¡@
2014/10/15 ¤U¤È 10:05:32
iphone Programming Glossary: convenienceNSURLRequest : Post data and read the posted page http://stackoverflow.com/questions/10300353/nsurlrequest-post-data-and-read-the-posted-page they must be run on the main queue ie dispatch_async dispatch_get_main_queue ^ void Method 3 Use an NSURLConnection convenience function void sendAsynchronousRequest NSURLRequest request queue NSOperationQueue queue completionHandler void ^ NSURLResponse..
Core Data vs Sqlite and performance http://stackoverflow.com/questions/1045238/core-data-vs-sqlite-and-performance suspect that under the hood Core Data is just using sqlite anyways and that it add's a bit of overhead for the cost of convenience but i thought i would ask anyways. iphone cocoa touch core data share improve this question Core Data is heavily optimized..
iOS - Passing variable to view controller http://stackoverflow.com/questions/11272864/ios-passing-variable-to-view-controller self presentModalViewController vc animated YES vc release However this didn't work. So I tried creating a convenience initializer. SetTeamsViewController vc SetTeamsViewController alloc initWithTeamCount self.teamCount And then in the SetTeamsViewController..
what is the first step in (NSTimer release and invalidate)? http://stackoverflow.com/questions/1171393/what-is-the-first-step-in-nstimer-release-and-invalidate points to it. Setting the local reference to nil keeps things kosher. If however you create a timer using one of the convenience methods like so NSTimer timer NSTimer scheduledTimerWithTimeInterval ... You do not need to call timer release at all The.. like so NSTimer timer NSTimer scheduledTimerWithTimeInterval ... You do not need to call timer release at all The convenience method adds the timer to the run loop which then owns it so you do not need to perform any memory management on the returned..
Insert string at cursor position of UITextField http://stackoverflow.com/questions/1317929/insert-string-at-cursor-position-of-uitextfield Jasarien's comment below it is good practice to save off the pasteboard contents first and restore them afterward. For convenience here is my code Get a reference to the system pasteboard UIPasteboard lPasteBoard UIPasteboard generalPasteboard Save the..
http://stackoverflow.com/questions/1349740/arguments-in-selector MyObject is the class that myMethod setValue2 is declared and implemented on instanceMethodSignatureForSelector is a convenience function declared on NSObject which returns an NSMethodSignature object for you to be passed to NSInvocation . Also to note..
Check for internet connection - iOS SDK [duplicate] http://stackoverflow.com/questions/13735611/check-for-internet-connection-ios-sdk improve this question Best way is to use Reachability code. Check here for apple sample code . That has a lot of convenience methods to check internet availability Wifi WAN connectivity check etc.. For eg NSNotificationCenter defaultCenter addObserver..
Xcode/GDB: How to get information about an exception that was just thrown? http://stackoverflow.com/questions/3327828/xcode-gdb-how-to-get-information-about-an-exception-that-was-just-thrown The shortest expression I could construct that gets to it is id ebp 8 . To make things less painful I suggest using a convenience variable gdb set exception id ebp 8 gdb po exception gdb po exception name gdb po exception reason You can also set exception..
Singleton shared data source in Objective-C http://stackoverflow.com/questions/355449/singleton-shared-data-source-in-objective-c objects later on in your application's lifetime. Either retain your objects that you're creating there or use the non convenience methods to generate them. searchDict NSDictionary alloc initWithContentsOfFile finalPath searchArray searchDict allKeys..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring at AliSoftware's OHAttributedLabel . It is a subclass of UILabel that draws an NSAttributedString and also provides convenience methods for setting the attributes of an NSAttributedString from UIKit classes. From the sample provided in the repo #import..
NSMutableArray memory management http://stackoverflow.com/questions/456233/nsmutablearray-memory-management allocate the object then you aren't responsible for releasing it. Regarding the object creation methods all of the convenience methods array arrayWithObjects arrayWithArray etc. return autoreleased objects. However their corresponding init methods..
What's the easiest way to get the current location of an iPhone? http://stackoverflow.com/questions/459355/whats-the-easiest-way-to-get-the-current-location-of-an-iphone how to use the CLLocationManager so I could do it the hard way with delegates and all that. But I'd like to have a convenience method that just gets the current location once and blocks until it gets the result. iphone core location share improve..
what does dollar sign mean in objective-c? http://stackoverflow.com/questions/4713051/what-does-dollar-sign-mean-in-objective-c about it iphone objective c c osx share improve this question That ™s not a feature of the language these are convenience intializers for collections that some people use. For example array foo bar baz expands to NSArray arrayWithObjects foo..
How do I detect a touch on a UIBezierPath and move a ball along that? http://stackoverflow.com/questions/4854035/how-do-i-detect-a-touch-on-a-uibezierpath-and-move-a-ball-along-that new thing where you can progressively draw a bezpath probably not relevant to your question but just a note. For the convenience of anyone reading in the future here is the summary from the linked question of the two handy routines... Finally here in..
Proper way to instantiate an NSDecimalNumber from float or double http://stackoverflow.com/questions/5304855/proper-way-to-instantiate-an-nsdecimalnumber-from-float-or-double on which way to go. Xcode generates a warning if you have a NSDecimalNumber set to the return value of the NSNumber convenience methods above. Would appreciate input on the cleanest and correct way to go... iphone objective c cocoa share improve.. 36.76662445068357953915 description 36.76662445068359375 So you can see that when using the numberWithDouble convenience method on NSNumber that you shouldn't really use due to it returning the wrong pointer type and even the initialiser initWithDouble..
Difference between [NSMutableArray array] vs [[NSMutableArray alloc] init] http://stackoverflow.com/questions/5423211/difference-between-nsmutablearray-array-vs-nsmutablearray-alloc-init mechanism is far more efficient and there is no such thing as release so the distinction between alloc init and a convenience constructor vending an autoreleased object becomes moot. Also it's now an @autoreleasepool block rather than an autorelease..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons of the code in the project I'm working on at the moment was written pre iOS 5.0. I was just wondering does the convenience of not retaining releasing manually and presumably more reliable code that comes as a result outweigh any 'cost' of using..
iPhone - Setting background on UITableViewController http://stackoverflow.com/questions/898351/iphone-setting-background-on-uitableviewcontroller share improve this question This is basically the same as Hans Espen's solution above but uses convenience methods for brevity Put this in your UITableViewControllerSubclass viewDidLoad method self.tableView.backgroundColor UIColor..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud cleared even after a memory warning. At the same time imageNamed has gotten a lot of use not for the cache but for the convenience which has probably magnified the problem more than it should have been. whilst warning that On the speed front there is..
|