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• Sharing Code, Images and Core Data models across iPhone and Mac project

  - by Robert

  Hi, I am maintaining a fairly large mac project and an iphone client for this project. Some code as well as some images and core data models are shared between these two projects. I want to create a shared framework containing this shared components but to my surprise, frameworks like we cocoa developers known them are not supported on the iphone os. Currently I see the following options: a) Include the files in both projects (much tedious work) b) Create a static library for both projects and manually copying the images/core data models c) Create a static lib for iphone and a framework for mac Any suggestions?

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• Unable to link to opengl libraries? DOS / MSVC

  - by Mark

  Is there something wrong with this link.exe command line? OpenGL32.lib and Glu32.lib are found at both of the LIBPATH directories. Is it possible the libraries are somehow incompatible? Is there a way to have the link.exe say that instead of unresolved external symbol? Googling shows that this error usually means the libraries are not found, but they are there. E:\mvs90\VC\BIN\link.exe /DLL /nologo /INCREMENTAL:no /DEBUG /pdb:None /LIBPATH:E:\code\python\python\py26\libs /LIBPATH:E:\code\python\python\py26\PCbuild opengl32.lib glu32.lib /EXPORT:init_rabbyt build\temp.win32-2.6-pydebug\Debug\rabbyt/rabbyt._rabbyt.obj /OUT:build\lib.win32-2.6-pydebug\rabbyt\_rabbyt_d.pyd /IMPLIB:build\temp.win32-2.6-pydebug\Debug\rabbyt\_rabbyt_d.lib /MANIFESTFILE:build\temp.win32-2.6-pydebug\Debug\rabbyt\_rabbyt_d.pyd.manifest Creating library build\temp.win32-2.6-pydebug\Debug\rabbyt\_rabbyt_d.lib and object build\temp.win32-2.6-pydebug\Debug\rabbyt\_rabbyt_d.exp rabbyt._rabbyt.obj : error LNK2019: unresolved external symbol __imp__glOrtho re ferenced in function ___pyx_f_6rabbyt_7_rabbyt_set_viewport Directory of E:\code\python\python\py26\libs 09/27/2007 02:20 PM 12,672 GlU32.Lib 09/27/2007 02:20 PM 76,924 OpenGL32.Lib

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• Data Visualization Prototype (Java/Eclipse/DAO/Relational DB)

  - by Vince

  Hello, I am building a prototype application which displays various 2D & 3D data charts. I am using a third party library for the charts, the database and data extraction layer have already been coded. Can you advise on a good desktop Framework to use within Eclipse to provide a 'professional' looking GUI with minimum coding required (This is just a prototype). Further can anyone advise an effective method to port this application to a web server so users could access remotely? I have limited experience with GWT, are their more suitable alternatives? Many Thanks

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• Several different project types in solution use same class. Where can I place this class?

  - by user3605366

  I have one solution with 3 related projects: 1) a Windows console app that reads data and stores it to a mssql DB, 2) WCF service that will retrieve from mssql data, 3) website that will read from the WCF. There could be other projects in the future. The first two projects (and any related future projects) use a Sqlhelper class. Should I create a separate project for it? The most ideal one would be a class library, but I don't know if a WCF invoking a DLL is correct. Any help is appreciated. Thanks.

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• Is the use of union in this matrix class completely safe?

  - by identitycrisisuk

  Unions aren't something I've used that often and after looking at a few other questions on them here it seems like there is almost always some kind of caveat where they might not work. Eg. structs possibly having unexpected padding or endian differences. Came across this in a math library I'm using though and I wondered if it is a totally safe usage. I assume that multidimensional arrays don't have any extra padding and since the type is the same for both definitions they are guaranteed to take up exactly the same amount of memory? template<typename T> class Matrix44T { ... union { T M[16]; T m[4][4]; } m; }; Are there any downsides to this setup? Would the order of definition make any difference to how this works?

