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  • UINavigationBar is getting buttons from another view

    - by Rafael Oliveira
    I have three Views, Splash, Login and List. From Splash I just wait and then Push Login View, with the Navigation Bar hidden. In Login I Show the NavigationBar, hide the BackButton1 and add a new RightButton1, then I check if Settings.bundle "login" and "pass" are set. If so, I push List View. Otherwise I stay in the Login view waiting for the user to fill the form and press a button. In List View I add a new RightButton2 and a new BackButton2. The problem is that if Settings.bundle data is not null, and in Login View I quickly push List View the RightButton1 appears in List View, or no buttons appear at all, or only BackButton2 doesn't appear... The most strange thing of all is that everything was OK and all of sudden it started to get messy. Login View: // Making the Navigation Bar Visible [self.navigationController setNavigationBarHidden:NO animated:NO]; // Hiding the Back Button in THIS view (Login) [self.navigationItem setHidesBackButton:YES]; // Inserting the Logout Button for the Next View (List) UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"Logout" style:UIBarButtonItemStylePlain target:nil action:nil]; self.navigationItem.backBarButtonItem = backButton; [backButton release]; UIBarButtonItem* newAccountButton = [[UIBarButtonItem alloc] initWithTitle:@"New Account" style:UIBarButtonItemStylePlain target:self action:@selector(newAccountButtonPressed)]; self.navigationItem.rightBarButtonItem = newAccountButton; [newAccountButton release]; List View // Making the Navigation Bar Visible [self.navigationController setNavigationBarHidden:NO animated:NO]; UIBarButtonItem* aboutButton = [[UIBarButtonItem alloc] initWithTitle:@"About" style:UIBarButtonItemStylePlain target:self action:@selector(aboutButtonPressed)]; self.navigationItem.rightBarButtonItem = aboutButton; [aboutButton release]; Any ideas ?

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  • Sizers... - wxPython

    - by Francisco Aleixo
    Ok, so I'm learning about sizers in wxPython and I was wondering if it was possible to do something like: ============================================== |WINDOW TITLE _ [] X| |============================================| |xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx| |xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx| |xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx| |xxxxxxxxxxxxxxxxxxNOTEBOOKxxxxxxxxxxxxxxxxxx| |xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx| |xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx| |xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx| |________ ___________| |IMAGE | |LoginForm | |________| |___________| ============================================== NOTE:Yeah, I literally got this from http://stackoverflow.com/questions/1892110/wxpython-picking-the-right-sizer-to-use-in-an-application With NOTEBOOK expanded to left and bottom, IMAGE to align to left and bottom and loginform align to right and bottom and I managed to do almost everything but now I have a problem.. The problem is that I can't align Loginform and Image separately (im using Box Sizers), and I would like to. This is the code I'm using that is causing the problem at the moment, any help is appreciated. NOTE:The code might be (HUGELY) sloppy as I'm still learning box sizers. sizer = wx.BoxSizer(wx.VERTICAL) sizer1 = wx.BoxSizer(wx.HORIZONTAL) sizer1.Add(self.nb,1, wx.EXPAND) sizer.Add(sizer1,1, wx.LEFT | wx.RIGHT | wx.EXPAND, 10) sizer.Add((-1, 25)) sizer2 = wx.BoxSizer(wx.VERTICAL) sizer2.Add(self.userLabel, 0) sizer2.Add(self.userText, 0) sizer2.Add(self.pwdLabel, 0) sizer2.Add(self.pwdText, 0) sizer2.Add(self.rem, 0) sizer3 = wx.BoxSizer(wx.HORIZONTAL) sizer3.Add(self.login, 0) sizer3.Add(self.sair,0, wx.LEFT, 5) sizer2.Add(sizer3, 0) sizer4 = wx.BoxSizer(wx.HORIZONTAL) sizer4.Add(image, 1, wx.LEFT | wx.BOTTOM) sizer4.Add(sizer2,0, wx.RIGHT | wx.BOTTOM , 5) sizer.Add(sizer4,0, wx.ALIGN_RIGHT | wx.RIGHT, 10)

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  • UITableView and SearchBar problem

