2014/10/15 下午 10:05:47

iphone Programming Glossary: critical

What's the difference between NSNumber and NSInteger?

http://stackoverflow.com/questions/1285098/whats-the-difference-between-nsnumber-and-nsinteger

useful adding to them Yes NSUInteger gives twice the range among positive integers as NSInteger but I think another critical reason to choose between the two is simply to distinguish among cases where negative values simply do not make sense . Example..

Private iPhone App, without App Store?

http://stackoverflow.com/questions/2583920/private-iphone-app-without-app-store

iPhone App without App Store I am developing an iPhone app for a private company. It contains business critical data and should only be able to use for this company. Do I still need to go via the App store Is there not a private way..

Which OAuth library do you find works best for Objective-C/iPhone?

http://stackoverflow.com/questions/2838618/which-oauth-library-do-you-find-works-best-for-objective-c-iphone

detail id 29 The last code change was March 11 and this bug was filed on March 30. It has been over a month and this critical bug has not been fixed yet. So I have moved on to MGTwitterEngine. I pulled down the source code and loaded it up in Xcode...

iOS Question. Can I distribute the Xcode simulator versions of my app?

http://stackoverflow.com/questions/3104127/ios-question-can-i-distribute-the-xcode-simulator-versions-of-my-app

or is it more complicated than that Thanks Doug UPDATE Chrisbtoo got the answer on this one however he left of some critical bits for those of you trying this at home Path to Xcode simulator the simulator can be run standalone. Developer Platforms..

If you could buy two books on iOS development, which ones would you choose? [closed]

http://stackoverflow.com/questions/3196419/if-you-could-buy-two-books-on-ios-development-which-ones-would-you-choose

from the Cocoa Book on core concepts like Objects and Delegation etc. Covers Navigation TableViews Tab Bars which are critical to iPhone development. In both books every line of code in the sample projects are listed and explained in detail allowing..

NSFileManager creating folder (Cocoa error 513.)

http://stackoverflow.com/questions/3439408/nsfilemanager-creating-folder-cocoa-error-513

you find that the code 513 translates to the error NSFileWriteNoPermissionError . This provides you with the critical clue for solving this problem This is the bundle directory containing the application itself. Because an application must..

How to recognize swipe gesture in UIScrollView

http://stackoverflow.com/questions/3648967/how-to-recognize-swipe-gesture-in-uiscrollview

view when the image is not zoomed in and renabled it when it is zoomed in. This provides the expected behavior. The critical piece is to put the following in the scroll view's delegate void scrollViewDidZoom UIScrollView scrollView if scrollView.zoomScale..

Embedding Python in an iPhone app

http://stackoverflow.com/questions/3691655/embedding-python-in-an-iphone-app

based project and autoconf is a pain in the butt for cross compilation. As you correctly state making it small will be critical. Not surprising either is that you aren't the first person to want to do this but not for iOS. Python has been squeezed..

How to create drop down list box for an iphone app

http://stackoverflow.com/questions/3717309/how-to-create-drop-down-list-box-for-an-iphone-app

drop down control is quite a bunch of work compared to using the Picker and unless that particular control is mission critical I'd recommend you figure out how to use UIPicker inside your existing design. Not only does it already exist but users are..

Data Formatters temporarily unavailable, will re-try after a 'continue'

http://stackoverflow.com/questions/3843903/data-formatters-temporarily-unavailable-will-re-try-after-a-continue

phone console Xcode Organizer Your phone Console or the equivalent in iPCU . If it says something like memory level is critical and mentions killing your app then you've run out of memory. Additionally when you run out of memory the crash reporter..

to run app continously in the background

http://stackoverflow.com/questions/3947785/to-run-app-continously-in-the-background

when your app is in background. Imp This implementation drains the battery if your location data's accuracy is not critical you should use locationManager startMonitoringSignificantLocationChanges Before adding this to your app please read the..

Most effective way to do networking on Mac/iPhone?

http://stackoverflow.com/questions/4269613/most-effective-way-to-do-networking-on-mac-iphone

Mobile developer interview questions, that a non-mobile developer can ask [closed]

http://stackoverflow.com/questions/4391495/mobile-developer-interview-questions-that-a-non-mobile-developer-can-ask

starter list. If I've forgotten anything obvious it will soon be suggested. Note that item 10 memory management is the critical item. You just can't build finished working production mobile device apps unless you are a memory expert on your platform... to bring it home writing good code snippets is not enough you know. It's tough. Here's the stuff we forgot in the ten critical points list beginning already Matt points out they should be comfortable with MVC which stands for model view controller..

iPhone Development - Memory limitation for iphone application

http://stackoverflow.com/questions/457568/iphone-development-memory-limitation-for-iphone-application

app gets a memory warning such as in your view controller's didReceiveMemoryWarning method you need to release any non critical data. Anything that you're using that cached for example or that can be regenerated should be dumped. For example if your..

Is calling -[NSRunLoop runUntilDate:] a good idea?

http://stackoverflow.com/questions/4923621/is-calling-nsrunloop-rununtildate-a-good-idea

to run from within the run loop. More info I have a project right now that is fetching data from a REST service. One critical piece of information that needs to be obtained is the range of dates with valid data. It's a very small bit of data that..

Can you use cancel/isCancelled with GCD/dispatch_async?

http://stackoverflow.com/questions/5449469/can-you-use-cancel-iscancelled-with-gcd-dispatch-async

your variables contexts etc before abandoning the BG process. and then you must do this...... we have finished. it's critical to let the foreground know NOW or else it will sit there for about 4 to 6 seconds on 4.3 4.2 doing nothing until it realises..

Are the Core Image filters in iOS 5.0 fast enough for realtime video processing?

http://stackoverflow.com/questions/6625888/are-the-core-image-filters-in-ios-5-0-fast-enough-for-realtime-video-processing

repository if you wish to see where I got these numbers from. I've updated this answer from my original which was too critical of Core Image's performance. The sepia tone filter I was using as a basis of comparison was not performing the same operation..