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  • How to close a window (unload a NIB)?

    - by Paperflyer
    I have a custom NSWindowController subclass that loads a NIB file during initialization like this: self = [super initWithNibNamed:@"myNib"]; if (self != nil) { [self window]; } The nib contains some custom views and some other controls. The NSWindowController is the file's owner and at least one of the views even binds to it. Simply, what do I have to do to close and release that window? I spend the whole day trying to figure that out and I am still clueless. Please help me.

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  • Proper NSArray initialization for ivar data in a method

    - by Joost Schuur
    I'm new to Objective-C and iPhone development and have been using Apress' Beginning iPhone 3 Programming book as my main guide for a few weeks now. In a few cases as part of a viewDidLoad: method, ivars like a breadTypes NSArray are initialized like below, with an intermediate array defined and then ultimately set to the actual array like this: NSArray *breadArray = [[NSArray alloc] initWithObjects:@"White", @"Whole Weat", @"Rye", @"Sourdough", @"Seven Grain", nil]; self.breadTypes = breadArray; [breadArray release]; Why is it done this way, instead of simply like this: self.breadTypes = [[NSArray alloc] initWithObjects:@"White", @"Whole Weat", @"Rye", @"Sourdough", @"Seven Grain", nil]; Both seem to work when I compile and run it. Is the 2nd method above not doing proper memory management? I assume initWithObjects: returns an array with a retain count of 1 and I eventually release breadTypes again in the dealloc: method, so that wraps things up nicely. I'm guessing 'self.breadTypes = ...' copies the data to the new array, which is why the original array can be safely released, correct?

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  • Help with pointers in Cocoa

    - by G.P. Burdell
    I'm trying to make a simple calculator application in cocoa. The program hangs when I click on one of my buttons. I think I've traced the problem to the part of my controller that adds a digit to the end of the number currently on the display: - (void)updateNumber:(int)buttonClicked{ *self.activeNumberPointer = *self.activeNumberPointer * 10 + buttonClicked; [outputField setFloatValue:*self.activeNumberPointer]; } I used a pointer to the "activeNumber" in order to allow my program to tell which of the two operands I'm editing. Any help appreciated, thanks.

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  • Rails: Helpers and Models - where to organize code

    - by Sam
    More and more I'm putting all of my code in models and helpers concerning MVC. However, sometimes I'm not sure where to organize code. Should it go into the model or should it go into a helper. What are the benefits of each. Is one faster or are they the same. I've heard something about all models getting cached so it seems then like that would be a better place to put most of my code. For example here is a scenario that works in a model or in helper: def status if self.purchased "Purcahsed" elsif self.confirmed "Confirmed" elsif self.reserved "Reserved" else "Pending" end end I don't need to save this status as in the database because there are boolean fields for purchased, and confirmed, and reserved. So why put this in a model or why put it into a helper? So I'm not sure of the best practice or benefits gained on putting code into a model or into helper if it can be in both.

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  • gae error when i login.

    - by zjm1126
    i am using http://code.google.com/p/gaema/source/browse/#hg/demos/webapp, and this is my traceback: Traceback (most recent call last): File "D:\Program Files\Google\google_appengine\google\appengine\ext\webapp\__init__.py", line 510, in __call__ handler.get(*groups) File "D:\gaema\demos\webapp\main.py", line 31, in get google_auth.get_authenticated_user(self._on_auth) File "D:\gaema\demos\webapp\gaema\auth.py", line 641, in get_authenticated_user OpenIdMixin.get_authenticated_user(self, callback) File "D:\gaema\demos\webapp\gaema\auth.py", line 83, in get_authenticated_user url = self._OPENID_ENDPOINT + "?" + urllib.urlencode(args) File "D:\Python25\lib\urllib.py", line 1250, in urlencode v = quote_plus(str(v)) UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-1: ordinal not in range(128) how to do this thanks ??????????????? ???????? ??????????? ?????????????? ???????

