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ÀýÈç:
#if defined(_PC) && defined(_SSE)
# ifdef DEBUG
#  define __PC_VERIFY_ALIGNMENT__
# endif
# ifdef __PC_VERIFY_ALIGNMENT__
#  define PC_VERIFY_ALIGN_ASSERT( ptr ) \
  {\
   if( ( ( (INT) ptr ) % 16) != 0 ) \
   {\
    debugf( NAME_Critical, TEXT("Unaligned PC data (0x%X)"), ptr ); \
    DebugBreak(); \
   }\
  }
# else
#  define PC_VERIFY_ALIGN_ASSERT( ptr )
# endif
#else
# define PC_VERIFY_ALIGN_ASSERT( ptr )
#endif
ÔÙ̸µ½Ô¤±àÒëÃüÁî:
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  Í·Îļþͨ¹ýinclude   Ô¤´¦ÀíÆ÷ָʾ·ûpreprocessor   include   directive   ¶ø³ÉΪÎÒÃdzÌÐòµÄ  
  Ò»²¿·ÖÔ¤´¦ÀíÆ÷ָʾ·ûÓÃ#   ºÅ±êʶÕâ¸ö·ûºÅ½«·ÅÔÚ³ÌÐòÖиÃÐеÄ×îÆðʼһÁÐÉÏ´¦Àí  
  ÕâЩָʾ·ûµÄ³ÌÐò±»³Æ×öÔ¤´¦ÀíÆ÷preprocessor   ͨ³£À¦°óÔÚ±àÒëÆ÷ÖÐ  
  #include   ָʾ·û¶ÁÈëÖ¸¶¨ÎļþµÄÄÚÈÝËüÓÐÁ½ÖÖ¸ñʽ  
  #include   <some_file.h>  
  #include   "my_file.h"  
  Èç¹ûÎļþÃûÓüâÀ¨ºÅ<   ºÍ>   À¨ÆðÀ´±íÃ÷Õâ¸öÎļþÊÇÒ»¸ö¹¤³Ì»ò±ê׼ͷÎļþ²é  
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C_ÔËÓÃdo

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# include <math.h>
# include <stdio.h>    /* Êýѧº¯Êý¿â */
 
int main()
{
    /* ÓÃs±íʾ¶àÏîʽµÄÖµ£¬ÓÃt±íʾÿһÏîµÄÖµ */
    double s, t, x; // ´Ë´¦ÓÃË«¾«¶ÈÉùÃ÷±äÁ¿
    int n;
    printf ......

C_ʹÓÃһάÊý×éʵÏÖÑ¡ÔñÅÅÐò·¨

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/* ʹÓÃÑ¡Ôñ·¨ÅÅÐò */
# include <stdio.h>
 
int main()
{
    int i, j, min, temp;
    /* ¶¨ÒåÒ»¸öÕûÐ͵ÄһάÊý×é */
    int array[10];
    /* ÊäÈëÊý¾Ý */
    printf("Please input ten integ ......

C_ʹÓöþάÊý×é×÷³ö¾ØÕóͼ

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# include <stdio.h>
 
int main()
{
    int array[16][16];
    int i, j, k, m, n;
     
    /* ±äÁ¿³õʼ»¯ */
    m = 1;
    while(m == 1)
    {
   ......

linux ÏÂc++¼°mysql¶Ôʱ¼ä´¦ÀíµÄ³£Óü¼ÇÉ

mysql ½ØÈ¡Ä³Ò»¸öʱ¼ä(datetimeÀàÐÍ)µÄÈÕÆÚ£º
·½·¨1£ºselect date(row_name) from table_name where row = row1;
·½·¨2£ºselect left(row_name, 10) from table_name where row = row1;
·½·¨3£ºselect cast(row_name as char[10]) from table_name where row = row1;
È¡µÃij¸öÈÕÆÚµÄtime_tÊýÖµ£ºselect unix_times ......

C Sharp(C#)ÖÐÈçºÎɾ³ýÎļþ(Îļþ¼Ð)

C Sharp(C#)ÖÐÈçºÎɾ³ýÎļþ(Îļþ¼Ð)
Ö±½Óɾ³ý:
using System.IO;
...
string filePath = @"D:\...\xxx.xxx";

if (File.Exists(filePath))
{
File.Delete(filePath);
}
else
{
Console. ......
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