gaye

Originally posted by secretfj at 2005-6-19 06:37 PM:+ D2 W$ _, j# ~, U
有無人知點解?+ I% |# K, ]! n: a
Server 的Backup Code?
4 X; R  G) s' d1 Tso funny, thanks a lot!

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" A" W8 _9 \' ]" {  D0 {好簡單, ICQ 應該係 Visual C++ 寫的 , 而係 Visual C++ 入面
4 F3 s0 g1 i8 M3 eMaximum value for a variable of type "unsigned int" 係 4294967295 (0xffffffff) 7 z! _5 }& F' ]6 G
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)
: [( r0 g; E& n% ?4 R2 J8 e1 + 4294967295 = 0 + 4294967296 = 0 (because of overflow): Z% q- ?# g% }* R- j
and so on....
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1 [. o! M2 _( d6 G" u) x[ Last edited by gaye on 2005-6-19 at 06:57 PM ]

gaye

Originally posted by crap at 2005-6-19 07:14 PM:. h; a3 l3 x6 G' H- T1 d7 Y2 o  ?

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小弟都係比較多睇電腦雜誌