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  • MPMediaickerController memory leak

    - by Joe
    This is code from Apple's Addmusic example. MPMediaPickerController *picker = [[MPMediaPickerController alloc] initWithMediaTypes: MPMediaTypeMusic]; picker.delegate = self; picker.allowsPickingMultipleItems = YES; picker.prompt = NSLocalizedString (@"Add songs to play", "Prompt in media item picker"); // The media item picker uses the default UI style, so it needs a default-style // status bar to match it visually [[UIApplication sharedApplication] setStatusBarStyle: UIStatusBarStyleDefault animated: YES]; [self presentModalViewController: picker animated: YES]; [picker release]; I'm using this code in my app and the Leaks instrument highlights a leak on the line: [self presentModalViewController: picker animated: YES]; I think that this is because this line retains a reference to picker which cannot be subsequently released. Is there any way around this?

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  • NSManagedObject - NSSet gets removed ??

    - by aryaxt
    I have an nsmanagedObject this NSManagedObject contains an NSSet. the data for NSSet get's lost when i call release on an NSManagedObject with retain count of 2. Wouldn't retaining an NSManagedObject also retain all it's properties?? - (id)initViewWithManagedObject :(NSManagedObject)obj { if (self = [super init]) { self.managedObject = obj; } } - (void)dealloc { [self.managedObject release]; //Here is when the nsset data gets removed [super dealloc]; } Below describes how the property was created @interface MyManagedObject :NSManagedObject @property (nonatomic, retain) NSSet *mySet; @end @implementation MyManagedObject @dynamic mySet; @end

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  • Drag Rotate UIImageView by touch

    - by rockstardev
    I have an UIImageView that is a subview of an UIView. I'm trying to create a drag rotate effect with the UIImageView similar to spinning a bottle but I'm having trouble calculating the radians to rotate the image by. My code below seems like it should work because I've seen a similar calculation in Flash examples. Can anyone shed some light on what I'm doing wrong? Thanks. This is the code contained in my image view subclass: - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [[event allTouches] anyObject]; lastLocation = [touch locationInView:[self superview]]; } - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [[event allTouches] anyObject]; CGPoint location = [touch locationInView:[self superview]]; CGFloat xDisplacement = location.x - lastLocation.x; CGFloat yDisplacement = location.y - lastLocation.y; CGFloat rad = atan2f(yDisplacement,xDisplacement); self.transform = CGAffineTransformMakeRotation(rad); }

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  • Accessing a dictionary value by custom object value in Python?

    - by Sam
    So I have a square that's made up of a series of points. At every point there is a corresponding value. What I want to do is build a dictionary like this: class Point: def __init__(self, x, y): self._x = x self._y = y square = {} for x in range(0, 5): for y in range(0, 5): point = Point(x,y) square[point] = None However, if I later create a new point object and try to access the value of the dictionary with the key of that point it doesn't work.. square[Point(2,2)] Traceback (most recent call last): File "<pyshell#19>", line 1, in <module> square[Point(2,2)] KeyError: <__main__.Point instance at 0x02E6C378> I'm guessing that this is because python doesn't consider two objects with the same properties to be the same object? Is there any way around this? Thanks

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  • compiling cocos3d 0.7.2 with Xcode5 error

    - by jimmy
    I tried to compile my cocos3d 0.7.2 project with xcode5. I am already stuck at the first error I get with the line “super.parent = aNode;” in CC3ParametricMeshNodes.m. this line is in the setParent function: -(void) setParent: (CC3Node*) aNode { super.parent = aNode; [self deriveNameFrom: aNode]; if ( !mesh ) self.box = self.parentBoundingBox; } and the error I get is: CC3ParametricMeshNodes.m:246:15: Assignment to readonly property I am sure that there will be other errors after this one is fixed. Is there any topic on common errors that occur while compiling cocos3d 0.7.2 with Xcode5? Thanks

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  • HowTo init Django model, before using it?