    - by dododedodonl
    Hi all, I'm trying to add a Search bar to my UITableView. I followed this tutorial: http://clingingtoideas.blogspot.com/2010/02/uitableview-how-to-part-2-search.html. I'm getting this error if I type a letter in the search box: Rooster(10787,0xa05ed4e0) malloc: *** error for object 0x3b5f160: double free *** set a breakpoint in malloc_error_break to debug. This error occurs here: - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString { [self handleSearchForTerm:searchString]; return YES; } (on the second line) - (void)handleSearchForTerm:(NSString *)searchTerm { [self setSavedSearchTerm:searchTerm]; if ([self searchResults] == nil) { NSMutableArray *array = [[NSMutableArray alloc] init]; [self setSearchResults:array]; [array release]; } //Empty the searchResults array [[self searchResults] removeAllObjects]; //Check if the searchTerm doesn't equal zero... if ([[self savedSearchTerm] length] != 0) { //Search the whole tableList (datasource) for (NSString *currentString in tableList) { NSString *klasString = [[NSString alloc] init]; NSInteger i = [[leerlingNaarKlasList objectAtIndex:[tableList indexOfObject:currentString]] integerValue]; if(i != -1) { klasString = [klassenList objectAtIndex:(i - 1)]; } //Check if the string matched or the klas (group of school) if ([currentString rangeOfString:searchTerm options:NSCaseInsensitiveSearch].location != NSNotFound || [klasString rangeOfString:searchTerm options:NSCaseInsensitiveSearch].location != NSNotFound) { //Add to results [[self searchResults] addObject:currentString]; //Save the klas (group of school). It has the same index as the result (lastname) NSString *strI = [[NSString alloc] initWithFormat:@"%i", i]; [[self searchResultsLeerlingNaarKlas] addObject:strI]; [strI release]; } [klasString release]; } } } Can someone help me out? Regards, Dodo

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  • Bitbucket API authentication with Python's HTTPBasicAuthHandler

    - by jbochi
    I'm trying to get the list of issues on a private repository using bitbucket's API. I have confirmed that HTTP Basic authentication works with hurl, but I am unable to authenticate in Python. Adapting the code from this tutorial, I have written the following script. import cookielib import urllib2 class API(): api_url = 'http://api.bitbucket.org/1.0/' def __init__(self, username, password): self._opener = self._create_opener(username, password) def _create_opener(self, username, password): cj = cookielib.LWPCookieJar() cookie_handler = urllib2.HTTPCookieProcessor(cj) password_manager = urllib2.HTTPPasswordMgrWithDefaultRealm() password_manager.add_password(None, self.api_url, username, password) auth_handler = urllib2.HTTPBasicAuthHandler(password_manager) opener = urllib2.build_opener(cookie_handler, auth_handler) return opener def get_issues(self, username, repository): query_url = self.api_url + 'repositories/%s/%s/issues/' % (username, repository) try: handler = self._opener.open(query_url) except urllib2.HTTPError, e: print e.headers raise e return handler.read() api = API(username='my_username', password='XXXXXXXX') api.get_issues('my_username', 'my_repository') results in: >>> Server: nginx/0.7.62 Date: Mon, 19 Apr 2010 16:15:06 GMT Content-Type: text/plain Connection: close Vary: Authorization,Cookie Content-Length: 9 Traceback (most recent call last): File "C:/USERS/personal/bitbucket-burndown/bitbucket-api.py", line 29, in <module> print api.get_issues('my_username', 'my_repository') File "C:/USERS/personal/bitbucket-burndown/bitbucket-api.py", line 25, in get_issues raise e HTTPError: HTTP Error 401: UNAUTHORIZED api.get_issues('jespern', 'bitbucket') works like a charm. What's wrong with my code?

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  • What is the best way to move a UIToolbar?

    - by Ferdinand Rios
    Here is an interesting problem. On the iPhone, I have a view set up that has a toolbar on the bottom of the screen. I am currently trying to make this a universal app so that it runs on iPad as well. I would like the toolbar to be at the top of the iPad screen, so in the viewDidLoad method of the specific viewController I have the following code. if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) { //move the toolbar to the top of the page and move the webview down by the height of the toolbar CGRect toolBarFrame = self.aToolBar.frame; CGRect webFrame = self.aWebView.frame; webFrame.origin.y = toolBarFrame.size.height; [self.aWebView setFrame:webFrame]; toolBarFrame.origin.y = 0; [self.aToolBar setFrame:toolBarFrame]; [Utils errorString:[NSString stringWithFormat:@"origen: x=%f y=%f", self.aToolBar.frame.origin.x, self.aToolBar.frame.origin.y]]; [Utils errorString:[NSString stringWithFormat:@"origen: x=%f y=%f", self.aWebView.frame.origin.x, self.aWebView.frame.origin.y]]; } The problem I am having is that the webView moves down fine, but the toolbar only moves up to about what seems to be the height of a iPhone screen. The call to errorString tells me that the webView's origin is at 0,44 (where it should be) and that the toolbar's origin is at 0,0, but it is actually somewhere in the middle of the screen! Anybody have a clue what is going on here?

