2014/10/15 下午 10:05:32

iphone Programming Glossary: convenient

http://stackoverflow.com/questions/1052951/fuzzy-date-algorithm-in-objective-c

c algorithm datetime share improve this question Dates are represented in Cocoa using the NSDate class. There is a convenient method implemented in NSDate to obtain the delta in seconds between two date instances timeIntervalSinceDate . This is called..

Declaration/definition of variables locations in ObjectiveC?

http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec

they would be used in C. I've seen them used for implementing static variable based singletons before. Are there other convenient uses I'm missing My take from working with iOS is that ivars have been alost completely phased out outside of the @synthesize..

AES Encryption for an NSString on the iPhone

http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone

0 Given this code and the fact that encrypted data will not always translate nicely into an NSString it may be more convenient to write two methods that wrap the functionality you need in forward and reverse... NSData encryptString NSString plaintext..

Handling redirects correctly with NSURLConnection

http://stackoverflow.com/questions/1446509/handling-redirects-correctly-with-nsurlconnection

form . Note that before I ship this both URLs are going to be secure. However the nonsecure to secure seems like a convenient redirect to test this on. I'm accessing a web API using NSURLConnection that redirects me. Basically I want to take everything..

apply style to range of text with javascript in uiwebview

http://stackoverflow.com/questions/2887101/apply-style-to-range-of-text-with-javascript-in-uiwebview

The following works in recent WebKit browsers including Safari on iPhone running OS 3.0. It uses the non standard but convenient intersectsNode method of Range which exists in WebKit but was removed from Firefox in 3.0 so it doesn't work in recent versions..

How to dump data stored in objective-c object (NSArray or NSDictionary)

http://stackoverflow.com/questions/289241/how-to-dump-data-stored-in-objective-c-object-nsarray-or-nsdictionary

functions. Perl has the Data Dumper CPAN class etc etc. Is there something like this for Objective C It would be very convenient in a few cases to be able to dump everything like that instead of using gdb to inspect each variable. iphone objective..

Handling Touch Event in UILabel and hooking it up to an IBAction

http://stackoverflow.com/questions/3169798/handling-touch-event-in-uilabel-and-hooking-it-up-to-an-ibaction

trigger an IBAction method IBAction next which updates the text on the label to say something new. It would be really convenient if this allowed me to simply drag a connection from my method to my label and then select touch up inside as with a button...

Xcode — get force_load to work with relative paths

http://stackoverflow.com/questions/4787279/xcode-get-force-load-to-work-with-relative-paths

and itself. I can avoid this by using an absolute path with the flag. But this is not a wonderful solution as it is convenient to keep source code for libraries within my documents directory. But the path to the documents directory will be different..

xcode 4 debugging shows 'Summary Unavailable' for most objects

http://stackoverflow.com/questions/5301582/xcode-4-debugging-shows-summary-unavailable-for-most-objects

How to create singleton class in objective C

http://stackoverflow.com/questions/5381085/how-to-create-singleton-class-in-objective-c

probably find quite a few different techniques to do this on the web. However for iOS app development I think the most convenient way is to do the following Write your method s for getting the singleton object. Recommendation use dispatch_once thread..

How do I debug with NSLog(@“Inside of the iPhone Simulator”)?

http://stackoverflow.com/questions/558568/how-do-i-debug-with-nsloginside-of-the-iphone-simulator

Xcode development environment iphone objective c cocoa xcode nslog share improve this question There's a far more convenient way to trace with log messages in Xcode and that's using Breakpoint Actions. On the line of code where you'd be tempted..

iPhone — How to find topmost view controller

http://stackoverflow.com/questions/6131205/iphone-how-to-find-topmost-view-controller

&mdash How to find topmost view controller I've run into a couple of cases now where it would be convenient to be able to find the topmost view controller the one responsible for the current view but haven't found a way to do it...

Understanding reference counting with Cocoa and Objective-C

http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c

Ref count is back to 1 s release Ref count is 0 object is freed Now for autorelease . Autorelease is used as a convenient and sometimes necessary way to tell the system to free this object up after a little while. From a plumbing perspective..

app rejected from apple app store because UIWebview, need some advice

http://stackoverflow.com/questions/7421002/app-rejected-from-apple-app-store-because-uiwebview-need-some-advice

from the general experience of using Safari as required by the App Store Review Guidelines. You may wish to provide convenient access to a web property for a select or niche group of users and may enhance that experience with features such as Push..

disable/enable return key in UITextField?

http://stackoverflow.com/questions/788323/disable-enable-return-key-in-uitextfield

itself something not exposed in the SDK mind you so Apple may not be happy if you use these calls then there's a convenient setReturnKeyEnabled member function. id keyboard self magicallyGetAUIKeyboardInstance keyboard setReturnKeyEnabled NO via..

iPhone - how to save user settings from application?

http://stackoverflow.com/questions/789404/iphone-how-to-save-user-settings-from-application

last active database name in order to open last database when user enters an application again. It's a little bit no convenient to create for this purpose a special database and store those values in it because I have only a couple of variables to..

Custom font in a storyboard?

http://stackoverflow.com/questions/9090745/custom-font-in-a-storyboard

or can I do this through the storyboard interface Note that I can get this working in code but it would be much more convenient to do this via the storyboard. iphone ios cocoa touch storyboard custom font share improve this question I know this.. to find an easy way to specify a custom font in Storyboard or Interface Builder easily for iOS 5 and I found a quite convenient solution. First make sure that you've added the font to the project by following this tutorial . Also remember that UINavigationBar..

NSCoding VS Core data

http://stackoverflow.com/questions/9569466/nscoding-vs-core-data

i.e. you can get back the values of the members of the object without having them always in the memory. This is a very convenient way to store a lot of structured data. For example if you'd write a web browser you could store the bookmarks of the user..

Use storyboards in a project which has .xib files- iPhone

http://stackoverflow.com/questions/9701873/use-storyboards-in-a-project-which-has-xib-files-iphone

the old .xib files in my iPhone application. But when it comes to tableViewController storyboard is a lot more convenient in order to make custom cells etc. Is it possible to make a .xib based application and in the middle of it to use a storyboard..