men are created equal:"+s1.length();输出:人人生而平等System.out.println("all men are created equal:" + (s1.equalsIgnoreCase(s2)));输出:人人生而平等length();
System.out.println("all me
我正试图让用户在被跟踪的人生日前一周和生日后一周出现生日。但似乎不起作用。MySQL表user_birthdays由以下4行组成: bid、bname、bdate、buser_id。$sql = "SELECT * FROM user_birthdays WHERE bdate BETWEEN DATE_FORMAT(CURDATE(), '%m-%d') - INTERVAL 7DAY AND DATE_FORMAT(CURDATE(), '%m-%d') + INTERVAL 7 DAY