    - by mosg
    Hi. I'm new to python and django. Apps | Versions: Python 2.6.2 Django (working with PostgreSQL) Question: I wrote a simple model: class OperationType(models.Model): eid = models.IntegerField(unique=True) name = models.CharField(max_length=64) def __unicode__(self): tpl = 'eid="', str(self.eid), '" name="', self.name, '"' return ''.join(tpl) Now I need to initialize it, for example with this data: 0, "None" 1, "Add" 2, "Edit" 3, "Delete" But I need to initialize this data not with admin web panel, but after class model created in the same code. How to do this? Thanks for help!

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  • Thread 1: Program received signal:"Sigbart"

    - by user813678
    When i try to run my app on my iPhone, I get " Thread 1: Program received signal:"Sigbart" xCode say that points to [self.navigationController pushViewController:detailViewController animated:YES]; import "RootViewController.h" import "global.h" import "golfbaner.h" @implementation RootViewController @synthesize banenavn; (void)viewDidLoad { [super viewDidLoad]; NSArray *temp = [[NSArray alloc] initWithObjects: @"Alsten Golfklubb", @"Arendal og Omegn Golfklubb", @"Asker Golfklubb", @"Askim Golfklubb", @"Atlungstad Golfklubb", @"Aurskog Golfpark", @"Ballerud Golfklubb", @"Bamble Golfklubb", @"Bergen Golfklubb", @"Bjorli Golfklubb", @"Bjørnefjorden Golfklubb", @"Bjaavann Golfklubb", @"Bodø Golfbane", @"Borre Golfbane", @"Borregaard Golfklubb", @"Brønnøysund Golfklubb", @"Byneset Golfklubb", @"Bærum Golfklubb", @"Drammen Golfklubb", @"Drøbak Golfklubb", @"Egersund Golfklubb", @"Eidskog Golfklubb", @"Eiker Golfklubb", @"Ekholt Golfklubb", @"Elverum Golfklubb", @"Fana Golfklubb", @"Fet Golfklubb", @"Frosta Golfklubb", @"Geilo Golfklubb", @"Giske Golfklubb", @"Gjerdrum Golfpark", @"Gjersjøen Golfklubb", @"Gjøvik og Toten Golfklubb", @"Gran Golfklubb", @"Grenland Golfklubb", @"Grimstad Golfklubb", @"Grini Golfklubb", @"Groruddalen Golfklubb", @"Grønmo Golfklubb", @"Hafjell Golfklubb", @"Haga Golfpark", @"Hakadal Golfklubb", @"Halden Golfklubb", @"Hallingdal Golfklubb", @"Hammerfest og Kvalsund Golfklubb", @"Hardanger Golfklubb", @"Harstad Golfklubb", @"Haugaland Golfklubb", @"Hauger Golf", @"Haugesund Golfklubb", @"Helgeland Golfklubb", @"Hemsedal Golfklubb", @"Herdla Golfklubb", @"Hitra Golfklubb", @"Hof Golfklubb", @"Holtsmark Golfklubb", @"Hovden Golfklubb", @"Hurum Golfklubb", @"Huseby og Hankø Golfklubb", @"Hvaler Golfklubb", @"Hvam Golfklubb", @"Jæren Golfklubb", @"Karasjok Golfklubb", @"Karmøy Golfklubb", @"Kjekstad Golfklubb", @"Klæbu Golfklubb", @"Kongsberg Golfklubb", @"Kongsvinger Golfklubb", @"Kragerø Golfklubb", @"Kristiansand Golfklubb", @"Kristiansund og Omegn Golfklubb", @"Krokhol Golfklubb", @"Kvinesdal og Omegn Golfklubb", @"Kvinnherad Golfklubb", @"Kvitfjell", @"Larvik Golfklubb", @"Lillehammer Golf Park", @"Lillestrøm Golfklubb", @"Lofoten Golf Links", @"Lommedalen Golfklubb", @"Losby Golfklubb", @"Lærdal Golfklubb", @"Lønne Golfklubb", @"Mandal Golfklubb", @"Meland Golfklubb", @"Midt-Troms Golfklubb", @"Miklagard Golfklubb", @"Mjøsen Golfklubb", @"Moa Golfklubb", @"Modum Golfklubb", @"Molde Golfklubb", @"Moss og Rygge Golfklubb", @"Mørk Golfklubb", @"Namdal Golfklubb", @"Namsos Golfklubb", @"Narvik Golfklubb", @"Nes Golfklubb", @"Nittedal Golfklubb", @"Nordfjord Golfklubb", @"Nordvegen Golfklubb", @"Norefjell Golfklubb", @"Norsjø og Omegn Golfklubb", @"North Cape Golf Club", @"Nærøysund Golfklubb", @"Nøtterøy Golfklubb", @"Odda Golfklubb", @"Ogna Golfklubb", @"Onsøy Golfklubb", @"Oppdal Golfklubb", @"Oppegård Golfklubb", @"Oslo Golfklubb", @"Oustøen Country Club", @"Polarsirkelen Golf", @"Preikestolen Golfklubb", @"Randaberg