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• Getting lpfnAcceptEx (accpetex) to block in native C++

  - by Alikar

  Hello, I've been trying to get the lpfnAcceptEX function in Win32 to block on accept. If this is not possible I was wondering if there was a flag I could accpet or some other function that I could wait on. Right now the program is simply continually creating accepted sockets with no connections behind them. Perhaps I am misunderstanding how this is to work. Is there another function I need to wait on? I am following the example laid out here: http://msdn.microsoft.com/en-us/library/ms737524(VS.85).aspx Thanks, = Alikar

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• Visually [Diagrams/movies] Display events and states of System using old logs of Application to trac

  - by singh

  Hi In My Application many process runs. Having multiple threads in each process. Whenever any bug comes, I have to analyze thousands of lines of logs to know exact root-cause. I am thinking of an idea, Please guide me if it is feasible and good enough Each log have Process name , Thread id , and Time stamp along with message. If I can create a intelligence to capture what is happing with time and display in a movie which user can view it like a normal video. Forward – backward etc. It will help to reach root cause fast and bug tracing will become easy. Please guide me on library in c++ using which I can draw diagrams and display as movie

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• Enum : get the keys list

  - by Damien MATHIEU

  Hello, I'm not a java developer. But I'm currently taking a look at Android applications development so I'm doing a bit of nostalgy, doing some java again after not touching it for three years. I'm looking forward using the "google-api-translate-java" library. In which there is a Language class. It's an enum allowing to provide the language name and to get it's value for Google Translate. I can easily get all the values with : for (Language l : values()) { // Here I loop on one value } But what I'd want to get is a list of all the keys names (FRENCH, ENGLISH, ...). Is there something like a "keys()" method that'd allow me to loop through all the enum's keys ?

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• Pass structured data from C++ app to ASP.NET web service.

  - by Odrade

  I have Visual C++ application that needs to communicate with a ASP.NET web service. Specifically, the app needs to pass structured data (e.g. objects that contain lists of structures, etc) as a parameter to one of the service methods. The C++ application is already generating an xml document that contains this data. The document is generating using an xml library, so it should always well-formed. What is a good method for passing this data to the web service? I'm thinking about passing the document to the web service as a string parameter, then deserializing to a .NET object based on an xsd. But, I hear that passing an xml doc as a string parameter is not recommended. So, my questions: What are the pitfalls associated with sending the document as a string parameter, assuming that the document itself is always well-formed? Assuming the above is a bad idea, what are some good alternate approaches?

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• Avoid stuck calling callback

  - by andlomba

  Hello all, This is a question about generic c++ event driven applications design. Lets assume that we have two threads, a "Dispatcher" (or "Engine"...) and a "Listener" (or "Client"...). Let's assume that I write the Dispatcher code, and release it as a library. I also write the Listener interface, of course. When the Dispatcher executes (after Listener registration) listenerInstance.onSomeEvent(); the event handling code will actually be executed by the Dispatcher thread, so if the person that implements the Listener writes something like void Listener::onSomeEvent() { while(true) ; } The Dispatcher will stuck forever. Is there a "plain old c++" (I mean no boost or libsigc++) way to "decouple" the two classes, so I can be sure that my Dispatcher will work fine whatever the Listeners does in the callbacks? bye and thanks in advance, Andrea

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• Inheriting and overriding interfaces in C#

  - by Daniel A. White

  Please note: I am writing this question. I have these interfaces in a library/framework I am working on: interface IRepository<TKey,TModel> { void Remove(TModel entity); } interface IRepository<T> : IRepository<int, T> { } interface ISoftDeleteRepository<TKey,TModel> : IRepository<TKey, TModel> { } interface ISoftDeleteRepository<TModel> : ISoftDeleteRepository<int, TModel>, IRepository<TModel> { } and these implementations class Repository : IRepository { void Remove(TModel entity) { // actually Delete } } interface IRepository<T> : IRepository<int, T> { } interface ISoftDeleteRepository<TKey,TModel> : IRepository<TKey, TModel> { } interface ISoftDeleteRepository<TModel> : ISoftDeleteRepository<int, TModel>, IRepository<TModel> { }

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• What is the universal way to use file I/O API with unicode filenames?

