{"id":4401,"date":"2012-02-24T11:32:01","date_gmt":"2012-02-24T16:32:01","guid":{"rendered":"http:\/\/mjtsai.com\/blog\/?p=4401"},"modified":"2012-02-24T11:34:14","modified_gmt":"2012-02-24T16:34:14","slug":"creating-retain-cycles-by-misusing-assertions","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2012\/02\/24\/creating-retain-cycles-by-misusing-assertions\/","title":{"rendered":"Creating Retain Cycles by Misusing Assertions"},"content":{"rendered":"<p><a href=\"http:\/\/monoceroi.tumblr.com\/post\/18030246479\/creating-retain-cycles-by-misusing-assertions\">Evadne Wu<\/a> (via <a href=\"https:\/\/twitter.com\/#!\/eridius\/status\/172958812863602688\">Kevin Ballard<\/a>):<\/p>\n<blockquote cite=\"http:\/\/monoceroi.tumblr.com\/post\/18030246479\/creating-retain-cycles-by-misusing-assertions\"><p>When you use <code>NSAssert<\/code>, ultimately the expanded code contains a reference to <code>self<\/code> and <code>_cmd<\/code>, inside whatever method the line was used.  This also prohibits use of <code>NSAssert<\/code> in a block, because it creates a retain cycle.  Just use <code>NSCAssert<\/code> which looks slightly wonky but does not require being used within an Objective-C method, and does not allow the programmer to accidentally create retain cycles.<\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"<p>Evadne Wu (via Kevin Ballard): When you use NSAssert, ultimately the expanded code contains a reference to self and _cmd, inside whatever method the line was used. This also prohibits use of NSAssert in a block, because it creates a retain cycle. Just use NSCAssert which looks slightly wonky but does not require being used [&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-4401","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\/4401","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=4401"}],"version-history":[{"count":3,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/4401\/revisions"}],"predecessor-version":[{"id":4404,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/4401\/revisions\/4404"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=4401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=4401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=4401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}