2014/10/15 下午 10:06:52

iphone Programming Glossary: discard

http://stackoverflow.com/questions/1117263/instruments-leaks-and-nsdateformatter

my memory goes up about 1mb and stays even though these NSDates should be dealloc'd after the parsing I just discard them if they aren't new . I thought the malloc in my heaviest stack trace below could become part of the NSDate but I also..

Core Data could not fullfil fault for object after obtainPermanantIDs

http://stackoverflow.com/questions/11321717/core-data-could-not-fullfil-fault-for-object-after-obtainpermanantids

contexts just merge from those DidSave notifications. Finally on the database impact of permanent IDs. It is OK to discard the MOC. The disk is hit and the metadata is changed but the objects are not persisted. Honestly I did not do a large test..

Why is my CLLocation speed so inaccurate?

http://stackoverflow.com/questions/1180050/why-is-my-cllocation-speed-so-inaccurate

walking is not the same as traveling by car etc. Moreover when you request high accuracy from the GPS you must always discard the very first location provided by the GPS and use the second one as the starting location. Quoting the Apple documentation.. in less than a second with high accuracy. Second only use meaningful values for the location coordinates you should discard values with negative horizontalAccuracy. This is what I am referring to when speaking of good locations. Third you can compute..

Drag UIView around Shape Comprised of CGMutablePaths

http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths

from earlier CGPoint p lastPointOfPathElement element if p return If the endpoint is too close to the prior point we discard it if hypotf p x priorPoint.x p y priorPoint.y kMinimumDistance return Otherwise we append it to the data and save it as.. we need to filter. The very first point along the path might be too close to the very last point. If so we'll just discard the last point by decrementing the count if pathPointsCount_ 1 hypotf pathPoints_ 0 .x priorPoint.x pathPoints_ 0 .y priorPoint.y..

Large scrolling background in OpenGL ES

http://stackoverflow.com/questions/217822/large-scrolling-background-in-opengl-es

a working code before I get to optimizing. I thought that maybe the OpenGL implementation would be smart enough to discard the invisible portion of the background but according to some measuring code I wrote it looks like background takes 7 ms..

Can I force an iPhone user to upgrade an application?

http://stackoverflow.com/questions/2221436/can-i-force-an-iphone-user-to-upgrade-an-application

want to force the upgrade whenever I upload a newer version because the upgrade will have more features and I want to discard the previous version. Is this possible by default with iPhone or do I have to write my own implementation to check the current..

objc warning: “discard qualifiers from pointer target type”

http://stackoverflow.com/questions/329555/objc-warning-discard-qualifiers-from-pointer-target-type

warning &ldquo discard qualifiers from pointer target type&rdquo When compiling this char str NSString stringWithFormat @ i days and i hours days.. this char str NSString stringWithFormat @ i days and i hours days hours UTF8String I get this warning initialization discards qualifiers from pointer target type How do I get rid of it iphone objective c cocoa share improve this question The..

iPhone - MPMoviePlayerController : sample code demonstrating two problems

http://stackoverflow.com/questions/4535751/iphone-mpmovieplayercontroller-sample-code-demonstrating-two-problems

I tried and one of these fixed it create a new MPMoviePlayerController for every movie I needed a thumb of. Use and discard. after getting the thumbnail back in the notification call stop on the MPMoviePlayerController before releasing it. In general.. the thumbnail back in the notification call stop on the MPMoviePlayerController before releasing it. In general discarding or recycling MPMoviePlayerControllers while still playing seems dangerous. No idea on the UIImagePickerController interactions..

Apple Push Notification

http://stackoverflow.com/questions/5317061/apple-push-notification

If an invalid device token is sent to the wrong environment the push service will see that as an invalid token and discard the notification. If you remove your app from your device and then send a push notification to it you would expect to have..

What are all the custom URL schemes supported by the Facebook iPhone app?

http://stackoverflow.com/questions/5707722/what-are-all-the-custom-url-schemes-supported-by-the-facebook-iphone-app

aid fb upload album user.fbid aid fb upload checkin checkinId fb upload checkin showUploadMenuWithCheckinID fb upload discard fb upload profile fbid fb upload profile owner.fbid fb upload profile showUploadMenuWithUID fb upload resume fb userset..

How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation?

http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener

to 35 ms. EDIT 2 5 31 2011 I've revisited Tommy's idea of using the step function now that I have fewer fragments to discard due to the octagons. This combined with a depth lookup texture for the sphere now leads to a 2 ms average rendering time..

UIPickerView - 1st row selection does not call didSelectRow

http://stackoverflow.com/questions/788357/uipickerview-1st-row-selection-does-not-call-didselectrow

class provides a built in button for clearing the current text. So if the user does not want that text he can discard it. myTextField.clearButtonMode UITextFieldViewModeAlways So in the script will you check if the TextField has a value if..

iPhone: Bonjour NSNetService IP address and port

http://stackoverflow.com/questions/938521/iphone-bonjour-nsnetservice-ip-address-and-port

this as well. There are a few problems with the code above It's not IPv6 savvy. At a minimum it should detect and discard IPv6 addresses if the rest of your app can only handle v4 addresses but ideally you should be prepared to pass both address..