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2014/10/15 ¤U¤È 10:11:30
iphone Programming Glossary: modelDetect the specific iPhone/iPod touch model [duplicate] http://stackoverflow.com/questions/1108859/detect-the-specific-iphone-ipod-touch-model the specific iPhone iPod touch model duplicate Possible Duplicate Determine device iPhone iPod Touch with iPhone SDK I am making a game.. to play a multiplayer on an iPod 1st gen and iPhone 2G I need to check for the specific device model. UIDevice currentDevice model will only tell me if the device is an iPhone or an iPod touch . Is there.. iPod 1st gen and iPhone 2G I need to check for the specific device model. UIDevice currentDevice model will only tell me if the device is an iPhone or an iPod touch . Is there a way to check for the specific..
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 UIs pre iPhone 5 and iPhone 5 . If that sounds ugly then you could go with the default letterboxed model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices fabs double UIScreen mainScreen bounds .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD.. 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice model isEqualToString @ iPod touch This.. UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice model isEqualToString @ iPod touch This way we can ensure we have an iPhone model AND a widescreen and we..
Where to place the “Core Data Stack” in a Cocoa/Cocoa Touch application http://stackoverflow.com/questions/1267520/where-to-place-the-core-data-stack-in-a-cocoa-cocoa-touch-application Core Data Stack . This follows the basic pattern for iPhone all applications you pass data or a model controller from one view controller to the next. The typical role of the singleton as described here.. from one view controller to the next. The typical role of the singleton as described here is as a model controller. With Core Data the managed object context is already a model controller. It also gives you.. as described here is as a model controller. With Core Data the managed object context is already a model controller. It also gives you the ability to access other parts of the stack if needs be. Moreover in..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started to display a 3D model on the iPhone how to get started I want to display and rotate a single 3D model preferably textured.. to display a 3D model on the iPhone how to get started I want to display and rotate a single 3D model preferably textured on the iPhone. Doesn't have to zoom in and out or have a background or anything... I have the following an iPhone a MacBook the iPhone SDK Blender My knowledge base I can make 3D models in various 3D programs I'm most comfortable with 3D Studio Max which I once took a course on but I've..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers together. First I agree with the previous answers which focus on the importance of putting data in model objects when appropriate per the MVC design pattern . Usually you want to avoid putting state information.. on a BookWarehouse object for that. So now your controller is basically brokering data between a model object BookWarehouse and the GUI view objects. In other words BookPickerViewController DEPENDS on the..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes the explanation with an example. The initial situation is this Data Model Version 1 It's the model you get when you create a project with the navigation based app with core data storage template. I compiled.. values. There we go 2.000 events with an NSDate value. Now we add a second version of the data model which looks like this Data Model Version 2 The difference is The Event entity is gone and we've got.. type in a separate entitiy. To migrate we choose migration by hand and this we do with mapping models. This is also the first part of the answer to your question. We will do the migration in two steps..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample video. I stripped it down to the bare minimum. I'm not sure that my MVC structure is any good. The model is in the AppDelegate which isn't ideal. Any suggestions to make it better are welcome. EDIT I tried..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected reports atos not working as expected I'm looking at a crash report provided by Apple Hardware Model iPhone4 1 Version Code Type ARM Native Parent Process launchd 1 Date Time 2012 11 18 16 03 44.951 0600..
Implementation of “Automatic Lightweight Migration” for Core Data (iPhone) http://stackoverflow.com/questions/2310216/implementation-of-automatic-lightweight-migration-for-core-data-iphone corresponding to both the NSMigratePersistentStoresAutomaticallyOption and the NSInferMappingModelAutomaticallyOption keys to YES NSError error NSURL storeURL #The URL of a persistent store# NSPersistentStoreCoordinator.. YES NSMigratePersistentStoresAutomaticallyOption NSNumber numberWithBool YES NSInferMappingModelAutomaticallyOption nil if psc addPersistentStoreWithType #Store type# configuration #Configuration or.. error nil persistentStoreCoordinator NSPersistentStoreCoordinator alloc initWithManagedObjectModel self managedObjectModel if persistentStoreCoordinator addPersistentStoreWithType NSSQLiteStoreType configuration..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started and much of the sample code doesn't work on the iPhone SDK plus it seems geared towards the Model View Controller paradigm which doesn't seem that suited for 3D apps. Basically I'm confused about what..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes it's obvious. I'll illustrate the explanation with an example. The initial situation is this Data Model Version 1 It's the model you get when you create a project with the navigation based app with core data.. with an NSDate value. Now we add a second version of the data model which looks like this Data Model Version 2 The difference is The Event entity is gone and we've got two new ones. One which stores a.. our two mapping models. We create the first mapping model like this 1. New File Resource Mapping Model 2. Choose a name I chose StepOne 3. Set source and destination data model Mapping Model Step One The..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview This will grab the current HTML contents of the view using the Document Object Model parse the Javascript then give it to you as an NSString of HTML. Another way is to do your request programmatically..
