2014/10/15 下午 10:04:34
iphone Programming Glossary: betweenHTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch What you need to do is parse the string and replace the entities with a byte matching the value between # and . I don't know of any great ways to do this in objective C but this stack overflow question might..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size coordinates and just doubled the pixels with the retina non retina problem won't work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from a list of options. Create a new UITableViewController..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone a real answer. But still SOAP should be avoided at all costs. Is it possible to add a proxy server between the iPhone and the web service Perhaps something that converts REST into SOAP for you You could try..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults made a custom class to hold some data. I make objects for this class and I need to them to last between sessions. Before I was putting all my information in NSUserDefaults but this isn't working. NSUserDefaults..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone allow me to 1 convert the core data records into a JSON string whilst maintaining the relationship between the entities and 2 convert the JSON string back into core data objects again preserving the relationship.. and 2 convert the JSON string back into core data objects again preserving the relationship between entities . I have searched unsuccessfully for a tutorial code sample on this point so any assistance..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone objective c cocoa touch share improve this question A quick and dirty removes everything between and solution works with iOS 3.2 NSString stringByStrippingHTML NSRange r NSString s self copy autorelease..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework There is a cunning trick Extracting precise frequencies from FFT Bins using phase change between frames to get the precise frequency for a given bin. Ok Now onto the code Note the 'ip' in vDSP_fft_zrip..
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios display. So if it's en display English . Hope this helps someone that's looking to differentiate between region and currently selected language. EDIT Worth to quote the header information from NSLocale.h NSArray..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar between self.ivar and ivar aclass.h @interface aClass NSObject NSString name @property nonatomic retain IBOutlet.. void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow up question How to write my own setter for an..
Determine device (iPhone, iPod Touch) with iPhone SDK http://stackoverflow.com/questions/448162/determine-device-iphone-ipod-touch-with-iphone-sdk iPhone SDK Is there a way to determine the device running an application. I want to distinguish between iPhone and iPod Touch if possible. iphone ios ipod touch share improve this question You can use..
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library library. I also read that if I use a private library Apple will not approve the app. Am I stuck between an Apple and a hard place or is there something I'm missing here iphone xcode share improve this..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers the best way to communicate between view controllers Being new to objective c cocoa and iPhone dev in general I have a strong desire to.. works. That's logical. However there are some stern warnings in the slide about communicating between your UIViewControllers. I'm going to quote from this serious of slides http cs193p.stanford.edu downloads.. Ok. I'm down with that. Don't blindly toss all your methods that will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers do I set up a simple delegate to communicate between two view controllers I have two UITableViewControllers and need to pass the value from the child view..
When do you make an underscore in front of an instance variable? [duplicate] http://stackoverflow.com/questions/837559/when-do-you-make-an-underscore-in-front-of-an-instance-variable share improve this question A lot of people use this for private variables to differentiate between private variables and public variables within an object. It is a completely optional way of working...
HTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch has to be encoded in RSS is it's a reserved special character. What you need to do is parse the string and replace the entities with a byte matching the value between # and . I don't know of any great ways to do this in objective C but this stack overflow question might be of some help. Edit Since answering this some two years..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size it has more pixels in height things like GCRectMake that use coordinates and just doubled the pixels with the retina non retina problem won't work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally don't think Apple will require you..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from a list of options. Create a new UITableViewController subclass SimpleTableViewController . Create a UITableViewController..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone this question One word Don't. OK obviously that isn't a real answer. But still SOAP should be avoided at all costs. Is it possible to add a proxy server between the iPhone and the web service Perhaps something that converts REST into SOAP for you You could try CSOAP a SOAP library that depends on libxml2 which is included..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults I realize my problem but I don't know how to fix it. I have made a custom class to hold some data. I make objects for this class and I need to them to last between sessions. Before I was putting all my information in NSUserDefaults but this isn't working. NSUserDefaults setObject forKey Attempt to insert non property value..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone a suitable JSON implementation for the iPhone which would allow me to 1 convert the core data records into a JSON string whilst maintaining the relationship between the entities and 2 convert the JSON string back into core data objects again preserving the relationship between entities . I have searched unsuccessfully for a.. string whilst maintaining the relationship between the entities and 2 convert the JSON string back into core data objects again preserving the relationship between entities . I have searched unsuccessfully for a tutorial code sample on this point so any assistance would be gratefully received. iphone objective c json core..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone ALT A B A comment script if a b a c script INCLUDE CDATA iphone objective c cocoa touch share improve this question A quick and dirty removes everything between and solution works with iOS 3.2 NSString stringByStrippingHTML NSRange r NSString s self copy autorelease while r s rangeOfString @ ^ options NSRegularExpressionSearch..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework pitch detector as it doesn't have nearly fine enough granularity. There is a cunning trick Extracting precise frequencies from FFT Bins using phase change between frames to get the precise frequency for a given bin. Ok Now onto the code Note the 'ip' in vDSP_fft_zrip ' in place ' ie output overwrites A 'r' means it takes..
