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2014/10/15 ¤U¤È 10:10:41
iphone Programming Glossary: iteratingDelete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data error error Then just add the persistent store back to ensure it is recreated properly. The programmatic way for iterating through each entity is both slower and prone to error. The use for doing it that way is if you want to delete some entities..
Opening popup links in UIWebView, possible? http://stackoverflow.com/questions/1245224/opening-popup-links-in-uiwebview-possible used a similar approach to the first code snipped in Jasarian's answer to overwrite the target for links and forms by iterating over tags and forms. To override window.open I used code similar to the following var oldWindowOpen window.open window.open..
Reading audio buffer data with AudioQueue http://stackoverflow.com/questions/1248060/reading-audio-buffer-data-with-audioqueue c cocoa core audio audioqueueservices share improve this question char buffer NULL That's the reason. You're iterating over signed bytes not 16 bit samples. Declare the variable as holding a pointer to two byte values instead SInt16 buffer..
iPhone SDK: Non-transparent subviews in transparent view http://stackoverflow.com/questions/1409285/iphone-sdk-non-transparent-subviews-in-transparent-view the subview I want the buttons to be non transparent and have an alpha of 1.0 . I've tried to tackle this problem by iterating through the uibuttons and setting their alpha back to 1.0 without success. Solutions Create the subview and add it to the..
Core Data Migration Across Multiple Version Upgrades http://stackoverflow.com/questions/1557344/core-data-migration-across-multiple-version-upgrades Data book or online in the code examples . Google for progressivelyMigrateURL and one will find code for progressively iterating through models which would allow one to create mappings from model n to model n 1 while not worrying about the combinatorial..
iPhone (iOS): copying files from main bundle to documents folder error http://stackoverflow.com/questions/3246109/iphone-ios-copying-files-from-main-bundle-to-documents-folder-error @ Populator error error ... Edit Sorry misunderstood your question. Don't know if there's a better option then iterating through folder contents and copy each item separately. If you're targeting iOS4 you can use NSArray's enumerateObjectsUsingBlock..
how to remove all objects from Core Data http://stackoverflow.com/questions/3266084/how-to-remove-all-objects-from-core-data objects I know I can remove one by managedObjectContext deleteObject objToDelete is it possible to delete all without iterating all array thanks objective c iphone core data share improve this question Marking objects for deletion and then saving..
iOS MKMapView zoom to show all markers http://stackoverflow.com/questions/3434020/ios-mkmapview-zoom-to-show-all-markers You want to find the biggest and smallest latitude and longitude values among your annotations which you can do by iterating over map.annotations then set the map to show all of them. pad our map by 10 around the farthest annotations #define MAP_PADDING..
Setting text-color on selected tab bar item http://stackoverflow.com/questions/4352256/setting-text-color-on-selected-tab-bar-item a professional I recommend against you'll have to do some really frightening things to get this to work. I'd suggest iterating through the subviews of the UITabBar as many levels as necessary and looking for UILabel objects. If you find some you can..
Extracting ID3 tags from MP3 over HTTP Live Streaming http://stackoverflow.com/questions/5085677/extracting-id3-tags-from-mp3-over-http-live-streaming side of things to accomplish this including printing out self.musicPlayer.currentItem.asset.commonMetadata as well as iterating over each of the AVAssetTrack instances and printing out their metadata. for AVAssetTrack track in self.musicPlayer.currentItem.asset.tracks..
Assignment makes pointer from integer without a cast: address issue http://stackoverflow.com/questions/6111533/assignment-makes-pointer-from-integer-without-a-cast-address-issue makes pointer from integer without a cast Thank you iphone pointers share improve this question First off iterating manipulating and drawing 1000 UIViews is probably going to be unacceptably slow no matter how you do it. And I'll bet the.. matter how you do it. And I'll bet the drawing part is going to be your bottleneck so I doubt the difference between iterating through the subviews array or a 2D C array will make a noticeable difference in speed. That said to make the warning go..
Return NSArray from NSDictionary http://stackoverflow.com/questions/6481504/return-nsarray-from-nsdictionary cal setTimeZone NSTimeZone timeZoneForSecondsFromGMT 0 Construct DateComponents based on startDate so the iterating date can be created. Its massively important to do this assigning via the NSCalendar and NSDateComponents because of daylight.. with the timezone that was set above. If you just used startDate directly ie NSDate date startDate as the first iterating date then times would go up and down based on daylight savings. NSDateComponents comp cal components NSMonthCalendarUnit..
http://stackoverflow.com/questions/6488732/how-does-one-compare-one-image-to-another-to-see-if-they-are-similar-by-a-certai Thank you. iphone xcode image uiimage compare share improve this question As a quick simple algorithm I'd suggest iterating through about 1 of the pixels in each image and either comparing them directly against each other or keeping a running average..
NSDateComponents - day method returning wrong day http://stackoverflow.com/questions/6885896/nsdatecomponents-day-method-returning-wrong-day day I can't seem to figure out why the day doesn't change when I get to the 6th of November 2011. All I'm doing is iterating through the days. Any help would be appreciated. Here is my code NSCalendar calendar NSCalendar alloc initWithCalendarIdentifier..
Quartz 2D drawRect method (iPhone) http://stackoverflow.com/questions/716351/quartz-2d-drawrect-method-iphone way to do it would be to maintain an array of drawn objects and call drawRect each time the user adds something new iterating over each of the previously drawn objects in order. I might suggest an alternative approach where you create a new UIView..
how can I sort NSMutableDictionary with keys value? http://stackoverflow.com/questions/8118932/how-can-i-sort-nsmutabledictionary-with-keys-value iphone objective c nsmutabledictionary share improve this question A dictionary is unsorted by definition. For iterating over the keys in a specific order you can sort an array containing the keys of the dictionary. NSArray keys theDictionary..
iOS Stream Audio from one iOS Device to Another http://stackoverflow.com/questions/8357514/ios-stream-audio-from-one-ios-device-to-another this out So again the part I need help with is simply breaking up song data into packets or however it works then iterating through those packets and sending it through gamekit then parsing that data AS it comes in on the receiving device as PLAY..
Finding the closest point to a given point http://stackoverflow.com/questions/913576/finding-the-closest-point-to-a-given-point for the iPhone Spatial databases seem easiest but I am not sure. EDIT there are actually over 20 000 points. You think iterating through all of them is the way to do it But thanks for you input. Thanks. iphone objective c gps share improve this question..
http://stackoverflow.com/questions/9630237/nspredicate-subquery-syntax SUBQUERY A key path a variable and a predicate. The key path is the property of the object that we're going to be iterating. Since the SUBQUERY is being evaluated on the outer most dictionaries we're going to ask for the @ row_values of that dictionary..
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