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  • getting memory allocation at ActivityIndicator in Iphone sdk

    - by monish
    Hi Guys, Here Im gettimg memory allocation problem at activity indicator and My code is: - (id)init { if (self = [super init]) { self.title=@"Release Details"; contentView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; contentView.backgroundColor = [UIColor clearColor]; self.view = contentView; [contentView release]; CGRect frame = CGRectMake(0,0, 320,1500); containerView = [[UIView alloc] initWithFrame:frame]; webView = [ [UIWebView alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; webView.backgroundColor = [UIColor colorWithPatternImage: [UIImage imageNamed:@"background1.png"]]; webView.delegate = self; [containerView addSubview:webView]; CGRect activityViewframe = CGRectMake(20,8,20, 20); progressInd = [[UIActivityIndicatorView alloc] initWithFrame:activityViewframe]; progressInd.activityIndicatorViewStyle = UIActivityIndicatorViewStyleWhite; progressInd.autoresizingMask = (UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin); [containerView addSubview:progressInd]; [progressInd startAnimating]; progressInd.hidden = NO; [progressInd stopAnimating]; [self.view addSubview:containerView]; isFetch=YES; } return self; } -(void) displayInProgressRightBarButton { UIView* rightBarButtonView = [ [UIView alloc] initWithFrame:CGRectMake(270,5,45, 35)]; [rightBarButtonView addSubview:progressInd]; UIBarButtonItem* buttonItem = [[UIBarButtonItem alloc] initWithCustomView:rightBarButtonView]; self.navigationItem.rightBarButtonItem = buttonItem; [rightBarButtonView release]; [buttonItem release]; } - (void)webViewDidStartLoad:(UIWebView *)webView { [self displayInProgressRightBarButton]; [progressInd startAnimating]; [UIApplication sharedApplication].networkActivityIndicatorVisible = YES; } - (void)webViewDidFinishLoad:(UIWebView *)webView { [progressInd stopAnimating]; [UIApplication sharedApplication].networkActivityIndicatorVisible = NO; } Also I released the progressInd in dealloc eventhough it showing memory allocation at progressInd = [[UIActivityIndicatorView alloc] initWithFrame:activityViewframe]; in init. can anyone help me to solve this. Anyone's help will be much Appreciated. Thank you, Monish.

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  • Django1.1 model field value preprocessing before returning

    - by Satoru.Logic
    Hi, all. I have a model class like this: class Note(models.Model): author = models.ForeignKey(User, related_name='notes') content = NoteContentField(max_length=256) NoteContentField is a custom sub-class of CharField that override the to_python method in purpose of doing some twitter-text-conversion processing. class NoteContentField(models.CharField): __metaclass__ = models.SubfieldBase def to_python(self, value): value = super(NoteContentField, self).to_python(value) from ..utils import linkify return mark_safe(linkify(value)) However, this doesn't work. When I save a Note object like this: note = Note(author=request.use, content=form.cleaned_data['content']) note.save() The conversed value is saved into the database, which is not what I wanna see. What I'm trying to do is to save the raw content into the database, and only make the conversion when the content attribute is later accessed. Would you please tell me what's wrong with this? Thanks to Pierre and Daniel. I have figured out what's wrong. I thought the text-conversion code should be in either to_python or get_db_prep_value, and that's wrong. I should override both of them, make to_python do the conversion and get_db_prep_value return the unconversed value: from ..utils import linkify class NoteContentField(models.CharField): __metaclass__ = models.SubfieldBase def to_python(self, value): self._raw_value = super(NoteContentField, self).to_python(value) return mark_safe(linkify(self._raw_value)) def get_db_prep_value(self, value): return self._raw_value I wonder if there is a better way to implement this?

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  • CharField values disappearing after save (readonly field)

    - by jamida
    I'm implementing simple "grade book" application where the teacher would be able to update the grades w/o being allowed to change the students' names (at least not on the update grade page). To do this I'm using one of the read-only tricks, the simplest one. The problem is that after the SUBMIT the view is re-displayed with 'blank' values for the students. I'd like the students' names to re-appear. Below is the simplest example that exhibits this problem. (This is poor DB design, I know, I've extracted just the relevant parts of the code to showcase the problem. In the real example, student is in its own table but the problem still exists there.) models.py class Grade1(models.Model): student = models.CharField(max_length=50, unique=True) finalGrade = models.CharField(max_length=3) class Grade1OForm(ModelForm): student = forms.CharField(max_length=50, required=False) def __init__(self, *args, **kwargs): super(Grade1OForm,self).__init__(*args, **kwargs) instance = getattr(self, 'instance', None) if instance and instance.id: self.fields['student'].widget.attrs['readonly'] = True self.fields['student'].widget.attrs['disabled'] = 'disabled' def clean_student(self): instance = getattr(self,'instance',None) if instance: return instance.student else: return self.cleaned_data.get('student',None) class Meta: model=Grade1 views.py from django.forms.models import modelformset_factory def modifyAllGrades1(request): gradeFormSetFactory = modelformset_factory(Grade1, form=Grade1OForm, extra=0) studentQueryset = Grade1.objects.all() if request.method=='POST': myGradeFormSet = gradeFormSetFactory(request.POST, queryset=studentQueryset) if myGradeFormSet.is_valid(): myGradeFormSet.save() info = "successfully modified" else: myGradeFormSet = gradeFormSetFactory(queryset=studentQueryset) return render_to_response('grades/modifyAllGrades.html',locals()) template <p>{{ info }}</p> <form method="POST" action=""> <table> {{ myGradeFormSet.management_form }} {% for myform in myGradeFormSet.forms %} {# myform.as_table #} <tr> {% for field in myform %} <td> {{ field }} {{ field.errors }} </td> {% endfor %} </tr> {% endfor %} </table> <input type="submit" value="Submit"> </form>

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  • GAE - Getting TypeError requiring class instance be passed to class's own method...

