would be a good idea to split at least the model from the view/controller(the asp.net project). Because it could be that i need to access some classes and the database from a windows app in future, i dicided to put the Model into its own Project. What Visual Studio 2005 Professional Projecttype is most suitable for this requirement and why? SqlServerProject (DB is MS Sql Server 2005 EP) Class Library Web Service Application Database project no separate Project/other(keep in mind VS 2005 has no ASP.NET MVC-Project) Thanks

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• Using Excel To Read Access Without MS Access On Computer

  - by Tom Clark

  I have written code that joins two table in access, using criteria supplied from drop down lists in excel and then returns the data to a specific location on the spreadsheet (titles already on the sheet). This works fine on my box and others with MS Access on the machine, but the purpose of writing this was to give people (associates) that dont have the MS Access on their machines (which is most of them) to be able to do simple queries to the database. When we try to run this on a machine without MS Access, we are getting the error message "Compile Error: Cant find project or library." Since this works fine on any machine so far that has Access, but not the others I am wondering if this is not possible without the actual Access software. Any help or insight would be appreciated. Tom

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• How do I fix "error 1004, 0, Unable to find property" in an Entity Framework 4 WinForms application?

  - by Ivan

  I've designed an EF4 model (quite complex inheritance, lots of small tables incl. multiple self-referencing), generated (table-per-type) a database and inserted some basic data manually. It works fine in an ASP.Net Dynamic Data Entities web application with full automatic scaffolding. But when in a WinForms application using the same model (I share it as a part of a class library) I construct a query and bind a combo box to it (the way it's shown here), I get an InnerException {"Internal .NET Framework Data Provider error 1004, 0, Unable to find property... I've found a question about the same problem here (incl. a sample to reproduce the error) but no answer. I use final Visual Studio 2010, no beta.

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• Windows Sharepoint Service (WSS) 3.0 search Issue

  - by dewacorp.alliances

  Based on this http://servergrrl.blogspot.com/2008/02/how-to-use-wss-30-to-search-more-than.html blog, I've created a domain account for testing and sets the permission at the side level as well as Document Library to allow specific user (DOMAIN/TestUser1) allow accessing this folder. Now, it's interesting that the user can see the document by drilling though BUT it won't be able to search and the document couldn't find it. But if I tested with the site owner (both primary and secondary), it works nicely. What did I do wrong then? It must be related on permission but I cound't work out what it is. BTW ... I am using WSS not MOSS 2007. Thanks

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• EF4 - What's all the hype over objectsets?

  - by Kohan

  I am an intermediate user of EF in .net 3.5 and have recently moved to working with .net 4. One think i keep coming across when reading various tutorials is the use of ObjectSets instead of ObjectQuerys and that they are a great new feature. What is so great about them? Reading this MSDN article titled "Working with ObjectSet (Entity Framework)" It shows two examples for on how to add a Product.. one for 3.5 and another for 4.0. http://msdn.microsoft.com/en-us/library/ee473442.aspx Though my lack of knowledge I am possibly bringing up a seperate point here, but i never added a Product like this: //In .NET Framework 3.5 SP1, use the following code: using (AdventureWorksEntities context = new AdventureWorksEntities()) { // Add the new object to the context. context.AddObject("Products", newProduct); } I would have just used context.AddToProducts(newProduct); Please enlighten me. Kind regards, Kohan

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• What's all the hype over objectsets in Entity Framework 4?

  - by Kohan

  I am an intermediate user of EF in .net 3.5 and have recently moved to working with .net 4. One thing i keep coming across when reading various tutorials is the use of ObjectSets instead of ObjectQuerys and that they are a great new feature. What is so great about them? Reading this MSDN article titled "Working with ObjectSet (Entity Framework)" It shows two examples on how to add a Product.. one for 3.5 and another for 4.0. http://msdn.microsoft.com/en-us/library/ee473442.aspx Through my lack of knowledge I am possibly bringing up a seperate point here, but i never added a Product like this: //In .NET Framework 3.5 SP1, use the following code: using (AdventureWorksEntities context = new AdventureWorksEntities()) { // Add the new object to the context. context.AddObject("Products", newProduct); } I would have just used context.AddToProducts(newProduct); Please enlighten me. Kind regards, Kohan

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• HTTP authentication and filesend in C

  - by sfactor

  i have some parsed data in two files. i need to send these to a webserver of a website. i also need to be logged into the webserver first. i am new to this web interaction thing. i just need to know how might i go about doing this. i am learning the libcurl library so i guess in can send standard HTTP POST messages. i will make a simple webserver to test it myself. can anyone tell me what kind of interaction is needed. by that i mean how do i send the username and password information, know that i am logged in and then be send the files. may be some examples of Form Posts which i believe is what i shud be doing right now.

