早晨上课迟到了，按照一贯的心理小洁癖，迟到了，就干脆不去了。 书在实验室，人在宿舍，清早起来第一节课，去拿书，然后迟到了。心情不是很好，特地在上周五的时候写好英语作业，本来这节课打算举手回答问题的。

  please note, this is not a sequence of steps. each one is a possible solution: 1- restart xcode and/or restart simulator (reset content and settings) and/or restart computer. 2- click on project name in project navigator. in build settings tab, go to pa…