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Ô­Ìù£ºhttp://topic.csdn.net/u/20100412/14/f6941844-e9bf-4ed7-a0c2-bef03d775783.html?70615
declare @data xml=
'<root>
  <SaleMan>
  <SaleManId>1</SaleManId>
  <SaleManCode>001</SaleManCode>
  <Nodes>
  <Node>
  <NodeId>101</NodeId>
  <NodeCode>101</NodeCode>
  <CardSetting>
  <R1>1</R1>
  <R2>2</R2>
  <R3>3</R3>
  </CardSetting>
  </Node>
  <Node>
  <NodeId>102</NodeId>
  <NodeCode>102</NodeCode>
  <CardSetting>
  <R1>1</R1>
  <R2>2</R2>
  <R3>3</R3>
  <R8>0</R8>
  </CardSetting>
  </Node>
  <Node>
  <NodeId>103</NodeId>
  <NodeCode>103</NodeCode>
  <CardSetting>
  & ......

xml»ù´¡

Ò»XML ½âÎöÆ÷
´ó¶àÊýä¯ÀÀÆ÷¶¼ÓжÁÈ¡ºÍ²Ù×÷ XML µÄÄÚ½¨ XML ½âÎöÆ÷¡£
½âÎöÆ÷°Ñ XML ת»»Îª JavaScript ¿É·ÃÎʵĶÔÏó¡£
½âÎö XML
ËùÓÐÏÖ´úä¯ÀÀÆ÷¶¼ÓжÁÈ¡ºÍ²Ù×÷ XML µÄÄÚ½¨ XML ½âÎöÆ÷¡£
½âÎöÆ÷°Ñ XML ÔØÈëÄڴ棬Ȼºó°ÑËüת»»Îª¿Éͨ¹ý JavaScript ·ÃÎ浀 XML DOM ¶ÔÏó¡£
Äú½«ÔÚ±¾½Ì³ÌµÄÏÂÒ»½ÚÖÐѧϰ¸ü¶àÓÐ¹Ø XML DOM µÄ֪ʶ¡£
΢ÈíµÄ XML ½âÎöÆ÷ÓëÆäËûä¯ÀÀÆ÷ÖеĽâÎöÆ÷Ö®¼ä£¬´æÔÚһЩ²îÒ졣΢ÈíµÄ½âÎöÆ÷Ö§³Ö XML ÎļþºÍ XML ×Ö·û´®£¨Îı¾£©µÄ¼ÓÔØ£¬¶øÆäËûä¯ÀÀÆ÷ʹÓõ¥¶ÀµÄ½âÎöÆ÷¡£²»¹ý£¬ËùÓеĽâÎöÆ÷¶¼°üº¬±éÀú XML Ê÷¡¢·ÃÎʲåÈ뼰ɾ³ý½Úµã£¨ÔªËØ£©¼°ÆäÊôÐԵĺ¯Êý¡£
ÔÚ±¾½Ì³ÌÖУ¬ÎÒÃǽ«ÎªÄúչʾÈçºÎ´´½¨¿Éͬʱ¹¤×÷ÓÚ Internet Explorer ºÍÆäËûä¯ÀÀÆ÷ÖеĽű¾¡£
×¢ÊÍ£ºµ±ÎÒÃÇ̸¼° XML ½âÎö£¬ÎÒÃdz£³£»áʹÓÃÓÐ¹Ø XML ÔªËØµÄÊõÓ½Úµã¡£
ͨ¹ý΢ÈíµÄ XML ½âÎöÆ÷À´¼ÓÔØ XML
΢ÈíµÄ XML ½âÎöÆ÷ÄÚ½¨ÓÚ Internet Explorer 5 ÒÔ¼°¸ü¸ßµÄ°æ±¾ÖС£
ÏÂÃæµÄ JavaScript Ƭ¶Î°ÑÒ»¸ö XML ÎĵµÔØÈë½âÎöÆ÷ÖУº
var xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
xmlDoc.async="false";
xmlDoc.load("note.xml");
Àý×Ó½âÊÍ£º
ÉÏÃæ´úÂëµÄµÚÒ»¸öÐд´½¨Ò»¸ö¿ÕµÄ΢Èí XML Îĵµ¶ÔÏó ......

