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• MSVC 2008 - Unresolved External errors with LIB but only with DLL, not with EXE project

  - by Robert Oschler

  I have a DLL that I am trying to link with a libjpeg LIB using MSVC 2008 that is generating Unresolved External Symbol errors for the libjpeg functions. I also have a test project that links with the exact same libjpeg library file and links without error and runs fine too. I have triple-checked my LIB path and dependent LIBS list settings and literally copy and pasted them from the EXE project to the DLL project. I still get the errors. I do have the libjpeg include headers surrounded by extern "C" so it is not a name mangling issue and the unresolved external warnings show the "missing" libjpeg functions as undecorated (just a leading underscore and the @ sign parameter byte count suffix after each name). What could make the linker with the DLL project be unable to find the functions properly when the test EXE project has no trouble at all? I'm using the pre-compiled 32-bit static multi-threaded debug library which I downloaded from ClanLib. Thanks, Robert

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• Open source license for test code

  - by Gary

  I'm creating a project to house an iPhone library for common code for the iPhone... essentially it's a library that'll save people from finding solutions to common problems that amount to copying and pasting snippets of code. The site is located here: http://code.google.com/p/devkit-bb/ I licensed it under Eclipse, because fosters the extension of the library without requiring constraints like LGPL on object files being provided/made available, which would be the case since everything is statically linked. What I'm wondering is how/what license to apply to the unit tests? Since they essentially demonstrate how to use various interfaces and components. Thus they're designed for potential copy and paste situations, and I don't want people who might end up using this as part of the building blocks of their environment to feel like the license would prohibit that "derivative work", ie. their application or game.

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• How can I differentiate between the .net WebBrowser component and an actual browser?

  - by Septih

  OK, so we have an online downloads store accessed via our software. Recently we've had requests to allow downloads via normal browsers and it's fairly easy just to slap a download page on. The problem is that it would be confusing to people having two download links, one for the software and one for their web browser, so we want to differentiate between the two and only show the relevant download link. From what I've gathered, the .net WebBrowser component is the same as IE and uses the same User Agent, so we can't use that unless we subclass the WebBrowser in the software to make it use a specific User Agent. It's the more sensible option, but we'd have to roll out another updated version, which is less than ideal. Are there any other ways to tell if someone's accessing a site via the .net component? My only other alternative is to copy the store to a different address with the different download links and send people there. Again this is doable, but not ideal.

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• Loading a image and copying the metadata of a jpeg image.

  - by Ravi shankar

  I am trying to load a jpeg image and trying to copy metadata to new image, but the new image is created with out any metadata. Can some one help me out in solving above problem. I am using C++ CLI 3.5. if (System::IO::Stream ^jpegStreamIn = File::Open(FileMyPictures, FileMode::Open, FileAccess::ReadWrite, FileShare::None)) { decoder = gcnew System::Windows::Media::Imaging::JpegBitmapDecoder(jpegStreamIn, System::Windows::Media::Imaging::BitmapCreateOptions::PreservePixelFormat, System::Windows::Media::Imaging::BitmapCacheOption::OnLoad); jpegStreamIn->Close(); } bitmapFrame = decoder->Frames[0]; metadata = (System::Windows::Media::Imaging::BitmapMetadata^)bitmapFrame->Metadata;

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• Eclipse JDT API documentation, preferrably CHM format

  - by MasterPeter

  I am going to need to do some development with Eclipse JDT while on holiday. I will be off-line for the most of the time and therefore I will not be able to access the Eclipse JDT API documentation on the Web. I can't find a link to download the documentation in ZIP or PDF or, best of all, CHM format. Does anyone have a copy? Could you please provide a download link to it? Do you think I should use HTTRack to simply mirror the above-mentioned website? I would really rather not. CHM is rather convenient for exploring any kind of API documentation. Anyone differs in opinion?

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• Horizontal "tab"ish scroll between views

  - by Steve Pomeroy

  I'm interested in creating a horizontal scroll view that "snaps" to the viewed item, so only one item is ever shown at a time. The user can touch-drag left/right and will see previous/next views, switching to it if there's enough velocity. This interaction is exactly like what the new weather/news widget that comes with the Nexus One does for navigating between its "tabs". Are there any existing view widgets that do this? Update: found a copy of the news/weather widget (GenieWidget) and they seem to have implemented their own widget to accomplish this which they call com.google.android.apps.genie.geniewidget.ui.FlingableLinearLayout which is part of their own custom com.google.android.apps.genie.geniewidget.ui.TabView. As that source isn't available, that's not looking too hopeful a direction.

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• why licenced code is packed and then is reviewable using Disassembler at the same time ?

