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µoªí©ó¡G Jul 27 2006, 14:09 ¡@
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°²¦p²{¦b¦³¤@­Ó 40kB ªºÀÉ®×. (Åý°ÝÃD§ó²M´·, ´N°²³]¥¦¬O·Ç·Ç½T½T¤£¦h¤£¤Ö 40kB§a)

§Ú²{¦b HEXEDIT ¥¦ (16¶i¨î½s¿è??),

§Ú¥Îreplace all §â³oÀÉ®×ùتº "01 02 03 04 05" ªº¤­Byte ¦ê replace ¬° "06 07 08 09 0A" (¨ä¹êreplace °µ¬Æ»ò¬O¨S¦³¼vÅTªº),


¦pªG§Ú¹ê»Ú·Qreplaceªº "01 02 03 04 05" ¦ê ¦b¸ÓÀÉ®×ùØ¥u¥X²{ 3 ¦¸, ¦Ó³o¤T­Ó "01 02 03 04 05" ¦ê ¦bÀÉ®×ùج۹j¨¬°÷»·.
(¸ÑÄÀ¤@¤U: §Ú·Q¨ú¥Nªº "01 02 03 04 05" ¦b¸ÓÀÉ®×ùتí¹F¬Y¸ê®Æ, ©Ò¥H§Ú­n§â©Ò¦³¥Nªí¸Ó¸ê®Æªº"01 02 03 04 05 " ¨ú¥N¬°¥t¤@­Ó¦ê, ¦ý¤@­ÓÀÉ®×ùؤ]¦³¥i¯à¦]¥©¦X¦Ó¥X²{¨Ã¤£¬O¥Nªí¸Ó¸ê®Æªº "01 02 03 04 05" ²Õ¦X)


¨º»ò, ¦³¨ä¥L"01 02 03 04 05"¦]¯Âºé¥©¦X¦Ó³Q replace ªº¾÷·|¬O¦h¤Ö?



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¸Õ¸Õ§Î¶H¤Æ¤@ÂI¨Ó»¡, ¦pªG§Ú­n§âÉÓÄ_¹CÀ¸ùتº©Ò¦³¡uMARIO¡v¦r²´§ï¬°¡uPEACH¡v, ¨º§Ú«K·|¥Îreplace all §â©Ò¦³ "16 0A 1B 12 18" ¨ú¥N¬° "19 0E 0A 0C 11", ¦ý¨º¹CÀ¸ÀÉùØ¥i¯à¦³¨ä¥L¤£¥Nªí¡uMARIO¡v ¦r²´ªº¦a¤è¦]¥©¦X¦Ó¥X²{"16 0A 1B 12 18" ²Õ¦X, (¨Ò¦p¹Ï¹³¸ê®Æ, ©ÎÃö¥d¸ê®Æ), ¨ºreplace all «K·|§â¨º¨Ç¤£¥Nªí¡uMARIO¡v ¦r²´ªº¦a¤è³£¤@¨Ö§ï¤F.

¥»½g¤å³¹¤w³Q ªüåÈ ©ó Jul 27 2006, 14:17 ½s¿è¹L

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µoªí©ó¡G Jul 27 2006, 14:36 ¡@
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µoªí¼Æ¡G 5,279
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"I found thte foundation of the building."

¨º»ò¥Î replace all, ´N·|§â "foundation" ¤]§ï¬° "abcdeation".

¨º»ò, ·í§Ú¥Îreplace all , §Ú·|»~§â1­Ó©Î¥H¤W ¤£¬O "found" ³æ¦rªº"found" ¦r¦ê¨ú¥Nªº¾÷·|¬O¦h¤Ö?



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2. ¸Ó¤å¦rÀÉùئ³256ºØ¦r¥À. (¨º¬OASCII ªº©Ò¦³²Å¸¹³£·|¥X²{¤F......)



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µoªí©ó¡G Jul 27 2006, 15:44 ¡@
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1024 bytes (2^10): This definition is always used to express memory capacity, and other quantities which are based on powers of two. Most software also uses it to express storage capacity. This definition has been expressly forbidden by the SI standard (section 3.1, marginal note), and most standards organizations instead recommend the term kibibyte (KiB). Although the word "kibibyte" is seldom seen in practice, it is starting to be adopted by software in which precision is important, such as BitTorrent or the Linux kernel.

