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  • Communicating with a MW-3170 magnetic card reader

    - by stukelly
    One of our customers has asked if we can interface with a serial magnetic card reader/encoder from a old EPOS system. The device has no make only the MW-3170 model number. Does anybody know how I can communicate with the device? I am currently looking for a programming manual on Google, without much success.

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  • Showing login view controller before main tab bar controller

    - by Padawan
    I'm creating an iPad app with a tab bar controller that requires login. So on launch, I want to show a LoginViewController and if login is successful, then show the tab bar controller. This is how I implemented an initial test version (left out some typical header stuff, etc)... AppDelegate.h: @interface AppDelegate_Pad : NSObject <UIApplicationDelegate, LoginViewControllerDelegate> { UIWindow *window; UITabBarController *tabBarController; } @property (nonatomic, retain) IBOutlet UIWindow *window; @property (nonatomic, retain) IBOutlet UITabBarController *tabBarController; @end AppDelegate.m: @implementation AppDelegate_Pad @synthesize window; @synthesize tabBarController; - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { LoginViewController_Pad *lvc = [[LoginViewController_Pad alloc] initWithNibName:@"LoginViewController_Pad" bundle:nil]; lvc.delegate = self; [window addSubview:lvc.view]; //[lvc release]; [window makeKeyAndVisible]; return YES; } - (void)loginViewControllerDidFinish:(LoginViewController_Pad *)loginViewController { [window addSubview:tabBarController.view]; } - (void)dealloc {...} @end LoginViewController_Pad.h: @protocol LoginViewControllerDelegate; @interface LoginViewController_Pad : UIViewController { id<LoginViewControllerDelegate> delegate; } @property (nonatomic, assign) id <LoginViewControllerDelegate> delegate; - (IBAction)buttonPressed; @end @protocol LoginViewControllerDelegate -(void)loginViewControllerDidFinish:(LoginViewController_Pad *)loginViewController; @end LoginViewController_Pad.m: @implementation LoginViewController_Pad @synthesize delegate; ... - (IBAction)buttonPressed { [self.view removeFromSuperview]; [self.delegate loginViewControllerDidFinish:self]; } ... @end So the app delegate adds the login view controller's view on launch and waits for login to call "did finish" using a delegate. The login view controller calls removeFromSuperView before it calls didFinish. The app delegate then calls addSubView on the tab bar controller's view. If you made it up to this point, thanks, and I have three questions: MAIN QUESTION: Is this the right way to show a view controller before the app's main tab bar controller is displayed? Even though it seems to work, is it a proper way to do it? If I comment out the "lvc release" in the app delegate then the app crashes with EXC_BAD_ACCESS when the button on the login view controller is pressed. Why? With the "lvc release" commented out everything seems to work but on the debugger console it writes this message when the app delegate calls addSubView for the tab bar controller: Using two-stage rotation animation. To use the smoother single-stage animation, this application must remove two-stage method implementations. What does that mean and do I need to worry about it?

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  • What's the purpose of noncreatable coclasses in IDL?

    - by sharptooth
    What is the reason for declaring noncreatable coclasses like the following in IDL? [ uuid(uuidhere), noncreatable ] coclass CoClass { [default] interface ICoClass; }; I mean such class will not be registered to COM anyway. What's the reason to mention it in the IDL file and in the type library produced by compiling that IDL file?

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  • Run Windows application as a service?

    - by sh-beta
    What is the cleanest, most reliable way to run a Windows application as a service without touching its code? Use case: NorthScale's 64-bit Windows version of memcached runs as a generic application. I'd like to stick it into a Windows 2003 or 2008 Service so I can start/stop/restart/etc it through the standard interface.

