2014/10/15 下午 10:15:35

iphone Programming Glossary: useless

Optimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone

http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the

code below. If anyone can comment on how I can speed this up that would be great. Until I speed it up it's rather useless in my app as it currently takes around 3 4 minutes to gather info a duration that's not accept by my target demographic...

Iphone CGContextShowTextAtPoint for Japanese characters

http://stackoverflow.com/questions/1237565/iphone-cgcontextshowtextatpoint-for-japanese-characters

Verify receipt for in App purchase

http://stackoverflow.com/questions/1298998/verify-receipt-for-in-app-purchase

intend to add the receipt data to my database. The store kit programming guide and the class references are less than useless for this particular area as they don't really give you any sort of example I did find one useful article which helped me..

How to display a base64 image within a UIImageView?

http://stackoverflow.com/questions/1366837/how-to-display-a-base64-image-within-a-uiimageview

Is there any way at all that I can tell how hard the screen is being pressed

http://stackoverflow.com/questions/2103447/is-there-any-way-at-all-that-i-can-tell-how-hard-the-screen-is-being-pressed

0x70 GSPathInfo We notice that there is a pathPressure and pathMajorRadius . I can assure you the pressure member is useless it always gives 0. However pathMajorRadius does contain meaningful information it gives the major radius of the touch in..

ABAddressBook ABSource and ABSourceType

http://stackoverflow.com/questions/3108413/abaddressbook-absource-and-absourcetype

go about searching the GAL for names containing a specific string e.g. Smi My source code at the moment is all but useless as I am simply trying to wrap my head around how to specify that I am wanting only to search the GAL and not the local contacts..

Which conditional compile to use to switch between Mac and iPhone specific code?

http://stackoverflow.com/questions/3181321/which-conditional-compile-to-use-to-switch-between-mac-and-iphone-specific-code

in your observations. TARGET_OS_MAC will be 1 when building a Mac or iPhone application. You're right it's quite useless for this sort of thing. However TARGET_OS_IPHONE is 0 when building a Mac application. I use TARGET_OS_IPHONE in my headers..

Understanding the memory consumption on iPhone

http://stackoverflow.com/questions/363493/understanding-the-memory-consumption-on-iphone

really matter but the Memory Monitor can 脌 tell you where exactly the memory goes. The Object Alloc tool is almost useless for tracking the real memory usage. When I create a texture the allocated memory counter goes up for a while reading the..

RESTful frameworks for Android, iOS…?

http://stackoverflow.com/questions/4097686/restful-frameworks-for-android-ios

with no modification I saw cases where the naming changed from oauth_token to my_token which makes most library useless without modification OAuth REST Use creation modified timestamp and remote ids for all objects in order to enable caching..

How to Sync iPhone Core Data with web server, and then push to other devices?

http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices

NSString retainCount is 2147483647 [duplicate]

http://stackoverflow.com/questions/5483357/nsstring-retaincount-is-2147483647

you looked. Don't look and it will be the value you expect. Seriously. Don't call retainCount . Not ever. It is useless. Why it is such a ridiculous number is because of an implementation detail. @ ... is a constant string. NSString can recognize..

iOS: Movement Precision in 3D Space

http://stackoverflow.com/questions/5550453/ios-movement-precision-in-3d-space

No not really. If you integrate the accelerometer values twice you get position but the error is horrible. It is useless in practice. Here is an explanation why Google Tech Talk at 23 20. What you actually could do is to discover your hidden..

iPhone/iPad App Code Obfuscation - Is it Possible? Worth it?

http://stackoverflow.com/questions/5556849/iphone-ipad-app-code-obfuscation-is-it-possible-worth-it

might be worthwhile. Obfuscation has its downsides you can't debug your obfuscated app any more. Crash reports will be useless. You might also want to read the article Obfuscating Cocoa . Back to the fact there doesn't seem to be an obfuscator What..

track small movements of iphone with no GPS

http://stackoverflow.com/questions/6158176/track-small-movements-of-iphone-with-no-gps

improve this question If you integrate the acceleration twice you get position but the error is horrible. It is useless in practice. Here is an explanation why Google Tech Talk at 23 20. I highly recommend this video. I answered a similar question..

How to draw graphics in iphone gesture?

http://stackoverflow.com/questions/6173685/how-to-draw-graphics-in-iphone-gesture

location gR locationInView self else if gR state UIGestureRecognizerStateEnded The following code in this block is useless due to context nil CGContextRef context UIGraphicsGetCurrentContext CGContextAddRect context CGRectMake 30.0 30.0 60.0 60.0.. I don't know why PanIncicator drawRect doesn't get called panIndicator drawRect CGRectMake 0 0 100 100 CGRectMake is useless iphone xcode gesture share improve this question You should keep track of the finger in your application's data part...

Distance moved by Accelerometer

http://stackoverflow.com/questions/6645126/distance-moved-by-accelerometer

improve this question You get position by integrating the linear acceleration twice but the error is horrible. It is useless in practice. Here is an explanation why Google Tech Talk at 23 20. I highly recommend this video. However the gyro mouse..

Memory usage grows with CTFontCreateWithName and CTFramesetterRef

http://stackoverflow.com/questions/8491841/memory-usage-grows-with-ctfontcreatewithname-and-ctframesetterref

count of the font. Thanks iphone objective c ios fonts core text share improve this question retainCount is useless. Don't call it. If your app's memory is growing in a repeatable fashion use Heapshot Analysis to figure out what is consuming.. saw that it was occupied by this object that's why i checked retain count. The absolute retain count of an object is useless. That it is still in memory means that it is over retained and the retain count itself can't really tell you anything more..