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

Cר¼Ò±à³Ì¾«±àÖ®Ò»

Cר¼Ò±à³Ì  ¾«±àÖ®Ò»     µÚÒ»ÕÂ~µÚÈýÕÂ
CµÄ¸´ÔÓÖ®´¦ ÔÚÓÚËüµÄÖ¸Õë ,µ«ÊÇ±ÈÆäÖ¸Õë¸üΪ¸´ÔÓµÄÊÇËüµÄÉùÃ÷ !!!
ÄãÄÜ¿´¶®ËüÃǵÄÒâ˼ Âð?
apple=sizeof(int)*p  ;   apple=sizeof * p;
j= (char (*)[20])malloc(20);
int   const * grape; Óë   int * const grape; µÄÇø±ð 
typedef void (*ptr_to_func)(int);
void (*signal(int sig,void (*func)(int )))(int );  
¼¸¸öÑùÀý:
        Ò»:char *a; const char *b;   a=b;//³öÏÖ¾¯¸æ.         why?
        ¶þ: const int two =2;
            switch(i)
             {
              case 1:printf("case 1 !  \n");
              case two :printf("case 2\n");
              }
            ±àÒë³ö´í,˵Ã÷ÁË.....?
       Èý:switch(){..}ÖÐ°Ñ default¸Ä³É defau1t (ÎÞÐÄÖ®¹ý,»òÆäËü±êÇ©Èçdefavlt,dafault..)¶¼±àÒëͨ¹ý .  why?
       ËÄ: apple=sizeof(int)*p  ;   apple=sizeof * p;    //ÊÇʲôÒâ˼?   ÁíÍâ, y=sizeof x; ÄܱàÒëͨ¹ýÂð?
       Îå:  j= (char (*)[20])malloc(20);                     //ÔõôÑù?
       Áù:  result=*x/*y ;     //³ö´í?why   ?   
             z=y+++x;   ¼´Îª: z=y++ +x;    µ«z=y+ + +x; &n


Ïà¹ØÎĵµ£º

¹ØÓÚCÖеĻص÷º¯ÊýµÄÓ¦ÓÃ

ÔÚʹÓûص÷º¯ÊýÖУ¬ÍùÍù»áÉèÖÃÒ»¸öÖ¸Ïòº¯ÊýµÄÖ¸Õ룬ÄÇΪʲô²»Ö±½Ó½«º¯ÊýÃû×÷Ϊ²ÎÊý´«µÝÄØ£¿
Ô­ÒòÊÇ£ºÔÚCÓïÑÔÖк¯Êý±¾Éí²»ÊDZäÁ¿£¬µ«ÊÇ¿ÉÒÔ¶¨ÒåÖ¸Ïòº¯ÊýµÄÖ¸Õë¡£ÕâÖÖÀàÐ͵ÄÖ¸Õë¿ÉÒÔ±»¸³Öµ¡¢´æ·ÅÔÚÊý×éÖС¢´«µÝ¸øº¯ÊýÒÔ¼°×÷Ϊº¯ÊýµÄ·µ»ØÖµ£¬
ÏÂÃæÊÇÎÒÔÚÍøÉÏÕÒµ½µÄÒ»¸ö¹ØÓڻص÷º¯ÊýµÄСÀý×Ó£¨¶ÔÔ­ÎĵÄÀý×ÓÓÐËùÐ޸ģ©
Ô­ÎÄÁ ......

¾ö²ßÊ÷C4.5Ëã·¨Java´úÂë

    - ¼ÓÈë²ËÄñÑ§Ï°Íø£¬»ñµÃÕ䲨×ÊÔ´

Java´úÂë Êý¾ÝÍÚ¾òÖоö²ßÊ÷C4.5Ô¤²âË㷨ʵÏÖ(°ë³ÉÆ·£¬»¹ÒªÐ´¹æÔòºó¼ôÖ¦¼°¶Ô·ÇÀëÉ¢Êý¾ÝÐÅÏ¢ÔöÒæ¼ÆËã) Java´úÂë package org.struct.decisiontree;   import java.util.ArrayList;   import java.util.Arrays; ......

