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• Device driver with generic communication media layer

  - by Tom

  Greetings all, I'm trying to implement driver for an embedded device with generic communication media layer. Not sure what is the best way to do it so I'm seeking an advice from more experienced stackoverflow users:). Basically we've got devices around the country communicating with our head office. Usual form of communication is over TCP/IP, but could be also using usb, RF dongle, IR, etc. The plan is to have object corresponding with each of these devices, handling the proprietary protocol on one side and requests/responses from other internal systems on the other. The thing is how create something generic in between the media and the handling objects. I had a play around with the TCP dispatcher using boost.asio but trying to create something generic seems like a nightmare :). Anybody tried to do something like that? What is the best way how to do it? Cheers, Tom

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• Brainstorming - MIDI over LAN

  - by Hunter Bridges

  I'm planning out a summer coding project for myself. I work with a lot of MIDI and have been researching it a lot. I know it's an old technology, but it works with a lot of music hardware/software so in my eyes, it's still viable. Anyway, I haven't ever worked with writing drivers or anything, so I don't know where I would start with this. So, provided I have MIDI data already being sent over LAN to a server (I know how to do that part), what steps would it take for the server to channel those received messages to an emulated MIDI device, that could then be accessed in music software and so on? Also, what would it take to also send MIDI data back through the LAN to be received by the device that originally received the message? I'm not really looking for too specific a solution. Really I am just trying to come up with a game plan right now and I need to figure out where/what to research.

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• locate the crash code from the crash log in my ip4 device

  - by lu yuan

  How could I locate the crash code from the crash log in my ip4 device? As the crashed thread 0 presents a serial frameworks and main.m, I couldn't locate the accurate code launched this crash and debug it. Any suggestion? Thanks in advance! Incident Identifier: B6BD84B7-CE0A-485D-A877-0FD0F5B75933 CrashReporter Key: b0b97a37f2a1e4911ce2ef34e1793e028463bb67 Hardware Model: iPhone3,1 Process: myApp [11615] Path: /var/mobile/Applications/28AE71F2-36CA-4A87-83D9-07DF2DFE74F1/myApp.app/myApp Identifier: myApp Version: ??? (???) Code Type: ARM (Native) Parent Process: launchd [1] Date/Time: 2012-06-09 21:12:22.792 +0800 OS Version: iPhone OS 5.1 (9B176) Report Version: 104 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000b Crashed Thread: 0 Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0 Crashed: 0 libobjc.A.dylib 0x36721f78 0x3671e000 + 16248 1 MapKit 0x34e7ace6 0x34e68000 + 77030 2 CoreFoundation 0x3525f1f4 0x35247000 + 98804 3 Foundation 0x311b6740 0x31112000 + 673600 4 CoreFoundation 0x352d4acc 0x35247000 + 580300 5 CoreFoundation 0x352d4298 0x35247000 + 578200 6 CoreFoundation 0x352d303e 0x35247000 + 573502 7 CoreFoundation 0x3525649e 0x35247000 + 62622 8 CoreFoundation 0x35256366 0x35247000 + 62310 9 GraphicsServices 0x36552432 0x3654e000 + 17458 10 UIKit 0x3234ce76 0x3231b000 + 204406 11 myApp 0x0001bac0 main (main.m:16) 12 myApp 0x0001ba80 start + 32

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• Sending SMS programmatically in 1.5 on CDMA device

  - by Justin

  I am developing an application that relies heavily on sending SMS programmatically. I followed the examples released after 1.6 that demonstrate how to use an abstract class to implement sending for 1.5 and 1.6+. I started getting complaints from some users about how it appears as though SMS should be sent but they are in fact not. It took be a while to realize what was going on, the one 1.5 test device I have is GSM. Of course it must be because the Sprint Hero is CDMA (running 1.5). Regardless of message size I use the general form of: divideMessage() and sendMultipartTextMessage(destinationAddress, null, parts, null, null) How can I successfully send an SMS in this case? Can I call sendTextMessage() a number of times? Also, I tried unsuccessfully to find the source for the Hero's Messenger/Conversations package or equivalent, if anyone knows where to find that that would be great.