Golfklubb", @"Randsfjorden Golfklubb", @"Rauma Golfklubb", @"Re Golfklubb", @"Ringerike Golfklubb", @"Rygge Flystasjon Golf Club", @"Røros Golfklubb", @"Salten Golfklubb", @"Sandane Golfklubb", @"Sande Golfklubb", @"Sandefjord Golfklubb", @"Sandnes Golfklubb", @"Sauda Golfklubb", @"Selbu Golfklubb", @"Selje Golfklubb", @"Setesdal Golfklubb", @"Skei Golfklubb", @"Ski Golfklubb", @"Skjeberg Golfklubb", @"Smøla Golfklubb", @"Sola Golfklubb", @"Solastranden Golfklubb", @"Solum Golfklubb", @"Soon Golfklubb", @"Sorknes Golfklubb", @"Sotra Golfklubb", @"Stavanger Golfklubb", @"Steinkjer Golfklubb", @"Stiklestad Golfklubb", @"Stjørdal Golfklubb", @"Stord Golfklubb", @"Stranda Golfklubb", @"Stryn Golfklubb", @"Sunndal Golfklubb", @"Sunnfjord Golfklubb", @"Sunnmøre Golfklubb", @"Surnadal Golfklubb", @"Tjøme Golfklubb", @"Tromsø Golfklubb", @"Trondheim Golfklubb", @"Trysil Golfklubb", @"Tyrifjord Golfklubb", @"Ullensaker Golfklubb", @"Valdres Golfklubb", @"Vanylven Golfklubb", @"Varanger Golfklubb", @"Vesterålen Golfklubb", @"Vestfold Golfklubb", @"Vildmarken Golfklubb", @"Volda Golfklubb", @"Voss Golfklubb", @"Vrådal Golfklubb", @"Østmarka Golfklubb", @"Øya Golfpark", @"Ålesund Golfklubb", nil]; self.banenavn = temp; [temp release]; self.title = @"Golfbaner i Norge"; self.navigationController.navigationBar.barStyle = UIBarStyleBlackTranslucent; } (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; } (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; } (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; } (void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:animated]; } /* // Override to allow orientations other than the default portrait orientation. - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations. return (interfaceOrientation == UIInterfaceOrientationPortrait); } */ // Customize the number of sections in the table view. - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [banenavn count]; } // Customize the appearance of table view cells. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } cell.textLabel.text = [banenavn objectAtIndex:indexPath.row]; return cell; } /* // Override to support conditional editing of the table view. - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath { // Return NO if you do not want the specified item to be editable. return YES; } */ /* // Override to support editing the table view. - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { if (editingStyle == UITableViewCellEditingStyleDelete) { // Delete the row from the data source. [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade]; } else if (editingStyle == UITableViewCellEditingStyleInsert) { // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view. } } */ /* // Override to support rearranging the table view. - (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath { } */ /* // Override to support conditional rearranging of the table view. - (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath { // Return NO if you do not want the item to be re-orderable. return YES; } */ (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { golf = [banenavn objectAtIndex:indexPath.row]; golfbaner *detailViewController = [[golfbaner alloc] initWithNibName:@"Golfbaner" bundle:nil]; [self.navigationController pushViewController:detailViewController animated:YES]; [detailViewController release]; } (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Relinquish ownership any cached data, images, etc that aren't in use. } (void)viewDidUnload { [super viewDidUnload]; // Relinquish ownership of anything that can be recreated in viewDidLoad or on demand. // For example: self.myOutlet = nil; } (void)dealloc { [super dealloc]; } @end