Detect the specific iPhone/iPod touch model [duplicate] http://stackoverflow.com/questions/1108859/detect-the-specific-iphone-ipod-touch-model the specific iPhone iPod touch model duplicate Possible Duplicate Determine device iPhone iPod Touch with iPhone SDK I am making a game that utilizes the peer to peer bluetooth capabilities of the.. touch 2nd generation . However to stop the users from trying to play a multiplayer on an iPod 1st gen and iPhone 2G I need to check for the specific device model. UIDevice currentDevice model will only tell me if the device is an iPhone or an iPod touch . Is there a way to check for the specific device model like iPhone.. to stop the users from trying to play a multiplayer on an iPod 1st gen and iPhone 2G I need to check for the specific device model. UIDevice currentDevice model will only tell me if the device is an iPhone or an iPod touch . Is there a way to check for the specific device model like iPhone 3GS iPod touch 1st generation..
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 a possibility then the only remaining option is to have two UIs pre iPhone 5 and iPhone 5 . If that sounds ugly then you could go with the default letterboxed model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices Let's rename the original macro IS_WIDESCREEN #define IS_WIDESCREEN fabs double UIScreen mainScreen bounds .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice model isEqualToString @ iPod touch.. fabs double UIScreen mainScreen bounds .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice model isEqualToString @ iPod touch This way we can ensure we have an iPhone model AND a widescreen.. And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice model isEqualToString @ iPod touch This way we can ensure we have an iPhone model AND a widescreen and we can redefine the IS_IPHONE_5 macro #define IS_IPHONE_5 IS_IPHONE..
Where to place the “Core Data Stack” in a Cocoa/Cocoa Touch application http://stackoverflow.com/questions/1267520/where-to-place-the-core-data-stack-in-a-cocoa-cocoa-touch-application one view controller to the next as described in Accessing the Core Data Stack . This follows the basic pattern for iPhone all applications you pass data or a model controller from one view controller to the next. The typical role of the singleton as described here is as a model controller. With Core Data the managed object.. iPhone all applications you pass data or a model controller from one view controller to the next. The typical role of the singleton as described here is as a model controller. With Core Data the managed object context is already a model controller. It also gives you the ability to access other parts of the stack if needs be... controller to the next. The typical role of the singleton as described here is as a model controller. With Core Data the managed object context is already a model controller. It also gives you the ability to access other parts of the stack if needs be. Moreover in some situations as described in the documentation you might..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started to display a 3D model on the iPhone how to get started I want to display and rotate a single 3D model preferably textured on the iPhone. Doesn't have to zoom in and out or have a background.. to display a 3D model on the iPhone how to get started I want to display and rotate a single 3D model preferably textured on the iPhone. Doesn't have to zoom in and out or have a background or anything. I have the following an iPhone a MacBook the iPhone SDK Blender.. have to zoom in and out or have a background or anything. I have the following an iPhone a MacBook the iPhone SDK Blender My knowledge base I can make 3D models in various 3D programs I'm most comfortable with 3D Studio Max which I once took a course on but I've used others General knowledge of procedural programming from..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers with learning how to do it right instead of just hacking it together. First I agree with the previous answers which focus on the importance of putting data in model objects when appropriate per the MVC design pattern . Usually you want to avoid putting state information inside a controller unless it's strictly presentation.. Where will it get all the book data Let's say it depends on a BookWarehouse object for that. So now your controller is basically brokering data between a model object BookWarehouse and the GUI view objects. In other words BookPickerViewController DEPENDS on the BookWarehouse object. Don't do this @implementation BookPickerViewController..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes easy but a long way to go before it's obvious. I'll illustrate the explanation with an example. The initial situation is this Data Model Version 1 It's the model you get when you create a project with the navigation based app with core data storage template. I compiled it and did some hard hitting with some help of a for.. a for loop to create around 2k entries all with some different values. There we go 2.000 events with an NSDate value. Now we add a second version of the data model which looks like this Data Model Version 2 The difference is The Event entity is gone and we've got two new ones. One which stores a timestamp as a double and the.. migration. This results in twice the values each as a different type in a separate entitiy. To migrate we choose migration by hand and this we do with mapping models. This is also the first part of the answer to your question. We will do the migration in two steps because it's taking long to migrate 2k entries and we like to..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample I found in the developer forum and on the WWDC session video. I stripped it down to the bare minimum. I'm not sure that my MVC structure is any good. The model is in the AppDelegate which isn't ideal. Any suggestions to make it better are welcome. EDIT I tried to extract the main question and posted it here . 4 OVERVIEW..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected crash reports atos not working as expected I'm looking at a crash report provided by Apple Hardware Model iPhone4 1 Version Code Type ARM Native Parent Process launchd 1 Date Time 2012 11 18 16 03 44.951 0600 OS Version iOS 6.0.1 10A523 Report Version 104 Exception..