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• iPhone Table View Cell Image: Working on simulator, not showing on real device

  - by Graeme

  Hi, I have a UITable View that displays an image in the left hand side of the table cell, and it works fine in the simulator. Only problem is, once I ran it on my device no images appear. At first 3 did, but then I "cleaned headers" and now none appear. Have checked that images are added to resource folder for build (which they are) and that capitals etc. match (which they do). Any ideas? Thanks. Code to display images: cell.imageView.layer.masksToBounds = YES; cell.imageView.layer.cornerRadius = 5.0; UIImage *image = [UIImage imageNamed:[[dog types] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]];; if ( image ) { cell.imageView.image = [image imageScaledToSize:CGSizeMake(50, 50)]; }

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• Cannot run code on device

  - by lostInTransit

  Hi I have some source code which I had developed and later gave to another team. They signed it with their certificate and provisioning profile. Now I have the code back and have set the appropriate values in the project properties for code signing identity (with my cert and profile). But when I run the application on a device, I get an error showing the other team's certificate and prompting that the provisioning profile does not exist. I don't know where it is being referenced. Can someone please help. Thanks.

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• How to retrieve path for a file embedded in Resources (Resource Manager) - .net C#

  - by curiousone

  Hi, I am trying to retrieve file path for a html file that is embedded in resource (resx file) in VS2008 C# project. I want to give path of this file to native webbrowser control (PIEHtml) to be able to navigate (DTM_NAVIGATE) in my application. I know I can pass the string to this control using DTM_ADDTEXTW but since html text size is so big, I dont want to pass string to the control. I need to somehow extract the file path for this html file embedded inside resource manager. I tried using but this does not give the file path of html inside assembly: private ResourceManager resManager = new ResourceManager("AppName.FolderName.FileName", System.Reflection.Assembly.GetExecutingAssembly()); this.lbl.Text = resManager.GetString("StringInResources"); and also read Retrieving Resources in Satellite Assemblies but it did not solve my problem. Can somebody please provide info as to how to achieve this ? thanks,

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• TinyMce + Ajax File Manager + Codeigniter = Little Problem

  - by lucha libre

  OK, I'm using the following: TinyMCE, CodeIgniter, and the TinyMCE Ajax File Manager. I can upload correctly and it looks pretty good. However, when I view the HTML (from TinyMCE), this is what I get. <img src="../../../data/page/verde_enfemera.jpg" alt="" /> What I need to be getting is the following: <img src="http://localhost/http/data/page/verde_enfemera.jpg" alt="" /> Can someone help? EDIT: I changed the code in the HTML editor of Tinymce, then I saved it. When I re-opened it, the code was reverted back to the original "../.../../data", etc. please, help, someone.

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• NSDateFormatter incorrect date on simulator, correct date on device

  - by Rudiger

  Hi, Im building a calendar and to find out the first day of the month I do [formatter setDateFormat:@"e"]; int startDay = [[formatter stringFromDate:newDate] intValue]; On the device this works correctly and the 1st of the month is on the correct day. But on the simulator it is the day after. Although it doesn't overly matter about the simulator it is kind of driving me crazy thinking I've done something wrong. I tried to set the locale of the formatter but no difference, nor i think should it. Can anyone shed some light on this? On a side note is there a better way to build a calendar than this?

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• TFS Integration with Rational ClearQuest and Requirement Manager

  - by Kangkan

  I am working on an integration approach for integrating Rationa (IBM Jazz) Requirement Manager (RM) and Clear Quest (CQ) with TFS. As the teams are moving from ClearCase to TFS, what we are looking at is still being able to manage the requirements in RM and manage testing using CQ. The flow will be something like: Requirements are planned and detailed in RM Create work items in TFS connected to the Requirements in RM Create design and code using VS2010 and managing the version control in TFS Creating test plans and test cases in CQ (connected to requirements in RM) Run test against builds in TFS Publish test results in CQ against builds in TFS Run reports in RM, CQ and TFS that links up the items across the platforms. I have started looking at TFS Integration platform. But shall like to have your guidance for an early resolution and better solution approach.

