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2014/10/15 ¤U¤È 10:13:59
iphone Programming Glossary: setsDifference between objectForKey and valueForKey? http://stackoverflow.com/questions/1062183/difference-between-objectforkey-and-valueforkey NSNumber anotherAccountNumber newAccount valueForKey @ accountNumber Those are equivalent sets of statements. I know you're thinking wow but sarcastically. KVC doesn't look all that useful. In fact..
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like a Yep I've already got it Nope but I'd love to try it and Leave me alone button. The Yep button sets the cookie to true and redirects to your uri The Nope button redirects to http itunes.com apps yourappname.. itunes.com apps yourappname which will open the App Store on the device The Leave me alone button sets the cookie to false and closes the modal The other option I've played with but found a little clunky..
NSURLConnection and Basic HTTP Authentication http://stackoverflow.com/questions/1973325/nsurlconnection-and-basic-http-authentication c share improve this question I'm using an asynchronous connection with MGTwitterEngine and it sets the authorization in the NSMutableURLRequest theRequest like so NSString authStr NSString stringWithFormat..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar the compiler which will first release the current string then retains the new string and finally sets name to the retained string. Just calling name foo does nothing more than assigning name to foo. This..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file objects will be placed. void CreatePDFFile CGRect pageRect const char filename This code block sets up our PDF Context so that we can draw to it CGContextRef pdfContext CFStringRef path CFURLRef url CFMutableDictionaryRef..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom the issue entirely on the simulator either because the next time the user zooms the transform resets itself to whatever zoom level it was at and so it looks like if I was zoomed to 2x for example it's.. UIScrollView doesn't appear to monitor the content view transform so on the next zoom operation it sets the transform of the content view to whatever the overall scale factor is. Since you've manually redrawn..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices queue to send when it does come online. The server sitting in the cloud merges the specific change sets it receives with its master database. After a change set or a queue of change sets is merged on the.. specific change sets it receives with its master database. After a change set or a queue of change sets is merged on the cloud server the server pushes all of those change sets to the other devices registered.. set or a queue of change sets is merged on the cloud server the server pushes all of those change sets to the other devices registered with the server using some sort of polling system. I thought to use..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature works fine in the US and most locales UNTIL ... someone with their phone set to a 24 hour region sets the 12 24 hour switch in settings to 12. Then the above starts tacking AM or PM onto the end of the..
Difference between objectForKey and valueForKey? http://stackoverflow.com/questions/1062183/difference-between-objectforkey-and-valueforkey init newAccount setValue anAccountNumber forKey @ accountNumber NSNumber anotherAccountNumber newAccount valueForKey @ accountNumber Those are equivalent sets of statements. I know you're thinking wow but sarcastically. KVC doesn't look all that useful. In fact it looks wordy . But when you want to change things at runtime..
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like you know Your Site Name has an iPhone application modal with a Yep I've already got it Nope but I'd love to try it and Leave me alone button. The Yep button sets the cookie to true and redirects to your uri The Nope button redirects to http itunes.com apps yourappname which will open the App Store on the device The Leave.. and redirects to your uri The Nope button redirects to http itunes.com apps yourappname which will open the App Store on the device The Leave me alone button sets the cookie to false and closes the modal The other option I've played with but found a little clunky was to do the following in Javascript setTimeout function window.location..
NSURLConnection and Basic HTTP Authentication http://stackoverflow.com/questions/1973325/nsurlconnection-and-basic-http-authentication an authorized resource from the server . iphone objective c share improve this question I'm using an asynchronous connection with MGTwitterEngine and it sets the authorization in the NSMutableURLRequest theRequest like so NSString authStr NSString stringWithFormat @ @ @ self username self password NSData authData authStr..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar it will call the setName NSString str mutator generated by the compiler which will first release the current string then retains the new string and finally sets name to the retained string. Just calling name foo does nothing more than assigning name to foo. This also means that you can only call self.xxx when you have defined..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file write to a PDF file having to calculate where lines and other objects will be placed. void CreatePDFFile CGRect pageRect const char filename This code block sets up our PDF Context so that we can draw to it CGContextRef pdfContext CFStringRef path CFURLRef url CFMutableDictionaryRef myDictionary NULL Create a CFString from..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom an EXC_BAD_ACCSES on the device. This doesn't even solve the issue entirely on the simulator either because the next time the user zooms the transform resets itself to whatever zoom level it was at and so it looks like if I was zoomed to 2x for example it's suddenly at 4x. When I finish the zoom it ends up at the correct.. the new size scale. However this causes a problem because UIScrollView doesn't appear to monitor the content view transform so on the next zoom operation it sets the transform of the content view to whatever the overall scale factor is. Since you've manually redrawn your view at the last scale factor it compounds the scaling..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices device is not online the app will add the change set to a queue to send when it does come online. The server sitting in the cloud merges the specific change sets it receives with its master database. After a change set or a queue of change sets is merged on the cloud server the server pushes all of those change sets to the.. come online. The server sitting in the cloud merges the specific change sets it receives with its master database. After a change set or a queue of change sets is merged on the cloud server the server pushes all of those change sets to the other devices registered with the server using some sort of polling system. I thought.. sets it receives with its master database. After a change set or a queue of change sets is merged on the cloud server the server pushes all of those change sets to the other devices registered with the server using some sort of polling system. I thought to use Apple's Push services but apparently according to the comments..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature dateStr fmt stringFromDate someDate fmt release Then it works fine in the US and most locales UNTIL ... someone with their phone set to a 24 hour region sets the 12 24 hour switch in settings to 12. Then the above starts tacking AM or PM onto the end of the resulting string. See eg NSDateFormatter am I doing something..
