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2014/10/15 ¤U¤È 10:12:23
iphone Programming Glossary: originallyRSA implementations in Objective C http://stackoverflow.com/questions/10222524/rsa-implementations-in-objective-c NULL NSLog @ Successful privateKeyAttr release publicKeyAttr release keyPairAttr release @end Here is where I originally posted my answer Iphone How to encrypt NSData with public key and decrypt with private key Let me know if you need more..
http://stackoverflow.com/questions/10329291/play-a-short-sound-in-ios Every single one of the other answers leaks memory unless ARC is enabled for one of the answers ... oddly the answer originally marked as correct has a call to retainCount for no apparent reason. If you alloc init something it needs to be released..
Apple PNS (push notification services) sample code http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code and the connections kept failing because I had exported the certificate and not the key. I don't recall who originally wrote this here is a little bit of code in python that helped me out when I was first testing the notification service...
file was built for archive which is not the architecture being linked (i386) http://stackoverflow.com/questions/10803211/file-was-built-for-archive-which-is-not-the-architecture-being-linked-i386
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees CGAffineTransform. I want the pixels of the UIImage to actually shift position. I am using a block of code shown below originally intended to resize a UIImage to do this. I set a target size as the current size of the UIImage but I get an error Error..
UITableView flexible/dynamic heightForRowAtIndexPath http://stackoverflow.com/questions/2213024/uitableview-flexible-dynamic-heightforrowatindexpath needs to present the text for a specific width. The problem occurs if we give textLabel a text larger then the width originally given to textLabel. The second line will appear but the height of the cell will not be automatically adjusted and so we..
Is MonoTouch now banned on the iPhone? [closed] http://stackoverflow.com/questions/2604033/is-monotouch-now-banned-on-the-iphone use Documented APIs in the manner prescribed by Apple and must not use or call any private APIs. Applications must be originally written in Objective C C C or JavaScript as executed by the iPhone OS WebKit engine and only code written in C C and Objective.. now that if the original application is written in C# then it would be violating the license ...Applications must be originally written in Objective C C C or JavaScript as executed by the iPhone OS WebKit engine... They even hammer it in a little further..
Why is NSUserDefaults not saving my values? http://stackoverflow.com/questions/2622754/why-is-nsuserdefaults-not-saving-my-values You can force the save by calling NSUserDefaults standardUserDefaults synchronize Addendum In iOS4 this answer was originally written when iOS3 was the public release your User Defaults may not get saved when pressing the home button. Manually calling..
Setting direction for UISwipeGestureRecognizer http://stackoverflow.com/questions/3319209/setting-direction-for-uiswipegesturerecognizer to access the actual direction that triggered the swipe in the action selector method you still get the bit mask you originally set for the allowed directions . This means that checks for the actual direction will always fail when more than 1 direction..
How to tint a transparent PNG image in iPhone? http://stackoverflow.com/questions/3514066/how-to-tint-a-transparent-png-image-in-iphone Would anyone be able to provide a snippet UPDATE Lots of great suggestions have been given for this problem since I originally asked. Be sure to read through all the answers to figure out what suits you best. iphone ios image uiimage tint share..
Editing a UITextField inside a UITableViewCell fails http://stackoverflow.com/questions/376372/editing-a-uitextfield-inside-a-uitableviewcell-fails permanent until I restart the application. And it affects all UITextFields on that screen and not just the one that I originally tried to edit. If you want to see it yourself try the UICatalog sample that comes with the iPhone SDK. Click text fields..
Most effective way to do networking on Mac/iPhone? http://stackoverflow.com/questions/4269613/most-effective-way-to-do-networking-on-mac-iphone use Bonjour two lines of code to find other devices. an Apple provided Objective C wrapper ... AsyncSockets written originally by the mysterious Dustin J. Voss is SO GOOD that Apple just won't bother trying to write one AsyncSockets is exactly what..
Change User Agent in UIWebView (iPhone SDK) http://stackoverflow.com/questions/478387/change-user-agent-in-uiwebview-iphone-sdk Windows app iphone cocoa touch share improve this question With iOS 5 changes I recommend the following approach originally from this StackOverflow question UIWebView iOS5 changing user agent as pointed out in an answer below. In comments on that..
What are the Dangers of Method Swizzling in Objective C? http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c call setFrame on a button it will therefore call your swizzled method and then jump straight to the setFrame method originally defined on NSView . The NSControl and NSView swizzled implementations will not be called. But what if the order were NSView..