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  • Ios Parse Login

    - by user3806600
    I am programming an IOS app that will use parse to login a user. Using storyboard I have the login button connected to another view controller with the push segue. Whether the username and password are correct the button selection always goes to the new view controller. I might be doing this all wrong. Any help is appreciated. Here is my code: - (IBAction)signIn:(id)sender { [PFUser logInWithUsernameInBackground:self.emailField.text password:self.passwordField.text block:^(PFUser *user, NSError *error) { if (!error) { [self performSegueWithIdentifier:@"signIn" sender:nil]; } else { // The login failed. Check error to see why. } }]; }

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  • How to add uitoolbar to uitableviewcontroller?

    - by Jakub
    I have an UITableViewController which I would like to add UIToolbar to with one button. In the - (void)viewDidLoad; method of UITableViewController I have: - (void)viewDidLoad { [super viewDidLoad]; UIBarButtonItem *button = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(pressButton1:)]; self.navigationItem.title = @"Some title"; self.navigationItem.leftBarButtonItem = button; } Unfortunately I don't see the toolbar when I run my app. Any hints? Should I do something more?

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  • When to use a module, and when to use a class

    - by Matt Briggs
    I am currently working through the Gregory Brown Ruby Best Practices book. Early on, he is talking about refactoring some functionality from helper methods on a related class, to some methods on module, then had the module extend self. Hadn't seen that before, after a quick google, found out that extend self on a module lets methods defined on the module see each other, which makes sense. Now, my question is when would you do something like this module StyleParser extend self def process(text) ... end def style_tag?(text) ... end end and then refer to it in tests with @parser = Prawn::Document::Text::StyleParser as opposed to just using a class with some class methods on it? is it so that you can use it as a mixin? or are there other reasons I'm not seeing?

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  • Would this hack for per-object permissions in django work?

    - by Edward
    According to the documentation, a class can have the meta option permissions, described as such: Options.permissions Extra permissions to enter into the permissions table when creating this object. Add, delete and change permissions are automatically created for each object that has admin set. This example specifies an extra permission, can_deliver_pizzas: permissions = (("can_deliver_pizzas", "Can deliver pizzas"),) This is a list or tuple of 2-tuples in the format (permission_code, human_readable_permission_name). Would it be possible to define permissions at run time by: permissions = (("can_access_%s" % self.pk, / "Has access to object %s of type %s" % (self.pk,self.__name__)),) ?

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  • presentViewController or presentModalViewController not supporting orientation in iOS 6

    - by Prateek
    I am new to this technology. I am using this code if ([self respondsToSelector:@selector(presentViewController:animated:completion:)]) { [self presentViewController:navigationControllerCustom animated:YES completion:nil]; } else { [self presentModalViewController:navigationControllerCustom animated:YES]; } My application has two orientation Portrait and Portrait upside down. This code works well with iOS 5.1, but orientation does not work on iOS 6 I have also added this code on my navigationControllerCustom class - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return (interfaceOrientation == UIInterfaceOrientationPortrait || interfaceOrientation == UIInterfaceOrientationPortraitUpsideDown); } -(NSUInteger)supportedInterfaceOrientations { return (UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskPortraitUpsideDown); } Please help me to solve this issue. Thanks in advance.

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  • NSThread running a class

    - by Thomas Joulin
    Hi, Every the example I find on the internet (including Apple doc) sets the target to self like this : [NSThread detachNewThreadSelector:@selector(threadedTask) toTarget:self withObject:nil]; Since i would like to do a more complex task in background (involving multiple methods), I thought of creating a class Task called like this : Task *task = [[Task alloc] init]; [NSThread detachNewThreadSelector:@selector(main) toTarget:task withObject:nil]; but I wonder, how will be handled the instance variables of my class Task ? in my method main can I safely call methods of my class Task using [self myMethod] and modifying members variables assuming I'm the only thread accessing it ? This way of handling threads seems weird to me, sorry if my question is stupid ^^ Thanks in advance

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  • How to transform (rotate) a already exist CALayer/animation?

