2014/10/15 下午 10:03:31

iphone Programming Glossary: advised

http://stackoverflow.com/questions/11603284/weak-references-inside-a-block

reference to any instances in the block and the calling object also has a strong hold on the block so it has been advised to do something like the following __weak Cell weakSelf self NSBlockOperation op NSBlockOperation blockOperationWithBlock..

NSManagedObjectContext performBlockAndWait: doesn't execute on background thread?

http://stackoverflow.com/questions/11831946/nsmanagedobjectcontext-performblockandwait-doesnt-execute-on-background-thread

except anything tied to the main thread. Thus expecting a performBlockAndWait to not execute on the main thread is not advised because it will execute on the thread that called it. performBlockAndWait uses GCD but it also has its own layer e.g. to..

Updating & changing settings plist files with new versions of an app

http://stackoverflow.com/questions/1609305/updating-changing-settings-plist-files-with-new-versions-of-an-app

go about merging NSDictionary's that could have several nested values with sub arrays and sub dictionaries Also is it advised to have a separate custom plist file for settings or should you always use NSUserDefaults Does NSUserDefaults handle versioning..

Weak link framework

http://stackoverflow.com/questions/2627797/weak-link-framework

framework to my project. As I wish to deploy my application to 2.x OS devices I have weak linked MessageUI as advised. If I build for iPhone device 3.0 it works fine. If I build for iPhone device 2.2.1 I get a link error ld framework not..

How persistent is [NSUserDefaults standardUserDefaults]?

http://stackoverflow.com/questions/3133127/how-persistent-is-nsuserdefaults-standarduserdefaults

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

PVRUniSCo compiler part of their SDK this shader uses 11 GPU cycles at best 16 cycles at worst. I'm aware that you're advised not to use branching in a shader but in this case that led to better performance than otherwise. When I simplify it to precision..

iPhone UIWebView - How do you set the zoom level and position?

http://stackoverflow.com/questions/674368/iphone-uiwebview-how-do-you-set-the-zoom-level-and-position

iphone: Apple ID does not have permission to access iTunes Connect

http://stackoverflow.com/questions/7697327/iphone-apple-id-does-not-have-permission-to-access-itunes-connect

I send an Email to IOS eurodev@apple.com and they send me this response which clears the conflict. Please be advised that you currently have an Enterprise Developer Account. As an Enterprise Developer you do not have access to iTunes Connect..

How to determine the collision of a circle with a rectangle?

http://stackoverflow.com/questions/8029372/how-to-determine-the-collision-of-a-circle-with-a-rectangle

their approach to circle vs rectangle collision detection . If any of this seems too much for you you're hereby advised to look for a simpler approach. For example since you mentioned arrow that implies a pointed thin object that tends to fly..

Transparent iphone application

http://stackoverflow.com/questions/9514376/transparent-iphone-application