2014/10/15 下午 10:08:36
iphone Programming Glossary: exercisehttp://stackoverflow.com/questions/12257429/how-do-i-modify-a-gpuimagegaussianselectiveblurfilter-to-operate-over-a-rectangl and don't control its circularity at all. I leave modifying this further to produce a generic rectangular shape as an exercise for the reader but this should provide a basis for how you could do this and a bit more explanation of what the lines in..
Verify receipt for in App purchase http://stackoverflow.com/questions/1298998/verify-receipt-for-in-app-purchase this question First there are a few typos in the posted code. Try this. Disclaimer Refactoring et. al is left as an exercise for the readership BOOL verifyReceipt SKPaymentTransaction transaction NSString jsonObjectString self encode uint8_t transaction.transactionReceipt.bytes..
iphone tab bar controller and core data http://stackoverflow.com/questions/1365792/iphone-tab-bar-controller-and-core-data improve this question The templates are designed to be more 'pure' any combination of the templates is left as an exercise for the developer. They could do a CoreData Tab and Nav Controller template but to be fair they'd then have to do every..
Drag UIView around Shape Comprised of CGMutablePaths http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths using a 𦨴imple oval shape but that's boring. Let's draw a nice figure 8. Figuring out what I'm doing is left as an exercise for the reader void createPath CGRect bounds self.view.bounds CGFloat const radius bounds.size.height 6 CGFloat const offset..
Aspect-Oriented Objective-C Library? http://stackoverflow.com/questions/1508396/aspect-oriented-objective-c-library with the quite cool Obj C run time function method_exchangeImplementations . But unless you are looking for a fun exercise ask yourself what you want to achieve and if there is an existing perfectly working Objective C way to do it. share improve..
Integrating iPhone Application with Shibboleth http://stackoverflow.com/questions/1935011/integrating-iphone-application-with-shibboleth of the ConsoleViewController and AuthenticationRedirectDelegate above contain the real logic of this Shibboleth exercise. The ConsoleViewController performs the following 1. Prepare the initial HTTP request to a Shibboleth protected resource...
Background threads consuming 100% CPU on iPhone 3GS causes latent main thread http://stackoverflow.com/questions/1940903/background-threads-consuming-100-cpu-on-iphone-3gs-causes-latent-main-thread sure that the issues are due to defects within NSURLConnection itself. I wrote test programs which did nothing except exercise NSURLConnection and they were still crashing and leaking. Ultimately I replaced NSURLConnection with ASIHTTPRequest and..
http://stackoverflow.com/questions/2032159/uiwebview-and-local-css-file message and making a change to the backgroundColor of the body does indeed work done as an exercise to see if I was using the call correctly. Am I barking up the wrong tree css iphone cocoa touch uiwebview share improve..
How can one develop iPhone apps in Java? http://stackoverflow.com/questions/2050943/how-can-one-develop-iphone-apps-in-java Here's one link . Honestly it won't be that hard and learning to do some memory management will be a great learning exercise. Have you programmed in C before Most cross compilers won't do a great job in converting your code and debugging your project..
iPhone UIWebView width does not fit after zooming operation + UIInterfaceOrientation change http://stackoverflow.com/questions/2890673/iphone-uiwebview-width-does-not-fit-after-zooming-operation-uiinterfaceorienta to another page. Correct Load the same URL in Mobile Safari. Rotating works the width fits regardless of the zooming exercise. Is this a UIWebView bug probably not Or is there something that needs to be done to make things just work like in Mobile..
populate UITableView from json http://stackoverflow.com/questions/2968642/populate-uitableview-from-json it in my .h file @interface TableViewViewController UIViewController UITableViewDataSource UITableViewDelegate NSArray exercises NSMutableData responseData in my .m file NSInteger tableView UITableView tableView numberOfRowsInSection NSInteger section.. responseData in my .m file NSInteger tableView UITableView tableView numberOfRowsInSection NSInteger section return exercises.count UITableViewCell tableView UITableView tableView cellForRowAtIndexPath NSIndexPath indexPath create a cell UITableViewCell.. alloc initWithStyle UITableViewCellStyleDefault reuseIdentifier @ cell fill it with contnets cell.textLabel.text exercises objectAtIndex indexPath.row return it return cell Implement viewDidLoad to do additional setup after loading the view typically..
iPhone: Create a reusable component (control) that has some Interface Builder pieces and some code http://stackoverflow.com/questions/4036398/iphone-create-a-reusable-component-control-that-has-some-interface-builder-pi and configure subviews as required. I create all IBOutlets in my custom view class and connect them there. In this exercise I ignore the File's owner completely. Now when I need to create the view usually in controller as part of while for loop..
http://stackoverflow.com/questions/459833/which-open-source-licenses-are-compatible-with-the-apples-iphone-and-its-offici own hardware. In particular this section is relevant You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties with this License. You do..