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  • glib2 64-bit compile fails on Solaris 10

    - by Aaron
    I'm encountering a problem building glib-2.26.1 on a Solaris 10 box - 64-bit. Goo diligence doesn't turn anything up, but no matter what I do the build fails in the same way. I've tried using the Sun Studio compiler, gcc (SFW) to no avail. When I compile I get the following error: [root@foo glib-2.26.1]$ export CC=/opt/solstudio12.2/bin/cc [root@foo glib-2.26.1]$ export CFLAGS="-m64" ...configure goes normally... [root@foo glib-2.26.1]$ make ...snip... source='gatomic.c' object='gatomic.lo' libtool=yes \ DEPDIR=.deps depmode=none /bin/bash ../depcomp \ /bin/bash ../libtool --tag=CC --mode=compile /opt/solstudio12.2/bin/cc -DHAVE_CONFIG_H -I. -I.. -I.. -I../glib -I../glib -I.. -DG_LOG_DOMAIN=\"GLib\" -DG_DISABLE_CAST_CHECKS -DG_DISABLE_DEPRECATED -DGLIB_COMPILATION -DPCRE_STATIC -DG_DISABLE_SINGLE_INCLUDES -D_REENTRANT -D_PTHREADS -m64 -c -o gatomic.lo gatomic.c libtool: compile: /opt/solstudio12.2/bin/cc -DHAVE_CONFIG_H -I. -I.. -I.. -I../glib -I../glib -I.. -DG_LOG_DOMAIN=\"GLib\" -DG_DISABLE_CAST_CHECKS -DG_DISABLE_DEPRECATED -DGLIB_COMPILATION -DPCRE_STATIC -DG_DISABLE_SINGLE_INCLUDES -D_REENTRANT -D_PTHREADS -m64 -c gatomic.c -KPIC -DPIC -o .libs/gatomic.o "gatomic.c", line 885: warning: no explicit type given "gatomic.c", line 885: syntax error before or at: * "gatomic.c", line 885: warning: old-style declaration or incorrect type for: g_atomic_mutex "gatomic.c", line 906: warning: implicit function declaration: g_mutex_lock "gatomic.c", line 909: warning: implicit function declaration: g_mutex_unlock "gatomic.c", line 1155: warning: implicit function declaration: g_mutex_new "gatomic.c", line 1155: warning: improper pointer/integer combination: op "=" cc: acomp failed for gatomic.c make[4]: *** [gatomic.lo] Error 1 make[4]: Leaving directory `/root/glib-2.26.1/glib' make[3]: *** [all-recursive] Error 1 make[3]: Leaving directory `/root/glib-2.26.1/glib' make[2]: *** [all] Error 2 make[2]: Leaving directory `/root/glib-2.26.1/glib' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/root/glib-2.26.1' make: *** [all] Error 2 Does anyone know where the build might be going wrong? Not sure where else to look here. Thanks.

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  • how to remove seperator from tableview

    - by thndrkiss
    Hi, I used interface builder and changed my tableview style as grouped and seperator as none. I was able to see the change in the display style which is grouped right now. But The seperator change is not getting reflected. Kindly help me how to remove the seperator.

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  • Async Call To Services

    - by Pita.O
    Hi Is there any time it would not be a good idea to call web services async? My data layer is a REST-based interface and I thinking of adopting an async-only approach to all the CRUD in the system. Is there anything I should know?

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  • Using socket API on IPhone

    - by dl3nar
    Hi, for a little project I have to do the following task on my IPhone: open a TCP socket send a command to the server shutdown the WRITE part of the connection read the response from the server close the connection I'm not experienced with socket programming - I've just started with network programming and I've already used the CFStream interface. But obviously streams are not adequate for this task. Who can point me in the right direction? I tried to find a tutorial on Apples website about sockets, but there is nothing. Regards, Thomas

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  • how to organise my abstraction?