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• Strange crashes on the iPad device with core graphics functions

  - by toastie

  I am getting a lot of strange EXC_BAD_ACCESS crashes on the iPad that only happen on the device and not in the simulator. I am assuming that they are somehow memory related, but I am not sure. They all happen with image context related functions. One strange example is using CGImageCreateWithImageInRect. For example, if i run through a bunch of UIImages and crop them with CGImageCreateWithImageInRect, it will always crash at specific arbitrary sizes. Like, if I crop them all to 200x200, it crashes out after processing 12 images. If i crop them to 210x210, it works no problem. The EXC_BAD_ACCESS happens inside of "memmove" called from "CGBlt_copyBytes". That is all the debugger shows me strangely enough. I can't see the callstack going up to any of my methods. All of this works fine in the simulator! I know this is all very vague, but if anyone has any ideas, they would be greatly appreciated.

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• Connecting to tcp server from client running in android device

  - by Andhravaala

  Hi, I am trying to connect to a standalone desktop tcp server(java) from tcp client application in android device. But I am not able to connect to that. I tried to write a desktop tcp client and tried to connect to server(remote server). It is working fine. But When I am trying to connecting from android, I am getting a IOException while creating Socket instance. Can anyone help me in this ? Thanks in advance....

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• Storyboard elements are not sized properly on the device

  - by Joel Fischer

  In the storyboard, I am placing a table view element into a subclassed UIView. The element is not appearing on the iPad device I am running it on the same as it appears in the storyboard however. This also happens for additional content that I place into the storyboard. Below is a screenshot as it appears in the storyboard, as well as UI width/height information. And here is the description of the UI file running on the iPad. https://gist.github.com/4323186 (embedding it directly into the post is giving me problems) You'll notice that the tableview is explicitly set at 178 width, and is showing up in the description as 276 width. My initial thought was that perhaps a cell was forcing the parent to be larger (I'm very new to iOS UI development), but drilling into that shows the prototype cell it appears that the width is defined by it's parent at 178. The image views and label also are appearing in the incorrect spot, as shown in the second image below.

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• PerformSelectorInBackground leaking on device

  - by Oysio

  While it seems to not pose a problem on the simulator, using performSelectorInBackground on the device causes memory leaks. Or at least that's what Instruments indicates. Looking at the code I don't have a single clue what the cause could be. I tried to strip the affected code to a bare minimum but still strangely Instruments keeps showing a leak every time this piece of code is executed. Anything unusual going on here? //In viewcontrollerA: -(void)mainLoop { [self.viewControllerB performSelectorInBackground:@selector(calculateTotals) withObject:nil]; //This gives the same problem //[NSThread detachNewThreadSelector:@selector(calculateTotals) toTarget:self.viewControllerB withObject:nil]; //UI stuff ... } //viewControllerB: -(void)calculateTotals { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; //Heavy calculations ... [pool release]; }

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• Django model manager didn't work with related object when I do aggregated query

