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2014/10/15 ¤U¤È 10:11:18
iphone Programming Glossary: mappingiPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention on a class variable prefixed with an _ the property name will not be changed just the synthesize mapping to the internal name. I pretty much never want the name to vary from the property to the real variable..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk may make you want to use cloudmade maps all the way they have an equivalent to mapkit. p.s. Other mapping providers Google Bing etc may also provide equivalent data feeds I've just been looking at OSM Cloudmade..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone be a power of two. In the absence of OES_texture_npot which lifts these restrictions neither mipmapping nor wrap modes other than CLAMP_TO_EDGE are supported in conjunction with NPOT 2D textures. A NPOT 2D.. LINEAR is considered incomplete. If such a texture is bound to a texture unit it is as if texture mapping were disabled for that texture unit. You can use the following code to determine if this extension is..
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 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.. 2k entries and we like to keep the memory footprint low. You could even go ahead and split these mapping models further to migrate only ranges of the entities. Say we got one million records this may crash.. It's possible to narrow 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..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention statement will also be renamed. If you use refactor on a class variable prefixed with an _ the property name will not be changed just the synthesize mapping to the internal name. I pretty much never want the name to vary from the property to the real variable it exposes access to. That alone makes me never want to use..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk between the google maps and the OSM maps used by cloudmade may make you want to use cloudmade maps all the way they have an equivalent to mapkit. p.s. Other mapping providers Google Bing etc may also provide equivalent data feeds I've just been looking at OSM Cloudmade recently. p.p.s. None of this is trivial newbie stuff Best..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone to pass in 2D texture dimensions that may or may not be a power of two. In the absence of OES_texture_npot which lifts these restrictions neither mipmapping nor wrap modes other than CLAMP_TO_EDGE are supported in conjunction with NPOT 2D textures. A NPOT 2D texture with a wrap mode that is not CLAMP_TO_EDGE or a minfilter.. is not CLAMP_TO_EDGE or a minfilter that is not NEAREST or LINEAR is considered incomplete. If such a texture is bound to a texture unit it is as if texture mapping were disabled for that texture unit. You can use the following code to determine if this extension is supported on your device drawn from Philip Rideout's excellent..
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 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.. migration in two steps because it's taking long to migrate 2k entries and we like to keep the memory footprint low. You could even go ahead and split these mapping models further to migrate only ranges of the entities. Say we got one million records this may crash the whole process. It's possible to narrow the fetched entities.. Say we got one million records this may crash the whole process. It's possible to narrow 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..
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 creating new version after changing anything on the datamodel but why is this still coming up Do I need to do any mapping even though I just added entities and properties that did not exist before . In the Apple Dev tutorial it sounds very easy.. struggling with this for long time never worked after changing model version. iphone xcode version control core data mapping model share improve this question Do you have NSMigratePersistentStoresAutomaticallyOption and NSInferMappingModelAutomaticallyOption..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention If you use refactor on a class variable prefixed with an _ the property name will not be changed just the synthesize mapping to the internal name. I pretty much never want the name to vary from the property to the real variable it exposes access..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk used by cloudmade may make you want to use cloudmade maps all the way they have an equivalent to mapkit. p.s. Other mapping providers Google Bing etc may also provide equivalent data feeds I've just been looking at OSM Cloudmade recently. p.p.s...
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone that may or may not be a power of two. In the absence of OES_texture_npot which lifts these restrictions neither mipmapping nor wrap modes other than CLAMP_TO_EDGE are supported in conjunction with NPOT 2D textures. A NPOT 2D texture with a wrap.. is not NEAREST or LINEAR is considered incomplete. If such a texture is bound to a texture unit it is as if texture mapping were disabled for that texture unit. You can use the following code to determine if this extension is supported on your..
How to create custom easing function with Core Animation? http://stackoverflow.com/questions/5161465/how-to-create-custom-easing-function-with-core-animation to create the above is simple enough in other frameworks which makes this very frustrating. Note that the curves are mapping input time to output time T t curve and not time position curves. For instance easeOutBounce T t returns a new t . Then..
What are the Dangers of Method Swizzling in Objective C? http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c a dangerous practice. Even the name swizzling sugests that it is a bit of a cheat. Method Swizzling is modifying the mapping so that calling selector A will actually invoke implementation B. One use of this is to extend behavior of closed source..
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 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 keep the memory footprint low. You could even go ahead and split these mapping models further to migrate only ranges of the entities. Say we got one million records this may crash the whole process... crash the whole process. It's possible to narrow 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..
Determining the magnitude of a certain frequency on the iPhone http://stackoverflow.com/questions/2921674/determining-the-magnitude-of-a-certain-frequency-on-the-iphone Xk for a single k corresponding to the frequency of interest. k is just the indexing on the output of the DFT. Mapping k indexes of the DFT output into real frequencies Hz depends on two things Sampling frequency for example 44100 Hz for CD..
iPhone Core Data Lightweight Migration: Can't merge models http://stackoverflow.com/questions/4745886/iphone-core-data-lightweight-migration-cant-merge-models NSNumber numberWithBool YES NSMigratePersistentStoresAutomaticallyOption NSNumber numberWithBool YES NSInferMappingModelAutomaticallyOption nil if persistentStoreCoordinator_ addPersistentStoreWithType NSSQLiteStoreType configuration nil.. a mapping model NSDictionary options NSDictionary dictionaryWithObjectsAndKeys NSNumber numberWithBool YES NSInferMappingModelAutomaticallyOption nil If the changes to your model were trivial then Core Data may be able to infer a mapping model... fails then you will probably need to create a mapping model and revert to the options that you are currently using . Mapping models are easy to create. Be mindful though if you change a data model then you will need to update the mapping too. You..
Bump Mapping on top of iPhone Camera http://stackoverflow.com/questions/5273946/bump-mapping-on-top-of-iphone-camera Mapping on top of iPhone Camera I want to bump map the cameras images with a fixed texture... I found the following thread Bump.. top of iPhone Camera I want to bump map the cameras images with a fixed texture... I found the following thread Bump Mapping on the iPhone on general bump mapping techniques. But they didn't really have examples or tutorials on how to do it. Now..
Core Data Migration - Can't find mapping model for migration http://stackoverflow.com/questions/5369872/core-data-migration-cant-find-mapping-model-for-migration NSNumber numberWithBool YES NSMigratePersistentStoresAutomaticallyOption NSNumber numberWithBool NO NSInferMappingModelAutomaticallyOption nil I had YES set for the infer option before but then it was just migrating without calling my.. it. Thanks. iphone objective c core data data migration mapping model share improve this question Turns out the Mapping Model needs to be part of the .xcdatamodeld package which is impossible to do within xcode 4. With it in there it works..
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 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.. 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 however we will do it to get a bit.. simple in this case so we will have to implement only one method createDestinationInstancesForSourceInstance entityMapping manager error . The implementation will look like this StepOneEntityMigrationPolicy.m #import StepOneEntityMigrationPolicy.h..
RestKit Object Mapping Relationships without KVC http://stackoverflow.com/questions/9318565/restkit-object-mapping-relationships-without-kvc Object Mapping Relationships without KVC After reading the Object Mapping Guide on GitHub for RestKit my problem didn't disappear so perhaps.. Object Mapping Relationships without KVC After reading the Object Mapping Guide on GitHub for RestKit my problem didn't disappear so perhaps somebody can say if RestKit could deal with the following.. below my current mapping looks like the following RestKit v.10 . Setting up Restkit with objectStore ... Init objectMapping for Class Company companyMapping RKManagedObjectMapping mappingForClass Company class inManagedObjectStore objectStore companyMapping..
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