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  • Prevent sqlite INJECTION ATTACKS on your own iPhone?

    - by Bonnie
    I always take precautions regarding SQL INJECTION ATTACKS when data is saved between someone's iPhone and a remote database on the cloud. But is it also necessary to do the same... when just saving data (using sqlite) from someone's cell phone, to a database that's just on their own phone? What's the worse they can do? Delete their own data (or tables) on their own phone? (If they really try hard enough.) Thanks.

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  • Appending string in NSXMLNode

    - by iSight
    Hi, When I call the method setStringValue:mCurrentString when is encountered, the child elements which are already attached to element are detached. Can any one suggest why it is happening so. The sample XML file goes like this: <?xml version="1.0" encoding="UTF-8"?> <Test xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" Version="1.0"> <Page Id="123-234-345-456-567"> <Word/> <Text Id="234-345-456-567-678" Left="120.789" Top="120.234657" Width="300.2390" Height="50.00"> <Content> <![CDATA[<FlowDocument FontFamily="Helvetica" FontSize="24" Foreground="#FFFFFF00" TextAlignment="Left" PagePadding="5,0,5,0" AllowDrop="True" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"><Paragraph><Run FontFamily="Helvetica" FontSize="24" Foreground="FF00B38D" xml:lang="en-gb">This is for Testing purpose</Run></Paragraph>]]></Content> <Stroke Color="#FF00B300" Width="10"/> </Text> <Image Id="345-456-567-678-789" Left="200.345" Top="350.678" Width="200.00" Height="200.00"> <Source>Bear.png</Source> </Image> </Page> <Page Id="345-897-123-756-098" Left="100.90" Top="200.098" Width="200.098" Height="50.09"> <Image Id="756-098-978-685-298" Left="12098" Top="340.87" Right="109.78" Height="100.987"> <Source>Flower.png</Source> </Image> </Page> </Test> This is the method i am using for an NSXMLElement object: [mCurrentElement setStringValue:mCurrentString];// mCurrentString is the string that obtained through delegate method.

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  • How can I present a modal view controller after selecting a contact?

    - by barfoon
    Hey everyone, I'm trying to present a modal view controller after selecting a contact and it doesnt seem to be working. In my - (BOOL)peoplePickerNavigationController:(ABPeoplePickerNavigationController *)peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person method, I dismiss peoplePicker, create an instance of my new view controller, then present it with [self.navigationController presentModalViewController:newController animated:YES]; and it doesnt work. However if i PUSH the view controller it works with this code: [self.navigationController pushViewController:newController animated:YES]; How can I accomplish this? Thank you,

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  • How do I pass a bool into locationManager on iphone with startUpdatingLocation?

    - by user295944
    I want to pass a flag into my location manager function - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation so it will look like - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation andTweet:(Bool *)tweet but it started with the command [locmanager startUpdatingLocation]; So how can I pass the bool into the function?

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  • iPhone TabbarController Switch Transition

    - by user269737
    I've implemented gestures (touchBegan-moved-ended) in order to allow for swiping through my tabs. It works. I'd like to add a slide-from-left and slide-from-right transition. It would be better if it could be part of the gesture if statement which tells me if the swipe is towards the right of left. Since I determine which tab is displayed from that, I could show that specific transition along with the new tab. So my question is this: what's the simplest way to simplement a slide transition at a specific instance. I don't want it to be for the whole tabbarcontrol since this is specifically for the swiping. Thanks for the help, much appreciated. For clarification purposes, this is snippet shows how I'm switching tabs: if(abs(diffx / diffy) > 2.5 && abs(diffx) > HORIZ_SWIPE_DRAG_MIN) { // It appears to be a swipe. if(isProcessingListMove) { // ignore move, we're currently processing the swipe return; } if (mystartTouchPosition.x < currentTouchPosition.x) { isProcessingListMove = YES; self.tabBarController.selectedViewController = [self.tabBarController.viewControllers objectAtIndex:0]; return; } else { isProcessingListMove = YES; self.tabBarController.selectedViewController = [self.tabBarController.viewControllers objectAtIndex:1 ]; return; }

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  • .Net Designer assemblies, C++\C# error

    - by greggorob64
    I'm working on an designer-heavy application (using Visual C++ 2.0, but a C# solution should still be relevant). My setup is this: I have a UserControl named "Host" I'm attempting a UserControl named "Child" Child contains a property to a class whose type is defined in a different dll entirely, named "mytools.dll" Child works just fine in the designer. However, when I go to drag "child" onto "host" from the designer, I get the following error: Failed to create component 'Child'. The error message follows: 'System.io.filenotfoundexception: could not load file or assembly MyTools, Version XXXXXX, Culture=neutral ..... {unhelpful callstack} If I comment out the property in "child" that points to the class in mytools.dll, everything designs just peachy. I have the property marked with "Browsable(false), and DesignerSerializable(hidden), and it does not help. Is there a way for me to explicitly say "Don't load this dll, you won't need it in design time", or some way for me to force a dll to load from the designer programmatically? Thanks!

