{"id":4361,"date":"2012-02-20T19:49:18","date_gmt":"2012-02-21T00:49:18","guid":{"rendered":"http:\/\/mjtsai.com\/blog\/?p=4361"},"modified":"2012-02-20T19:49:19","modified_gmt":"2012-02-21T00:49:19","slug":"extending-nsdata-and-not-overriding-dealloc","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2012\/02\/20\/extending-nsdata-and-not-overriding-dealloc\/","title":{"rendered":"Extending NSData and (Not) Overriding Dealloc"},"content":{"rendered":"<p><a href=\"http:\/\/www.cimgf.com\/2012\/02\/17\/extending-nsdata-and-not-overriding-dealloc\/\">Tom Harrington<\/a>:<\/p>\n<blockquote cite=\"http:\/\/www.cimgf.com\/2012\/02\/17\/extending-nsdata-and-not-overriding-dealloc\/\"><p>You can&rsquo;t override -dealloc in a category. But thanks to associated objects, you don&rsquo;t have to. If have some object A, and you associate a secondary object B with it, then when A gets deallocated, B will too. If you have something you really need to happen when A gets deallocated, you can call that code from B&rsquo;s dealloc method. Bingo, deallocation code for A that runs in a separate class.<\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"<p>Tom Harrington: You can&rsquo;t override -dealloc in a category. But thanks to associated objects, you don&rsquo;t have to. If have some object A, and you associate a secondary object B with it, then when A gets deallocated, B will too. If you have something you really need to happen when A gets deallocated, you can [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-4361","post","type-post","status-publish","format-standard","hentry","category-programming-category"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/4361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=4361"}],"version-history":[{"count":1,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/4361\/revisions"}],"predecessor-version":[{"id":4362,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/4361\/revisions\/4362"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=4361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=4361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=4361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}