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios the two letter codes to the string you would like to display. So if it's en display English . Hope this helps someone that's looking to differentiate between region and currently selected language. EDIT Worth to quote the header information from NSLocale.h NSArray preferredLanguages NS_AVAILABLE 10_5 2_0 note that this..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar between self.ivar and ivar aclass.h @interface aClass NSObject NSString name @property nonatomic retain IBOutlet NSString name @end aclass.m @implementation aClass @synthesize.. dealloc name release super dealloc void test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow up question How to write my own setter for an ivar i.e. self.ivar ... iphone objective c ios share improve..
Determine device (iPhone, iPod Touch) with iPhone SDK http://stackoverflow.com/questions/448162/determine-device-iphone-ipod-touch-with-iphone-sdk device iPhone iPod Touch with iPhone SDK Is there a way to determine the device running an application. I want to distinguish between iPhone and iPod Touch if possible. iphone ios ipod touch share improve this question You can use the UIDevice class as so NSString deviceType UIDevice currentDevice..
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library me I have to use Apple80211 which I understand is a private library. I also read that if I use a private library Apple will not approve the app. Am I stuck between an Apple and a hard place or is there something I'm missing here iphone xcode share improve this question On iOS 4.1 you can do this #import SystemConfiguration..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers the best way to communicate between view controllers Being new to objective c cocoa and iPhone dev in general I have a strong desire to get the most out of the language and the frameworks. One of.. stack. That's how the UINavigationController works. That's logical. However there are some stern warnings in the slide about communicating between your UIViewControllers. I'm going to quote from this serious of slides http cs193p.stanford.edu downloads 08 NavigationTabBarControllers.pdf Page 16 51 How Not.. make your code less reusable And more difficult to debug test Ok. I'm down with that. Don't blindly toss all your methods that will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff. A bit further on we get this slide..
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers do I set up a simple delegate to communicate between two view controllers I have two UITableViewControllers and need to pass the value from the child view controller to the parent using a delegate. I know what delegates..
When do you make an underscore in front of an instance variable? [duplicate] http://stackoverflow.com/questions/837559/when-do-you-make-an-underscore-in-front-of-an-instance-variable
HTML character decoding in Objective-C / Cocoa Touch http://stackoverflow.com/questions/1105169/html-character-decoding-in-objective-c-cocoa-touch special character. What you need to do is parse the string and replace the entities with a byte matching the value between # and . I don't know of any great ways to do this in objective C but this stack overflow question might be of some help...
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size GCRectMake that use coordinates and just doubled the pixels with the retina non retina problem won't work seamlessly between versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from a list of options. Create a new UITableViewController subclass..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone that isn't a real answer. But still SOAP should be avoided at all costs. Is it possible to add a proxy server between the iPhone and the web service Perhaps something that converts REST into SOAP for you You could try CSOAP a SOAP library..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults how to fix it. I have made a custom class to hold some data. I make objects for this class and I need to them to last between sessions. Before I was putting all my information in NSUserDefaults but this isn't working. NSUserDefaults setObject forKey..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone iPhone which would allow me to 1 convert the core data records into a JSON string whilst maintaining the relationship between the entities and 2 convert the JSON string back into core data objects again preserving the relationship between entities.. between the entities and 2 convert the JSON string back into core data objects again preserving the relationship between entities . I have searched unsuccessfully for a tutorial code sample on this point so any assistance would be gratefully..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone INCLUDE CDATA iphone objective c cocoa touch share improve this question A quick and dirty removes everything between and solution works with iOS 3.2 NSString stringByStrippingHTML NSRange r NSString s self copy autorelease while r s rangeOfString..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework fine enough granularity. There is a cunning trick Extracting precise frequencies from FFT Bins using phase change between frames to get the precise frequency for a given bin. Ok Now onto the code Note the 'ip' in vDSP_fft_zrip ' in place ' ie..
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios you would like to display. So if it's en display English . Hope this helps someone that's looking to differentiate between region and currently selected language. EDIT Worth to quote the header information from NSLocale.h NSArray preferredLanguages..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar between self.ivar and ivar aclass.h @interface aClass NSObject NSString name @property nonatomic retain IBOutlet NSString name.. test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow up question How to write my own setter for an ivar i.e. self.ivar..
Determine device (iPhone, iPod Touch) with iPhone SDK http://stackoverflow.com/questions/448162/determine-device-iphone-ipod-touch-with-iphone-sdk iPod Touch with iPhone SDK Is there a way to determine the device running an application. I want to distinguish between iPhone and iPod Touch if possible. iphone ios ipod touch share improve this question You can use the UIDevice class..