Implementation of “Automatic Lightweight Migration” for Core Data (iPhone) http://stackoverflow.com/questions/2310216/implementation-of-automatic-lightweight-migration-for-core-data-iphone configuration URL options error . You need to set values corresponding to both the NSMigratePersistentStoresAutomaticallyOption and the NSInferMappingModelAutomaticallyOption keys to YES NSError error NSURL storeURL #The URL of a persistent store# NSPersistentStoreCoordinator psc #The coordinator# NSDictionary options.. NSDictionary dictionaryWithObjectsAndKeys NSNumber numberWithBool YES NSMigratePersistentStoresAutomaticallyOption NSNumber numberWithBool YES NSInferMappingModelAutomaticallyOption nil if psc addPersistentStoreWithType #Store type# configuration #Configuration or nil# URL storeURL options options error error Handle the error... stringByAppendingPathComponent @ FC.sqlite NSError error nil persistentStoreCoordinator NSPersistentStoreCoordinator alloc initWithManagedObjectModel self managedObjectModel if persistentStoreCoordinator addPersistentStoreWithType NSSQLiteStoreType configuration nil URL storeUrl options nil error error NSLog..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started like Aaron Hillgrass' but I've also read that they are outdated and much of the sample code doesn't work on the iPhone SDK plus it seems geared towards the Model View Controller paradigm which doesn't seem that suited for 3D apps. Basically I'm confused about what my first steps should be. iphone ios opengl es share improve..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes . It's actually very easy but a long way to go before it's obvious. I'll illustrate the explanation with an example. The initial situation is this Data Model Version 1 It's the model you get when you create a project with the navigation based app with core data storage template. I compiled it and did some hard hitting.. all with some different values. There we go 2.000 events with an NSDate value. Now we add a second version of the data model which looks like this Data Model Version 2 The difference is The Event entity is gone and we've got two new ones. One which stores a timestamp as a double and the second one which should store.. the fetched entities down with a Filter predicate . Back to our two mapping models. We create the first mapping model like this 1. New File Resource Mapping Model 2. Choose a name I chose StepOne 3. Set source and destination data model Mapping Model Step One The multi pass migration doesn't need custom entity migration policies..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview yourWebView stringByEvaluatingJavaScriptFromString @ document.body.innerHTML This will grab the current HTML contents of the view using the Document Object Model parse the Javascript then give it to you as an NSString of HTML. Another way is to do your request programmatically first then load the UIWebView from what you..
Detect the specific iPhone/iPod touch model [duplicate] http://stackoverflow.com/questions/1108859/detect-the-specific-iphone-ipod-touch-model the specific iPhone iPod touch model duplicate Possible Duplicate Determine device iPhone iPod Touch with iPhone SDK I am making a game that utilizes the peer.. the users from trying to play a multiplayer on an iPod 1st gen and iPhone 2G I need to check for the specific device model. UIDevice currentDevice model will only tell me if the device is an iPhone or an iPod touch . Is there a way to check for.. a multiplayer on an iPod 1st gen and iPhone 2G I need to check for the specific device model. UIDevice currentDevice model will only tell me if the device is an iPhone or an iPod touch . Is there a way to check for the specific device model like..
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 is to have two UIs pre iPhone 5 and iPhone 5 . If that sounds ugly then you could go with the default letterboxed model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices #define IS_WIDESCREEN fabs double UIScreen mainScreen bounds .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice.. .size.height double 568 DBL_EPSILON And let's add model detection macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice model isEqualToString @ iPod touch This way we can ensure.. macros #define IS_IPHONE UIDevice currentDevice model isEqualToString @ iPhone #define IS_IPOD UIDevice currentDevice model isEqualToString @ iPod touch This way we can ensure we have an iPhone model AND a widescreen and we can redefine the IS_IPHONE_5..