    - by Flocked
    Hello, I have added a CALayer to the UIView of my app: CATransition *animation = [CATransition animation]; [animation setDelegate:self]; [animation setDuration:0.35]; [animation setTimingFunction:UIViewAnimationCurveEaseInOut]; animation.type = @"pageCurl"; animation.fillMode = kCAFillModeForwards; animation.endProgress = 0.58; [animation setRemovedOnCompletion:NO]; [[self.view layer] addAnimation:animation forKey:@"pageCurlAnimation"]; Now when the user rotates the device, the layer always stays in the same position on the screen (in line to the homescreen button). Is it possible to rotate the animation/layer? I tried self.view.layer.transform = CGAffineTransformMakeRotation (angle); but this code just rotates the UIView and not the animation/layer I set.

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  • iOS4.2: TouchBegan does not draw more then one circle per sensed touch

    - by Christian
    Hi all, quick question (which might be a no-brainer for most here) :) My code below should draw a circle for every time touch that is recognised but although more than ones touches are sensed only one circle will drawn up at a time. Can anyone see any obvious issues? This method sits in the XYZViewControler.m class. TouchPoint.m is the class that defines the circle. Thanks a bundle for your help and redirects. Chris - (void) touchesBegan: (NSSet *) touches withEvent: (UIEvent *)event { NSSet * allTouches = [event allTouches]; // get all events for (UITouch * touch in touches) { TouchPoint * touchPoint = [[TouchPoint alloc] initWithFrame:CGRectMake(0, 0, circleWidth, circleWidth)]; touchPoint.center = [touch locationInView:[self view]]; touchPoint.color = [UIColor redColor]; touchPoint.backgroundColor = [UIColor whiteColor]; [[self view] addSubview: touchPoint]; [touchPoint release]; CFDictionarySetValue(touchMap, touch , touchPoint); } [[self view] setNeedsDisplay]; }

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  • problems with unpickling a 80 megabyte file in python

    - by tipu
    I am using the pickle module to read and write large amounts of data to a file. After writing to the file a 80 megabyte pickled file, I load it in a SocketServer using class MyTCPHandler(SocketServer.BaseRequestHandler): def handle(self): print("in handle") words_file_handler = open('/home/tipu/Dropbox/dev/workspace/search/words.db', 'rb') words = pickle.load(words_file_handler) tweets = shelve.open('/home/tipu/Dropbox/dev/workspace/search/tweets.db', 'r'); results_per_page = 25 query_details = self.request.recv(1024).strip() query_details = eval(query_details) query = query_details["query"] page = int(query_details["page"]) - 1 return_ = [] booleanquery = BooleanQuery(MyTCPHandler.words) if query.find("(") > -1: result = booleanquery.processAdvancedQuery(query) else: result = booleanquery.processQuery(query) result = list(result) i = 0 for tweet_id in result and i < 25: #return_.append(MyTCPHandler.tweets[str(tweet_id)]) return_.append(tweet_id) i += 1 self.request.send(str(return_)) However the file never seems to load after the pickle.load line and it eventually halts the connection attempt. Is there anything I can do to speed this up?

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  • How do I mock a custom field that is deleted so that south migrations run?

    - by muhuk
    I have removed an app that contained a couple of custom fields from my project. Now when I try to run my migrations I get ImportError, naturally. These fields were very basic customizations like below: from django.db.models.fields import IntegerField class SomeField(IntegerField): def get_internal_type(self): return "SomeField" def db_type(self, connectio=None): return 'integer' def clean(self, value): # some custom cleanup pass So, none of them contain any database level customizations. When I removed this code, I've created migrations so the subsequent migration all ran fine. But when I try to run them on a pre-deletion database I realized my mistake. I can re-create a bare-bones app and make these imports work, but Ideally I would like to know if South has a mechanism to resolve these issues? Or is there any best practises? It would be cool if I could solve these issues just by modifying my migrations and not touching the codebase. (Django 1.3, South 0.7.3)

