ubuntu ϵĵÚÒ»¸öC³ÌÐò
ʹÓà gcc ÔÚ ubuntu Ï ±àÒë Ò»¸ö C³ÌÐò £º
µÚÒ»²½Ö裺´ò¿ª ÖÐ¶Ë £¨Õâ¸ö ÖªµÀ°É£¿£©
ÊäÈë sudo gedit no.c (no.cΪCÎļþÃû×Ö)
sudo ±íʾÄãÊäÈëµÄÃüÁî¾ßÓйÜÀíԱȨÏÞ
gedit ±íʾÄãÒª±à¼Ò»¸öÎļþ
on.c¾ÍÊÇÄãÒª±à¼µÄÎļþÁËŶ£¬Èç¹û¸ÃÎļþ²»´æÔÚ£¬ÏµÍ³»áн¨Ò»¸öÎļþµÄ
µÚ¶þ²½Ö裺ÊäÈëC´úÂë²¢±£´æ£¨²»ÒªÓÐÓï·¨´íÎóŶ£©
µÚÈý²½Ö裺ÊäÈë sudo gcc -o no no.c ÕâÑù¾Í»á½øÐбàÒ룬Èç¹û±àÒë³É¹¦Á˾ͽøÐÐÏÂÒ»²½£¬·ñÔò¼ì²é
ÄãµÄ´úÂëÊÇ·ñÓÐ´í £»sudo µÄÒâ˼ºÍÉÏÃæÒ»Ñù ; gccÊDZíʾÓÃGCC±àÒëÆ÷±àÒë ; £o ÊÇÉú³ÉÄ¿±ê
Îļþ £»no ÊÇÄãÒªÉù³ÆµÄÄ¿±êÎļþµÄÃû×Ö£»no.cÊÇÔ´Îļþ£¨¾ÍÊÇÓÃÀ´Éù³ÆÄ¿±êÎļþµÄÔ´Îļþ£©
µÚËIJ½Ö裺Èç¹ûûÓдíÎó£¬Ö´ÐÐ ÕâÒ»¸ö²½Ö裺 ./no ±íʾÔËÐбàÒëºÃµÄÎļþ
ºÃÁË£¬ÒÔÉ϶¼ÊÇÎÒ³õѧ UBUNTUµÄÐĵà ÈçÓÐÀí½â²»¶ÔµÄ£¬ÇëÖ¸³öŶ £¡
Ïà¹ØÎĵµ£º
VB
If MSComm1.PortOpen = True Then MSComm1.PortOpen = False
MSComm1.CommPort = i1
MSComm1.PortOpen = True
MSComm1.InputMode = comInputModeBinary
MSComm1.InBufferCount = 0
& ......
1.ÓÃÔ¤´¦ÀíÖ¸Áî#defineÉùÃ÷Ò»¸ö³£Êý£¬±íÃ÷1ÄêÓжàÉÙÃ루ÈòÄêºöÂÔ£©
#define SECONDS_PER_YEAR (60*60*24*365)UL
2.дһ¸ö“±ê×¼”ºê MIN£¬ÊäÈëÁ½¸ö²ÎÊý²¢·µ»Ø½ÏСµÄÒ»¸ö
#define MIN(A,B) ( ( (A)<=(B) )?(A):(B) )
3.Ô¤´¦Àí±êʶ#errorµÄÄ¿µÄÊÇʲô?
Í£Ö¹±àÒë²¢ÏÔʾ³ö´íÐÅÏ¢
4.ÓÃCÓïÑÔ±àдһ¸öËÀÑ ......
½«Àà³ÉÔ±º¯ÊýÓÃ×öC»Øµ÷º¯Êý
Ìá³öÎÊÌ⣺
»Øµ÷º¯ÊýÊÇ»ùÓÚC±à³ÌµÄWindows SDKµÄ¼¼Êõ£¬²»ÊÇÕë¶ÔC++µÄ£¬³ÌÐòÔ±¿ÉÒÔ½«Ò»¸öCº¯ÊýÖ±½Ó×÷Ϊ»Øµ÷º¯Êý£¬µ«ÊÇÈç¹ûÊÔͼֱ½ÓʹÓÃC++µÄ³ÉÔ±º¯Êý×÷Ϊ»Øµ÷º¯Êý½«·¢Éú´íÎó£¬ÉõÖÁ±àÒë¾Í²»ÄÜͨ¹ý¡£
·ÖÎöÔÒò£º
ÆÕͨµÄC++³ÉÔ±º¯Êý¶¼Òþº¬ÁËÒ»¸ö´«µÝº¯Êý ......
ÔÚC/C++ÖУ¬ÄÚ´æÖÐÊý¾Ý´æ´¢·Ö³É4¸öÇø£¬·Ö±ðÊǶѡ¢Õ»¡¢È«¾Ö/¾²Ì¬´æ´¢ÇøºÍ³£Á¿´æ´¢Çø¡£
Õ»(stack)£¬¾ÍÊÇÄÇЩÓɱàÒëÆ÷ÔÚÐèÒªµÄʱºò·ÖÅ䣬ÔÚ²»ÐèÒªµÄʱºò×Ô¶¯Çå³ýµÄ±äÁ¿µÄ´æ´¢Çø¡£ÀïÃæµÄ±äÁ¿Í¨³£ÊǾֲ¿±äÁ¿¡¢º¯Êý²ÎÊýµÈ¡£
¶Ñ(heap)£¬Ò»°ãÓ ......
#include <stdio.h>
struct Foo1
{
char a;
int b;
char c;
int d;
};
#pragma pack (2)
struct Foo2
{
char a;
int b;
char c;
int d; ......