2014/10/15 下午 10:05:22

iphone Programming Glossary: complexities

http://stackoverflow.com/questions/1018369/accessing-web-service-from-iphone

. Best practices use operations NSOperation to handle the requests this is the best way I have found to reduce the complexities of threading with web calls and take everything off the main thread. For security make HTTPS calls. You might want to consider..

Weird Switch error in Obj-C

http://stackoverflow.com/questions/1180550/weird-switch-error-in-obj-c

of the C99 language spec in practical terms a bug in the C99 standard or if this is a pragmatic concession to the complexities of writing language grammars. If you're not familiar with writing grammars you'll notice that the above explanation allows..

What is a runloop?

http://stackoverflow.com/questions/4947556/what-is-a-runloop

thread and be done with it. No need for spinning up a thread using performSelectorOnMainThread or incurring all the complexities of guaranteeing data coherency across threads. Sorry didn't understand your question. Internally a run loop works by basically..

NSMutableString as retain/copy

http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy

ivar but it's best to use immutable ivars where possible and where in doubt rather than introducing a ton of threading complexities. in most cases you can remove the use of mutable strings from interfaces and build the strings when necessary as demonstrated..

UIAlertView starts to show, screen dims, but it doesn't pop up until it's too late!

http://stackoverflow.com/questions/5185223/uialertview-starts-to-show-screen-dims-but-it-doesnt-pop-up-until-its-too-la

reloaded Thanks in advance for any insight EDIT To anyone who uses performSelectorInBackground beware of the added complexities of creating what is effectively a threaded program. For example leaks might appear as the new thread doesn't have an autorelease..

iPhone SDK: what is the difference between loadView and viewDidLoad?

http://stackoverflow.com/questions/573958/iphone-sdk-what-is-the-difference-between-loadview-and-viewdidload