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  • delete in tableView..

    - by totato
    I just add this methods in .h file : - (IBAction)EditTable:(id)sender; - (IBAction)DeleteButtonAction:(id)sender; and in .m file : (IBAction)DeleteButtonAction:(id)sender{ [tableList removeLastObject]; [Table reloadData]; } (IBAction) EditTable:(id)sender{ if(self.editing) { [super setEditing:NO animated:NO]; [Table setEditing:NO animated:NO]; [Table reloadData]; [self.navigationItem.leftBarButtonItem setTitle:@"Edit"]; [self.navigationItem.leftBarButtonItem setStyle:UIBarButtonItemStylePlain]; } else { [super setEditing:YES animated:YES]; [Table setEditing:YES animated:YES]; [Table reloadData]; [self.navigationItem.leftBarButtonItem setTitle:@"Done"]; [self.navigationItem.leftBarButtonItem setStyle:UIBarButtonItemStyleDone]; } } when I run the program and click the delete button (red button) the program is stop ! whats the problem ? please any help ?

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  • inserting new relationship data in core-data

    - by michael
    My app will allow users to create a personalised list of events from a large list of events. I have a table view which simply displays these events, tapping on one of them takes the user to the event details view, which has a button "add to my events". In this detailed view I own the original event object, retrieved via an NSFetchedResultsController and passed to the detailed view (via a table cell, the same as the core data recipes sample). I have no trouble retrieving/displaying information from this "event". I am then trying to add it to the list of MyEvents represented by a one to many (inverse) relationship: This code: NSManagedObjectContext *context = [event managedObjectContext]; MyEvents *myEvents = (MyEvents *)[NSEntityDescription insertNewObjectForEntityForName:@"MyEvents" inManagedObjectContext:context]; [myEvents addEventObject:event];//ERROR And this code (suggested below): //would this add to or overwrite the "list" i am attempting to maintain NSManagedObjectContext *context = [event managedObjectContext]; MyEvents *myEvents = (MyEvents *)[NSEntityDescription insertNewObjectForEntityForName:@"MyEvents" inManagedObjectContext:context]; NSMutableSet *myEvent = [myEvents mutableSetValueForKey:@"event"]; [myEvent addObject:event]; //ERROR Bot produce (at the line indicated by //ERROR): *** -[NSComparisonPredicate evaluateWithObject:]: message sent to deallocated instance Seems I may have missed something fundamental. I cant glean any more information through the use of debugging tools, with my knowledge of them. 1) Is this a valid way to compile and store an editable list like this? 2) Is there a better way? 3) What could possibly be the deallocated instance in error? -- I have now modified the Event entity to have a to-many relationship called "myEvents" which referrers to itself. I can add Events to this fine, and logging the object shows the correct memory addresses appearing for the relationship after a [event addMyEventObject:event];. The same failure happens right after this however. I am still at a loss to understand what is going wrong. This is the backtrace #0 0x01f753a7 in ___forwarding___ () #1 0x01f516c2 in __forwarding_prep_0___ () #2 0x01c5aa8f in -[NSFetchedResultsController(PrivateMethods) _preprocessUpdatedObjects:insertsInfo:deletesInfo:updatesInfo:sectionsWithDeletes:newSectionNames:treatAsRefreshes:] () #3 0x01c5d63b in -[NSFetchedResultsController(PrivateMethods) _managedObjectContextDidChange:] () #4 0x0002e63a in _nsnote_callback () #5 0x01f40005 in _CFXNotificationPostNotification () #6 0x0002bef0 in -[NSNotificationCenter postNotificationName:object:userInfo:] () #7 0x01bbe17d in -[NSManagedObjectContext(_NSInternalNotificationHandling) _postObjectsDidChangeNotificationWithUserInfo:] () #8 0x01c1d763 in -[NSManagedObjectContext(_NSInternalChangeProcessing) _createAndPostChangeNotification:withDeletions:withUpdates:withRefreshes:] () #9 0x01ba25ea in -[NSManagedObjectContext(_NSInternalChangeProcessing) _processRecentChanges:] () #10 0x01bdfb3a in -[NSManagedObjectContext processPendingChanges] () #11 0x01bd0957 in _performRunLoopAction () #12 0x01f4d252 in __CFRunLoopDoObservers () #13 0x01f4c65f in CFRunLoopRunSpecific () #14 0x01f4bc48 in CFRunLoopRunInMode () #15 0x0273878d in GSEventRunModal () #16 0x02738852 in GSEventRun () #17 0x002ba003 in UIApplicationMain () solution I managed to get to the bottom of this. I was fetching the event in question using a NSFetchedResultsController with a NSPredicate which I was releasing after I had the results. Retrieving values from the entities returned was no problem, but when I tried to update any of them it gave the error above. It should not have been released. oustanding part of my question What is a good way to create this sub list from a list of existing items in terms of a core data model. I don't believe its any of the ways I tried here. I need to show/edit it in another table view. Perhaps there is a better way than a boolean property on each event entity? The relationship idea above doesn't seem to work here (even though I can now create it). Cheers.