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library is a private library. I also read that if I use a private library Apple will not approve the app. Am I stuck between an Apple and a hard place or is there something I'm missing here iphone xcode share improve this question On iOS 4.1..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers the best way to communicate between view controllers Being new to objective c cocoa and iPhone dev in general I have a strong desire to get the most out of.. UINavigationController works. That's logical. However there are some stern warnings in the slide about communicating between your UIViewControllers. I'm going to quote from this serious of slides http cs193p.stanford.edu downloads 08 NavigationTabBarControllers.pdf.. to debug test Ok. I'm down with that. Don't blindly toss all your methods that will be used for communicating between the viewcontroller into your app delegate and reference the viewcontroller instances in the app delegate methods. Fair 'nuff...
How do I set up a simple delegate to communicate between two view controllers? http://stackoverflow.com/questions/6168919/how-do-i-set-up-a-simple-delegate-to-communicate-between-two-view-controllers do I set up a simple delegate to communicate between two view controllers I have two UITableViewControllers and need to pass the value from the child view controller to the..
When do you make an underscore in front of an instance variable? [duplicate] http://stackoverflow.com/questions/837559/when-do-you-make-an-underscore-in-front-of-an-instance-variable c cocoa cocoa touch share improve this question A lot of people use this for private variables to differentiate between private variables and public variables within an object. It is a completely optional way of working. share improve this..
Passing Values Between Master and Detail in UISplitViewController Using Storyboards http://stackoverflow.com/questions/10019422/passing-values-between-master-and-detail-in-uisplitviewcontroller-using-storyboa Values Between Master and Detail in UISplitViewController Using Storyboards I have defined the protocol in Customer.h file which is shown..
How to call SOAP service from Phonegap (iPhone app) http://stackoverflow.com/questions/11542195/how-to-call-soap-service-from-phonegap-iphone-app It's better to use jQuery Ajax functions. You can get the details here . Eg Posting XML SOAP Requests AJAX Requests Between jQuery Simple jQuery client to call a SOAP web service If you find any cross domain issues or working in a browser and not..
Finding Path/Route Between two points on MapKit in iPhone http://stackoverflow.com/questions/12002179/finding-path-route-between-two-points-on-mapkit-in-iphone Path Route Between two points on MapKit in iPhone I am trying to find the path between two locations on Mapkit. All I have is two locations...
Difference between NSOperation and NSInvocationOperation? http://stackoverflow.com/questions/12908886/difference-between-nsoperation-and-nsinvocationoperation and NSInvocationOperation 3 which one is the best iphone ios ipad share improve this question 1. Difference Between NSoperation and NSInvocationOperation An NSoperation object is a single shot object 𤴆hat is it executes its task once and..
Status bar appear over my view's bounds in iOS 7 [duplicate] http://stackoverflow.com/questions/18375898/status-bar-appear-over-my-views-bounds-in-ios-7 and controls in the storyboard or XIB files to learn more about constraints see 𦒄onstraints Express Relationships Between Views . If both versions of a standard app should have a similar layout and you 胩e not using Auto Layout use offsets. To..
Ad Hoc Wifi Connection Between iPhone & Mac - Possible? http://stackoverflow.com/questions/1848525/ad-hoc-wifi-connection-between-iphone-mac-possible Hoc Wifi Connection Between iPhone Mac Possible I was just wondering if it is possible to set up a data transfer tunnel between an iPhone and a Mac..
iPhone: How to Pass Data Between Several Viewcontrollers in a Tabbar App http://stackoverflow.com/questions/2363777/iphone-how-to-pass-data-between-several-viewcontrollers-in-a-tabbar-app How to Pass Data Between Several Viewcontrollers in a Tabbar App I have following problem I have built a tabbar application with 4 tabs. I want..
Error Domain=SKErrorDomain Code=3 UserInfo=0x2a5a00 “Cannot connect to iTunes Store” http://stackoverflow.com/questions/2847111/error-domain-skerrordomain-code-3-userinfo-0x2a5a00-cannot-connect-to-itunes-st Profile. I changed it to the correct profile. This didn't work either though. Still having the same problem. Between the time it was working and then not working the only thing I really did was implement Facebook Connect. One interesting..
Are there any huge differences between objective-c and Java, or iPhone and Android? http://stackoverflow.com/questions/3326110/are-there-any-huge-differences-between-objective-c-and-java-or-iphone-and-andro a look but can't find anything that answers this though a few have shortened the question by answering parts of it. Between a small group we were planning on doing some work on iPhone and Android the 2 seperate for the most part but helping each..
