2014/10/15 下午 10:12:32

iphone Programming Glossary: performs

Does a NSURLConnection retain its delegate?

http://stackoverflow.com/questions/1101867/does-a-nsurlconnection-retain-its-delegate

urlString returnDataTo self temp release super viewDidLoad When the JsonDownloader is done downloading and parsing it performs a callback to the returnDataTo object in this case the calling object. This works just fine. Even if I introduce a 30 second..

Speech Recognition

http://stackoverflow.com/questions/1118400/speech-recognition

Recognition I need to develop an iPhone application which recognizes speech and based on the result it performs further tasks. I know iPhone 3.0 doesn't support speech recognition and I need to implement speech recognition software..

Customize the delete button in UITableView

http://stackoverflow.com/questions/13669920/customize-the-delete-button-in-uitableview

button iphone xcode uibutton customization share improve this question This method will be called when user performs the swipe action Just Place this in your CustomCell void willTransitionToState UITableViewCellStateMask state super willTransitionToState..

SQL Query for Performing Radius Search based on Latitude Longitude

http://stackoverflow.com/questions/1727137/sql-query-for-performing-radius-search-based-on-latitude-longitude

on Latitude Longitude We have a restaurant table that has lat long data for each row. We need to write a query that performs a search to find all restaurants within the provided radius e.g. 1 mile 5 miles etc. We have the following query for this..

What is Delegate and Delegate Methods

http://stackoverflow.com/questions/1788032/what-is-delegate-and-delegate-methods

its usages iphone delegates cocoa design patterns share improve this question It's hard to explain but a delegate performs methods on behalf of another object. A Table View doesn't know what to do when you pick an item in the list. Instead it..

programmatically screenshot works bad on iOS 7

http://stackoverflow.com/questions/18956611/programmatically-screenshot-works-bad-on-ios-7

for any UI effect or render in into an image like you did if you need to export. I don't know how good this new method performs VS the one you provided although I remember Apple engineers saying this new API was more efficient share improve this..

iPhone — is initWithCoder an exception to the usual designated initializer design pattern?

http://stackoverflow.com/questions/2944823/iphone-is-initwithcoder-an-exception-to-the-usual-designated-initializer-desi

should. It doesn't look like the designated initializer because all its data is provided by the coder but it performs the same function. This is one of those cases where theory and practice don't line up well. The designated initializer concept..

Check URL validity

http://stackoverflow.com/questions/3791067/check-url-validity

whether the resource pointed to by a file URL can be reached. ... Discussion This method is unimplemented in iOS so it performs no operation So it only works for file URLs which your URL probably isn't and it only works on Mac OS X anyway. share improve..

How to determine the content size of a UIWebView?

http://stackoverflow.com/questions/3936041/how-to-determine-the-content-size-of-a-uiwebview

Find the tangent of a point on a cubic bezier curve (on an iPhone)

http://stackoverflow.com/questions/4089443/find-the-tangent-of-a-point-on-a-cubic-bezier-curve-on-an-iphone

video capture software for iPhone Simulator [closed]

http://stackoverflow.com/questions/4183768/video-capture-software-for-iphone-simulator

a software tool which can lead me to capture my application in simulator.. I saw so many videos of application which performs their functionality of application and capture it in video. Please suggest me some video capturing tool for my app promotion...

Does UIActivityIndicator require manual threading on iPhone

http://stackoverflow.com/questions/441345/does-uiactivityindicator-require-manual-threading-on-iphone

UIActivityIndicator require manual threading on iPhone I am running creating an iPhone application which performs a costly operation and I wanted to create an activityIndicator to let the user know the application has not frozen. The..

NSMutableString as retain/copy

http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy

back return str1 copy autorelease @end your interface is now improved more correct requires less documentation and performs better. you can also remove publicly visible accessors if you don't need them. we can live with that interface where it..

How can I transfer files from one application to another in the same iOS device?

http://stackoverflow.com/questions/7034942/how-can-i-transfer-files-from-one-application-to-another-in-the-same-ios-device

can I transfer files from one application to another in the same iOS device I am writing an iOS application that performs conversion of a file saved by another application on the same device to another format. How can I transfer files from one..

Scrolling with two fingers with a UIScrollView

http://stackoverflow.com/questions/787212/scrolling-with-two-fingers-with-a-uiscrollview

where a two finger drag indicates a scroll and a one finger drag event gets passed to my content view so it performs normally. Do I need create my own subclass of UIScrollView Here's my code from my appDelegate where I implement the UIScrollView..

UITextView and UIPickerView with its own UIToolbar

http://stackoverflow.com/questions/885002/uitextview-and-uipickerview-with-its-own-uitoolbar

SimpleObjects count IBAction CancelButtonClick self removeFromSuperviewWithAnimation IBAction DoneButtonClick This performs a selector when the done button is clicked makes the controller more versatile. if PickerObjectDelegate PickerObjectSelector..

Possible to pass [self anyFunction] in blocks without __weak object (iOS 5 + ARC)

http://stackoverflow.com/questions/9003600/possible-to-pass-self-anyfunction-in-blocks-without-weak-object-ios-5-arc

here Because an object retains its blocks and a block retains it's objects. So in both these cases the object which performs the block owns the block which also owns the object. So you have a loop a retain cycle. which means the memory is leaked...

Will my iPhone app take a performance hit if I use Objective-C for low level code?

http://stackoverflow.com/questions/926728/will-my-iphone-app-take-a-performance-hit-if-i-use-objective-c-for-low-level-cod

decisions to make your code fast. But even great algorithm choices can be slow if the language you're using performs more poorly than another. Is there any hard data comparing Objective C to C specifically on the iPhone but maybe just on..

Loop through all object properties at runtime

http://stackoverflow.com/questions/9269372/loop-through-all-object-properties-at-runtime

through all object properties at runtime I want to create an Objective C base class that performs an operation on all properties of varying types at runtime. Since the names and types of the properties will not always..