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2014/10/15 ¤U¤È 10:12:51

iphone Programming Glossary: predicates

Querying Core Data with Predicates - iPhone

http://stackoverflow.com/questions/1019070/querying-core-data-with-predicates-iphone

to be able to search through them using a UISearchBar. They are displayed in a table. Using the apple documentation on predicates I've put the following code in one of the UISearchBar delegate methods. void searchBarSearchButtonClicked UISearchBar searchBar..

How to search nsmutablearray in objective c-iPhone app

http://stackoverflow.com/questions/1057162/how-to-search-nsmutablearray-in-objective-c-iphone-app

one helpme with this.. thanks iphone objective c share improve this question You can do searching of arrays using predicates like so NSMutableArray names NSMutableArray arrayWithObjects @ Andy @ Bart @ Bob nil NSPredicate predicate NSPredicate predicateWithFormat..

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

committeeNameInitial isOptional 1 isTransient 1 entity CommitteeObj renamingIdentifier committeeNameInitial validation predicates warnings versionHashModifier null attributeType 700 attributeValueClassName NSString defaultValue null NSInvalidArgumentException.. committeeNameInitial isOptional 1 isTransient 1 entity CommitteeObj renamingIdentifier committeeNameInitial validation predicates warnings versionHashModifier null attributeType 700 attributeValueClassName NSString defaultValue null passed to setPropertiesToFetch..

Core Data, NSPredicate and to-many key

http://stackoverflow.com/questions/1164338/core-data-nspredicate-and-to-many-key

sure that the specified day does not appear as the start property of any ExcludedOccurrence entity. One of the sub predicates I am trying to use is therefore NSPredicate occurrenceIsNotExcludedPredicate NSPredicate predicateWithFormat @ ALL excludedOccurrences.start.. the count of the to many key to zero. NSPredicate predicateWithFormat @ excludedOccurrences.@count 0 As for your subpredicates be aware that you can only have one of either the ALL or ANY modifiers in your final predicate although you can use that..

How to correctly setup a NSPredicate for a to-many relationship when using Core Data?

http://stackoverflow.com/questions/1347776/how-to-correctly-setup-a-nspredicate-for-a-to-many-relationship-when-using-core

zero. However the documentation is misleading. Here is what the Predicate Programming Guide says regarding the use of predicates in conjunction with to many relationships. Using Predicates with Relationships If you use a to many relationship the construction..

Does CoreData on iPhone support IN predicates?

http://stackoverflow.com/questions/1436032/does-coredata-on-iphone-support-in-predicates

CoreData on iPhone support IN predicates I'm trying to fetch a bunch of records of a certain type based on a list of types defined by the user p fetchRequest setEntity..

Full Text Searching in Apple's Core Data Framework

http://stackoverflow.com/questions/1878962/full-text-searching-in-apples-core-data-framework

an iPhone application. I have data stored in an sqlite database that I access via the Core Data framework. Just using predicates and ORing a bunch of contains cd phrases for every search word and column does not work well at all. What have you done..

Core Data Many-to-Many Relationship NSPredicate

http://stackoverflow.com/questions/2822625/core-data-many-to-many-relationship-nspredicate

How to search an NSSet or NSArray for an object which has an specific value for an specific property?

http://stackoverflow.com/questions/3076477/how-to-search-an-nsset-or-nsarray-for-an-object-which-has-an-specific-value-for

to get the first object which has theObject.type isEqualToString @ standard . I remember that it was possible to use predicates somehow for this kind of stuff right iphone objective c nsarray nspredicate nsset share improve this question NSPredicate..

How to Perform a Insert/Update With Core Data

http://stackoverflow.com/questions/4102460/how-to-perform-a-insert-update-with-core-data

Requests please give the class reference a look. I would also highly recommend reading about sort descriptors and predicates since they're very important for searching your Core Data db and certain uses of them are less efficient than others particularly..

Creating a JSON Store For iPhone

http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone

Or can I use some JSON parser to convert the data to some kind of persistent NSDictionary and query that using predicates Or perhaps use SQLite as a BLOB store with manually created indexes on the JSON structures Or should I stop whining and..

Core Data VS Sqlite or FMDB…?

http://stackoverflow.com/questions/8723923/core-data-vs-sqlite-or-fmdb

differently than you use a DB. In particular you almost always over fetch data from the store and then refine it using predicates directly on the various sets and arrays. On iOS devices where the flash is surprisingly slow this over fetch strategy is..