    - by DaveM
    I have a problem that I can't decide how to best handle, so I'm asking for advice. Please bear with me if my question isn't clear, it is possiblybecause I'm not sure exacly how to solve! I have a set of function that I have in a class. These function are a set of lowest commonality. To be able to run this I need to generate certain info. But this info can arrive with my class from one of 2 routes. I'll try to summarise my situation.... Lets say that I have a class as follows. public class onHoliday(){ private Object modeOfTravel; private Object location; public onHoliday(Object vehicle, Location GPScoords) { private boolean haveFun(){//function to have fun, needs 4 people }//end haveFun() } } Lets imagine I can get to my holiday either by car or by bike. my haveFun() function is dependant my type of vehicle. But only loosely. I have another function that determines my vehicle type, and extracts the required values. for example if I send a car I may get 4 people in one go, but if I send I bike I need at least 2 to get the required 4 I have currently 2 options: Overload my constructor, so as I can send either 2 bikes or a single car into it, then I can call one of 2 intermediate functions (to get the names of my 4 people for instance) before I haveFun() - this is what I am currently doing. split the 2 constructors into 2 separate classes, and repeat my haveFun() in a third class, that becomes an object of my 2 other classes. my problem with this is that my intermediate functions are all but a few lines of code, and I don't want to have them in a separate file! (I allways put classes in separate files!) Please note, my haveFun() isn't something that I'm going to need outside of these 2 classes, or even being onHoliday (ie. there is no chance of me doing some haveFun() over a weekend or of an evening!). I have though about putting haveFun() into an interface, but it seems a bit worthless having an interface with only a single method! Even then I would have to have the method in both of the classes -one for bike and another for car! I have thought about having my onHoliday class accepting any object type, but then I don't want someone accidentally sending in a boat to my onHoliday class (imagine I can't swim, so its not about to happen). It may be important to note that my onHoliday class is package private, and final. It in fact is only accessed via other 'private methods' in other classes, and has only private methods itself. Thanks in advance. David

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  • Creating DNN Portal through Code (or programming) ?

    - by Harryboy
    I have one portal with 3 modules inside it, now my requirement is i would like to create new portal for every client registered in my DNN site. So, i have one interface for registration, so as soon as client registers entirely new parent portal should be created with all the modules. How can i achieve this functionality ???

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  • Sparxsystems Enterprise Architect and issuses/tasks tracking system?

    - by peperg
    We (developement team 4 upto 7 people) use Sparxsystems EA for requirement analysis, modeling etc. Do you know any well-working methods to use EA and some task/issue tracking system like Redmine/Mantis/Trac ? The problem is not to duplicate functionality (there are issues/tasks/changes in Redmine and EA) but to have some user friendly interface (preffered web) to manage tasks and issues. By user-friendly I mean "my tasks" page add effort / time tracking easy "add issue" by everyone (simple bug tracking system) mail notifications

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  • Adding network share as the system account breaks Win7 backup to network

    - by ChrisBenn
    (On Win7 Ultimate x64 SP1) So I've been using Win7 backup to \192.168.0.100\Backup\main-desktop\ for awhile without issue. Yesterday I tried to setup crashplan to synchronize my dropbox folder and a network share. I then found out that crashplan, as it runs under the system account, can't see my user mapped drives. So I created a startup script net use O: \192.168.0.100\Documents /USER:192.168.0.100\username password and set it to run, on startup, after the network interface is up, as the system account. (the username & password are the same for the net use script above, the locally logged in user, and the explicit username/password entered in windows backup). I woke up this morning to find error flags from the windows backup and get "Network location cannot be used" (0x800704B3). If I disable the startup task & reboot then windows backup works fine. I'm not sure why having a mapped drive for another user is killing windows backup (same server, different folder). I can work around the issue by using another program to synchronize the two folders, but I'm completely in the dark as to why this happens (and it's 100% repeatable). Uninstalling the crashplan client doesn't change anything - it's the net use run under the system account that breaks win7 backup (to a network location).

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  • How can I recreate the ImageKit Picture Taker?

    - by kennyisaheadbanger
    Hi, I'm trying to create a tool for jQuery which crops images. I know there is already a load of already. The difference with the one i'm trying to make is that i'd like it to act like the Picture Taker interface found in many mac applications like iChat and Adium. I'm stuck completly on how to do it. Can anyone give me any ideas? Picture Taker Documentation

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  • DUnit: How to run tests?

