6月5日在杭州某地有一名居民在网上求助称在自己房子前面的一块水泥地温度比往常要高上许多,这名居民表示在发掘温度过高之后就利用了一些设备进行监测,在测完温度之后居然发现温度高达80℃,按照当前的气温来看水泥
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