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[求助][求助]一个C++编程的问题,不会了,来问问
en,只对字符串来说 strcat是好想法. 否则你这样必须先做判断,如果所要求的内存空间大于拥有的内存空间 要realloc一下,分配新的基址和空间。 |
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[注意]测试你的肺活量,按住键盘0,憋气,看你能有多少行,男人不做假!
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[注意]测试你的肺活量,按住键盘0,憋气,看你能有多少行,男人不做假!
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[求助]bt3如何进行系统引导?
网上搜个u盘分区软件就行了 |
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[原创]花了2WRMB参加的CISP培训课件,免费给大家看
850239158@qq.com 谢谢楼主 |
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[注意]真真正正的预言帝,有贴,有时间,有真相!
从来都是地震后,出来预言帝。从没有见有预言帝在事件发生前采取措施。。 |
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[原创]看雪论坛 挂机赚Kx 作弊器
哈哈刷分多无聊,自己多看帖多学习,发个原创不就有了。 |
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27岁了,从头学起还行么?
问句天几高心中志比天更高,自信打不死的心态活到老! |
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一个内存单元的长度究竟是多少
[QUOTE=wulfalone;923849]最近看王爽的汇编语言,发现里面很多讲得不清不楚的,内存是都有地址编号吗?这个编号是怎么实现的?地址长度是多少?一个内存单元的长度究竟是多少啊? mov ax,[0] mov al,[0] 这两个指令书上说第一个是把DS:0开头的内容放入AX中,长度是一个字,这意思是不是就是把两个连续的内存单元...[/QUOTE] 1. 每个内存都有特定的地址编号,cpu的 cs ip 能映射到对应的内存地址。 2. 每个内存单元的的长度都是一个字节,就是8个二进制数,地址长度是由20个二进制数组成的(5个16进制数)。 每一个地址对应一个内存单元:比如 10000H表示一个字节的内存单元,10001H表示另一个内存单元节 3.ax是十六位的就是16个二进制数两个字节。 所以需要两个连续的内存单元也是两个字节。 我是新手,说错了不要喷我。。。。 |
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[公告]转为正式会员的方法
我要努力啊!! |
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