  - by Asad Butt

  Is it legal / ethical to copy code for any reason, or utilize it (like code review) from the .Net framework or any other .Net based API using Reflector or similar tools ? If it is, what advantages do Microsoft and other licence based softwares have for packing there code ? If it is not, Why can we use ILDasm and Reflector ? Another way of saying this is Why to pack it up if it is fine to review it ? probably I am missing some bits in the question, any one who feels, could ask this question in a better way, is most welcome to edit. Thanks

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• Why can't WordPress create directories when uploading themes?

  - by Arman

  I can't workout how to solve this problem so wordpress would let me upload themes. I have a fresh copy of Fedora 17 installed on my dev machine. I then installed mysql using: yum install mysql mysql-server. Next I installed WordPress which also installs apache and php: yum install wordpress I can go to http://localhost/wordpress and see WordPress working. But when I try tried to install my theme it asked for ftp credentials. I then updated the wp-config.php file and set the FS_METHOD constant to direct. Now it doesn't ask for ftp credentials but it gives me this error: Could not create directory. /usr/share/wordpress/wp-content/themes/my-theme-name/ httpd service is running under 'apache' user and 'apache' group. The /usr/share/wordpress/ directory is recursively own by 'apache' user and 'apache' group too. I've even set the permissions to 777 (also recursively) and even then I keep getting the same error as above. How can I solve this problem?

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• Is there any way to automatically break into debugger when my class library functions are getting ca

  - by mishal153

  I have a managed class library (say mylib.dll) and a 3rd party managed app (say app.exe) which is using mylib.dll. I have the code of mylib.dll but not of the app.exe. So currently what i do is i build mylib.dll, copy it to app.exe's directory, start app.exe and attach to the process. That way if i put breakpoints in code mylib.dll , i see them being hit. But is there anyway to automatically break in code of mylib.dll whenever any external application calls one of its exposed methods ? ie. Only for entrypoints of the dll. thanks, Mishal

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• i386-mingw32-g++: error trying to exec 'cc1plus': execvp: No such file or directory

  - by Cathy

  If I compile this QT c++ program in SuSE Linux include using namespace std; int main () { cout << "Hello World!"; return 0; When I type i386-mingw32-g++ helloworld.cpp I get the following error i386-mingw32-g++: error trying to exec 'cc1plus': execvp: No such file or directory Is this because MinGW package which i installed contains only gcc in it.. hence i downloaded gcc-g++-3.4.5.rpm package and just copy pasted i386-mingw32-g++ and cc1plus executable along with C++ include files. Pls reply. Thanking You

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• How create widget with clickable text in QT/PyQt?

  - by serge

  Hi everyone, i'm trying to realize non-editable QTableView with widgets in cells that should contain clickable listed text. With following code i'm setting widget in definite cell: view = QTableView() label = QLabel( <some html text> ) ... view.setIndexWidget(index, label) I used html to make label's text clickable, but links became blue with underline and moreover by clicking on it with right mouse button appears popup menu with "Copy Link Locaion" option, where i wanted to place some hidden information instead of url and of course do not let user see this info. I'm looking for light-weight widget, i thought that insertion of QGraphicsView in each cell will lead to big computer loads, but can't think of any other solution. Can you advice what should i use for this purpose? Thank you in advance Serge

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• Visual Studio .NET 2003 - Ignore Specific Library for libcmt vs libcmtd

  - by tefd

  Hi, I have a template VS .NET 2003 project, which colleagues copy and customise when developing their software. It appears the template was altered a while back to set the IgnoreSpecificLibrary property to have libcmt.lib for both release and debug builds (i.e. for both release and debug, the build should ignore libcmt.lib in the linker). Some projects based on this have since been built, with the release build pulling in libcmtd.lib (evident by looking through the project .map file) which appears to have caused some runtime issues (i.e. a dialog window being flashed up as though a breakpoint had been set). Does setting IgnoreSpecificLibrary to exclude libcmt.lib automatically make the project link against libcmtd.lib? What is weird is that building the template (with the incorrect setting) links against libcmt.lib whereas some of the customised projects (though not all) link against libcmtd.lib. Any ideas?

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• OBJ-C: Call an instance of core-plot graph from separate view controller

  - by Kevin

  I'm using a view controller i.e. ViewController:UIViewController and have another class GraphViewController:UIViewController . How do I call an instance of GraphViewController and place it into my ViewController? I am currently trying to call the plot within my ViewController directly, but I want to make the graph modular so I don't have to copy code if I use the same graph again. ViewController has methods -(void) refreshGraph; //Inhereted Methods -(NSUInteger)numberOfRecordsForPlot:(CPPlot *)plot; -(NSNumber *)numberForPlot:(CPPlot *)plot field:(NSUInteger)fieldEnum recordIndex:(NSUInteger)index; How do I move these methods to a separate class and then call it to get the same plot in my ViewController? I am sure there must be a thread on this somewhere but I can't seem to find it.