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  • Edit the opposite side of a many to many relationship with django generic form

    - by Ed
    I have two models: class Actor(models.Model): name = models.CharField(max_length=30, unique = True) event = models.ManyToManyField(Event, blank=True, null=True) class Event(models.Model): name = models.CharField(max_length=30, unique = True) long_description = models.TextField(blank=True, null=True) In a previous question: http://stackoverflow.com/questions/2503243/django-form-linking-2-models-by-many-to-many-field, I created an EventForm with a save function: class EventForm(forms.ModelForm): class Meta: model = Event def save(self, commit=True): instance = forms.ModelForm.save(self) instance.actors_set.clear() for actor in self.cleaned_data['actors']: instance.actors_set.add(actors) return instance This allowed me to add m2m links from the other side of the defined m2m connection. Now I want to edit the entry. I've been using a generic function: def generic_edit(request, modelname, object_id): modelname = modelname.lower() form_class = form_dict[modelname] return update_object(request, form_class = form_class, object_id = object_id, template_name = 'createdit.html' ) but this pulls in all the info except the many-to-many selections saved to this object. I think I need to do something similar to this: http://stackoverflow.com/questions/1700202/editing-both-sides-of-m2m-in-admin-page, but I haven't figured it out. How do I use the generic update_object to edit the other side of many-to-many link?

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  • In Ruby, can the coerce() method know what operator it is that requires the help to coerce?

    - by Jian Lin
    In Ruby, it seems that a lot of coerce() help can be done by def coerce(something) [self, something] end that's is, when 3 + rational is needed, Fixnum 3 doesn't know how to handle adding a Rational, so it asks Rational#coerce for help by calling rational.coerce(3), and this coerce instance method will tell the caller: # I know how to handle rational + something, so I will return you the following: [self, something] # so that now you can invoke + on me, and I will deal with Fixnum to get an answer So what if most operators can use this method, but not when it is (a - b) != (b - a) situation? Can coerce() know which operator it is, and just handle those special cases, while just using the simple [self, something] to handle all the other cases where (a op b) == (b op a) ? (op is the operator).

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  • Dajano admin site foreign key fields

    - by user292652
    hi i have the following models setup class Player(models.Model): #slug = models.slugField(max_length=200) Player_Name = models.CharField(max_length=100) Nick = models.CharField(max_length=100, blank=True) Jersy_Number = models.IntegerField() Team_id = models.ForeignKey('Team') Postion_Choices = ( ('M', 'Manager'), ('P', 'Player'), ) Poistion = models.CharField(max_length=1, blank=True, choices =Postion_Choices) Red_card = models.IntegerField( blank=True, null=True) Yellow_card = models.IntegerField(blank=True, null=True) Points = models.IntegerField(blank=True, null=True) #Pic = models.ImageField(upload_to=path/for/upload, height_field=height, width_field=width, max_length=100) class PlayerAdmin(admin.ModelAdmin): list_display = ('Player_Name',) search_fields = ['Player_Name',] admin.site.register(Player, PlayerAdmin) class Team(models.Model): """Model docstring""" #slug = models.slugField(max_length=200) Team_Name = models.CharField(max_length=100,) College = models.CharField(max_length=100,) Win = models.IntegerField(blank=True, null=True) Loss = models.IntegerField(blank=True, null=True) Draw = models.IntegerField(blank=True, null=True) #logo = models.ImageField(upload_to=path/for/upload, height_field=height, width_field=width, max_length=100) class Meta: pass #def __unicode__(self): # return Team_Name #def save(self, force_insert=False, force_update=False): # pass @models.permalink def get_absolute_url(self): return ('view_or_url_name') class TeamAdmin(admin.ModelAdmin): list_display = ('Team_Name',) search_fields = ['Team_Name',] admin.site.register(Team, TeamAdmin) my question is how do i get to the admin site to show Team_name in the add player form Team_ID field currently it is only showing up as Team object in the combo box

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