2014/10/15 下午 10:10:16

iphone Programming Glossary: indexes

Difference between objectForKey and valueForKey?

http://stackoverflow.com/questions/1062183/difference-between-objectforkey-and-valueforkey

is an NSDictionary method. An NSDictionary is a collection class similar to an NSArray except instead of using indexes it uses keys to differentiate between items. A key is an arbitrary string you provide. No two objects can have the same..

Core Data backed UITableView with indexing

http://stackoverflow.com/questions/1599204/core-data-backed-uitableview-with-indexing

patterns share improve this question You should use your CoreData NSFetchedResultsController to get your sections indexes. You can specify the section key in the fetch request I think it has to match the first sort key NSSortDescriptor sortDescriptor.. sectionInfo fetchedResultsController sections objectAtIndex section return sectionInfo name And the section indexes are here id NSFetchedResultsSectionInfo sectionInfo fetchedResultsController sections objectAtIndex section sectionInfo..

How to: Save order of tabs when customizing tabs in UITabBarController

http://stackoverflow.com/questions/2034183/how-to-save-order-of-tabs-when-customizing-tabs-in-uitabbarcontroller

forKey @ tabBarTabsOrder savedTabsOrderArray release As you can see I've been storing the order of tabs' indexes in an array in NSUserDefaults . On app's launch in applicationDidFinishLaunching method I reordered the UIViewControllers..

How to implement UIScrollView with 1000+ subviews?

http://stackoverflow.com/questions/2079225/how-to-implement-uiscrollview-with-1000-subviews

if you can somehow associate an index with each picture. Then use this to calculate the picture's frame where indexes start at 0 Top Left 320 index 1 0 to Bottom Right 320 index 480 Removing the first picture subview should be easy. Keep..

Handling multiple UISwitch controls in a table view without using tag property

http://stackoverflow.com/questions/2559720/handling-multiple-uiswitch-controls-in-a-table-view-without-using-tag-property

able to determine what switch was changed so I create an array of strings that contains the name of each switch. The indexes in the array will be put in the tag property of each UISwitch. However I'm ready using the tag property for something else..

Customizing Section indexes in UITableView in iphone application

http://stackoverflow.com/questions/2643400/customizing-section-indexes-in-uitableview-in-iphone-application

Section indexes in UITableView in iphone application Does any one have tried to customize default section index displayed in UITableView...

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

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 Audio FFT..

Gray UISearchBar w/matching scope bar programmatically

http://stackoverflow.com/questions/2959299/gray-uisearchbar-w-matching-scope-bar-programmatically

gray tint without affecting cancel button auto showing hiding of cancel button width adjustment around any tableview indexes In my tableview controller I've done the following void viewDidLoad super viewDidLoad setup searchBar and searchDisplayController..

native iPhone database, all data on iPhone

http://stackoverflow.com/questions/323739/native-iphone-database-all-data-on-iphone

it. SQLite's performance on the iPhone is good in my experience although YMMV depending on your exact table layout and indexes. In my opinion it's definitely worth checking out the FMDB wrapper suggested by Galwegian it makes the programming quite..

Is there an offline geocoding framework, library, or database for iOS?

http://stackoverflow.com/questions/4373730/is-there-an-offline-geocoding-framework-library-or-database-for-ios

Creating a JSON Store For iPhone

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

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 use Core Data Help appreciated. iphone json core data persistence store..

A simple sync with the iPhone DropBox API

http://stackoverflow.com/questions/5950168/a-simple-sync-with-the-iphone-dropbox-api

metadata NSLog @ restClient loadedMetadata function called NSEnumerator e metadata.contents objectEnumerator indexes files in dropbox DBMetadata dbObject loads metadate we need e.g. lastModifiedDated int numberOfFiles metadata.contents count..

How to pass sender tag in DetailView to get default Map application for direction?

http://stackoverflow.com/questions/8256288/how-to-pass-sender-tag-in-detailview-to-get-default-map-application-for-directio

to show some detail view or information that requires the address and city . Instead of trying to keep track of array indexes using tags or searching for objects in arrays I suggest adding a reference to the marker in AddressAnnotation . This way.. when you have an AddressAnnotation object you can get its related marker object using that reference no searching or indexes needed . In the AddressAnnotation class add a retain property of type marker called parentMarker . When you create an AddressAnnotation..

Getting visible cell from UITableView pagingEnabled

http://stackoverflow.com/questions/996515/getting-visible-cell-from-uitableview-pagingenabled

for these middle cells. Here's what it looks like scrolling from the first to last cell and then back. I've listed the indexes in order as cellForRowAtIndexPath fires for that row Row indexPath.row 0 0 view loads and table appears 1 1 2 user scrolls..

How to deal with non-visible rows during row deletion. (UITableViews)

http://stackoverflow.com/questions/998603/how-to-deal-with-non-visible-rows-during-row-deletion-uitableviews

question I am not sure I have understood correctly what you mean but you can try the following. NSMutableIndexSet indexes NSMutableIndexSet indexSet Each time you delete an object from your model array related to a specific section of the tableView.. section of the tableView check if the array count is zero in which case add an index representing the section to indexes array removeObjectAtIndex indexPath.row if array count indexes addIndex indexPath.section Determine all of the indexPaths.. in which case add an index representing the section to indexes array removeObjectAtIndex indexPath.row if array count indexes addIndex indexPath.section Determine all of the indexPaths related to the rows to be deleted then update the tableView as..