1000 bytes (10^3): This definition is consistent with the SI prefix, and is recommended for all uses by international standards organizations such as IEC, IEEE, and ISO, with the abbreviation "kB". The overwhelming popularity of the 1024 definition means that anyone using "kilobyte" to mean 1000 in these situations is likely to cause confusion. However, it is common to use 1000 when deriving kilobyte measures from quantities which are not based on powers of two, such as clock speeds or bitrates.

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¥»½g¤å³¹¤w³Q ®}¤¸ª½ ©ó Jul 28 2006, 17:34 ½s¿è¹L


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µoªí©ó¡G Jul 28 2006, 15:25 ¡@
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µoªí¼Æ¡G 5,279
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QUOTE
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°¨»E ²´¬Ý¨ÓÀ³¸Ó·|¸û±µªñ¹ê»Ú·§²v­È, ¦ý²{¦b¥¼·Q²M·¡¤£·PªÖ©w, ¥i¯à¨º¤­­Ó­Èªº¥X²{·§²v·|¼vÅT·Ç½T«×?

²{¦b§Ú¶É¦V©ó»{¬°³o¯à°÷«OÃÒ­pºâ¥X¨Óªºµª®×§ó±µªñ¹ê»Úªº·§²v­È.

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¦pªG¥Î§ä¥Xªº5­Ó­È¦U¦Û·§²v, ¨ú¥N5 ­Ó 1/256 ¨Ó­pºâ¥©¦X¥X²{"16 0A 1B 12 18"¦êªº¾÷·|, ¨º§ÚÁÙÀ´±o­p, ¦ý¦pªG­n¥Î¨º5­Ó­Èªº¥X²{Á`¼Æ¨Ó¤ÀªR¥L­Ìªº¤À§G, ­pºâ¥X²{"16 0A 1B 12 18"¦êªº·§²v (³o·§²v¥i¥Hµø¬°¡u¹ê»Úªº·§²v­È¡v§a.), ¨º´N¯uªº¦Ò°_§Ú¤F.




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¬JµM»¡¤F, kB ´N¥Î1024 §a.

¥»½g¤å³¹¤w³Q ªüåÈ ©ó Jul 28 2006, 15:45 ½s¿è¹L


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µoªí©ó¡G Aug 5 2006, 03:34 ¡@
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µoªí¼Æ¡G 5,279
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(§Úªº)µª®×:
(¥ý»¡¨S¦³¤¸ª½½Í¨ìªº¼Æ­È¥X²{ÀW²v)

¸ÓÀÉ®×ùتº 5 Byte ¦r¦ê Á`¼Æ = 40 x 1024 - 4 = 40956 (ª¾¤£ª¾¹D - 4 ¬O¬Æ»ò?)

¥i¥H³Q»~´«ªº¦r¦ê = 40956 - 9 x 3 = 40929 (ª¾¤£ª¾¹D 9 x 3 ¬O¬Æ»ò?)

¤@­Ó¦r¦ê¦]¥©¦X¦Ó³Q»~´«ªº¾÷·| = (1/256) ^ 5

¦³¦r¦ê³Q»~´«ªº¾÷·| = 1 - { [1 - (1/256) ^ 5] ^ 40929 }
= 3.72247 x 10^ -8 (®Ú¾Ú¤pºâ½L)

©ÎªÌ binomial expansion approx. = 1 - (1 - 40929 / 256^5) = 3.72247 x 10^ -8

©Ò¥H, °ò©ó¤§«e°²³], ¾÷·|¬O«D±`¤p, ¤j·§¤£·|³Q»~´«.




(¦pªG¦³¸Ó5­Ó¼Æ­È¥X²{ÀW²v, ¨º»ò (1/256)^5 «hÀ³¸Ó´«¬° ¸Ó5­Ó·§²v­¼°_¨Ó)

¥»½g¤å³¹¤w³Q ªüåÈ ©ó Aug 5 2006, 03:38 ½s¿è¹L


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µoªí©ó¡G Aug 5 2006, 03:58 ¡@
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µoªí©ó¡G Aug 6 2006, 02:56 ¡@
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µoªí©ó¡G Aug 6 2006, 06:34 ¡@
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QUOTE (ªüåÈ @ Aug 6 2006, 10:56 AM)
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