    - by Ian Boyd
    How do i run TestCase's from the IDE? i created a new project, with a single, simple, form: unit Unit1; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm1 = class(TForm) private public end; var Form1: TForm1; implementation {$R *.DFM} end. Now i'll add a test case to check that pushing Button1 does what it should: unit Unit1; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm1 = class(TForm) Button1: TButton; procedure Button1Click(Sender: TObject); private public end; var Form1: TForm1; implementation {$R *.DFM} uses TestFramework; type TForm1Tests = class(TTestCase) private f: TForm1; protected procedure SetUp; override; procedure TearDown; override; published procedure TestButton1Click; end; procedure TForm1.Button1Click(Sender: TObject); begin //todo end; { TForm1Tests } procedure TForm1Tests.SetUp; begin inherited; f := TForm1.Create(nil); end; procedure TForm1Tests.TearDown; begin f.Free; inherited; end; procedure TForm1Tests.TestButton1Click; begin f.Button1Click(nil); Self.CheckEqualsString('Hello, world!', f.Caption); end; end. Given what i've done (test code in the GUI project), how do i now trigger a run of the tests? If i push F9 then the form simply appears: Ideally there would be a button, or menu option, in the IDE saying Run DUnit Tests: Am i living in a dream-world? A fantasy land, living in a gumdrop house on lollipop lane?

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  • implementation Services in MVVM

    - by netmajor
    I want to use Services(WCF/RIA /Web) to take data from Entity Data Model class (maybe NHibernate class) and prepared it special for View layer binding. I have few Silverlight page, so should I create for each page separate service class ? Or create one interface and all method will implement it in one service class? Do You have some advice helped with my with services ?

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  • Do fluent interfaces violate the Law of Demeter?

    - by Jakub Šturc
    The wikipedia article about Law of Demeter says: The law can be stated simply as "use only one dot". However a simple example of a fluent interface may look like this: static void Main(string[] args) { new ZRLabs.Yael.Pipeline("cat.jpg") .Rotate(90) .Watermark("Monkey") .RoundCorners(100, Color.Bisque) .Save("test.png"); } So does this goes together?

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  • Whats ResolveAll do

    - by vdhant
    Hi guys Just a quick one. In IOC's what does ResolveAll do?? I know that the offical answer is "Resolve all valid components that match this type." but does that mean that it will return any class that implements a given interface? Cheers Anthony

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  • dictationRecordingDidEnd never called

    - by optme
    I am using a UITextView and added UITextInputDelegate in my view controller. I have implemented textDidChange and dictationRecordingDidEnd methods. The textDidChange and dictationRecordingDidEnd are never called. Please help. In MyViewController.h file @interface MyViewController : UIViewController <UITextViewDelegate, UITextInputDelegate> { } In MyViewController.m file - (void) textDidChange:(id<UITextInput>)textInput { } - (void)dictationRecordingDidEnd { } - (void)dictationRecognitionFailed { textViewResults.text = @"Dictation Failed"; }

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  • How to populate object dependencies with routing bapi

    - by Ben V
    I'm using BAPI_ROUTING_CREATE to interface routing creation/changes from an external system. There doesn't seem to be a way to pass VC object dependencies for each operation. Does anyone know of a way to programmatically update object dependencies? I'd prefer to avoid BDCs if possible.

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  • Reuse nib's across multiple UIViewControllers

    - by colm
    I've created some custom UITableViewCells in a nib file and would like to use that across multiple UIViewControllers. Can anyone tell me the best practice way to do that? My limited knowledge around loading nibs seems to suggest that you have to specify a single owner class in Interface Builder. Thanks.

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  • How to upload a huge(GBs) file to a webserver

    - by Aman Jain
    Hi I want to create a web interface that will allow users to upload huge files. These files are actually vmdk files(Virtual Machine Disks), and they can be multi GB in size. I think this makes the situation different from normal file uploads(10-20MB file uploads). So any advise on how to achieve the same in an efficient and fault tolerant way, is appreciated. Thanks Aman Jain

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  • GPRS communication

    - by Manoj Goel
    Hi All, I want to set up communication between GSM/GPRS modem and a remote server or PC. How to do that? Do we need some application on PC which will communicate to the GSM modem. I want 2 way commuinication. I want to interface GSM/GPRS modem with some microprocessor which has some LCD display. Can anybody help me in this. Thanks, Manoj

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  • Edit/show Primary Key in Django Admin

    - by emcee
    It appears Django hides fields that are flagged Primary Key from being displayed/edited in the Django admin interface. Let's say I'd like to input data in which I may or may not want to specify a primary key. How would I go about displaying primary keys in Django-admin, and how could I make specifying it optional? Many thanks in advance, beloved hive-mind.

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