{"id":3396,"date":"2014-03-23T13:52:24","date_gmt":"2014-03-23T13:52:24","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/03\/23\/problem-about-nsorderedset-collection-of-common-programming-errors\/"},"modified":"2014-03-23T13:52:24","modified_gmt":"2014-03-23T13:52:24","slug":"problem-about-nsorderedset-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2014\/03\/23\/problem-about-nsorderedset-collection-of-common-programming-errors\/","title":{"rendered":"problem about nsorderedset-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li><img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/yb2q2.jpg?s=32&amp;g=1\" \/><br \/>\nSonny G<br \/>\nios filter nsmutablearray unique nsorderedset<br \/>\nI have an NSObject with NSStrings inside. How do I add objects with unique obj.name only to an NSMutableArray? I tried NSOrderedSet but it only works if you add NSString to an array and not objects with NSString inside.Example.@@interface MyObject : NSObject @property (strong, nonatomic) NSString *name; @endNSMutableArray *array = {MyObject.name,MyObject.name,MyObject.name};How do I make sure that no two MyObjects have the same name?<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/pfMm3.jpg?s=32&amp;g=1\" \/><br \/>\nnevan king<br \/>\nios uitableview core-data ios5 nsorderedset<br \/>\nWhat are the steps that I need to perform to implement user-defined ordering in a UITableViewController with Core Data as the backing store? Do I still need to respond to -tableView:moveRowAtIndexPath:fromIndexPath:toIndexPath: or is the model re-ordering handled automatically by the table view? Can I just check the &#8220;Ordered&#8221; checkbox in the Core Data model file and expect it to transmit the changes from the table view to the store, or do I have to do more? Do I have to change the way my fetched<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/2e16c350a7c8c10eeb249c0a195afd63?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nAlanGrant86<br \/>\nios exception core-data foundation nsorderedset<br \/>\ni need your help i&#8217;ve got this frustrating &#8220;random&#8221; error.The app is compose of one Mapviewcontroller and a collectionview on the second controller.Sometimes when I return to the map from the second controller the app suddenly crash with this error on the the &#8220;trap&#8221; line. The crash report doesn&#8217;t point to any of my lines of code.EXC_BREAKPOINT (code=EXC_ARM_BREAKPOINT, subcode=0xdefe)I said &#8220;random error&#8221; because the same version of the same app could be build and run smooth for days, then sudde<\/li>\n<\/ul>\n<p>Web site is in building<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sonny G ios filter nsmutablearray unique nsorderedset I have an NSObject with NSStrings inside. How do I add objects with unique obj.name only to an NSMutableArray? I tried NSOrderedSet but it only works if you add NSString to an array and not objects with NSString inside.Example.@@interface MyObject : NSObject @property (strong, nonatomic) NSString *name; @endNSMutableArray [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3396","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/3396","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=3396"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/3396\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=3396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=3396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=3396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}