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  • ViewController has wrong orientation after Landscape-only has been popped

    - by noroom
    In a navigation-based app, LandscapeViewController only supports landscape mode (all others support both modes). I also have a "loading screen" that advises the user to rotate the phone before continuing. This way I can make sure that when my landscape view loads, that it's in landscape mode. The problem comes when i rotate the phone to portrait mode while still showing LandscapeVC. I press the Back nagivation button to navigate up one level (to a VC that supports both landscape and portrait modes), but the upper level shows in landscape mode even though the phone is in portrait mode. I guess this is because when I left this view I was in portrait mode, I then rotated the phone while in another view, so this view has not received the notification. If I then proceed to rotate the phone to the other landscape mode (say the LandscapeVC was loaded on its right side, so I'd rotate the upper VC from portrait to the left landscape mode), it will update. My question is: how can I notify this upper view that the phone was rotated, so when the user goes up after putting the phone in portrait mode, the upper view shows correctly?

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  • Why my buttons OnClick event fails to fire?

    - by Pentium10
    I have an activity, where the ListView holds customized linear layout elements for each row. One of the rows has a button defined as: <Button android:text="Pick a contact" android:id="@+id/btnPickContact" android:layout_width="wrap_content" android:gravity="center_vertical" android:layout_height="wrap_content"></Button> Then in java, I have this code: ((Button) row.findViewById(R.id.btnPickContact)).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI); intent.putExtra(EXTRA_ONLINE_ID, (String)v.getTag(TAG_ONLINE_ID)); act.startActivityForResult(intent, PICK_CONTACT); } }); In this setup the event fails to start. Also I've tried by implementing the interface: @Override public void onClick(View v) { Intent intent = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI); intent.putExtra(EXTRA_ONLINE_ID, (String)v.getTag(TAG_ONLINE_ID)); startActivityForResult(intent, PICK_CONTACT); } still no luck, the event doesn't fire. What to do?

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  • Left with extra UITableViewCell after re-ordering

    - by Mark F
    After going into Edit mode, moving a cell, and leaving edit mode, i am left with one extra cell sitting on top of its duplicate cell while still in edit mode. The problem has to be somewhere in here: - (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)sourceIndexPath toIndexPath:(NSIndexPath *)destinationIndexPath { NSMutableArray *array = [[fetchedResultsController fetchedObjects] mutableCopy]; id objectToMove = [[array objectAtIndex:sourceIndexPath.row] retain]; [array removeObjectAtIndex:sourceIndexPath.row]; [array insertObject:objectToMove atIndex:destinationIndexPath.row]; [objectToMove release]; for (int i=0; i<[array count]; i++) { [(NSManagedObject *)[array objectAtIndex:i] setValue:[NSNumber numberWithInt:i] forKey:@"userOrder"]; } [array release]; } Any guidance greatly appreciated!

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  • Sharing files between Mac and iPhone?

    - by senthilmuthu
    Hi, I want to share files between my iPhone and Mac. I saw a tutorial - we can do it through 2 ways such as 1) WebDAV server or 2) Bonjour. I know WebDAV needs a web server, but how can I do it through Bonjour ? Any tutorial ? Can I use Bonjour protocol only, without any FTP server to transfer files between iPhone and Mac ? Example app is in App store Files Lite, it uses both WebDAV and Bonjour. In that Bonjour uses HTTP.