    - by Spencer Leland
    I'm really new to programming... I set up a class to give supporting information for Google's User API user object. I store this info in the datastore using db.model. When I call the okstatus method of my user_info class using this code: elif user_info.okstatus(user): self.response.out.write("user allowed") I get this error: unbound method okstatus() must be called with user_info instance as first argument (got User instance instead) Here is my user_info class. class user_info: def auth_ctrlr(self, user): if self.status(user) == status_allowed: return ("<a href=\"%s\">Sign Out</a>)" % (users.create_login_url("/"))) else: return ("<a href=\"%s\">Sign In or Get an Account</a>)" % (users.create_logout_url("/"))) def status(self, user): match = sub_user.gql(qu_by_user_id, user.user_id) return match.string_status def group(self, user): match = sub_user.gql(qu_by_user_id, user.user_id) grp = group_names.gql(qu_by_user_id, match.groupID) return grp def okstatus(self, user): match = self.status(user) if match == status_allowed: return True My understanding is that the argument "self" inside the method's calling arguments describes it as a child to the class. I've tried everything I can think of and can't find any related info online. Can someone please tell me what I'm doing wrong? Thanks

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  • How is the 'is' keyword implemented in Python?

    - by Srikanth
    ... the is keyword that can be used for equality in strings. >>> s = 'str' >>> s is 'str' True >>> s is 'st' False I tried both __is__() and __eq__() but they didn't work. >>> class MyString: ... def __init__(self): ... self.s = 'string' ... def __is__(self, s): ... return self.s == s ... >>> >>> >>> m = MyString() >>> m is 'ss' False >>> m is 'string' # <--- Expected to work False >>> >>> class MyString: ... def __init__(self): ... self.s = 'string' ... def __eq__(self, s): ... return self.s == s ... >>> >>> m = MyString() >>> m is 'ss' False >>> m is 'string' # <--- Expected to work, but again failed False >>> Thanks for your help!

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  • Q on Python serialization/deserialization

    - by neil
    What chances do I have to instantiate, keep and serialize/deserialize to/from binary data Python classes reflecting this pattern (adopted from RFC 2246 [TLS]): enum { apple, orange } VariantTag; struct { uint16 number; opaque string<0..10>; /* variable length */ } V1; struct { uint32 number; opaque string[10]; /* fixed length */ } V2; struct { select (VariantTag) { /* value of selector is implicit */ case apple: V1; /* VariantBody, tag = apple */ case orange: V2; /* VariantBody, tag = orange */ } variant_body; /* optional label on variant */ } VariantRecord; Basically I would have to define a (variant) class VariantRecord, which varies depending on the value of VariantTag. That's not that difficult. The challenge is to find a most generic way to build a class, which serializes/deserializes to and from a byte stream... Pickle, Google protocol buffer, marshal is all not an option. I made little success with having an explicit "def serialize" in my class, but I'm not very happy with it, because it's not generic enough. I hope I could express the problem. My current solution in case VariantTag = apple would look like this, but I don't like it too much import binascii import struct class VariantRecord(object): def __init__(self, number, opaque): self.number = number self.opaque = opaque def serialize(self): out = struct.pack('>HB%ds' % len(self.opaque), self.number, len(self.opaque), self.opaque) return out v = VariantRecord(10, 'Hello') print binascii.hexlify(v.serialize()) >> 000a0548656c6c6f Regards

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  • Python: puzzling behaviour inside httplib

    - by Anna
    I have added one line ( import pdb; pdb.set_trace() ) to httplib's HTTPConnection.putheader, so I can see what's going on inside. httplib.py, line 489: def putheader(self, header, value): """Send a request header line to the server. For example: h.putheader('Accept', 'text/html') """ import pdb; pdb.set_trace() if self.__state != _CS_REQ_STARTED: raise CannotSendHeader() str = '%s: %s' % (header, value) self._output(str) then ran this from the interpreter import urllib2 urllib2.urlopen('http://www.ioerror.us/ip/headers') ... and as expected PDB kicks in: > c:\python26\lib\httplib.py(858)putheader() -> if self.__state != _CS_REQ_STARTED: (Pdb) in PDB I have the luxury of evaluating expressions on the fly, so I have tried to enter self.__state: (Pdb) self.__state *** AttributeError: HTTPConnection instance has no attribute '__state' Alas, there is no __state of this instance. However when I enter step, the debugger gets past the if self.__state != _CS_REQ_STARTED: line without a problem. Why is this happening? If the self.__state doesn't exist python would have to raise an exception as it did when I entered the expression. Python version: 2.6.4 on win32

