１個好得意既野**

CHUNGYIP!

用計數機將你既icq number + 4294967296
- ?3 ^7 A0 I( h9 o+ c0 u將計出黎個數 post 去 ICQ→加入→搜尋, @# k$ x. n7 L$ ^' ~* `  F
就發現搜尋結果係......../ b3 ]* K' L: e7 @# n- Z! f4 R
一個你都識既人!!!!

secretfj

有無人知點解?
3 n1 L  j5 q5 [, v3 o6 P9 I' R4 xServer 的Backup Code?2 z  I9 a+ n( p; x; ^9 t6 m) o) [
so funny, thanks a lot!

gaye

Originally posted by secretfj at 2005-6-19 06:37 PM:
( L" m, Q# Q4 m# @' k. S# N有無人知點解?: w* G% K& l2 \! t, R
Server 的Backup Code?
, ~$ L+ _) q0 lso funny, thanks a lot!

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好簡單, ICQ 應該係 Visual C++ 寫的 , 而係 Visual C++ 入面
& u4 e7 T/ O. K0 uMaximum value for a variable of type "unsigned int" 係 4294967295 (0xffffffff) , ~$ |1 ]! B% M* n* S4 z) H0 e7 P
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)
( k5 z0 h7 T1 @e.g.
# g6 X4 f" T; _* q) E0 + 4294967295 = 4294967295 (max)
1 x* e% ?- [4 e' r+ K1 B& @# h1 + 4294967295 = 0 + 4294967296 = 0 (because of overflow)
6 e! N/ ~, p. H9 Wand so on....* G: z7 `/ D2 z3 y* H

- N6 \) A1 E4 w& o( \/ `  {1 ^[ Last edited by gaye on 2005-6-19 at 06:57 PM ]

crap

Originally posted by gaye at 2005-6-19 08:50 PM:4 {/ v. o( X0 c5 B
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好簡單, ICQ 應該係 Visual C++ ...

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gaye兄好強呀

vivienna

關於SOFTWARE ENG.既野﹐我真係懵過豬頭丙。

gaye

Originally posted by crap at 2005-6-19 07:14 PM:' ?/ `( y" `$ x  }/ Y
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; w( h) D" h- e! p  Y嘩

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小弟都係比較多睇電腦雜誌

sfxc0000

Originally posted by gaye at 2005-6-19 07:36 PM:
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小弟都係比較多睇電腦雜誌

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EF真係多猛人

ken1

Originally posted by gaye at 2005-6-19 06:50 PM:
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3 A& J1 g4 u" I: ~- Z好簡單, ICQ 應該係 Visual C++ ...

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& @" g: i4 B% m# X% u! h$ e

; X2 q* o& H: S6 {4 s4 t我都學過少少visual basic,,
7 h5 [& y' X/ c' A( n8 q% n不過basic始終係basic,,唔夠呢位大哥咁勁,,!

月月鳥

he is me =.=

garycheung

原來係咁,明白了!