  - by Satoru.Logic

  Hi, all. I'm having trouble doing an aggregation query on a many-to-many related field. Let's begin with my models: class SortedTagManager(models.Manager): use_for_related_fields = True def get_query_set(self): orig_query_set = super(SortedTagManager, self).get_query_set() # FIXME `used` is wrongly counted return orig_query_set.distinct().annotate( used=models.Count('users')).order_by('-used') class Tag(models.Model): content = models.CharField(max_length=32, unique=True) creator = models.ForeignKey(User, related_name='tags_i_created') users = models.ManyToManyField(User, through='TaggedNote', related_name='tags_i_used') objects_sorted_by_used = SortedTagManager() class TaggedNote(models.Model): """Association table of both (Tag , Note) and (Tag, User)""" note = models.ForeignKey(Note) # Note is what's tagged in my app tag = models.ForeignKey(Tag) tagged_by = models.ForeignKey(User) class Meta: unique_together = (('note', 'tag'),) However, the value of the aggregated field used is only correct when the model is queried directly: for t in Tag.objects.all(): print t.used # this works correctly for t in user.tags_i_used.all(): print t.used #prints n^2 when it should give n Would you please tell me what's wrong with it? Thanks in advance.

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• overflow hidden not working on touch device

  - by Jesper Ong

  I have a problem with overflow:hidden on a touch device. Basically I have my html and body on overflow:hidden. With a contact form outside(bottom) of the window. On clicking a button this form will animate in. This is so far working great on desktop browsers. But on touch devices, I seem to be able to scroll down and view the form. I can't seem to find solutions after much googling. Is there anyway to force overflow:hidden on touch devices? Any help much appreciated!

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• Get list of users belonging to a role using Authorization Manager (AzMan)

  - by Sam

  Using ASP.NET (C#) I have set up Authorization Manager to allow me to handle roles on a website. Added users to roles is simple Roles.AddUserToRole("DOMAIN\\UserName", "role"). However I want to list the users belonging to a role, but since they are stored as SID's, displaying them would not be that helpful. To get the users, I am thinking XML would have to be used, although is it possible to use COM Interop to both do that and get the user name? Either way, how can I get the users belonging to a role? The table to manage roles would basically be like this: Role User ---- ---- admin DOMAIN\UserName [delete] DOMAIN\UserName2 [delete] [add user text box] news DOMAIN\UserName3 [delete] [add user text box]

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• Subclassing Satchmo's Category model, but then getting the error "'Manager' object has no attribute 'root_categories'"

  - by hellsgate

  I'm using Satchmo as part of a website I'm currently building. At the moment I'm trying add more functions to the Satchmo Category class, but obviously I'm not going to make any changes to the Satchmo files. So, I thought that subclassing the Category class would give me a new class which contains all the Satchmo Category properties and methods while allowing me to add my own. However, either Python subclassing doesn't work like that, or I am doing it wrong. Here is the code I'm using to subclass Category: from product.models import Category class MyCategory(Category): """ additional functions to pull data from the Satchmo store app """ One of the methods I can normally use from the Category class is: Category.objects.root_categories() however, when I try to access MyCategory.objects.root_categories() I get the following error: AttributeError: 'Manager' object has no attribute 'root_categories' Can anyone point me in the right direction for solving this?

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• MC75 using symbol.imaging.device libraries for program

  - by Christy

  UPDATE: I found another library in the Windows Mobile - CameraCaptureDialog - this did the job - never did figure out the zero length available devices... Hi all, I have a .net application running on a symbol mc75 (motorola) using the scanner. I am now trying to add functionality for the camera and I am running into issues. To find the 'devices' you are supposed to use the library's 'available devices' function. With the barcode it is symbol.barcode.devices.availabledevices and it returns two items (you can scan from the scanner or using the camera device) However, when I do the camera library it does not find any devices - symbol.imaging.devices.availabledevices returns 0 I can take a picture using the software on the mc75, so I know the functionality is there, I just can't figure out how to get to it programmatically.... Does anyone have any ideas? Thanks for any help!