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• OCUnit testing an embedded framework

  - by d11wtq

  I've added a Unit Test target to my Xcode project but it fails to find my framework when it builds, saying: Test.octest could not be loaded because a link error occurred. It is likely that dyld cannot locate a framework framework or library that the the test bundle was linked against, possibly because the framework or library had an incorrect install path at link time. My framework (the main project target) is designed to be embedded and so has an install path of @executable_path/../Frameworks. I've marked the framework as a direct dependency of the test target and I've added it to the "Link Binary with Libraries" build phase. Additionally I've add a first step (after it's built the dependency) of "Copy Files" which simply copies the framework to the unit test bundle's Frameworks directory. Anyone got any experience on this? I'm not sure what I've missed.

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• SubWebFolder and mutliple bin folders with Website model?

  - by OutOFTouch

  Hi, I am looking for some advice on how what is the best approach to subweb folders and having mutliple bin folders in the WebSite Project model. For adding new pages at a later stage without recompiling the core files of a website and without building a full fledged Plug-in framework api. I am aware of being able to drop in the compiled dlls into the main bin folder and to just copy over the new page files to a sub folder but I am looking for a more organized file/folder approach. Here is the how it was done with WAP: Moving the Code-Behind Assemblies/DLLs to a different folder than /BIN with ASP.NET 1.1 Multiple /bin folders in ASP.NET I should also mention that I see that I can still do it the old way with the website project model by making the adjustment to the config section mentioned here but I was wondering if that has any side affects. AssemblyBinding in Web Config and XMLNS

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• I can't build C# class library by MonoDevelop on Mac OS X

  - by wataradio

  When building following simple C# class library, using System; namespace MyProject { public class MyClass { public MyClass () { } } } I encountered following error message: /Library/Frameworks/Mono.framework/Versions/2.6.4/lib/mono/2.0/Microsoft.Common.targets: Error: You must specify DestinationFolder or DestinationFiles attribute. at Microsoft.Build.Tasks.Copy.Execute () [0x00000] in <filename unknown>:0 Anyone having the same problem? Somethig I tried: This error is solved if I change my project file format "MSBuild (Visual Studio 2008)" to "MonoDevelop 1.0" (Preferences Load/Save Project file format to use when creating new projects) There is no problem when building console app project. Only library project is the problem. There is no problem on Ubuntu and SUSE My Environments: MonoDevelop 2.2.2 Mono 2.6.4 Mac OS X 10.6.3

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• Convert a byte array to a class containing a byte array in C#

  - by Mathijs

  I've got a C# function that converts a byte array to a class, given it's type: IntPtr buffer = Marshal.AllocHGlobal(rawsize); Marshal.Copy(data, 0, buffer, rawsize); object result = Marshal.PtrToStructure(buffer, type); Marshal.FreeHGlobal(buffer); I use sequential structs: [StructLayout(LayoutKind.Sequential)] public new class PacketFormat : Packet.PacketFormat { } This worked fine, until I tried to convert to a struct/class containing a byte array. [StructLayout(LayoutKind.Sequential)] public new class PacketFormat : Packet.PacketFormat { public byte header; public byte[] data = new byte[256]; } Marshal.SizeOf(type) returns 16, which is too low (should be 257) and causes Marshal.PtrToStructure to fail with the following error: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. I'm guessing that using a fixed array would be a solution, but can it also be done without having to resort to unsafe code?

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• Text encoding in HTML text fields

  - by joe

  I have a site up that has a form on it. The form POSTs to a php script which then inserts the data into my database. The page has a charset=UTF-8 attribute in the <meta> tag, and the database is setup to use UTF-8. However, when I copy and paste characters from MS Word into the field, the output is messed up. For example, the quotes in I am using "Microsoft Word" '''' become I am using “Microsoft Word†???? in the database. Anyone have any idea why this might occur?

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• unarchiveObjectWithFile retain / autorelease needed?