Difference between objectForKey and valueForKey? http://stackoverflow.com/questions/1062183/difference-between-objectforkey-and-valueforkey forKey @ accountNumber NSNumber anotherAccountNumber newAccount valueForKey @ accountNumber Those are equivalent sets of statements. I know you're thinking wow but sarcastically. KVC doesn't look all that useful. In fact it looks wordy ...
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps? http://stackoverflow.com/questions/1108693/is-it-possible-to-register-a-httpdomain-based-url-scheme-for-iphone-apps-like application modal with a Yep I've already got it Nope but I'd love to try it and Leave me alone button. The Yep button sets the cookie to true and redirects to your uri The Nope button redirects to http itunes.com apps yourappname which will open.. redirects to http itunes.com apps yourappname which will open the App Store on the device The Leave me alone button sets the cookie to false and closes the modal The other option I've played with but found a little clunky was to do the following..
How do I add a gradient to the text of a UILabel, but not the background? http://stackoverflow.com/questions/1266179/how-do-i-add-a-gradient-to-the-text-of-a-uilabel-but-not-the-background is it flips the drawing context vertically the iPhone inverts the normal Quartz coordinate system on for the Y axis sets the text drawing mode to intersect the drawn text with the clipping path clips the area to draw to the text and then draws..
Multiple UITableViews on one UIView http://stackoverflow.com/questions/1416372/multiple-uitableviews-on-one-uiview return 1 NSInteger tableView UITableView tableView numberOfRowsInSection NSInteger section return contentOne count sets row count to number of items in array UITableViewCell tableView UITableView tableView cellForRowAtIndexPath NSIndexPath..
NSURLConnection and Basic HTTP Authentication http://stackoverflow.com/questions/1973325/nsurlconnection-and-basic-http-authentication . iphone objective c share improve this question I'm using an asynchronous connection with MGTwitterEngine and it sets the authorization in the NSMutableURLRequest theRequest like so NSString authStr NSString stringWithFormat @ @ @ self username..
http://stackoverflow.com/questions/2824435/uiscrollview-not-scrolling
iPhone App Localization - English problems? http://stackoverflow.com/questions/3308519/iphone-app-localization-english-problems improve this question iPhone localisations or is that localizations do not take any notice of the Region the user sets ie UK Aus NZ . There is only one English language translation available by default. However you can hack around with things..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar mutator generated by the compiler which will first release the current string then retains the new string and finally sets name to the retained string. Just calling name foo does nothing more than assigning name to foo. This also means that you..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file where lines and other objects will be placed. void CreatePDFFile CGRect pageRect const char filename This code block sets up our PDF Context so that we can draw to it CGContextRef pdfContext CFStringRef path CFURLRef url CFMutableDictionaryRef..
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom doesn't even solve the issue entirely on the simulator either because the next time the user zooms the transform resets itself to whatever zoom level it was at and so it looks like if I was zoomed to 2x for example it's suddenly at 4x. When.. a problem because UIScrollView doesn't appear to monitor the content view transform so on the next zoom operation it sets the transform of the content view to whatever the overall scale factor is. Since you've manually redrawn your view at the..
Just two rounded corners? [duplicate] http://stackoverflow.com/questions/4845211/just-two-rounded-corners background when it is displayed. I want the top two corners of the new view to appear rounded but using cornerRadius sets all of them rounded. How can I make just two corners rounded iphone objective c ipad rounded corners share improve this..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices the change set to a queue to send when it does come online. The server sitting in the cloud merges the specific change sets it receives with its master database. After a change set or a queue of change sets is merged on the cloud server the server.. cloud merges the specific change sets it receives with its master database. After a change set or a queue of change sets is merged on the cloud server the server pushes all of those change sets to the other devices registered with the server.. After a change set or a queue of change sets is merged on the cloud server the server pushes all of those change sets to the other devices registered with the server using some sort of polling system. I thought to use Apple's Push services..
Grand Central Dispatch (GCD) vs. performSelector - need a better explanation http://stackoverflow.com/questions/5225130/grand-central-dispatch-gcd-vs-performselector-need-a-better-explanation 1 modes NSRunLoopCommonModes And on performSelector target withObject order modes the documentation states This method sets up a timer to perform the aSelector message on the current thread ™s run loop at the start of the next run loop iteration...