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  • Django: how to cleanup form fields and avoid code duplication

    - by Alexander Konstantinov
    Quite often I need to filter some form data before using it (saving to database etc.) Let's say I want to strip whitespaces and replace repeating whitespaces with a single one in most of the text fields, in many forms. It's not difficult to do this using clean_<fieldname> methods: # Simplified model with two text fields class MyModel(models.Model): title = models.CharField() description = models.CharField() # Model-based form class MyForm(forms.ModelForm): class Meta: model = MyModel def clean_title(self): title = self.cleaned_data['title'] return re.sub(r'\s{2,}', ' ', title.strip()) def clean_description(self): description = self.cleaned_data['description'] return re.sub(r'\s{2,}', ' ', description.strip()) It does exactly what I need, and has a nice side effect which I like: if user enters only whitespaces, the field will be considered empty and therefore invalid (if it is required) and I don't even have to throw a ValidationError. The obvious problem here is code duplication. Even if I'll create some function for that, say my_text_filter, I'll have to call it for every text field in all my forms: from myproject.filters import my_text_filter class MyForm(forms.ModelForm): class Meta: model = MyModel def clean_title(self): return my_text_filter(self.cleaned_data['title']) def clean_description(self): return my_text_filter(self.cleaned_data['description']) The question: is there any standard and simple way in Django (I use version 1.2 if that matters) to do this (like, for example, by adding property validators = {'title': my_text_filter, 'description': my_text_filter} to MyModel), or at least some more or less standard workaround? I've read about form validation and validators in the documentation, but couldn't find what I need there.

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  • Issue while adding 'Cc' Field in 'TTMessageController' (Three 20)

    - by Deepika
    Hi All I am using the TTMessageController class for compose mail.There is only 'To' recepients Field in this class. I added the Cc Field in it. I have used this code: - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) { _fields = [[NSArray alloc] initWithObjects: [[[TTMessageRecipientField alloc] initWithTitle: TTLocalizedString(@"To:", @"") required: YES] autorelease], [[[TTMessageRecipientField alloc] initWithTitle: TTLocalizedString(@"Cc:", @"") required: YES] autorelease], [[[TTMessageSubjectField alloc] initWithTitle: TTLocalizedString(@"Subject:", @"") required: NO] autorelease], nil]; self.title = TTLocalizedString(@"New Message", @""); self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] initWithTitle: TTLocalizedString(@"Cancel", @"") style: UIBarButtonItemStyleBordered target: self action: @selector(cancel)] autorelease]; self.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc] initWithTitle: TTLocalizedString(@"Send", @"") style: UIBarButtonItemStyleDone target: self action: @selector(send)] autorelease]; self.navigationItem.rightBarButtonItem.enabled = NO; } return self; } When I type anything in 'To' or 'Cc' field , two lists are appearing as search result:- One for 'To' field and second for 'Cc' Field. I want to show only one list according to 'To' or 'Cc' Field. Please suggest me any idea how can I resolve it or some other better way to implement my requirements? Thanks Deepika

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  • iPhone: contentInset isn't animating

    - by Cuzog
    In my app, I have a table view. When the user clicks a button, a UIView overlays part of that table view. It's essentially a partial modal. That table view is intentionally still scrollable while that modal is active. To allow the user to scroll to the bottom of the table view, I change the contentInset and scrollIndicatorInsets values to adjust for the smaller area above the modal. When the modal is taken away, I reset those inset values. The problem is that when the user has scrolled to the bottom of the newly adjusted inset and then dismisses the modal, the table view jumps abruptly to a new scroll position because the inset is changed instantly. I would like to animate it so there is a transition, but the beginAnimation/commitAnimations methods aren't affecting it for some reason. Any ideas as to why the values aren't getting animated? Any help is greatly appreciated! The relevant code from the table view controller is here: - (void)viewDidLoad { [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(modalOpened) name:@"ModalStartedOpening" object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(modalDismissed) name:@"ModalStartedClosing" object:nil]; [super viewDidLoad]; } - (void)modalOpened { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:0.5]; [UIView setAnimationDelegate:self]; self.tableView.contentInset = UIEdgeInsetsMake(0, 0, 201, 0); self.tableView.scrollIndicatorInsets = UIEdgeInsetsMake(0, 0, 201, 0); [UIView commitAnimations]; } - (void)modalDismissed { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:0.5]; [UIView setAnimationDelegate:self]; self.tableView.contentInset = UIEdgeInsetsMake(0, 0, 0, 0); self.tableView.scrollIndicatorInsets = UIEdgeInsetsMake(0, 0, 0, 0); [UIView commitAnimations]; }

