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2014/10/15 ¤U¤È 10:09:31
iphone Programming Glossary: generatesNSSetUncaughtExceptionHandler not catch all errors on iPhone http://stackoverflow.com/questions/1128539/nssetuncaughtexceptionhandler-not-catch-all-errors-on-iphone report iphone error handling crash share improve this question EXC_BAD_ACCESS doesn't generate an exception it generates a signal SIGSEGV . To catch it you need a signal handler. Christopher Atlan wrote a nice explanation of how to handle both..
iphone Core Data Unresolved error while saving http://stackoverflow.com/questions/1283960/iphone-core-data-unresolved-error-while-saving Code 1570 UserInfo 0x14f9be0 Operation could not be completed. Cocoa error 1570. and the method that generates the error is IBAction saveAction id sender NSError error if self managedObjectContext save error Handle error NSLog @ Unresolved..
Convert excel document (xls) to a plist http://stackoverflow.com/questions/1546007/convert-excel-document-xls-to-a-plist download the binary or use this code which requires cCSVParse . It uses whatever is in row 0 to create key names then generates dictionaries for each successive row. CSVParser parser CSVParser new parser openFileWithPath pathAsString NSMutableArray..
http://stackoverflow.com/questions/1762555/creating-pem-file-for-apns this as apns dev cert.p12 file somewhere you can access it. There is no need to enter a password. The next command generates the cert in Mac ™s Terminal for PEM format Privacy Enhanced Mail Security Certificate openssl pkcs12 in apns dev cert.p12..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation rotation to be set to portrait. There is an undocumented property setter on UIDevice that does the trick but obviously generates a compiler warning and could disappear with a future revision of the SDK. UIDevice currentDevice setOrientation UIInterfaceOrientationPortrait..
iphone sdk CGAffineTransform getting the angle of rotation of an object http://stackoverflow.com/questions/2051811/iphone-sdk-cgaffinetransform-getting-the-angle-of-rotation-of-an-object turns the image into a parallelogram and the rotation angle isn't defined anymore. Anyway since the rotation matrix generates cos x sin x 0 sin x cos x 0 0 0 1 You can recover the angle with return atan2 transform.b transform.a share improve this..
Available iPhone Web Application JavaScript UI Library/Frameworks http://stackoverflow.com/questions/215390/available-iphone-web-application-javascript-ui-library-frameworks CiUI UiUIKit WebApp.Net iWebKit Apple's Dashcode Application not really a standalone library framework but it provides generates JavaScript CSS and images that conform to the native iPhone UI metaphors. Are there any others out there I want to make..
http://stackoverflow.com/questions/2521275/what-is-nsparameterassert a precondition stating that some parameter must be set. If it is not set the macro causes the application to abort and generates an error on that line. So void someMethod id someObjectThatMustNotBeNil Make sure that someObjectThatMustNotBeNil is really..
“Warning: iPhone apps should include an armv6 architecture” even with build config set http://stackoverflow.com/questions/4198676/warning-iphone-apps-should-include-an-armv6-architecture-even-with-build-conf settings. After upgrading to a recent SDK I'm having trouble building my ad hoc distribution configuration. Build generates this warning and error warning iPhone apps should include an armv6 architecture current ARCHS armv7 iPhone iPod Touch application..
send RSA public key to iphone and use it to encrypt http://stackoverflow.com/questions/4211484/send-rsa-public-key-to-iphone-and-use-it-to-encrypt you can also download the cert from your server but then you're open to MITM attacks again . By default OpenSSL generates a PEM encoded cert so you have to convert it with openssl x509 in cert.pem inform PEM out cert.cer outform DER . iOS will..
Architectural and design question about uploading photos from iPhone app and S3 http://stackoverflow.com/questions/4481311/architectural-and-design-question-about-uploading-photos-from-iphone-app-and-s3 . With this the flow would be something like 1 iPhone makes request to my server asking for policy file 2 server generates json policy file and gives back to client 3 iPhone does HTTP POST of photo json policy to S3. I hate that I'm using HTTP..
Xcode4: Different code generated for custom core data managed objects http://stackoverflow.com/questions/5253753/xcode4-different-code-generated-for-custom-core-data-managed-objects entity in step 2 is checked off Click Finish Now in Xcode4 I THINK this is how to do it but I'm not sure because it generates different code Go to model editor Select entity Go to File New New File Choose NSManagedObject subclass Choose location.. Child value void removeChildObject Child value void addChild NSSet value void removeChild NSSet value @end Now Xcode4 generates this code in the IMPLEMENTATION file @implementation SampleEntity @dynamic children void addChildObject Child value NSSet.. mogenerator and enjoy an easier life. As for the why it is hard to say. I have never been a fan of the way that Xcode generates the Core Data subclasses and would not recommend them. We could guess as to why they did the things they have done but based..
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 isNegative NSDecimalNumber decimalNumberWithDecimal There are a few possibilities here 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..
AES interoperability between .Net and iPhone? http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone 92CDw1Q in .Net yrKe5Z7p7MNqx9 CbBvNqQ on iPhone and openssl enc aes 128 cbc nosalt a in hello.txt pass pass hello generates QA Ul r6Zmr7yHipMcHSbQ Update I've posted the working code for this here . .net iphone encryption aes share improve this..
How to distribute ios application wirelessly without managing UDIDs and recompilation http://stackoverflow.com/questions/5546581/how-to-distribute-ios-application-wirelessly-without-managing-udids-and-recompil a much better way of distributing apps but it requires you to have a PHP server. What you do is create a PHP file that generates the plist file on the fly and returns that. In the links for large image small image and ipa file you pass in links to other..
Why is object not dealloc'ed when using ARC + NSZombieEnabled http://stackoverflow.com/questions/8408071/why-is-object-not-dealloced-when-using-arc-nszombieenabled will call through to it's superclass's implementation. I was actually assuming to not see this at all since ARC generates these funky .cxx_destruct methods to dispose of any __strong ivars of a class I was expecting to see this method call dealloc..
NSDate and NSDateFormatter - short format date and time in iphone sdk http://stackoverflow.com/questions/936969/nsdate-and-nsdateformatter-short-format-date-and-time-in-iphone-sdk date and time separately formatted as 2009 04 26 11 06 54 edit The code below from another question on the same topic generates now 2009 06 01 23 18 23 0100 dateString Jun 01 2009 23 18 parsed 2009 06 01 23 18 00 0100 this is almost what i'm looking..
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