{"comment":{"url":"https://api.github.com/repos/rsanchezsaez/ResearchKit/comments/10874525","html_url":"https://github.com/rsanchezsaez/ResearchKit/commit/21dba1f124f77ef736777922dd7347fa19fe6aec#commitcomment-10874525","id":10874525,"user":{"login":"jwe-apple","id":11575859,"avatar_url":"https://avatars.githubusercontent.com/u/11575859?v=3","gravatar_id":"","url":"https://api.github.com/users/jwe-apple","html_url":"https://github.com/jwe-apple","followers_url":"https://api.github.com/users/jwe-apple/followers","following_url":"https://api.github.com/users/jwe-apple/following{/other_user}","gists_url":"https://api.github.com/users/jwe-apple/gists{/gist_id}","starred_url":"https://api.github.com/users/jwe-apple/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jwe-apple/subscriptions","organizations_url":"https://api.github.com/users/jwe-apple/orgs","repos_url":"https://api.github.com/users/jwe-apple/repos","events_url":"https://api.github.com/users/jwe-apple/events{/privacy}","received_events_url":"https://api.github.com/users/jwe-apple/received_events","type":"User","site_admin":false},"position":35,"line":95,"path":"ResearchKit/Common/ORKSurveyAnswerCellForPicker.m","commit_id":"21dba1f124f77ef736777922dd7347fa19fe6aec","created_at":"2015-04-23T18:22:27Z","updated_at":"2015-04-23T18:22:27Z","body":"If doing this in updateConstraints rather than at init time, I *think* you ought to remove the old version of these specific constraints before adding the new ones. Otherwise you'll accumulate constraints. But I have not verified this."}}