Get String Between Two Other Strings in ObjC http://stackoverflow.com/questions/4002360/get-string-between-two-other-strings-in-objc String Between Two Other Strings in ObjC I am trying to parse a string and get another string in the middle. ie. Hello world this is a.. X 10.0 actually . So what you want is a new method on NSString like this @interface NSString CWAddition NSString stringBetweenString NSString start andString NSString end @end No problem and we assume we should return nil is no such strings could.. The implementation using NSString only is quite straight forward @implementation NSString NSAddition NSString stringBetweenString NSString start andString NSString end NSRange startRange self rangeOfString start if startRange.location NSNotFound..
Xcode: Connection Between View Controllers and App Delegate http://stackoverflow.com/questions/6560772/xcode-connection-between-view-controllers-and-app-delegate Connection Between View Controllers and App Delegate This is probably a noob question but can't get my head around it. How do i make a connection..
Intersection Between 2 lines in COCOS2D http://stackoverflow.com/questions/8076036/intersection-between-2-lines-in-cocos2d Between 2 lines in COCOS2D I am developing a game using COCOS2D. In my game there are 4 points each point is connected with each..
main Differenece Between View-Based and Window-Based Application template? http://stackoverflow.com/questions/814575/main-differenece-between-view-based-and-window-based-application-template Differenece Between View Based and Window Based Application template What Is The Main Difference Between a View Based Application Template.. Differenece Between View Based and Window Based Application template What Is The Main Difference Between a View Based Application Template And Window Based Application Template In Iphone iphone xcode xcode template share improve..
Get an Accurate Time Difference Between Two NSDates? http://stackoverflow.com/questions/8387360/get-an-accurate-time-difference-between-two-nsdates an Accurate Time Difference Between Two NSDates Is there any way to find out an accurate difference between two NSDates I have found solutions but they aren't..
How to optimize Core Data query for full text search http://stackoverflow.com/questions/1774369/how-to-optimize-core-data-query-for-full-text-search performed searches along the lines of SELECT id FROM textTable JOIN SELECT DISTINCT textTableId FROM words WHERE word BETWEEN 'foo' AND 'fooz' ON id textTableId LIMIT 50 This runs very fast. Using an IN would probably work just as well i.e. SELECT.. IN would probably work just as well i.e. SELECT FROM textTable WHERE id IN SELECT textTableId FROM words WHERE word BETWEEN 'foo' AND 'fooz' LIMIT 50 The LIMIT is crucial and allows me to display results quickly. I notify the user that there are..
iOS: How do I generate 8 unique random integers? http://stackoverflow.com/questions/6153550/ios-how-do-i-generate-8-unique-random-integers NSMutableArray alloc init autorelease int r while uniqueNumbers count 8 r arc4random M ADD 1 TO GET NUMBERS BETWEEN 1 AND M RATHER THAN 0 and M 1 if uniqueNumbers containsObject NSNumber numberWithInt r uniqueNumbers addObject NSNumber.. NSMutableArray alloc init for int i 0 i M i listOfNumbers addObject NSNumber numberWithInt i ADD 1 TO GET NUMBERS BETWEEN 1 AND M RATHER THAN 0 and M 1 NSMutableArray uniqueNumbers NSMutableArray alloc init autorelease int r while uniqueNumbers..
Subquery in SQLite query not working http://stackoverflow.com/questions/843604/subquery-in-sqlite-query-not-working sub_parent SELECT node.name COUNT parent.name 1 AS depth FROM line_items AS node line_items AS parent WHERE node.lft BETWEEN parent.lft AND parent.rgt AND node.name 'Power Up' GROUP BY node.name ORDER BY node.lft AS sub_tree WHERE node.lft BETWEEN.. parent.lft AND parent.rgt AND node.name 'Power Up' GROUP BY node.name ORDER BY node.lft AS sub_tree WHERE node.lft BETWEEN parent.lft AND parent.rgt AND node.lft BETWEEN sub_parent.lft AND sub_parent.rgt AND sub_parent.name sub_tree.name GROUP.. Up' GROUP BY node.name ORDER BY node.lft AS sub_tree WHERE node.lft BETWEEN parent.lft AND parent.rgt AND node.lft BETWEEN sub_parent.lft AND sub_parent.rgt AND sub_parent.name sub_tree.name GROUP BY node.name HAVING depth 1 ORDER BY node.lft..
Retrieve month part from date saved in sqlite database table for displaying month wise data http://stackoverflow.com/questions/8725685/retrieve-month-part-from-date-saved-in-sqlite-database-table-for-displaying-mont have a straight forward query for retrieving all the reminders from a specific month SELECT FROM reminders WHERE Date BETWEEN '2012 01 01' AND '2012 01 31' It works perfect but I need to reference the January February March selected from picker view..
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