gaye

Originally posted by secretfj at 2005-6-19 06:37 PM:
1 S2 s$ `9 p, ?. b有無人知點解?3 o, {# x# n+ Y( C
Server 的Backup Code?
  N8 G3 j) \4 y% k/ @6 K! r: Vso funny, thanks a lot!

6 i" x8 T5 a- G% K& m0 M# u9 E

0 U- z+ p+ [! L% H" a& E; |% o3 n% ^好簡單, ICQ 應該係 Visual C++ 寫的 , 而係 Visual C++ 入面) K; d& d0 s& P# l( {' w7 h
Maximum value for a variable of type "unsigned int" 係 4294967295 (0xffffffff) , J& R2 H% G/ D, w; ?3 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)
! U8 u" M3 E) Te.g.+ ]- n& l" ]: f. ?5 R: ?7 l5 Z
0 + 4294967295 = 4294967295 (max)
  R9 o# k* m4 ]$ L5 O8 O' G1 + 4294967295 = 0 + 4294967296 = 0 (because of overflow): I  l# k6 w: f
and so on..... M+ H( c: S8 v# p

. C# G6 t* w+ c[ Last edited by gaye on 2005-6-19 at 06:57 PM ]

gaye

Originally posted by crap at 2005-6-19 07:14 PM:
9 i8 k. d6 H4 J# U: T2 w3 K7 Q& J) p( k
+ Q7 H3 ]6 O% ^( o. U- B6 D6 P
嘩

# d& w3 M  d" T6 ]; E5 v" [
! ~* J: M; r0 C0 d3 S' S) B. N6 |
小弟都係比較多睇電腦雜誌