Where to place the “Core Data Stack” in a Cocoa/Cocoa Touch application http://stackoverflow.com/questions/1267520/where-to-place-the-core-data-stack-in-a-cocoa-cocoa-touch-application in Accessing the Core Data Stack . This follows the basic pattern for iPhone all applications you pass data or a model controller from one view controller to the next. The typical role of the singleton as described here is as a model controller... a model controller from one view controller to the next. The typical role of the singleton as described here is as a model controller. With Core Data the managed object context is already a model controller. It also gives you the ability to access.. of the singleton as described here is as a model controller. With Core Data the managed object context is already a model controller. It also gives you the ability to access other parts of the stack if needs be. Moreover in some situations as..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started to display a 3D model on the iPhone how to get started I want to display and rotate a single 3D model preferably textured on the iPhone. Doesn't.. to display a 3D model on the iPhone how to get started I want to display and rotate a single 3D model preferably textured on the iPhone. Doesn't have to zoom in and out or have a background or anything. I have the following.. or anything. I have the following an iPhone a MacBook the iPhone SDK Blender My knowledge base I can make 3D models in various 3D programs I'm most comfortable with 3D Studio Max which I once took a course on but I've used others General..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers of just hacking it together. First I agree with the previous answers which focus on the importance of putting data in model objects when appropriate per the MVC design pattern . Usually you want to avoid putting state information inside a controller.. Let's say it depends on a BookWarehouse object for that. So now your controller is basically brokering data between a model object BookWarehouse and the GUI view objects. In other words BookPickerViewController DEPENDS on the BookWarehouse object...
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes obvious. I'll illustrate the explanation with an example. The initial situation is this Data Model Version 1 It's the model you get when you create a project with the navigation based app with core data storage template. I compiled it and did some.. all with some different values. There we go 2.000 events with an NSDate value. Now we add a second version of the data model which looks like this Data Model Version 2 The difference is The Event entity is gone and we've got two new ones. One which.. each as a different type in a separate entitiy. To migrate we choose migration by hand and this we do with mapping models. This is also the first part of the answer to your question. We will do the migration in two steps because it's taking..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample on the WWDC session video. I stripped it down to the bare minimum. I'm not sure that my MVC structure is any good. The model is in the AppDelegate which isn't ideal. Any suggestions to make it better are welcome. EDIT I tried to extract the main..
What do I have to do to get Core Data to automatically migrate models? http://stackoverflow.com/questions/1018155/what-do-i-have-to-do-to-get-core-data-to-automatically-migrate-models NSNumber numberWithBool YES NSMigratePersistentStoresAutomaticallyOption NSNumber numberWithBool YES NSInferMappingModelAutomaticallyOption nil NSError error _persistentStoreCoordinator NSPersistentStoreCoordinator alloc initWithManagedObjectModel.. nil NSError error _persistentStoreCoordinator NSPersistentStoreCoordinator alloc initWithManagedObjectModel self managedObjectModel if _persistentStoreCoordinator addPersistentStoreWithType NSSQLiteStoreType configuration nil URL.. error _persistentStoreCoordinator NSPersistentStoreCoordinator alloc initWithManagedObjectModel self managedObjectModel if _persistentStoreCoordinator addPersistentStoreWithType NSSQLiteStoreType configuration nil URL storeUrl options options..
I keep on getting “save operation failure” after any change on my XCode Data Model http://stackoverflow.com/questions/1091228/i-keep-on-getting-save-operation-failure-after-any-change-on-my-xcode-data-mod keep on getting &ldquo save operation failure&rdquo after any change on my XCode Data Model I started using Core Data for iPhone development. I started out by creating a very simple entity called Evaluation with.. a new My Repeating String would be added to the table view and be in persistent store. I then pressed Design Add Model Version in XCode. I added three entities to the existing entity and also added new properties to the existing Evaluation.. the Evaluation entity with Evaluation.h and Evaluation.m. Now I changed the model version by setting Design Data Model Set Current Version . After having done all this I changed my insertMethod void insertNewObject Create a new instance of..
iOS crash reports: atos not working as expected http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected crash reports atos not working as expected I'm looking at a crash report provided by Apple Hardware Model iPhone4 1 Version Code Type ARM Native Parent Process launchd 1 Date Time 2012 11 18 16 03 44.951 0600 OS Version iOS 6.0.1..
insertNewObjectForEntityForName: http://stackoverflow.com/questions/1780929/insertnewobjectforentityforname due to uncaught exception 'NSInternalInconsistencyException' reason ' entityForName could not locate an NSManagedObjectModel for entity name 'Person'' I followed the Location example exactly though step for step I believe but I think I must have.. MOC is almost certainly the problem. Most specifically it means you're probably not loading your MOM Managed Object Model that defines Person. Somewhere in your code you should have something like this managedObjectModel NSManagedObjectModel.. MOM Managed Object Model that defines Person. Somewhere in your code you should have something like this managedObjectModel NSManagedObjectModel mergedModelFromBundles nil retain And something like this persistentStoreCoordinator NSPersistentStoreCoordinator..