Send and receive NSData via GameKit http://stackoverflow.com/questions/4837102/send-and-receive-nsdata-via-gamekit this 8K limit. I'm not being intentionally cryptic I don't know what the right API would be for your situation but the exercise of cooking up this Packet class left me thinking there's gotta be a better way. Hope this helps. share improve this answer..
How to use Three20 TTMessageController? http://stackoverflow.com/questions/5374684/how-to-use-three20-ttmessagecontroller
Using Core Graphics/ Cocoa, can you draw to a bitmap context from a background thread? http://stackoverflow.com/questions/702914/using-core-graphics-cocoa-can-you-draw-to-a-bitmap-context-from-a-background-t and drawing that onto my view in drawRect I'm also drawing some other stuff on top of that this is an exercise in isolating different levels of variability and complexity . This all works fine when it's all running on the main thread...
iMessage Style Receding Keyboard in an iOS App http://stackoverflow.com/questions/7780753/imessage-style-receding-keyboard-in-an-ios-app need to create an animation to move the keyboard off of the screen and then hide the view. I'll leave this part as an exercise to the readers. I've only tested this on the iOS 5 simulator and with an iPhone with iOS 5. I have not tested this with..
Encoding spaces in UITextView / UITextField to URL format http://stackoverflow.com/questions/917409/encoding-spaces-in-uitextview-uitextfield-to-url-format
How to manage Enterprise Distribution certificate expiration? http://stackoverflow.com/questions/9216485/how-to-manage-enterprise-distribution-certificate-expiration we have been dealing since the last 2 years. The in house applications do stop working after 1 year. It is a massive exercise for an organization like ours to rebuild hundreds of apps and redeploy it on thousands of devices every year. For us it.. like ours to rebuild hundreds of apps and redeploy it on thousands of devices every year. For us it is a month long exercise where we rebuild all our apps and inform all users to get new ones through the distribution channel. Still every year some..
Extracting a public key from key pair in key chain http://stackoverflow.com/questions/11467215/extracting-a-public-key-from-key-pair-in-key-chain to create a rsa key pair store it in the key chain and retrieve the public key. Fortunately Apple released a Crypto Exercise Sample where everything i need can be found class SecKeyWrapper functions generateKeyPair and getPublicKeyBits . But after..
Getting an NSInvalidArguementException error http://stackoverflow.com/questions/5815549/getting-an-nsinvalidarguementexception-error reason ' __NSCFDictionary controllerWillChangeContent unrecognized selector sent to instance 0x1ba1b0' method void addExercise if managedObjectContext nil managedObjectContext CurlAppDelegate UIApplication sharedApplication delegate managedObjectContext.. action @selector exerciseChooser self.navigationItem.rightBarButtonItem addButton addButton release NSError error nil Exercise exercise Exercise NSEntityDescription insertNewObjectForEntityForName @ Exercise inManagedObjectContext managedObjectContext.. exerciseChooser self.navigationItem.rightBarButtonItem addButton addButton release NSError error nil Exercise exercise Exercise NSEntityDescription insertNewObjectForEntityForName @ Exercise inManagedObjectContext managedObjectContext exercise.name..
I need help restructuring my method with better logic http://stackoverflow.com/questions/6163490/i-need-help-restructuring-my-method-with-better-logic can I fix this Original I have a detailViewController that is responsible for dealing with Core Data objects Session Exercise Set. The view's purpose is for the user to enter detail about their fitness workout. By default the Date is set to today.. @ Session inManagedObjectContext managedObjectContext session.timeStamp self.picker.date NSSet filteredExercisesFromSession session.exercises filteredSetUsingPredicate NSPredicate predicateWithFormat @ name @ selectedExerciseName if.. session.exercises filteredSetUsingPredicate NSPredicate predicateWithFormat @ name @ selectedExerciseName if filteredExercisesFromSession count 0 self.exercise filteredExercisesFromSession anyObject else self.exercise Exercise..
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