  - by fuzzygoat

  Just a quick memory management question if I may ... Is the code below ok, or should I be doing a retain and autorelease, I get the feeling I should. But as per the rules unarchiveObjectWithFile does not contain new, copy or alloc. -(NSMutableArray *)loadGame { if([[NSFileManager defaultManager] fileExistsAtPath:[self pathForFile:@"gameData.plist"]]) { NSMutableArray *loadedGame = [NSKeyedUnarchiver unarchiveObjectWithFile:[self pathForFile:@"gameData.plist"]]; return loadedGame; } else return nil; } or -(NSMutableArray *)loadGame { if([[NSFileManager defaultManager] fileExistsAtPath:[self pathForFile:@"gameData.plist"]]) { NSMutableArray *loadedGame = [[NSKeyedUnarchiver unarchiveObjectWithFile:[self pathForFile:@"gameData.plist"]] retain]; return [loadedGame autorelease]; } else return nil; } gary

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• Rails message: ActionView::MissingTemplate

  - by rtfminc

  I am getting an error that I cannot figure out: ActionView::MissingTemplate (Missing template cluster/delete_stuff.erb in view path app/views) <...snip trace...> Rendering rescues/layout (internal_server_error) I am "enhancing" others code and am following the convention they set up, where they have have code like: <%= render :partial => "other_stuff" %> And a file named _other_stuff.html.erb and it all works, but when I copy these little snippets, I get the above error. Any ideas? Something is going on here that I need to figure out.

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• variable in variable in batch and delayed expansion

  - by rezna

  Hi, I'm trying to use variable in variable in conjunction with delayed expansion but still no luck. SETLOCAL EnableDelayedExpansion SET ERROR_COMMAND=exit /B ^!ERRORLEVEL^! This is my last try. I want to setup an ERROR_COMMAND to be called when one of the steps in batch file crashes. The command is supposed to be: IF ERRORLEVEL 1 !ERROR_COMMAND! or IF ERRORLEVEL 1 %ERROR_COMMAND% The thing is, I'm not able to find out, how to SET properly the ERROR_COMMAND variable, so that ERRORLEVEL is not evaluated at the time of assignment, but at the time of evaluating the variable Of course I can copy&paste the code all over the batch file, but using the variable just seems a bit prettier... Anyone? Thanks, Milan

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• Best practices for large solutions in Visual Studio (2008)

  - by Eyvind

  We have a solution with around 100+ projects, most of them C#. Naturally, it takes a long time to both open and build, so I am looking for best practices for such beasts. Along the lines of questions I am hoping to get answers to, are: how do you best handle references between projects should "copy local" be on or off? should every project build to its own folder, or should they all build to the same output folder(they are all part of the same application) are solutions folders a good way of organizing stuff? I know that splitting the solution up into multiple smaller solutions is an option, but that comes with its own set of refactoring and building headaches, so perhaps we can save that for a separate thread :-)

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• How to prevent MSBUILD from copying dependent GAC assemblies to bin

  - by Matt Wrock

  I have a msbuild task that builds my solution and I am migrating it from .net 3.5 to 4.0. I have some dependent DLLs that have Local Copy set to true. The 4.0 version of msbuild is not only copying the dependent DLL (which I want), it is also copying all dependent assemblies of that DLL from the 32 bit version of the GAC to my bin. Not only do I not want these files being copied from the GAC, I especially do not want the 32 bit versions for this 64 bit build. Has the behavior changed in msbuild 4.0? And does anyone know how to force msbuild to use the behavior in 3.5?

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• Multiple synonym dictionary matches in PostgreSQL full text searching

  - by Ryan VanMiddlesworth

  I am trying to do full text searching in PostgreSQL 8.3. It worked splendidly, so I added in synonym matching (e.g. 'bob' == 'robert') using a synonym dictionary. That works great too. But I've noticed that it apparently only allows a word to have one synonym. That is, 'al' cannot be 'albert' and 'allen'. Is this correct? Is there any way to have multiple dictionary matches in a PostgreSQL synonym dictionary? For reference, here is my sample dictionary file: bob robert bobby robert al alan al albert al allen And the SQL that creates the full text search config: CREATE TEXT SEARCH DICTIONARY nickname (TEMPLATE = synonym, SYNONYMS = nickname); CREATE TEXT SEARCH CONFIGURATION dxp_name (COPY = simple); ALTER TEXT SEARCH CONFIGURATION dxp_name ALTER MAPPING FOR asciiword WITH nickname, simple; What am I doing wrong? Thanks!

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• Xcode license agreement different than Apple Developer Agreement?

  - by longpine

  The Apple Developer Agreement (on their website when signing up for a developer account) says: "Apple reserves the right, at its discretion, to modify this Agreement, including any rules and policies at any time." And also: "You agree to follow Apple's Guidelines For Using Apple Trademarks and Copyrights as published on Apple's website at www.apple.com/legal/guidelinesfor3rdparties.html ("Guidelines") and as may be modified from time to time." If I buy a Mac with OS X, it comes with Xcode, correct? In that case what does the license agreement for Xcode say? Does it contain the clauses above, or anything similar? If anyone wants to post a copy of the license agreement here, that would be helpful, but I'm not sure if copyright would allow that.

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