gaye

Originally posted by secretfj at 2005-6-19 06:37 PM:) a' @1 o  ~' O- L: f; ]' w, ]# Y( N
有無人知點解?  r; N0 V8 p7 a
Server 的Backup Code?
/ i! W# e# j7 w* X6 {7 v. |so funny, thanks a lot!

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, w5 ?) m  _* {* s好簡單, ICQ 應該係 Visual C++ 寫的 , 而係 Visual C++ 入面9 u) Z, e( e! a: V1 f" O
Maximum value for a variable of type "unsigned int" 係 4294967295 (0xffffffff)
1 K2 o, [" \# {1 u個 value 過左呢個 range 就會 overflow , 佢只會理最後個32bits 數 (即係好似返返轉頭 , 循環咁)
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0 + 4294967295 = 4294967295 (max)% e/ A. K6 n: `3 y
1 + 4294967295 = 0 + 4294967296 = 0 (because of overflow)
& ]8 V2 ]% l1 n% X  q: R9 l3 Aand so on....$ I# k2 C+ i$ ]3 T- x+ `! K

2 r" o6 p% G2 r, @. f[ Last edited by gaye on 2005-6-19 at 06:57 PM ]

gaye

Originally posted by crap at 2005-6-19 07:14 PM:
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( x# x' |" v2 F; ]+ m嘩

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; I. K# s; ^/ I5 X4 E, M小弟都係比較多睇電腦雜誌