ÔÚcÖÐÈçºÎʵÏּ̳еÄЧ¹û

http://topic.csdn.net/u/20100413/09/ffc0fcd5-c3c1-4a15-b5a2-f1bf65f50caa.html?21874
C/C++ code
typedef struct _VSCSIDISK_COMMON_DEVICE_EXTENSION
{
BOOLEAN IsPdo;
} VSCSIDISK_COMMON_DEVICE_EXTENSION, *PVSCSIDISK_COMMON_DEVICE_EXTENSION;

typedef struct _VSCSIDISK_PDO_DEVICE_EXTENSION
#ifdef __cplusplus
: VSCSIDISK_COMMON_DEVICE_EXTENSION
{
#else
{
VSCSIDISK_COMMON_DEVICE_EXTENSION;//ÕâÀïÔõÑùÀí½â£¿
#endif
ULONG DeviceId; // unique device id
} VSCSIDISK_PDO_DEVICE_EXTENSION, *PVSCSIDISK_PDO_DEVICE_EXTENSION;
ÕýÈ·½âÊÍ 16Â¥
ÒòΪCÓïÑÔûÓÐÀ༰¼Ì³ÐµÄ¸ÅÄËùÒÔ²»Äܸø½á¹¹Ö¸¶¨»ùÀà¡£“VSCSIDISK_COMMON_DEVICE_EXTENSION;”¾ÍÊÇʵÏּ̳еÄЧ¹û£¬²»Ö¸¶¨³ÉÔ±±äÁ¿Ãû£¬Ôò¿ÉÒÔÖ±½Ó·ÃÎÊVSCSIDISK_COMMON_DEVICE_EXTENSIONÖеijÉÔ±£¬ÀýÈ磺
VSCSIDISK_PDO_DEVICE_EXTENSION x;
x.IsPdo = FALSE;
Èç¹ûÖ¸¶¨Á˳ÉÔ±±äÁ¿Ãû£¬ÔòÒªÓñäÁ¿ÃûÀ´·ÃÎÊ£¬¼ÙÉ趨ÒåΪ“VSCSIDISK_COMMON_DEVICE_EXTENSION a;”£¬Ôò·ÃÎÊ·½Ê½Îª£º
VSCSIDISK_PD ......

about pack and align for C/C++

http://msdn.microsoft.com/en-us/library/2e70t5y1(VS.80).aspx
#pragma
pack(  n  )
n : Valid values are 1, 2, 4, 8, and 16.the
alignment of a member will be on a boundary that is either a multiple of 
n
 or
a multiple of the size of the member
,
whichever is smaller.
The
default value for n
 is 8
³ÉÔ±±äÁ¿¶ÔÆë£ºÑ¡n
ºÍ¸Ã³ÉÔ±³¤¶È
µÄ
×îСֵ(µÄ±¶Êý)
½á¹¹ABCDÖÐdµÄ¶ÔÆë·½Ê½£¬Ñ¡nºÍsizeof(d)µÄ×îСֵ8£¬È»ºó°´8×Ö½Ú¶ÔÆë£¡£¡£¡
sizeof´óС£ºÑ¡n
ºÍ×î´ó³É
Ô±³¤¶È
µÄ×îСֵ£¬¶ÔÆë
Àý×Ó£º
#pragma
pack(8)
struct ABCD
{
bool
b;
short s;
double d;
};
int
main()
{
cout << offsetof(ABCD,
b) << endl;
cout << offsetof(ABCD,
s) << endl;
cout << offsetof(ABCD,
d) << endl;
cout << sizeof(ABCD) << endl;
}
output
is:

2
8
16
http://msdn.microsoft.com/en-us/library/83ythb65(VS.71).aspx
__declspec( align( n ) )
__declspec( align() ) ºÍ #pragma pack ......

about pack and align for C/C++

http://msdn.microsoft.com/en-us/library/2e70t5y1(VS.80).aspx
#pragma
pack(  n  )
n : Valid values are 1, 2, 4, 8, and 16.the
alignment of a member will be on a boundary that is either a multiple of 
n
 or
a multiple of the size of the member
,
whichever is smaller.
The
default value for n
 is 8
³ÉÔ±±äÁ¿¶ÔÆë£ºÑ¡n
ºÍ¸Ã³ÉÔ±³¤¶È
µÄ
×îСֵ(µÄ±¶Êý)
½á¹¹ABCDÖÐdµÄ¶ÔÆë·½Ê½£¬Ñ¡nºÍsizeof(d)µÄ×îСֵ8£¬È»ºó°´8×Ö½Ú¶ÔÆë£¡£¡£¡
sizeof´óС£ºÑ¡n
ºÍ×î´ó³É
Ô±³¤¶È
µÄ×îСֵ£¬¶ÔÆë
Àý×Ó£º
#pragma
pack(8)
struct ABCD
{
bool
b;
short s;
double d;
};
int
main()
{
cout << offsetof(ABCD,
b) << endl;
cout << offsetof(ABCD,
s) << endl;
cout << offsetof(ABCD,
d) << endl;
cout << sizeof(ABCD) << endl;
}
output
is:

2
8
16
http://msdn.microsoft.com/en-us/library/83ythb65(VS.71).aspx
__declspec( align( n ) )
__declspec( align() ) ºÍ #pragma pack ......