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  • python eval weirdness

    - by amadain
    Hi Folks I have the following code in one of my classes along with checks when the code does not eval: filterParam="self.recipientMSISDN==tmpBPSS.split('_')[3].split('#')[0] and self.recipientIMSI==tmpBPSS.split('_')[3].split('#')[1]" if eval(filterParam): print "Evalled" else: print "Not Evalled\nfilterParam\n'%s'\ntmpBPSS\n'%s'\nself.recipientMSISDN\n'%s'\nself.recipientIMSI\n'%s'" % (filterParam, tmpBPSS, self.recipientMSISDN, self.recipientIMSI) I am not getting anything to 'eval'. Here are the results: Not Evalled filterParam 'self.recipientMSISDN==tmpBPSS.split('_')[3].split('#')[0] and self.recipientIMSI==tmpBPSS.split('_')[3].split('#')[1]' tmpBPSS 'bprm_DAILY_MO_919844000039#892000000' self.recipientMSISDN '919844000039' self.recipientIMSI '892000000' So I used the outputs from the above to check the code in a python shell and as you can see the code evalled correctly: >>> filterParam="recipientMSISDN==tmpBPSS.split('_')[3].split('#')[0] and recipientIMSI==tmpBPSS.split('_')[3].split('#')[1]" >>> tmpBPSS='bprm_DAILY_MO_919844000039#892000000' >>> recipientMSISDN='919844000039' >>> recipientIMSI='892000000' >>> if eval(filterParam): ... print "Evalled" ... else: ... print "Not Evalled" ... Evalled Am I off my rocker or what am I missing? A

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  • Problem draw line by Quartz 2D with alpha property < 1.0 on iPhone

    - by The Khanh
    Hello Everybody ! This code i use to draw in my app. So i have problem, if i draw with alpha property = 1. It is very good but if i change alpha property = 0.2 then my paint is not good. How do i make for better with alpha property = 0.2. http://www.flickr.com/photos/9601621@N05/page1/ Draw with alpha = 1: It is good Draw with alpha = 0.2: It is bad - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { if ([self.view superview] && (headerView.frame.origin.y == -30)) { mouseSwiped = YES; UITouch *touch = [touches anyObject]; CGPoint currentPoint = [touch locationInView:self.view]; currentPoint.y -= 20; UIGraphicsBeginImageContext(self.view.frame.size); CGContextRef context = UIGraphicsGetCurrentContext(); [drawImage.image drawInRect:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)]; CGContextSetLineCap(context, kCGLineCapRound); CGContextSetLineWidth(context, currentBrushProperty.brushSize); CGContextSetRGBStrokeColor(context, [self red], [self green], [self blue], currentBrushProperty.brushTransparency); CGContextSetRGBStrokeColor(context, 1.0, 0.0, 0.0, 1.0); CGContextBeginPath(context); CGContextMoveToPoint(context, lastPoint.x, lastPoint.y); CGContextAddLineToPoint(context, currentPoint.x, currentPoint.y); CGContextStrokePath(context); drawImage.image = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); lastPoint = currentPoint; }} Help me, please.

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  • Sound does not working in Device

    - by diana
    In my app i write for record NSArray *filePaths = NSSearchPathForDirectoriesInDomains (NSDocumentDirectory, NSUserDomainMask, YES); NSString *recordingDirectory = [filePaths objectAtIndex: 0]; NSString *resourcePath = [recordingDirectory stringByAppendingString:@"/sound.caf"]; self.soundFileURL = [NSURL fileURLWithPath:resourcePath]; AVAudioSession *audioSession = [AVAudioSession sharedInstance]; audioSession.delegate = self; [audioSession setActive: YES error: nil]; [[AVAudioSession sharedInstance] setCategory : AVAudioSessionCategoryRecorderror: nil]; NSDictionary *recordSettings = [[NSDictionary alloc] initWithObjectsAndKeys: [NSNumber numberWithFloat: 44100.0], AVSampleRateKey, [NSNumber numberWithInt: kAudioFormatAppleLossless], AVFormatIDKey, [NSNumber numberWithInt: 1], AVNumberOfChannelsKey, [NSNumber numberWithInt: AVAudioQualityMax], AVEncoderAudioQualityKey, nil]; AVAudioRecorder *newRecorder = [[AVAudioRecorder alloc] initWithURL: soundFileURL settings: recordSettings error: nil]; [recordSettings release]; self.soundRecorder = newRecorder; [newRecorder release]; soundRecorder.delegate = self; [soundRecorder prepareToRecord]; [soundRecorder record]; recording = YES; I write for stop recording [soundRecorder stop]; recording = NO; self.soundRecorder = nil; I write for play AVAudioPlayer *newPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL: self.soundFileURL error: nil]; [fileURL release]; self.player = newPlayer; [newPlayer release]; [player prepareToPlay]; [player setDelegate: self]; [button setTitle : @"Pause"forState: UIControlStateHighlighted]; [button setTitle : @"Pause"forState: UIControlStateNormal]; [player play]; In iPhone Simulator all ok I record then stop then play and all work fine. But in my iPhone device no sound. Any help will be greatly apprecieated

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  • UIWebview does not show up into UINavigationController

