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alien_invasion
mport sys import pygame class AlienInvasion: def int(self): pygame.init() self.screen = pygame.displ
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java eclipse
package yun; public class Bank { int savedMoney; int year; double interest; double interestRate=0.29
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1
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mysql Navicat 创建学生表
use gradem; create table student (sno char(10) primary key, sname varchar(8), ssex char(2) default '
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devc++ 13 13 23 [Error] storage size of 'pack' isn't known
include <stdio.h> struct packed_struct{ unsigned int f1 : 1; //一位的位域 unsigned int f2 : 1; unsigned i
