SELECT... SELECT 1+1, 2+2;# 直接这样写相当于下面这句 SELECT 1+1, 2+2 FROM DUAL; # 这里DUAL：伪表
Is it possible to make a 开发者_开发百科JFrame that has a transparent background and draw an image on it, so only the image will be visible with no border or background?Yes, it\'s possible in many way
加载中,请稍侯......