Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

C ѧϰ±Ê¼Ç£º ÒÆÎ»²Ù×÷Á·Ï°¡£

#include <stdio.h>
unsigned int reverse_bits(unsigned int value)
{
    unsigned int answer;
    unsigned int i;
    answer = 0;
   
    for(i=1;i!=0;i<<=1){ //´ËÑ­»·¿ÉÒÔºöÂÔ»úÆ÷µÄ²îÒì¡£64λºÍ32λ½Ô¿ÉÓã¬ÔöÇ¿´Ë´úÂëµÄ¿ÉÒÆÖ²ÐÔ
        answer <<=1;
        if(value & 1)
            answer |= 1;
        value >>=1;
    }
    return answer;
}
int main(void)
{
    unsigned int get_answer=reverse_bits(13);
    int i=31;
    char t;
    while(i)
    {
        t ='0'+ ((get_answer >> i) & 1);
        printf("%c",t);
        i--;
    }
}
<<CºÍÖ¸Õë>> µÚ5ÕÂÁ·Ï°Ìâ¡£
Linux 2.6 kernelÖеÄset_bit²Ù×÷£º
ÐèÒª¿¼ÂÇ»úÆ÷ÊÇ32λ»¹ÊÇ64λµÄ¼ÆËã»ú¡£
static inline void set_bit(int nr, volatile unsigned long *addr)
{
    int *a = (int *)addr;
    int mask;
    //unsigned long flags;
    a += nr >> 5; 
    mask = 1 << (nr & 0x1f);
    //local_irq_save_hw(flags);
    *a |= mask;
    //local_irq_restore_hw(flags);
}


Ïà¹ØÎĵµ£º

B/S ÓëC/S µÄÇø±ð


B/S½á¹¹£¬¼´Browser/Server£¨ä¯ÀÀÆ÷/·þÎñÆ÷£©½á¹¹£¬ÊÇËæ×ÅInternet¼¼ÊõµÄÐËÆð£¬¶ÔC/S½á¹¹µÄÒ»Öֱ仯»òÕ߸ĽøµÄ½á¹¹¡£ÔÚÕâÖÖ
½á¹¹Ï£¬Óû§½çÃæÍêȫͨ¹ýWWWä¯ÀÀÆ÷ʵÏÖ£¬Ò»²¿·ÖÊÂÎñÂß¼­ÔÚǰ¶ËʵÏÖ£¬µ«ÊÇÖ÷ÒªÊÂÎñÂß¼­ÔÚ·þÎñÆ÷¶ËʵÏÖ£¬ÐγÉËùν3-tier½á¹¹¡£B/S½á¹¹£¬Ö÷ÒªÊÇ
ÀûÓÃÁ˲»¶Ï³ÉÊìµÄWWWä¯ÀÀÆ÷¼¼Êõ£¬½áºÏä¯ÀÀÆ÷µÄ¶àÖ ......

C/C++ÓïÑÔʵÏÖ¶¯Ì¬Êý×é

C/C++ÓïÑÔʵÏÖ¶¯Ì¬Êý×é
CÊý×éµÄСÎÊÌâ
     ÕâÀï˵µÄ¶¯Ì¬Êý×éÊÇ¿ÉÒÔ¸ù¾ÝÐèÒª¶¯Ì¬Ôö³¤Õ¼ÓÃÄÚ´æµÄÊý×飬±ÈÈç³ÌÐò³õʼ·ÖÅäÁË100¸öÔªËØ£¬¿ÉÊÇÔËÐÐÁËÒ»¶Îʱ¼äºóÇøÇø100¸ö¿Õ¼ä²»ÄÜÂú×ãÁË£¬ÏÖÔÚÐèÒª400¸ö£¬Ôõô°ìÄØ£»Äǿ϶¨ÐèÒªÔÙ¶îÍâ·ÖÅä300¸ö¡£
     CÓïÑÔÓÐrealloc()º¯ÊýÀ´½â¾ö¿Õ¼ä ......

C/C++ ºêÏê½â

http://demonstyle.blog.163.com/blog/static/13143429020091010112159/
C/C++ ºêÏê½â
ic/c++ 2009-11-10 01:12:15 ÔĶÁ18 ÆÀÂÛ0 ×ֺţº´óÖÐС
ÖÚ¶àC++Êé¼®¶¼ÖÒ¸æÎÒÃÇCÓïÑÔºêÊÇÍò¶ñÖ®Ê×£¬µ«ÊÂÇé×ܲ»ÈçÎÒÃÇÏëÏóµÄÄÇô»µ£¬¾ÍÈçͬgotoÒ»Ñù¡£ºêÓÐ
Ò»¸öºÜ´óµÄ×÷Ó㬾ÍÊÇ×Ô¶¯ÎªÎÒÃDzúÉú´úÂë¡£Èç¹û˵ģ°å¿ÉÒÔΪÎÒÃDzúÉú¸÷ÖÖÐÍ ......

PCÖ®¸¸C. ThackerÈÙ»ñ2009ÄêͼÁé½±


PCÖ®¸¸C. ThackerÈÙ»ñ2009ÄêͼÁé½±
2010-03-10 01:21 |  3110´ÎÔĶÁ |  ¡¾ÒÑÓÐ16ÌõÆÀÂÛ¡¿·¢±íÆÀÂÛ
¹Ø¼ü´Ê£ºÐÂÎÅ×ÊѶ  | ¸ÐлliujiangCEµÄÌṩ |  ÊÕ²ØÕâÆª×ÊѶ
¸ù¾ÝACM¹Ù·½ÍøÕ¾3ÔÂ9ÈÕ·¢²¼µÄÏûÏ¢£¬2009ÄêͼÁé½±ÊÚÓèÁËÏÖ´úPCÖ®¸¸Charles Thacker£¬ÒÔ±íÕÃËû¶ÔµÚһ̨ÏÖ´ú¸öÈ˼ÆËã»úXerox PARC Altoµ ......

C/C++³ÌÐòÄÚ´æ·ÖÅäÏê½â


Ò»¸öÓÉC/C++±àÒëµÄ³ÌÐòÕ¼ÓõÄÄÚ´æ·ÖΪÒÔϼ¸¸ö²¿·Ö
1¡¢Õ»Çø£¨stack£©— ³ÌÐòÔËÐÐʱÓɱàÒëÆ÷×Ô¶¯·ÖÅ䣬´æ·Åº¯ÊýµÄ²ÎÊýÖµ£¬¾Ö²¿±äÁ¿µÄÖµµÈ¡£Æä²Ù×÷·½Ê½ÀàËÆÓÚÊý¾Ý½á¹¹ÖеÄÕ»¡£³ÌÐò½áÊøÊ±ÓɱàÒëÆ÷×Ô¶¯ÊÍ·Å¡£
2¡¢¶ÑÇø£¨heap£© — ÔÚÄڴ濪±ÙÁíÒ»¿é´æ´¢ÇøÓò¡£Ò»°ãÓɳÌÐòÔ±·ÖÅäÊÍ·Å£¬ Èô³ÌÐòÔ±²»ÊÍ·Å£¬³ÌÐò½áÊøÊ±¿É ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