昨晚五点半左右,豫园发生一起4岁男孩头被卡进九曲桥石柱的案件,男孩的家长和围观群众马上报警,在消防队员的帮助下,迅速对现场进行了封闭管理,疏散周围的群众以后,消防员一边安抚孩子的情绪,一边想办法对桥上的
The UISearchDisplayController is very handy and implementing search is pretty straightforward. However, I bump into problem when, in my app, I want to display search result with empty search string b