    - by Pato
    Hi I have a tabBar application. In the first tab, I have a navigation bar. In this navigation bar I have a table view. When the user clicks a cell of the table, it goes to another table view, and when the user clicks a cell in that table, it goes to a webview to open a web page. Basically, it goes fine until opening the webview. In the webview, viewDidLoad is called and seems to work properly. However, webViewDidStartLoad is never called and the web page never shows up. I am not using IB. I build the UITabBarController in the AppDelegate, where I also assign an instance of my UINavigationController for each tab. I call the webview from the second UITableViewController as follows: rssWebViewController = [[webViews objectAtIndex: indexPath.row] objectForKey:@"controller"]; [[self navigationController] pushViewController:rssWebViewController animated:YES]; I have checked that the navigationController is there and it seems just fine. The viewDidload of my webview is as follows: - (void)viewDidLoad { [super viewDidLoad]; NSString *urlAddress = self.storyUrl; NSURL *url = [NSURL URLWithString:urlAddress]; NSURLRequest *requestObj = [NSURLRequest requestWithURL:url]; [[self rssWebView] setDelegate: self]; [[self view] addSubview:[self rssWebView]]; [rssWebView loadRequest:requestObj]; self.rssWebView.scalesPageToFit = YES; self.rssWebView.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight); } The web view controller interface is defined as follows: @interface RSSWebViewController : UIViewController <UIWebViewDelegate>{ IBOutlet UIWebView *rssWebView; IBOutlet NSString *storyUrl; IBOutlet NSString *feedName; } @property (nonatomic, retain) IBOutlet UIWebView *rssWebView; @property (nonatomic, retain) IBOutlet NSString *storyUrl; @property (nonatomic, retain) IBOutlet NSString *feedName; @end Any help is greatly appreciated.

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  • AVAudioPlayer problem regarding song overlaping in iPhone

    - by riteshkumar1905
    I have using AVAudioPlayer in my app but the problem is that when i play the song from list it will played while before stopping the song i am again goes to song list then select another song then both song will start playing simultaneously so please tell me the code which will terminate my first song. i am using avTouchContoller & avTouchViewController in my app. so i am enclosing the code for song which is written in avController.m & avTouchViewController.m as follow for single song avtouchController.m switch (flag) { case 1: //[self stop]; fileURL = [[NSURL alloc] initFileURLWithPath: [[NSBundle mainBundle] pathForResource:@"Aarti Keeje" ofType:@"aac"]]; self._player = [[AVAudioPlayer alloc] initWithContentsOfURL:fileURL error:nil]; //self._player=newplayer; //[newplayer release]; if (self._player) { _fileName.text = [NSString stringWithFormat: @"%@ (%d ch.)", [[self._player.url relativePath] lastPathComponent], self._player.numberOfChannels, nil]; [self updateViewForPlayerInfo]; [self updateViewForPlayerState]; } [fileURL release]; break;

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  • call addsubview again causes slowdown

    - by Tom
    hi guys, i am writing a little music-game for the iphone. I am almost done, this is the only issue which keeps me from rolling it out. any help to solve this is much appreciated. this is what i do: at my appDelegate I add my menu-view-screen to the window. the menu-view-screen acts as a container and controls which view gets presented to the user. means, on the menu-view-screen I got 4 buttons (new game, options, faq, highscore). when the user clicks on a button something as this happens: if (self.gameViewController == nil) { GameViewController *viewController = [[GameViewController alloc] initWithNibName:@"GameViewController" bundle:nil]; self.gameViewController = viewController; [viewController release]; } [self.view addSubview:self.gameViewController.view]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleSwitchViewNotificationFromGameView:) name:@"SwitchView" object:gameViewController]; when the user returns to the menu, this piece of code gets executed: [[NSNotificationCenter defaultCenter] removeObserver:self]; [self.gameViewController viewWillDisappear:YES]; [self.gameViewController.view removeFromSuperview]; this works fine for all screens but not for the gamescreen(well this is the only one with heaps of user-interaction) means the responsiveness of the iphone(when playing tones) gets really slow. The performance is fine when I display the gameview for the first time. it starts getting slower as soon as I add it to the menu-views-container-subviews again (addsubview) (basically open up a new game) any ideas what causes(or to get around) this? thanks heaps Best regards Tom

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  • Do I really need bindParam?

