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• Changing the UIBackButtonItem title

  - by Alpinista

  I have a navigationController-based app. I want to change the title of the back button for the root view controller. I have tried the following code in the rootViewController's viewDidLoad method, but no success: self.navigationItem.backBarButtonItem.title = @"Back"; Any ideas?

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• Google Apps routing to different servers, depending on domain

  - by Philip

  We are investigating Google Apps for Education for our group of schools. Currently, each school uses their own Exchange (2003) server. Each school has its own domain which I have added to Google Apps as additional domains. I would like to start transitioning certain staff and some new pupils over to Google Apps to start testing. In this interim phase, I need mail to be routed through Google Apps and then, if no appropriate mail box is found, route on to the individual schools depending on the recipient. I do know that it is possible to route mail that does not have an appropriate Google Apps mail account to a single server - under "Settings / E-mail Settings / General Settings / Routing / E-mail routing". This works well for a single organisation where all the extra mail is destined for one place. I do know that it is possible to set up Routes, under "Settings / E-mail Settings / Hosts" and then use rules, found under "Settigns / E-mail Settings / General Settings / Routing / Receiving Routing". I can then filter based on e-mail domain and forward on to the necessary server. My problem with this, as I understand it, is that it ignores the users that have Google Apps accounts set up and sends all mail to the Exchange server. Are there any solutions for this predicament? Many thanks!

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• iPhone app runs on iPad simulator, but the background is inverted!!

  - by Mat

  Hi all, i've installed new sdk 3.2 pre-release wich have iPad simulator, i have tried to launch an iPhone app created by me in iPad simulator; the main view of this app has an image as background; when launch it on iPad simulator this background(self.background = [[UImage..... ) it comes inverted, from top to bottom. Any idea?? thanks in advance....:)

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• How do I add a decorator to a class in python?

  - by Timmy

  how do I add a function with a decorator to a class? i tryed def add_decorator( cls ): @dec def update(self): pass cls.update = update @dec did not to with update im to use this with @orm.reconstructor in sqlalchemy.

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• initializing a readonly property. Object c

  - by tak

  i was trying to create a property which is readonly. i wanted to initialize with a value from the class creating an instance of this class.e.g @property (readonly) NSString *firstName; And wanted to initialize it like -(id)initWithName:(NSString *)n{ self.firstName = n; } Once i do this, this compiler shows an error that the readonly property cannot be assigned. So how can i do this?

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• Question related to photogallery

  - by user217572

  I'm saving my image to photo gallary , but I want to fetch this image on click of UIButton and want to show it on the UIImageview or UIview.My code for saving image on photo gallery is as under:- I don't want to use UIImagePickerViewController any where in my programme UIImage *image = [UIImage imageNamed:@"flower.png"]; UIImageWriteToSavedPhotosAlbum(image, self, nil, nil);

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• Appengine Model SelfReferenceProperty and parent child relationship

  - by GeekTantra

  I have a scenario in which I need a self reference property as follow: class Post(db.Model): creator = db.UserProperty() post_title = db.StringProperty(required=True) post_status = db.StringProperty(required=True, choices=['draft', 'published']) post_parent = db.SelfReferenceProperty() Now, I want ensure that an entity shouldn't be its own parent and a child of an entity cannot be its parent. How can I ensure this kind of a relationship in the PostForm model form and the Post model.

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• ASP.NET javascript close page after timeout?

  - by AliRiza Adiyahsi

  I want show an information page after success db opartions. And after the info I want to close each pages (information page and main page) I wrote this in button oncommand event: //but this code does not work Response.Write("<script language='javascript'>setTimeout('self.close();',3000);</script>"); at the same time, I want to show an information message. And then I want to close all, after three seconds.I hope I could explain :) Thanks.

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• What's the simplest way to the highest and lowest keys from a dictionary?

  - by Jorge

  self.mood_scale = {{'-30':"Panic"},{'-20':'Fear'},{'-10':'Concern'},{'0':'Normal'},{'10':'Satisfaction'},{'20':'Happiness'},{'30':'Euphoria'}} I need to set two variables: max_mood and min_mood, so i can put some limits on a ticker. What's the easiest way to get the lowest and the highest keys?

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• Accessing Values of a ForeignKey or OneToOne object in ModelForm

  - by theactiveactor

  I have a ModelFormA for ModelA, which has a one-one relationship with ModelB and foreign-key relationship with ModelC. Inside ModelFormA, I can access attributes of the current ModelA instance via self.cleaned_data["colA-1"]. How would I access attributes of ModelB or ModelC?

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• Why does Apple create it's views this way

  - by John Smith

  In the hope of fixing a bug of mine from another post i would like to know why apple writes this (for it's Elements example) UIView *localContainerView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; self.containerView = localContainerView; [localContainerView release]; instead of the simpler method: containerView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; ?

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• Python List length as a string

  - by mvid

  Is there a preferred (not ugly) way of outputting a list length as a string? Currently I am nesting function calls like so: print "Length: %s" % str(len(self.listOfThings)) This seems like a hack solution, is there a more graceful way of achieving the same result?

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• Releasing an NSTimer iPhone?