Implementation of “Automatic Lightweight Migration” for Core Data (iPhone) http://stackoverflow.com/questions/2310216/implementation-of-automatic-lightweight-migration-for-core-data-iphone . You need to set values corresponding to both the NSMigratePersistentStoresAutomaticallyOption and the NSInferMappingModelAutomaticallyOption keys to YES NSError error NSURL storeURL #The URL of a persistent store# NSPersistentStoreCoordinator.. NSNumber numberWithBool YES NSMigratePersistentStoresAutomaticallyOption NSNumber numberWithBool YES NSInferMappingModelAutomaticallyOption nil if psc addPersistentStoreWithType #Store type# configuration #Configuration or nil# URL storeURL.. @ FC.sqlite NSError error nil persistentStoreCoordinator NSPersistentStoreCoordinator alloc initWithManagedObjectModel self managedObjectModel if persistentStoreCoordinator addPersistentStoreWithType NSSQLiteStoreType configuration nil URL..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started that they are outdated and much of the sample code doesn't work on the iPhone SDK plus it seems geared towards the Model View Controller paradigm which doesn't seem that suited for 3D apps. Basically I'm confused about what my first steps should..
Creating a JSON Store For iPhone http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone Data is first and foremost an object graph management system. It true function is to create the runtime model layer of Model View Controller design patterned apps. Persistence is actually a secondary and even optional function of Core Data. The..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes way to go before it's obvious. I'll illustrate the explanation with an example. The initial situation is this Data Model Version 1 It's the model you get when you create a project with the navigation based app with core data storage template... we go 2.000 events with an NSDate value. Now we add a second version of the data model which looks like this Data Model Version 2 The difference is The Event entity is gone and we've got two new ones. One which stores a timestamp as a double.. predicate . Back to our two mapping models. We create the first mapping model like this 1. New File Resource Mapping Model 2. Choose a name I chose StepOne 3. Set source and destination data model Mapping Model Step One The multi pass migration..
How to define a global variable that can be accessed anywhere in my application? [duplicate] http://stackoverflow.com/questions/6065965/how-to-define-a-global-variable-that-can-be-accessed-anywhere-in-my-application in your application and in that case you want to have a variable accessible to every view you should always create a Model Data class and define the variable in it. Something like this DataClass.h @interface DataClass NSObject NSString str @property..
http://stackoverflow.com/questions/6214725/iphone-call-log-history Identifier 6832E41D 215C 4F67 A34D D7EBBA48A2F1 CrashReporter Key 4a5014661215e4e9bbab6bf412d32af31a6a9cad Hardware Model iPhone2 1 Process crunchd 909 Path sbin crunchd Identifier crunchd Version Code Type ARM Native Parent Process crunchd..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview @ document.body.innerHTML This will grab the current HTML contents of the view using the Document Object Model parse the Javascript then give it to you as an NSString of HTML. Another way is to do your request programmatically first..
How to implement re-ordering of CoreData records? http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records NSIndexPath fromIndexPath toIndexPath NSIndexPath toIndexPath userDrivenDataModelChange YES ... UPDATE THE MODEL then SAVE CONTEXT ... userDrivenDataModelChange NO and also prevent the notifications to do anything as changes are already..
NSFetchedResultsController with sections created by first letter of a string http://stackoverflow.com/questions/1112521/nsfetchedresultscontroller-with-sections-created-by-first-letter-of-a-string a setter for this property. Create this getter this is half the magic IMHO THIS ATTRIBUTE GETTER GOES IN YOUR OBJECT MODEL NSString committeeNameInitial self willAccessValueForKey @ committeeNameInitial NSString initial self committeeName substringToIndex..
http://stackoverflow.com/questions/2336976/simple-mvc-setup-design I just want to make sure that I am heading in the right direction with how a simple MVC application is constructed. MODEL @interface Reactor NSObject NSNumber temperature NSString lastInspection NSNumber activeRods . CONTROLLER @interface viewController.. in declaring the reactor dataModel in the controller The way I see it the controller sits between the VIEW and the MODEL so its going to need links to both. The VIEW is linked via IBActions to methods implemented within the CONTROLLER which.. is linked via IBActions to methods implemented within the CONTROLLER which in turn sends messages to methods in the MODEL . The MODEL does any processing data manipulation needed sending any required results back to the CONTROLLER which in turn..
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