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• How do I set sys.excepthook to invoke pdb globally in python?

  - by saffsd

  From Python docs: sys.excepthook(type, value, traceback)¶ This function prints out a given traceback and exception to sys.stderr. When an exception is raised and uncaught, the interpreter calls sys.excepthook with three arguments, the exception class, exception instance, and a traceback object. In an interactive session this happens just before control is returned to the prompt; in a Python program this happens just before the program exits. The handling of such top-level exceptions can be customized by assigning another three-argument function to sys.excepthook. http://docs.python.org/library/sys.html How do I modify this globally so the default action is to always invoke pdb? Is there a configuration file I can change? I don't want to wrap my code to do this.

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• [C#] How to consume web service adheres to the Event-based Asynchronous Pattern?

  - by codemonkie

  I am following the example from http://msdn.microsoft.com/en-us/library/8wy069k1.aspx to consume a web service implemented (by 3rd party) using the Event-based Asynchronous Pattern. However, my program needs to do multiple calls to the DoStuffAsync() hence will get back as many DoStuffCompleted. I chose the overload which takes an extra parameter - Object userState to distinguish them. My first question is: Is it valid to cast a GUID to Object as below, where GUID is used to generate unique taskID? Object userState = Guid.NewGuid(); Secondly, do I need to spawn off a new thread for each DoStuffAsync() call, since I am calling it multiple times? Also, would be nice to have some online examples or tutorials on this subject. (I've been googling for it the whole day and didn't get much back) Many thanks

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• xCode 3.2.1 Alien Leak

  - by Mark

  Used code in entire project: - (void)applicationDidFinishLaunching:(UIApplication *)application { UITabBarController *tb = [[UITabBarController alloc] initWithNibName:nil bundle:nil]; [window addSubview:tb.view]; [tb release]; [window setBackgroundColor:[UIColor blackColor]]; [window makeKeyAndVisible]; } When the UITabBarController is added to the window view the following leak is detected bij Instruments: Leaked Object: Malloc 128 Bytes Address : 0x391ee70 Size : 128 Bytes Responsible Library : CoreGraphics Responsible Frame : open_handle_to_dylib_path This same issue occurs with UINavigationController, but does not appear with UIViewController. Specs: Mac OS X 10.6.2 xCode 3.2.1 Instruments 2.0.1 Compiled for iPhone Simulator 3.1.3 | Debug

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• What libraries are available for manipulating super large images in .Net

  - by tpower

  I have some really large files for example 320 MB tif file with 14000 X 9000 pixels. The operations I need to perform are basically scaling the images to get smaller versions of it and breaking the image into tiles. My code works fine with small files and I use the .Net Bitmap objects but I will occasionally get Out of Memory exceptions for larger files. I've tried using the FreeImage libraries FreeImageBitmap but have the same problems. I'm using something like the following to scale the image: using (Graphics g = Graphics.FromImage((Image)result)) { g.DrawImage( source, xOffset, yOffset, source.Width * scale, source.Height * scale ); } Ideally I'd like a third party library to do all the hardwork, but if you have any tips or resources with more information I would appreciate it.

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• With wordpress, is there a statement like current_user_can except show something if a user does not

  - by zac

  I am trying to show a custom css depending on user permissions with a function like : <?php if ( !current_user_can( 'install_themes' ) ) { ?> <link media="all" type="text/css" href="<?php bloginfo( 'template_directory' ); ?>/library/styles/customAdmin.css" rel="stylesheet"> <?php } Perhaps I am being dense about this but I want to do the reverse and show specific CSS if a user can not, in this case, install_themes. I am doing it this way because the css hides parts of the admin area that I do not want hidden globally. I could probably do this with liberal use of !important in my style sheetsbut I was hoping there was an easier way to write this in the function. Or is there a way to write <?php if ( current_user_can('level_7') ) : ?> with something like if < level_7 ?