  - by dma_k

  In Windows there is a common problem: the filenames should be converted to local codepage, before they are passed to open(). Of course, there is a possibility to use Win32::API for that, but I don't want my script to be platform-dependent. At the moment I have to write something like: open IN, "<", encode("cp1251", $filename) or die $!; but is there any library, that hides these details? I think the local codepage can be automatically detected, so I just want to pass unicode filename and forget about the details. Why is it still not in the box?

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• how to call a php class function directly using ajax?

  - by payling

  Is it possible to call a php class function DIRECTLY using ajax? Something like below... except ajax... myclass::myfunction(); I've been using the jquery library to work with AJAX. $.get('control.php', {func: funcName, arg1: arg1}); The above is similar to what I'm trying to achieve MINUS the control.php; I'm not sure if this is even possible, but I just thought it would be nice to skip the landing page (control.php) that recieves the funcName. I have a bunch of conditional statements that sort out what class function to run based on the funcName recieved. It seems kind of silly to do this, to have a separate page just to handle function calls. Is there a better way?

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• ask. help me to compare two array of integers and the order does not matter.

  - by stdnoit

  [Example] <1 2 3 4 = <3 1 2 4 <1 2 3 4 != <3 4 1 1 and ummm it is in java. cant use hashmap table or anything just pure without library. I know there are two ways. 1. sort them and compare the array index by index 2. use two for loops and compare the outer index with the inner index. ( i have been trying with this but still not working) for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(a[i] != a[j] && j == n) return false; } } return true; anything wrong with the code ? thanks

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• Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in

  - by alundra00

  hi i am new to php and now i having problem with login Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in... Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in.... coding php: <?php include ("config/koneksi.php"); include ("config/library.php"); $pass = md5($_POST['password']); $login = mysql_query("SELECT * FROM user WHERE id_user='$_POST[username]' AND sesi='$pass'"); $found = mysql_num_rows($login); //error $r = mysql_fetch_array($login); //error if ($r){ session_start(); session_register("username"); session_register("sesi"); session_register("role"); $_SESSION[username] = $r[id_user]; $_SESSION[sesi] = $r[sesi]; $_SESSION[role]= $r[role]; header ('location:home.php'); }

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• Handling the distinction between undefined- and null-parameters in JavaScript

  - by Jakob

  I know very well that null and undefined are distinct in JavaScript. However, I can't seem to decide whether or not use that fact when my own functions are passed one of those as its argument. Or, expressed in a different way, should myFoo(undefined) return the same thing as myFoo(null) or is everything fine if it doesn't? Or, in yet another case, since myBar(1, 2, 3) is the same thing as myBar(1, 2, 3, undefined, undefined), should myBar(1, 2, 3, null, null) return the same thing as myBar(1, 2, 3)? I feel that there's potential for confusion in both cases and that a library should probably follow a convention when handling null/undefined. I'm not really asking for personal opinions (so please express those as comments rather than answers). I'm asking if anyone knows if there is a best practice that one should stick to when it comes to handling this distinction. References to external sources are very welcome!

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• Get detailed information on FileSystemEventArgs.ChangeType

  - by case23

  I using the FileWatcher Class to locate changes on Files in a specific Folder. I managed to detect Changes on Files but not detailed Information. On the WatcherChangeTypes Enumeration Page http://msdn.microsoft.com/en-us/library/t6xf43e0%28v=VS.100%29.aspx they write the Change Type detects the changes include: changes to size, attributes, security settings, last write, and last access time. Is there a way to detect which kind of change happened? Thats the Event handler method i use. private void OnChanged(object source, FileSystemEventArgs e) { Console.WriteLine("File: " + e.FullPath + " Change Type: " + e.ChangeType); } Thank you in advance Case

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• iPhone using Camera causes array to be unloaded

  - by Aaron Dale

  I have an array of images that I'm displaying in a UITableView. When choosing images from the library using the UIImagePicker, everything is totally fine and I can add a lot of images to the array. As soon as I add an image from the camera using the Picker I receive a memory warning and my array of images is ditched. Coming back from the camera picker, the table view is empty. The UIImagePicker when using the camera as the source generates a memory warning before I have a chance to resize the image.

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• Portable Contacts for PHP?