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• Form dependency manager

  - by user225269

  Need help in form dependency manager javascript: As you can see the checkbox below depends on either of the two criteria (the info=student or the info=all). I've come up with the code below based on this: DEPENDS ON name [BEING value] [OR name [BEING value]] CONFLICTS WITH name [BEING value] from this site: http://www.dynamicdrive.com/dynamicindex16/formdependency.htm Here's the code: <tr> <td> <input type="hidden" name="yr"> <label> <input type="checkbox" name="yr" value="year" class="DEPENDS ON info BEING student OR info BEING all"> Year</label> </td> </tr>

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• WinForms app config manager is x86 and cannot reference assemblies that targets Any CPU

  - by ivos

  Hi I'm using Win7 64x and Visual Studio 2010. I created a library/framework targeting Any CPU. Then I created a new WinForms project that uses that framework, leaving the default values of the wizard. I mean, I didn't change anything. When I reference my framework, VS cannot find the assemblies. If I go to the project properties, it is targeting Any CPU (as expected, I can change it if I want). But if I go to Configuration Manager, the only choice I have for that project is x86. And I guess that is the problem. I tried to add Any CPU as a new Target but I was unable to. Could someone help me? :) Thanks in advance!

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• Paging doesn't work in the Joomla Article Manager in the admin section

  - by SkippyFire

  I inherited a Joomla site that is having a problem with the article manager in the admin section. The pagination doesn't work! If I click the page number, forward, back, or page size, nothing happens! So I found out that someone had previously installed the iJoomla SEO plugin, but it never worked so they removed it. I think it is incompatible with the version I have. I setup a local environment with almost the same setup (I have 5.2.11 vs the servers 5.2.13) with Wamp Server, and I found that some of the session variables are missing! When dumped via print_r(), the $_SESSION variable is missing the "com_content", "global", and "com_plugins" arrays! So I guess that is the reason that paging doesn't work, because the "com_content" array looks like it has paging info in it. (maybe I'm wrong) So I'm running Version 1.5.13 on PHP Version 5.2.13 Anyone know why this would happen? Thanks in advance!

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• Configuration manager for PHP

  - by Jack

  I am working on code re-factoring of configuration file loading part in PHP. Earlier I was using multiple 'ini' files but now I plan to go for single XML file which will be containing all configuration details of the project. Problem is, if somebody wants configuration file in ini or DB or anything else and not the default one (in this case XML), my code should handle that part. If somebody wants to go for other configuration option like ini, he will have to create ini file similar to my XML configuration file and my configuration manager should take care everything like parsing, storing in cache. For that I need a mechanism lets say proper interface for my configuration data where the underlying data store can be anything( XML, DB, ini etc) also I don't want it to be dependent on these underlying store and anytime in future this should be extensible to other file formats.

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• Android PixelFormat per device

  - by Tobias Domhan

  analogous to this thread: stackoverflow.com/questions/2093594/opengl-extensions-available-on-different-android-devices I would like to collect the different PixelFormats the android devices use. To find out you must do the following: Parameters camParams = camera.getParameters(); int format = camParams.getPreviewFormat(); Now you got to find the number in the following list: developer.android.com/reference/android/graphics/PixelFormat.html#A_8 How to generally open the camera is described here: developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/graphics/CameraPreview.html I'll have a start: device: T-mobile G1 / HTC Dream android: 1.6 (cyanogen mod) format: YCbCr_420_SP so what formats do your android phones use? thanks in advance :D

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• Disabling Task manager using c# in OS Hardened machine

  - by srk

  I am using the below code to disable the task manager for a kiosk application which works perfectly public void DisableTaskManager() { RegistryKey regkey; string keyValueInt = "1"; string subKey = "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System"; try { regkey = Registry.CurrentUser.CreateSubKey(subKey); regkey.SetValue("DisableTaskMgr", keyValueInt); regkey.Close(); } catch (Exception ex) { MessageBox.Show("DisableTaskManager" + ex.ToString()); } } But when i run this in OS hardened machine i get the following error, DisableTaskManagerSystem.UnauthorizedAccessException: Access to the registry key 'HKey_Current_User\Software\Mictrosoft\Windows\CurrentVersion\Policies\System' is denied. at Microsoft.win32.RegistryKey.win32Error(int32 errorcode, String str) How can i overcome this ? I need to do this for a Kiosk application.

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