How do I correctly detect orientation change using javascript and Phonegap in IOS? http://stackoverflow.com/questions/5284878/how-do-i-correctly-detect-orientation-change-using-javascript-and-phonegap-in-io with the screen turned to the right. var orientation window.orientation switch orientation case 0 If in portrait mode sets the body's class attribute to portrait. Consequently all style definitions matching the body class portrait declaration.. orientation Home button on the bottom . break case 90 If in landscape mode with the screen turned to the left sets the body's class attribute to landscapeLeft. In this case all style definitions matching the body class landscapeLeft declaration.. turned to the left Home button to the right . break case 90 If in landscape mode with the screen turned to the right sets the body's class attribute to landscapeRight. Here all style definitions matching the body class landscapeRight declaration..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature fmt release Then it works fine in the US and most locales UNTIL ... someone with their phone set to a 24 hour region sets the 12 24 hour switch in settings to 12. Then the above starts tacking AM or PM onto the end of the resulting string. See..
http://stackoverflow.com/questions/11250839/sound-slider-for-cocos2d @ sliderTrack.png progressFile @ sliderProgress.png thumbFile @ sliderThumb.png slider.minimumValue 0.0f Sets the min value of range slider.maximumValue 1.0f Sets the max value of range When the value of the slider will change the.. thumbFile @ sliderThumb.png slider.minimumValue 0.0f Sets the min value of range slider.maximumValue 1.0f Sets the max value of range When the value of the slider will change the given selector will be call slider addTarget self action..
NSUserDefaults not saving properly http://stackoverflow.com/questions/1418894/nsuserdefaults-not-saving-properly levels work perfectly header NSUserDefaults userData @property nonatomic retain NSUserDefaults userData class file Sets the boolean variables for the class to use userData NSUserDefaults standardUserDefaults boolOne userData boolForKey @ LevelFiveBoolOne..
Passing data between UITableViewCell and UITableViewController? http://stackoverflow.com/questions/15751229/passing-data-between-uitableviewcell-and-uitableviewcontroller UITableViewCell tableView UITableView tableView cellForRowAtIndexPath NSIndexPath indexPath if indexPath.row 0 Sets the textField of the first cell as the loginTextField. self.loginTextField tCell.textField else Sets the textField of the.. indexPath.row 0 Sets the textField of the first cell as the loginTextField. self.loginTextField tCell.textField else Sets the textField of the second cell as the passwordTextField. self.passwordTextField tCell.textField tCell.textField.delegate..
Is it possible to access iPhone/iPod Touch music stats through the SDK? http://stackoverflow.com/questions/2083117/is-it-possible-to-access-iphone-ipod-touch-music-stats-through-the-sdk MPMediaPropertyPredicate predicateWithValue @ Moribund the Squirrel forProperty MPMediaItemPropertyArtist Sets the grouping type for the media query query setGroupingType MPMediaGroupingAlbum NSArray albums query collections for MPMediaItemCollection..
Please explain this Objective-C code http://stackoverflow.com/questions/3256390/please-explain-this-objective-c-code Thanks iphone objective c ios animation share improve this question ref1view setAlpha ref1view alpha 1 0.0f 1.0f Sets the alpha of ref1view to be 1 if it's 0 or 0 if it's 1. This is called the ternary operator a shorthand if else . condition..
http://stackoverflow.com/questions/3605115/how-should-i-architect-my-db-api-server-for-a-turn-based-multiplayer-iphone-bo Redis. It uses a simple line based protocol like MemcacheD to talk over a socket and allows you to store Lists Sets Hashes with arbitrary even binary values. It's very fast because everything happens in memory but is persisted to disk asynchronously...
What is objc_setAssociatedObject() and in what cases should it be used? http://stackoverflow.com/questions/5909412/what-is-objc-setassociatedobject-and-in-what-cases-should-it-be-used I decided to look it up and unfortunately the docs aren't very descriptive about its purpose. objc_setAssociatedObject Sets an associated value for a given object using a given key and association policy. void objc_setAssociatedObject id object..
How do you use setTitleTextAttributes:forState in UIBarItem in iOS 5.0? http://stackoverflow.com/questions/7810563/how-do-you-use-settitletextattributesforstate-in-uibaritem-in-ios-5-0 make it work and documentation isn´t very clear about that... From the documentation setTitleTextAttributes forState Sets the title ™s text attributes for a given control state. void setTitleTextAttributes NSDictionary attributes forState UIControlState..
How to do a application level exception handling in iPhone application http://stackoverflow.com/questions/980086/how-to-do-a-application-level-exception-handling-in-iphone-application state. It's almost always better to just let it crash than to potentially corrupt data or worse. From the Apple docs Sets the top level error handling function where you can perform last minute logging before the program terminates . share..
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