c++ Precedence

http://www.cppreference.com/wiki/operator_precedencet

C# string processing

trim-> only deal with the case related to the beginning and the end
replace-> can deal with the case in the middle

Java' List +template

ArrayList m =new ArrayList();
List minPath =m.subList(0, 0);


Java' s List class even can not initialize with the templete, feeling weird about it.

my sql database population

1 add bar as the database or table name
SQL_MODE=ANSI_QUOTES
2