  - by Felix

  I can see Google is implementing the Portable Contacts API for developers to fetch a user's contacts. That seems like exactly what I want to do and I especially like the fact that the protocol is open and through it I can support more than just Google. What I'd like to know is whether there is a library for PHP that implements this protocol, as I don't feel like writing one from scratch / reinventing the wheel. I wouldn't generally post such questions which could be answered by simply googling, but I've done my googling on the subject and can't seem to find any relevant info. BTW, I don't use Zend, so please don't suggest that to me, unless it's the only way possible.

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• How do I reload servlet classes without restarting my web application?

  - by Ramon

  I want to reload just my web layer classes without reloading my service layer classes (which take longer to initialize and change less frequently). There are no references from my service layer into the web layer and I can create a whole new instance of the web layer without problems. I can conceive of a solution involving complicated class-loader tricks to isolate the web layer in its own class-loader and I think this is probably the only way to do this so what I'm asking is, is there a library out there which does this? I know about JavaRebel - I don't need that much power and I'm really looking for a more lightweight free solution.

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• Zend Studio 7.1 PHPUnit Test Case wizard does not populate "Element to Test"

  - by Mike

  When I follow the instructions in ZS documentation to create a phpunit test case, the wizard returns no objects to select on the "Element to Test" line. Selecting "browse" provides an empty dialog box. The PHPUnit path in my preferences shows "/Applications/zend/zs710/plugins/com.zend.php.phpunit_7.1.0.v20091120-0900/resources/library/". What else can I check to see why I cannot create a test case? I'm new to ZS and PHP, so I have no idea how to troubleshoot this. Thanks.

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• Processing SMTP bounces with .net

  - by justSteve

  Am looking for examples specific to .net/mvc and servers native WinServer08 where problem being addressed is processing a bounced smtp msg so as to bind to an estore transaction and updating account/profile properties. Reading the related questions i find an interesting reference to [VERP]2. Under the heading 'Software that supports VERP i find that IIS is not on the list. Does that mean i need to find a library to integrate into my store's assembly? What resources do I have to pull together to make sure that the webapp is informed when mail bounces? fwiw - i'm working with a very low volume site.

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• Should the name of my classes begin with 'Q' in Qt?

  - by Venemo

  Hello Everyone, When I first started working with Qt, it was extremely annoying that every class has a name beginning with 'Q', but now I've got used to it. I'm using Qt Creator, and it highlights code quite well. However, it only highlights class names beginning with 'Q'. And it highlights everything beginning with 'Q' even if there is no such type. It doesn't highlight custom class names. That makes me wonder, should I also begin all my class names with 'Q'? Or at least the reusable ones? (I mean, those that I put in a class library, or reuse in another app.) I've seen several places where they named their classes this way. Is it a good thing? I found this page about Qt's naming conventions, but it doesn't deal with this question. Also, I don't understand why Qt doesn't use namespaces.

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• How to Optimize Combined Graphical Operations?

  - by Sunny

  Hi, Here is a Scenario, A series of operations that I will call for painting, QPainter p(this); 1). p.fillRect(0,0,320,240, RED_COLOR) 2) p.drawLine(0,0,100,100, BLUE_COLOR) 3) p.fillRect(0,0,320,240, YELLOW_COLOR) Now I want that painter should not draw first FillRect Function. It should not draw line. It should only perform last operation. Is there any way to achive this optimization in Qt. Is this type of drawing/painting optimizations are supported by any library?

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• Adding text labels to sliders in iPhone Settings application

  - by Kevin L.

  When configuring a Settings.bundle as part of an iPhone application bundle, it's trivial to add minimum and maximum value images to sliders (PSSliderSpecifier), but not simple maximum and minimum text labels. http://developer.apple.com/iPhone/library/documentation/PreferenceSettings/Conceptual/SettingsApplicationSchemaReference/Articles/PSSliderSpecifier.html iPhone gurus: Is anyone aware of a simple means to apply text labels to these sliders for use within the Settings application (therefore, no slider subclassing shenanigans; it all has to be done via a plist)? I suppose I could just use an image of the label but...ew. Bonus points if there's a way to show the current value of a slider in some sort of number format.

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