C/C++µ¥Ôª²âÊÔÀíÂÛ¾«Òª£¨¶þ£©

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    Èç¹ûʱ¼ä½ôÕÅ£¬Ó¦¸ÃÓÅÏȲâÊÔÄÄЩ´úÂëÄØ£¿´úÂëµÄ¹¦ÄÜÂß¼­Ô½¸´ÔÓ£¬Ò²¾ÍÊÇËã·¨Ãܼ¯¶ÈÔ½¸ß£¬¿ÉÄܵĴíÎóÔ½¶à£¬Ô½ÐèÒªÈ«ÃæµÄ²âÊÔ£¬²âÊÔÐ§ÒæÔ½´ó¡£ËùÒÔ£¬Èç¹ûʱ¼ä²»¹»£¬Ó¦¸ÃÓÅÏȲâÊÔËã·¨Ãܼ¯µÄ´úÂë¡£80-20¹æÔòÔÚÈí¼þ¿ª·¢ÖÐͬÑù´æÔÚ£¬Ò²¾ÍÊÇ80%µÄ´úÂë´íÎó¿ÉÄÜ´æÔÚÓÚ20%µÄ´úÂëÖУ¬20%µÄ´úÂë¿ÉÄÜÕ¼ÓÃÁË80%µÄ¿ª·¢µ÷ÊÔʱ¼ä¡£Õâ20%¾ÍÊÇËã·¨Ãܼ¯µÄ´úÂ룬¼´Ê¹Ö»¶ÔÕâЩ´úÂë½øÐе¥Ôª²âÊÔ£¬Ò²¿ÉÒÔ²úÉú¾Þ´óµÄÐ§Òæ¡£´úÂ븴ÔӶȺͲâÊÔ¼ÛÖµ¿ÉÒÔÓù¤¾ßÀ´Í³¼Æ¡£
    ²âÊÔ·½·¨Ö÷ÒªÓÐÁ½ÖÖ£º¾²Ì¬ºÍ¶¯Ì¬¡£¾²Ì¬·½·¨Ö÷ÒªÓɹ¤¾ßɨÃèºÍ·ÖÎö´úÂë¡£¶¯Ì¬·½·¨ÔòÐèÒªÖ´ÐдúÂë¡£
   
    ¾²Ì¬·½·¨ÄÜ·¢ÏÖÄÄЩ´íÎóÄØ£¿´Ó¾²Ì¬²âÊԵĽǶÈÀ´¿´£¬´úÂë´íÎó¿É·ÖΪ´úÂëȱʧ£¬ÓïÒå´í ......

C:\WINDOWS\system32\drivers\etc\hostsÊÇʲô¹¦ÄÜ??

½âÎöHostsÎļþ
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    ÓüÇʱ¾´ò¿ªhostsÎļþ£¬Ê×ÏÈ¿´¼ûÁË΢Èí¶ÔÕâ¸öÎļþµÄ˵Ã÷¡£Õâ¸öÎļþÊǸù¾ÝTCP/IPforWindowsµÄ±ê×¼À´¹¤×÷µÄ£¬ËüµÄ×÷ÓÃÊǰüº¬IPµØÖ·ºÍHost name(Ö÷»úÃû)µÄÓ³Éä¹ØÏµ£¬ÊÇÒ»¸öÓ³ÉäIPµØÖ·ºÍHostname(Ö÷»úÃû)µÄ¹æ¶¨£¬¹æ¶¨ÒªÇóÿ¶ÎÖ»ÄܰüÀ¨Ò»¸öÓ³Éä¹ØÏµ£¬IPµØÖ·Òª·ÅÔÚÿ¶ÎµÄ×îÇ°Ãæ£¬¿Õ¸ñºóÔÙдÉÏÓ³ÉäµÄHost name(Ö÷»úÃû)¡£¶ÔÓÚÕâ¶ÎµÄÓ³Éä˵Ã÷ÓÓ#”·Ö¸îºóÓÃÎÄ×Ö˵Ã÷¡£
    ÏÖÔÚÈÃÎÒÃÇÀ´¿´¿´HostsÔÚWindowsÖÐÊÇÔõô¹¤×÷µÄ¡£
    ÎÒÃÇÖªµÀÔÚÍøÂçÉÏ·ÃÎÊÍøÕ¾£¬ÒªÊ×ÏÈͨ¹ýDNS·þÎñÆ÷°ÑÍøÂçÓòÃû£¨www.XXXX.com£©½âÎö³É61.XXX.XXX.XXXµÄIPµØÖ·ºó£¬ÎÒÃǵļÆËã»ú²ÅÄÜ·ÃÎÊ¡£ÒªÊǶÔÓÚÿ¸öÓòÃûÇëÇóÎÒÃǶ¼ÒªµÈ´ýÓòÃû·þÎñÆ÷½âÎöºó·µ»ØIPÐÅÏ¢£¬ÕâÑù·ÃÎÊÍøÂçµÄЧÂʾͻήµÍ£¬¶øHostsÎļþ¾ÍÄÜÌá¸ß½âÎöЧÂÊ¡£¸ù¾ÝWindowsϵͳ¹æ¶¨£¬ÔÚ½øÐÐDNSÇëÇóÒÔǰ£¬Windowsϵͳ»áÏÈ¼ì² ......
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