C/C++¶¨ÒåÈ«¾Ö±äÁ¿/³£Á¿¼¸ÖÖ·½·¨µÄÇø±ð

. ±àÒëµ¥Ôª(Ä£¿é)£º
    ÔÚIDE¿ª·¢¹¤¾ß´óÐÐÆäµÀµÄ½ñÌ죬¶ÔÓÚ±àÒëµÄһЩ¸ÅÄîºÜ¶àÈËÒѾ­²»ÔÙÇå³þÁË£¬ºÜ¶à³ÌÐòÔ±×îŵľÍÊÇ´¦ÀíÁ¬½Ó´íÎó(LINK ERROR), ÒòΪËü²»Ïñ±àÒë´íÎóÄÇÑù¿ÉÒÔ¸ø³öÄã³ÌÐò´íÎóµÄ¾ßÌåλÖã¬Äã³£³£¶ÔÕâÖÖ´íÎó¸Ðµ½°ÃÄÕ£¬µ«ÊÇÈç¹ûÄã¾­³£Ê¹ÓÃgcc£¬makefileµÈ¹¤¾ßÔÚlinux»òÕßǶÈëʽÏÂ×ö¿ª·¢¹¤×÷µÄ ......

Æäʵ»Øµ÷º¯Êý²¢²»ÉñÃØ C/C++Öлص÷º¯Êý³õ̽

¼ò½é
¡¡¡¡¶ÔÓںܶà³õѧÕßÀ´Ëµ£¬ÍùÍù¾õµÃ»Øµ÷º¯ÊýºÜÉñÃØ£¬ºÜÏëÖªµÀ»Øµ÷º¯ÊýµÄ¹¤×÷Ô­Àí¡£±¾ÎĽ«Òª½âÊÍʲôÊǻص÷º¯Êý¡¢ËüÃÇÓÐʲôºÃ´¦¡¢ÎªÊ²Ã´ÒªÊ¹ÓÃËüÃǵȵÈÎÊÌ⣬ÔÚ¿ªÊ¼Ö®Ç°£¬¼ÙÉèÄãÒѾ­ÊìÖªÁ˺¯ÊýÖ¸Õë¡£
¡¡¡¡Ê²Ã´Êǻص÷º¯Êý£¿
¡¡¡¡¼ò¶øÑÔÖ®£¬»Øµ÷º¯Êý¾ÍÊÇÒ»¸öͨ¹ýº¯ÊýÖ¸Õëµ÷Óõĺ¯Êý¡£Èç¹ûÄã°Ñº¯ÊýµÄÖ¸Õë(µØÖ·)×÷Ϊ²ÎÊý ......

ARMÖÐCºÍ»ã±à»ìºÏ±à³Ì¼°Ê¾Àý

1£® ÔÚCÓïÑÔÖÐÄÚǶ»ã±à
ÔÚCÖÐÄÚǶµÄ»ã±àÖ¸Áî°üº¬´ó²¿·ÖµÄARMºÍThumbÖ¸Á²»¹ýÆäʹÓÃÓë»ã±àÎļþÖеÄÖ¸ÁîÓÐЩ²»Í¬£¬´æÔÚһЩÏÞÖÆ£¬Ö÷ÒªÓÐÏÂÃæ¼¸¸ö·½Ã棺
 
a. ²»ÄÜÖ±½ÓÏòPC¼Ä´æÆ÷¸³Öµ£¬³ÌÐòÌø×ªÒªÊ¹ÓÃB»òÕßBLÖ¸Áî
b. ÔÚʹÓÃÎïÀí¼Ä´æÆ÷ʱ£¬²»ÒªÊ¹ÓùýÓÚ¸´ÔÓµÄC±í´ïʽ£¬±ÜÃâÎïÀí¼Ä´æÆ÷³åÍ»
c. R12ºÍR13¿ÉÄܱ»±àÒë ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