2014/10/15 下午 10:05:27

iphone Programming Glossary: consideration

NSMutableURLRequest timeout interval not taken into consideration for POST requests

http://stackoverflow.com/questions/1466389/nsmutableurlrequest-timeout-interval-not-taken-into-consideration-for-post-reque

timeout interval not taken into consideration for POST requests I have the following problem. On a NSMutableURLRequest using the HTTP method POST the timeout interval..

When to call release on NSURLConnection delegate?

http://stackoverflow.com/questions/1632168/when-to-call-release-on-nsurlconnection-delegate

and its delegate You will have to pay extra attention to the delegate object as for NSURLConnection there is a special consideration for the delegate it is always retained. http developer.apple.com library mac #documentation Cocoa Reference Foundation Classes.. retains delegate. It releases delegate when the connection finishes loading fails or is canceled. So taking that into consideration you have several options to ensure that your delegate will be released correctly and I will try to explain 2 simple ones...

Objective-C : How to fetch the router address?

http://stackoverflow.com/questions/2113580/objective-c-how-to-fetch-the-router-address

give much detail as to how to use it and I didn't find the Apple documentation on it very useful at least taking into consideration my skill level . Please mind I'm not very experienced in Objective C I'm in the middle of writing an app that I need myself..

UITableView flexible/dynamic heightForRowAtIndexPath

http://stackoverflow.com/questions/2213024/uitableview-flexible-dynamic-heightforrowatindexpath

reasons we just care about the width we could hardcode that the width would be around 320.0 not taking padding in consideration . But what would happen if we used UITableViewStyleGrouped instead of plain the width would then be around 300.0 and the..

Is it even possible to change a UIButtons background color?

http://stackoverflow.com/questions/2808888/is-it-even-possible-to-change-a-uibuttons-background-color

How should I approach building a Universal iOS app that will include iOS 4 features, even though the iPad doesn't yet run iOS 4?

http://stackoverflow.com/questions/3320355/how-should-i-approach-building-a-universal-ios-app-that-will-include-ios-4-featu

this case is it a bad idea to create this project as a universal app If not what are some thoughts I should take into consideration as I'm building a universal app that supports two different versions of the iOS Is it somewhat safe to bet on Apple releasing.. I understand this issue involves managing risks. I'm aware of the risks but I'm more interested in any tech design considerations related to building a universal app when the iOS is fragmented among the various iOS devices. iphone ipad ios4 universal..

What does this ^ syntax mean in Objective-C?

http://stackoverflow.com/questions/3499186/what-does-this-syntax-mean-in-objective-c

implementation as open source under the MIT license added blocks support to GCC 4.2 and clang and has submitted it for consideration as part of the next version of the C programming language. Syntax A block variable looks like a function pointer except..

iPhone - flattening a UIImageView and subviews to image = blank image

http://stackoverflow.com/questions/3869692/iphone-flattening-a-uiimageview-and-subviews-to-image-blank-image

How to animate while resizing UIView

http://stackoverflow.com/questions/4586297/how-to-animate-while-resizing-uiview

myView.center theBounds.size.height 50.f theCenter.y 25.f myView.bounds theBounds myView.center theCenter The final consideration is forcing the view to redraw when the bounds changes. For performance reasons the view will not redraw when you change..

Number of days between two NSDates

http://stackoverflow.com/questions/4739483/number-of-days-between-two-nsdates

of days between two NSDates How could I determine the number of days between two NSDate values taking into consideration time as well The NSDate values are in whatever form NSDate date takes. Specifically when a user enters the inactive state..

setKeepAliveTimeout and BackgroundTasks

http://stackoverflow.com/questions/4777499/setkeepalivetimeout-and-backgroundtasks

pushing a remote notification based on APNS. However there are many reasons for which i cannot take this approach in consideration. One for all is the user authentication mechanism. The remote server for security reasons cannot take into account the user..

Do I need to release xib resources?

http://stackoverflow.com/questions/61838/do-i-need-to-release-xib-resources

only to iOS prior to 3.0. With 3.0 and later you should instead simply nil out property values in viewDidUnload. One consideration here though is when your controller might dispose of its user interface and reload it dynamically on demand for example..

Choosing between the two - Interface Builder OR creating via code

http://stackoverflow.com/questions/6385516/choosing-between-the-two-interface-builder-or-creating-via-code

whose height is dynamic at runtime and you want to layout a bunch of controls underneath it taking its height into consideration that can only be done in code UPDATE iOS 6's Auto layout can do this now . You can either create and layout everything in..

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

void you could end up with a garbage pointer value being retained released and crash. Additional Arguments One consideration is that this is the same warning will occur with performSelector withObject and you could run into similar problems with..

Overlay an image over another image in iOS

http://stackoverflow.com/questions/7313023/overlay-an-image-over-another-image-in-ios

be the most straightforward way of doing so Also the images are remotely loaded onto a table so performance is a big consideration iphone objective c ios image share improve this question If you are concerned with table scrolling performance retrieve..

Interface Builder (XIB) or Code when merging in a team environment?

http://stackoverflow.com/questions/7456881/interface-builder-xib-or-code-when-merging-in-a-team-environment

I'm wondering what other folks are doing who have multiple folks who can potentially collide on XIBs. Was merging a consideration for going all code Do you use XIBs just for layout and code the rest Or have you had any luck merging XIBs and over time.. code is tedious. Thoughts iphone objective c ios ipad interface builder share improve this question Was merging a consideration for going all code Yes No and Portions Of . It depends on things like The people involved the complexity of the UI the quality..

iPhone take augmented reality screenshot with AVCaptureVideoPreviewLayer

http://stackoverflow.com/questions/8980847/iphone-take-augmented-reality-screenshot-with-avcapturevideopreviewlayer

context with the target size On iOS 4 and later use UIGraphicsBeginImageContextWithOptions to take the scale into consideration On iOS prior to 4 fall back to use UIGraphicsBeginImageContext CGSize imageSize UIScreen mainScreen bounds .size CGSize.. On iOS 4 and later use UIGraphicsBeginImageContextWithOptions to take the scale into consideration Set the scale parameter to your OpenGL ES view's contentScaleFactor so that you get a high resolution snapshot when its..