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[問題] 有關於左結合或右結合的問題

[ C_and_CPP ]16 留言, 推噓總分: +2

作者: cisco - 發表於 2012/02/24 14:06(14年前)

2^F推shadow0326:估狗short circuit02/24 14:16

Fw: [問題] C#和C++的選擇

[ C_and_CPP ]55 留言, 推噓總分: +21

作者: coolboychiu - 發表於 2012/02/21 21:18(14年前)

48^F→shadow0326:完了完了我工作都在寫不倫不類的c++ XD||02/23 14:19

[問題] 寫程式一定要本科系的才能很強嗎??

[ C_and_CPP ]59 留言, 推噓總分: +27

作者: Non - 發表於 2012/02/17 22:23(14年前)

15^F推shadow0326:覺得好玩就贏一半了啦02/17 23:35

16^F→shadow0326:多得是本科系可是毫無興趣的, 興趣是無價之寶02/17 23:35

[問題] code內function return的問題

[ C_and_CPP ]4 留言, 推噓總分: 0

作者: lueichun - 發表於 2012/02/17 19:35(14年前)

1^F→shadow0326:你沒有接住遞迴回傳的值02/17 20:47

2^F→shadow0326:還有if(head==NULL)　會segmentation fault02/17 20:48

[問題] 多重繼承與多型

[ C_and_CPP ]44 留言, 推噓總分: +7

作者: james732 - 發表於 2012/02/14 08:27(14年前)

5^F推shadow0326:應該是因為把A ptr cast成B的關係, A和B並無derive02/14 10:30

6^F→shadow0326:直接call ((C*)p)->sub() 就是對的02/14 10:31

13^F→shadow0326:可以用dynamic_cast<B*>硬幹, 不過超低效 XD02/14 10:45

20^F推shadow0326:所以我說直接call ((C*)p)->sub() 就是對的, 只是不知02/14 11:00

21^F→shadow0326:道原本要特地cast成B的use case是什麼就是了 @_@02/14 11:01

24^F→shadow0326:可以正確執行是因為C,D剛好成員數一樣, 這寫法也太不健02/14 11:18

25^F→shadow0326:康了 @_@ 架構上要整個改過比較好吧02/14 11:18

[問題] 關於function中malloc問題

[ C_and_CPP ]39 留言, 推噓總分: +7

作者: rg550 - 發表於 2012/02/09 02:05(14年前)

38^F→shadow0326:其實那是STL copy風格, return結尾的iter (大誤)02/10 10:42

[問題] map中的map如何初始化和insert?

[ C_and_CPP ]29 留言, 推噓總分: +1

作者: interpreter - 發表於 2012/02/08 11:55(14年前)

2^F→shadow0326:map<int,int>::value_type(2,3) <- 這個東西不是一個02/08 12:04

3^F→shadow0326:map<int,int>的constructor02/08 12:04

5^F→shadow0326:多分幾行吧, 先宣告一個map<int,int>, insert 2,3 之後02/08 12:10

6^F→shadow0326:再把他當做m_map.insert的第二個參數02/08 12:11

7^F→shadow0326:應該說是m_map.insert裡的pair的第二個參數02/08 12:11

9^F→shadow0326:吃完飯回來發現我上面推的方法很鳥, 請無視, 可以用02/08 14:00

10^F→shadow0326:m_map[1].insert(map<int,int>::value_type(2,3));02/08 14:01

14^F推shadow0326:樓上寫得那個和原po寫的完全等價，所以也錯一樣的地方02/08 22:59

15^F→shadow0326:你們insert的物件類型是對的，但是建構式的第二個參數02/08 23:00

16^F→shadow0326:都是錯的. pair<int,map<int,int>> 的建構式的第二個02/08 23:00

17^F→shadow0326:參數是map<int,int> 而 pair<int,int>(2,3) 只會產生02/08 23:01

18^F→shadow0326:一個 pair, 不會產生一個 map02/08 23:01

25^F→shadow0326:沒辦法在一個statement內做完, 至少我不會 XD02/10 11:34

26^F→shadow0326:因為map沒有ctor可以在建構同時只放入一個指定pair02/10 11:35

27^F→shadow0326:除非用copy ctor或iter ctor, 那就不是一次做完啦02/10 11:36

28^F→shadow0326:key已經存在的話, insert do nothing, [] copy assign02/10 11:38

[問題] 記憶體的釋放

[ C_and_CPP ]12 留言, 推噓總分: +4

作者: kuanguan - 發表於 2012/02/08 10:36(14年前)

10^F推shadow0326:因為mem leak checker會靠夭, 所以要加 (一點點誤02/09 13:50

[問題] About Socket Programing

[ C_and_CPP ]14 留言, 推噓總分: +2

作者: cpyi - 發表於 2012/02/05 13:41(14年前)

12^F→shadow0326:就多包幾層囉, IPv4for win/linux, IPv6 for win/linux02/06 10:20

13^F→shadow0326:甚至還有SSL又可以再拉一個介面出來02/06 10:21

[問題] 又來問一題我寫的程式了....

[ C_and_CPP ]34 留言, 推噓總分: +8

作者: povertytrap - 發表於 2012/02/04 21:05(14年前)

8^F→shadow0326:好可愛的方法02/04 21:15

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