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2014/10/15 ¤U¤È 10:13:08

iphone Programming Glossary: randomly

iPhone: random() function gives me the same random number everytime

http://stackoverflow.com/questions/1449754/iphone-random-function-gives-me-the-same-random-number-everytime

every time I start the application I see that it creates or generates the same number. Like I am placing some images randomly based on that random number and I see all the images are placed at the same place no matter how many times I run the application...

Exception Breakpoint in Xcode

http://stackoverflow.com/questions/17802662/exception-breakpoint-in-xcode

alloc init int retVal UIApplicationMain argc argv nil @ AppController pool release return retVal My Project randomly crashed in below code searched in google and some one suggested to add Exception Breakpoint. I added break point by clicking..

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

performance I began to realize that the CFNetwork framework was leaking memory occasionally. Exceptions were randomly however rarely being raised inside CFNetwork too I tried everything I could to avoid those problems but nothing worked...

CoreData: “Dangling reference to an invalid object.” error

http://stackoverflow.com/questions/2003648/coredata-dangling-reference-to-an-invalid-object-error

in NSAffectedObjectsErrorKey and NSValidationErrorValue . But all these objects are valid. Furthermore this happens randomly sometimes it happens sometimes not and sometimes the list dumped in NSValidationErrorValue is longer sometimes shorter...

iPhone multi-threaded AddressBook manipulation

http://stackoverflow.com/questions/2382388/iphone-multi-threaded-addressbook-manipulation

because I noticed there are large performance improvements doing that. However I am getting EXEC_BAD_ACCESS errors now randomly and I think the reason is in this caveat in the iPhone reference implementation http developer.apple.com iphone library..

Random Sprite Destinations

http://stackoverflow.com/questions/3817637/random-sprite-destinations

Sprite Destinations I was able to make the targets spawn randomly along the top of the screen and dissappear at the bottom of the screen. The only problem is that the targets only move to..

MKErrorDomain error 4 iPhone

http://stackoverflow.com/questions/3926164/mkerrordomain-error-4-iphone

error 4 iPhone I keep getting this randomly when I run my gps app I'm building. It doesn't happen everytime and the coordinates passed in are always valid i nslog them..

Moving an object randomly around the screen

http://stackoverflow.com/questions/5034327/moving-an-object-randomly-around-the-screen

an object randomly around the screen I'm trying to animate a UIButton to move randomly around the screen in different directions. The code.. an object randomly around the screen I'm trying to animate a UIButton to move randomly around the screen in different directions. The code below is kind of working. The button will begin moving along a random..

AES interoperability between .Net and iPhone?

http://stackoverflow.com/questions/538435/aes-interoperability-between-net-and-iphone

in this case 0's. uint8_t iv kChosenCipherBlockSize memset void iv 0x0 size_t sizeof iv openssl by default prepends a randomly generated salt which is why the output is longer . The openssl output is more secure since it is prepending a random initialization..

Escape NSString for javascript input

http://stackoverflow.com/questions/5569794/escape-nsstring-for-javascript-input

NSString for javascript input I have a string of ASCII characters created randomly by NSString stringWithFormat @ c someNumber and I want to use that string as input for a javascript method. Something like..

Shuffling an array in objective-c [duplicate]

http://stackoverflow.com/questions/5659718/shuffling-an-array-in-objective-c

UIKit UIKit.h #else #include Cocoa Cocoa.h #endif This category enhances NSMutableArray by providing methods to randomly shuffle the elements. @interface NSMutableArray Shuffling void shuffle @end NSMutableArray_Shuffling.m #import NSMutableArray_Shuffling.h..

Allow User's Music to Play when Application is Running - Cocos2d

http://stackoverflow.com/questions/6130456/allow-users-music-to-play-when-application-is-running-cocos2d

but I would like to know how I could let the user play their own music from their playlists or if my application could randomly choose a song from their playlist. Is that possible Thanks iphone cocos2d cocos2d iphone share improve this question..

How to read objective-c stack traces

http://stackoverflow.com/questions/6462214/how-to-read-objective-c-stack-traces

reveal any more info. A long shot alternative is that the signal was generated somewhere else and this thread was randomly selected to handle it if you can consistently recreate this crash the random thread signal case is unlikely. Unless you..

How to properly call SQLite functions from background thread on iPhone?

http://stackoverflow.com/questions/745565/how-to-properly-call-sqlite-functions-from-background-thread-on-iphone

actions that I want to perform in a separate thread. I'm doing this mainly to minimize startup time. Occasionally randomly when these database calls are made from the background thread the app will crash with these errors 2009 04 13 17 36 09.932..

is it ok to use of a notification to communication back to the main thread of an IOS app? (cf performSelectorOnMainThread)

http://stackoverflow.com/questions/8032652/is-it-ok-to-use-of-a-notification-to-communication-back-to-the-main-thread-of-an

nsthread nsnotifications nsnotificationcenter share improve this question Actually there is a gottcha you'll crash randomly That has been my experience. This has to do with the fact that the object receiving the notification does so on the same..

How can I load images from a user's photo album on the iPhone?

http://stackoverflow.com/questions/818369/how-can-i-load-images-from-a-users-photo-album-on-the-iphone

can I load images from a user's photo album on the iPhone I'd like to randomly load images from the user's photo album but I'd prefer not to have to access an image picker i.e. I'd like to have the images.. have been stored in the Photo Album. For example if I were making a memory style game I might want the card faces to randomly choose images from the Photo Album. How might I go about that Edit 2 All I've been able to find is something like this http..

Objective-C: _variable

http://stackoverflow.com/questions/8545363/objective-c-variable

_pages NSArray alloc init but then Apple has this again not exactly like this but it appears as if they keep swapping randomly self.pages NSKeyedUnarchiver unarchiveObjectWithData contents And finally _pages release Which totally confuses me. What..

HTML5 Web SQL Transactions skipped without error when touch triggered in IOS

http://stackoverflow.com/questions/8741000/html5-web-sql-transactions-skipped-without-error-when-touch-triggered-in-ios

for '8'. about to insert '8'. transaction successful for '8' ... Now reload the page and while loading scroll and tap randomly. You will see some about to insert... messages are missing. database is running table will be cleared store method called..