How do i resolve EXC_BAD_ACCESS errors encountered in iphone development http://stackoverflow.com/questions/607222/how-do-i-resolve-exc-bad-access-errors-encountered-in-iphone-development to initialize the UIImage from the file. Any ideas Edit neglected to add a release that was the problem in the code originally. iphone objective c cocoa touch file access share improve this question Your code shows a severe lack of knowledge..
Why is object not dealloc'ed when using ARC + NSZombieEnabled http://stackoverflow.com/questions/8408071/why-is-object-not-dealloced-when-using-arc-nszombieenabled nszombieenabled share improve this question Turns out I've written some serious nonsense If zombies worked like I originally wrote turning on zombies would directly lead to innumerable false positives... There is some isa swizzling going on probably..
ASIHTTPRequest vs AFNetworking framework http://stackoverflow.com/questions/8636418/asihttprequest-vs-afnetworking-framework asihttprequest afnetworking share improve this question Update September 2013 It's been nearly two years since I originally wrote this answer and quite a lot has changed. AFNetworking is about to go into version 2.0 and has a thriving developer..
Can iPhone apps start on start-up? http://stackoverflow.com/questions/9300815/can-iphone-apps-start-on-start-up someone linked me to a part of the apple docs which doesn't really mention anything about auto starting of apps. I was originally going on prior knowledge and this answer but after another person saying that they do I'm really not sure. As far as I'm..
iPhone subview design (UIView vs UIViewController) http://stackoverflow.com/questions/1264296/iphone-subview-design-uiview-vs-uiviewcontroller design each type of QuizQuestion in Interface Builder. For example a MultipleChoiceQuizQuestion would look like this Originally I planned to make the QuizQuestion class a UIViewController. However I read in the Apple documentation that UIViewControllers..
Get tableView:heightForRowAtIndexPath: to happen after tableView:cellForRowAtIndexPath:? http://stackoverflow.com/questions/1352801/get-tableviewheightforrowatindexpath-to-happen-after-tableviewcellforrowatind way to do it Thanks iphone cocoa touch uitableview share improve this question Gonna answer my own question here Originally I was pretty sure that the height calculations were tied to the tableView cellForRowAtIndexPath method and couldn't be moved..
Why is my CLLocationmanager delegate not getting called? http://stackoverflow.com/questions/3731881/why-is-my-cllocationmanager-delegate-not-getting-called all worked exactly as expected. What a nightmare Hope this answer helps others... Edit clarification Originally I had something like this BOOL appDidFinishLaunchingWithOptions NSDictionary options ... app setup snip NSThread detachNewThreadSelector..
http://stackoverflow.com/questions/5690931/objective-c-code-for-airprint
How to invoke iPhone Maps for Directions with Current Location as Start Address http://stackoverflow.com/questions/576768/how-to-invoke-iphone-maps-for-directions-with-current-location-as-start-address feature and as Jason McCreary points out below it may not work reliably in future releases. Update for iOS 6 Originally Maps used Google maps but now Apple and Google have separate maps apps. 1 If you wish to route using the Google Maps app..
Can I develop an iPhone app using java? http://stackoverflow.com/questions/617850/can-i-develop-an-iphone-app-using-java using Java And if so does it allow the use of custom jar files Thanks. java iphone share improve this question Originally the reply was a no. The Apple agreement used to say that no interpreted other languages are allowed. period. This has since..
Implementing steps/snapping UISlider http://stackoverflow.com/questions/6370342/implementing-steps-snapping-uislider iphone uislider share improve this question It's actually considerably easier than I first thought. Originally I was trying to get the thumbrect property and do complicated math. Here's what I ended up with h File @property nonatomic..
How can I programmatically get the MAC address of an iphone http://stackoverflow.com/questions/677530/how-can-i-programmatically-get-the-mac-address-of-an-iphone and IP address iphone objective c mac address share improve this question Somthing I stumbled across a while ago. Originally from here I modified it a bit and cleaned things up. IPAddress.h IPAddress.c And to use it InitAddresses GetIPAddresses..
How can I tell When a UITableView animation has finished? http://stackoverflow.com/questions/7198633/how-can-i-tell-when-a-uitableview-animation-has-finished a separate function called when the animation is completed. I am edited the post to give context and some workarounds. Originally I setEditing and immediately reload the table data. tableView setEditing YES animated YES tableView reloadData The problem..
How Can I Save An Image To An iPhone Photo Gallery Using PhoneGap? http://stackoverflow.com/questions/8663890/how-can-i-save-an-image-to-an-iphone-photo-gallery-using-phonegap web. When a user clicks on an image I would like them to be able to save the image to an iPhone photo gallery Photos . Originally I would have liked the app to let the user set the image as wallpaper but found that it would be extremely difficult or..
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