    - by sandelius
    Hi there! I'm trying to do a little PDO CRUD to learn some PDO. I have a question about bindParam. Here's my update method right now: public static function update($conditions = array(), $data = array(), $table = '') { self::instance(); // Late static bindings (PHP 5.3) $table = ($table === '') ? self::table() : $table; // Check which data array we want to use $values = (empty($data)) ? self::$_fields : $data; $sql = "UPDATE $table SET "; foreach ($values as $f => $v) { $sql .= "$f = ?, "; } // let's build the conditions self::build_conditions($conditions); // fix our WHERE, AND, OR, LIKE conditions $extra = self::$condition_string; // querystring $sql = rtrim($sql, ', ') . $extra; // let's merge the arrays into on $v_val = array_values($values); $c_val = array_values($conditions); $array = array_merge($v_val, self::$condition_array); $stmt = self::$db->prepare($sql); return $stmt->execute($array); } in my "self::$condition_array" I get all the right values from the ?. SO the query looks like this: UPDATE table SET this = ?, another = ? WHERE title = ? AND time = ? as you can see I dont use bindParams instead I pass the right values in the right order ($array) directly into the execute($array) method. This works like a charm BUT is it safe not use use bindParam here? If not then how can I do it? Thanks from Sweden Tobias

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  • Generating two thumbnails from the same image in Django

    - by Titus
    Hello, this seems like quite an easy problem but I can't figure out what is going on here. Basically, what I'd like to do is create two different thumbnails from one image on a Django model. What ends up happening is that it seems to be looping and recreating the same image (while appending an underscore to it each time) until it throws up an error that the filename is to big. So, you end up something like: OSError: [Errno 36] File name too long: 'someimg________________etc.jpg' Here is the code: def save(self, *args, **kwargs): if self.image: iname = os.path.split(self.image.name)[-1] fname, ext = os.path.splitext(iname) tlname, tsname = fname + '_thumb_l' + ext, fname + '_thumb_s' + ext self.thumb_large.save(tlname, make_thumb(self.image, size=(250,250))) self.thumb_small.save(tsname, make_thumb(self.image, size=(100,100))) super(Artist, self).save(*args, **kwargs) def make_thumb(infile, size=(100,100)): infile.seek(0) image = Image.open(infile) if image.mode not in ('L', 'RGB'): image.convert('RGB') image.thumbnail(size, Image.ANTIALIAS) temp = StringIO() image.save(temp, 'png') return ContentFile(temp.getvalue()) I didn't show imports for the sake of brevity. Assume there are two ImageFields on the Artist model: thumb_large, and thumb_small. If this isn't the correct way to do it, I'd appreciate any feedback. Thanks!

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  • memcache is not storing data accross requests

    - by morpheous
    I am new to using memcache, so I may be doing something wrong. I have written a wrapper class around memcache. The wrapper class has only static methods, so is a quasi singleton. The class looks something like this: class myCache { private static $memcache = null; private static $initialized = false; public static function init() { if (self::$initialized) return; self::$memcache = new Memcache(); if (self::configure()) //connects to daemon { self::store('foo', 'bar'); } else throw ConnectionError('I barfed'); } public static function store($key, $data, $flag=MEMCACHE_COMPRESSED, $timeout=86400) { if (self::$memcache->get($key)!== false) return self::$memcache->replace($key, $data, $flag, $timeout); return self::$memcache->set($key, $data, $flag, $timeout); } public static function fetch($key) { return self::$memcache->get($key); } } //in my index.php file, I use the class like this require_once('myCache.php'); myCache::init(); echo 'Stored value is: '. myCache::fetch('foo'); The problem is that the myCache::init() method is being executed in full everytime a page is requested. I then remembered that static variables do not maintain state accross page requests. So I decided instead, to store the flag that indicates whether the server contains the start up data (for our purposes, the variable 'foo', with value 'bar') in memcache itself. Once the status flag is stored in memcache itself, It solves the problem of the initialisation data being loaded for every page request (which quite frankly, defeats the purpose of memcache). However, having solved that problem, when I come to fetch the data in memcache, it is empty. I dont understand whats going on. Can anyone clarify how I can store my data once and retrieve it accross page requests? BTW, (just to clarify), the get/set is working correctly, and if I allow memcache to load the initialisation data for each page request, (which is silly), then the data is available in memcache.

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  • Casting to specify unknown object type?

    - by fuzzygoat
    In the following code I have a view object that is an instance of UIScrollView, if I run the code below I get warnings saying that "UIView might not respond to -setContentSize etc." UIImage *image = [UIImage imageNamed:@"Snowy_UK.jpg"]; imageView = [[UIImageView alloc] initWithImage:image]; [[self view] addSubview:imageView]; [[self view] setContentSize:[image size]]; [[self view] setMaximumZoomScale:2.0]; [[self view] setMinimumZoomScale: [[self view] bounds].size.width / [image size].width]; I have checked the type of the object and [self view] is indeed a UIScrollView. I am guessing that this is just the compiler making a bad guess as to the type and the solution is simply to cast the object to the correct type manually, am I getting this right? UIScrollView *scrollView = (UIScrollView *)[self view]; UIImage *image = [UIImage imageNamed:@"Snowy_UK.jpg"]; imageView = [[UIImageView alloc] initWithImage:image]; [[self view] addSubview:imageView]; [scrollView setContentSize:[image size]]; [scrollView setMaximumZoomScale:2.0]; [scrollView setMinimumZoomScale: [scrollView bounds].size.width / [image size].width]; cheers Gary.

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