Smart-search for Parse Usernames in Swift not working
问题 I'm trying to have a smart-search in my iOS app so that when a user types a character into a UISearchBar, the results automatically update in the tableview below the searchbar. For some reason, the searchBar function with textDidChange isn't called when I type a character into the search bar. It's called after 2 characters are typed. So my search results are always 1 step behind what's actually typed into the search bar. And it also seems like the search() function is being called twice every