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• Programming with midi, and tuning notes to specific frequencies

  - by froggie0106

  I am working on a project in which I need to be able to generate midi notes of varying frequencies with as much accuracy as possible. I originally tried to write my program in Java, but it turns out that the sound.midi package does not support changing the tunings of notes unless the frequencies are Equal Tempered frequencies (or at least it didn't in 1.4, and I haven't been able to find evidence that this has been fixed in recent versions). I have been trying to find a more appropriate language/library to accomplish this task, but since this is my first time programming with MIDI and my need for specific tuning functionality is essential, I have been having considerable trouble finding exactly what I need. I am looking for advice from people who have experience writing MIDI programs as to what languages are useful, especially for tuning notes to specific frequencies. Any links to websites with API docs and example code would also be extremely helpful.

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• Zend Framework Error:Invalid parameter number: no parameters were bound'

  - by roast_soul

  I'm using the Zend Frameworker 1.12. According to the help file, I used the Zend_Db_Statement to execute my sql. Below is my php code: $sql = "delete from options where id=?"; $stmt = new Zend_Db_Statement_Mysqli($this->getAdapter(), $sql); return $stmt->execute(array('1')); But the error is exception 'PDOException' with message 'SQLSTATE[HY093]: Invalid parameter number: no parameters were bound' in D:\Zend\workspaces\DefaultWorkspace.metadata.plugins\org.zend.php.framework.resource\resources\ZendFramework-1\library\Zend\Db\Statement\Mysqli.php:209 Stack trace: ......... ......... I googled for days, but nothing works. Any one know how to fix it?

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• Xcode5 post-archive script for Sparkle package no longer works

  - by Flyingdiver

  Xcode 5 seems to have changed the way it stores the build application package (xxx.app) such that ditto no longer works. In the ../BuildProductsPath/Release/ directory, the app is actually a symlink to .../InstallationBuildProductsLocation/Applications/... MyApp.app - ~/Library/Developer/Xcode/DerivedData/MyApp-emwilkqhlayanxahjpexlpbbkato/Build/Intermediates/ArchiveIntermediates/MyApp/InstallationBuildProductsLocation/Applications/MyApp This breaks the ditto command I was using to create a zip file of the application to put on my Sparkle update server. Anyone have an updated script for building the Sparkle XML and ZIP files? Or know what environment variable I need to use to locate my actual binary after the Archive phase?

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• C# Excel Exception

  - by Andrew James Watt

  I am trying to copy all data from worksheet1 and paste the values into worksheet2 at the same position I am using office 2003 and the Interlop library. Here is my code; public void CreateExcelWorksheet() { Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application(); if (xlApp == null) { Console.WriteLine("EXCEL could not be started. Check that your office installation."); return; } xlApp.Visible = true; Workbook wb = xlApp.Workbooks.OpenXML(@"C:\XML_Export.xml", Type.Missing, 2); Worksheet worksheet1 = wb.Worksheets[1] as Worksheet; Worksheet worksheet2 = wb.Worksheets[2] as Worksheet; worksheet1.UsedRange.Copy(Type.Missing); worksheet2.PasteSpecial(Microsoft.Office.Interop.Excel.XlPasteType.xlPasteValues, false, false, Type.Missing, Type.Missing, Type.Missing, Type.Missing); } For some reason after the paste command the following exception occurs: Exception from HRESULT: 0x800A03EC Could anyone help?

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• atlbase.h not found when using Visual C++ Express 2010

  - by hcwang

  So I tried moving my project to Visual C++ Express 2010 on Windows 7 from a previous version on Windows XP. I got all sorts of errors where atlbase.h was not found. This isn't so much a question but I wanted to document what my resolution was for others. Copied the following PlatformSDK files from my previous install and put them on my Windows 7 machine. PlatformSDK/include/atl PlatformSDK/include/mfc PlatformSDK/lib PlatformSDK/src/atl I then change the VC++ Directories in the project Properties to point to those directories. Include Directories- *include/atl *include/mfc Library Directories- *lib Source Directories- *src/atl Make a change to stdafx.h right after this line: #include "atlbase.h" add this line: extern CComModule _Module; Hopefully you're ready to go now! Probably not but perhaps you are well on your way.

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• How to configure rime style in ICEfaces 3

  - by fresh_dev

  in icefaces 2 i was configuring rime style as follows: <h:head> <link href="./xmlhttp/css/xp/xp.css" rel="stylesheet" type="text/css"/> </h:head> <h:body styleClass="ice-skin-rime"> </h:body> <h:outputStylesheet library="org.icefaces.component.skins" name="rime.css" /> and i was wondering how to configure it in icefaces 3 because i tried the following and it doesn't work <context-param> <param-name>org.icefaces.ace.theme</param-name> <param-value>rime</param-value> </context-param> please advise thanks.

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