  - by Conor Taylor

  I have an NSTimer declared in my .h and in the viewDidLoad of the /m I have the code: timer = [NSTimer scheduledTimerWithTimeInterval:kComplexTimer target:self selector:@selector (main) userInfo:nil repeats:YES]; I also have [timer release]; in my dealloc. However when I exit the view and return to it, the timer has not in fact released, it has doubles in speed! How do I solve this & what am I doing wrong??? Thanks

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• Ruby xml rpc error handling

  - by stel

  I have a model class Car @@RPCServer = XMLRPC::Client.new("localhost", "/", 8080) def self.count @@RPCServer.call("cars.count") end end If server is not running on localhost:8080 I've got a Errno::ECONNREFUSED error. I want to display an error message to user, how can a handle this error?

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• What is the best commit message you have ever encountered?

  - by Can Berk Güder

  Following this topic, what is the best (as in witty and/or funny) commit message you have ever encountered? For example, here's the message for a commit I made a few minutes ago: This change should have never been made. It kills little children. NOTE TO SELF: Don't do everything [the boss] tells you immediately.

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• NSpredicate not working if string starts with #

  - by Jude

  Hi, NSString *newValue = @"#xyz"; but the following searchPreidate is not finding that. pls let me know how to solve this self.searchPredicate = [NSPredicate predicateWithFormat:@"(value contains[c] %@) OR (title contains[c] %@)",newValue, newValue];

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• regular expression with special chars

  - by xRobot

  I need a regular expression to validate string with one or more of these characters: a-z A-Z ' àòèéùì simple white space FOR EXAMPLE these string are valide: D' argon calabrò maryòn l' Ancol these string are NOT valide: hello38239 my_house work [tab] with me I tryed this: re.match(r"^[a-zA-Z 'òàèéìù]+$", self.cleaned_data['title'].strip()) It seems to work in my python shell but in Django I get this error: SyntaxError at /home/ ("Non-ASCII character '\\xc3' ... Why ?

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• Xcode 4.2 MultiView App

  - by doc92606

  i am a fairly new iOS programmer, and I've lately been having trouble with my multi view app. Im using a paged based application with two view. I just don't seem to be able to make an IBAction that allows me to switch between each view. i tried using: [self presentModalViewController: SecondViewController animated: YES]; but i keep getting an error that says: "use of undeclared identifier 'SecondViewController'

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• Extra retain counts after initWithNibName

  - by optimisticmonkey

  I have extra retain counts after calling initWithNib. What could cause this? (There are no referencing outlets in the nib) StepViewController *stepViewController = [[StepViewController alloc] initWithNibName:@"StepViewController" bundle:nil]; [self.navigationController pushViewController:stepViewController animated:YES]; [stepViewController release]; NSLog(@"nextStep stepViewController retain count %i", [stepViewController retainCount]); the above results in a retain count of 3... Thanks for any advice on how to troubleshoot

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• Can an ActiveRecord before_save filter halt the save without halting the transaction?

  - by Michael Boutros

  Is there any way for a before_save filter to halt the entire save without halting the transaction? What I'm trying to do is have a "sample" version of my model that the user can interact with and save but the changes themselves are never actually saved. The following will halt the transaction and (naturally) return false when I call @model.update_attributes: before_filter :ignore_changes_if_sample def ignore_changes_if_sample if self.sample? return false end end Thanks!

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• question related to UITextView

  - by user177893

  I have n number of UITextview and that are added to UIScrollview.and uiscrollview is added to self.view.Now,I want that 1If user enter text in first UITextview ,then as lenth increase os UITextview ,another UITextviews which are below it also reinitialize and maintain properly according to the size of first UITextView.inshort another UITextviews go more below then it was. 2It should work in any of the case ,wether user presses return key after entering text into UITextView or may be not till end

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• iAd banner gives warning when pushed off screen by navController

  - by James Dunay

  I have a iAd that seems to be correctly displaying but when push a new view controller into the view i get a warning from the iAd that says it has been: WARNING A banner view (0x490fd0) has an ad but may be obscured. This message is only printed once per banner view. But the ad still runs fine so should i pay attention to this? I just tried adding self.adBannerView = nil; [adBannerView release];` just before i push the viewController but i still get that error

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• Manually animate a view fading in?

  - by Moshe

  I want a view to fade in when being added to the stack via [self.view addSubview:phrasesEditor.view]; How do I animate this call so that the view fades in (and out)?

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• UIWebView inside the UITableViewCell

  - by Nilshan

  I want to develop iPhone UI just like iPhone Mail application. I am able to add UIWebView inside the UITableViewCell and it is working fine. I am able to zoom the webview using [self.webView setScalesPageToFit:YES]. Now, My problem is when I do zoomIn or ZoomOut the UITableView does not get resized. How do I exactly make UI similar to Apple mail applcation detail view.?

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• preventing a specific view from auto rotating... is that possible?

  - by Mike

  I have a view based app. Its self.view has several subviews and shouldAutorotateToInterfaceOrientation is returning YES. When I rotate the device, all views rotate as expected. Is that possible to prevent a subview from auto rotating even if the view's parent is auto rotating?

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