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  • UIButton only responds in a small area

    - by Tom Irving
    I'm trying to add a UIButton to a UIView, but am having some trouble with getting it to respond to touches. I have a method which returns UIButtons after I provide it with a tag: - (UIButton*)niceSizeButtonWithTag:(int)tag { UIButton * aButton = [UIButton buttonWithType:UIButtonTypeCustom]; [aButton setTag:tag]; [aButton addTarget:self action:@selector(buttonWasTapped:) forControlEvents:UIControlEventTouchUpInside]; CGRect newFrame = aButton.frame; newFrame.size.width = 44; newFrame.size.height = 44; [aButton setFrame:newFrame]; return aButton; } As you can see I'm creating a new button and increasing the size. I use this in the following way: UIButton * anotherButton = [self niceSizeButtonWithTag:1]; [anotherButton setImage:[UIImage imageNamed:@"image" withExtension:@"png"] forState:UIControlStateNormal]; [anotherButton setCenter:CGPointMake(middleOfView)]; [aView addSubview:anotherButton]; I create a lot of buttons like this, hence the reason for the method. The buttons are always created and added to the subview perfectly. I can see the image and they're in the correct position. The problem is that they only respond to touches in a tiny strip. In this attached image, The yellow shows the whole frame of the button, The red shows the area that will respond to touches. The grey shows a section of the view the button is added to. If anyone could shed some light on why this is happening, it would be really useful.

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  • How to draw NSString vertically on iPhone?

    - by Horace Ho
    Chinese characters can be view horizontally and vertically. I want to let users have both options. How can this be done in an iPhone views? e.g. +-------------------------+ +-------------------------+ | Hello, I am a newbie. | | b a H | | | | i m e | | | | e l | | | ---> | . a l | | | | o | | | | n , | | | | e | | | | w I | +-------------------------+ +-------------------------+

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  • How to handle duplicate symbol error from 3rd party libraries?

    - by brettr
    I have two 3rd party libraries that seem to use the same class. That should be fine but I'm getting this type of error when building: ld: duplicate symbol .objc_class_name_CJSONScanner in /Users/myappOne/TapjoyConnect/Frameworks/libTapjoyConnectSimulatorRewardInstall_Ads_Pinch.a(CJSONScanner.o) and /Developer/Projects/BuildOutput/Debug-iphonesimulator/OtherLibrary_d.a(CJSONScanner.o) How can I handle this issue?

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  • how to Set already running activity, when user clicks on app icon on home screen

    - by Praveenb
    I have Two activities One splash screen, Player screen. When user clicks on my app icon first splash screen is displayed and then player screen When player activity is running, if user returns to the home screen and then again clicks on app icon, the application is starting from the splash screen again. can any one please help me out how to do any one of below 1) I need to close current running activity and reload application. or 2) I need to resume to the player screen directly. Please give me an example or reference to follow, Im beginner in android programing Thanks In advance

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  • Prevent an Activity from being killed by the OS while starting a child activity

    - by Martin Marinov
    I have a main activity which calls a child one via Intent I = new Intent(this, Child.class); startActivityForResult(I, 0); But as soon as Child becomes visible the main activity gets its onStop and immediately after that onDestroy method triggered. And as soon as I call finish() within the Child activity or press the back button, the Child activity closes and the home screen shows (instead of the main activity). How can I prevent the main activity from being destroyed? :\

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  • IPhone memory problems...

    - by jAmi
    Hi, I am working on an App that is already been made but Memory Management was not considered in the development stages. So what can I do to keep the App memory usage low as soon as I get a memory warning? Is there any general tool or some piece of code that I can use to release any unused memory?

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  • move an object towrds touch

    - by Viral
    hi friends, I want to move an object over the screen where ever the touch moves, i.e. If I touch and drag my finger then the object should get moved, if any one know about this how to perform, please let me know. Thank you in advance, vira.

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  • Why didn't Apple initially implement copy and paste in the iPhone?

    - by Howiecamp
    Why didn't Apple implement copy and paste prior to iPhone OS 3.0? The answers I don't think are correct (but I could certainly be wrong) are: They couldn't figure out how to do it and provide a good user experience Some crazy multi-tasking or battery limitation iPhone users didn't want or need it (this was Microsoft's argument and is totally specious) Thoughts?

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  • Removing entry from table

    - by Bnhjhvbq7
    Can't remove an entry from table. here's my code dropItem = dropList[ math.random( #dropList ) ] dropSomething[brick.index] = crackSheet:grabSprite(dropItem, true) dropSomething[brick.index].x = brick.x dropSomething[brick.index].y = brick.y dropSomething[brick.index].name = dropItem dropSomething[brick.index].type = "dropppedItems" collision function bounce(event) local item = event.other if item.type == "dropppedItems" then if item.name == "bomb" then Lives = Lives - 1 LivesNum.text = tostring(Lives) end item:removeSelf(); end end What I've tried: item:removeSelf(); - removes the whole table item = nil - seams to do nothing, the object continue to move and i still see the image

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