作者查詢 / johnhmj
作者 johnhmj 在 PTT [ C_and_CPP ] 看板的留言(推文), 共533則
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25F→:請記得在主程式 int *ptr = NULL 要加初值~12/31 01:22
11F→:其實程式碼寫得再短,該配置的變數電腦還是會去做配置…12/29 18:51
12F→:執行速度不會因為程式碼越短而變得比較快~12/29 18:52
1F→:CreateWindow只要呼叫一次就好了呀~ =_=|||12/28 20:57
2F→:利用 ShowWindow 顯示視窗~12/28 20:58
3F→:GetMessage 跑迴圈收訊息~12/28 20:59
4F→:編譯軟體可以產生視窗程式碼,請參考那個就可以了。12/28 21:02
5F→:RegisterClass 告知作業系統有這個視窗的存在~12/28 21:07
6F→:CreateWindow 是視窗本身的部分~12/28 21:07
7F→:所以還要再設定一次 name~12/28 21:08
9F推:用結構或是類別封裝陣列的指標與陣列的長度…12/26 23:30
10F→:再把結構或是類別傳入函式內。12/26 23:31
11F→:struct ARR{ double* p; size_t size; };12/26 23:32
12F→:或是 class CArr{ double* p; size_t size; };12/26 23:33
13F→:函式:double max(ARR ar); 或是 double max(CArr ar);12/26 23:35
14F→:變更內容:double max(ARR& ar);與 double max(CArr& ar);12/26 23:41
1F→:與主函式的cpp檔放在同一個專案… =_=|||12/23 19:57
2F→:假如自定義的標頭檔是abc.h…12/23 19:59
5F→:就在主函式cpp加個#include"abc.h"12/23 20:01
6F→:假如連結出問題的話,先試試重開編譯器或重開專案…12/23 20:02
7F→:前提是你要確認你的函式定義有符合實作cpp內的函式。12/23 20:05
11F→:可能是abc.h的實作有cout或cin這些定義在iostream的函式吧12/23 20:10
12F→:抱歉,cout與cin是串流輸出入…不是函式 =_=|||12/23 20:13
9F→:跟「助學貸款」一樣嘛~有借就要有還 =_=|||12/23 19:43
4F→:個位整數值0~9+字元'0'=字元型態的0~912/22 20:16
5F→:itoa函式也可以拿來用~@@|||12/22 20:18
2F→:rev(89)的結果是17而不是98…12/21 20:23
3F→:number整數位數=(int)log10(number)+112/21 20:25
4F→:(int)log10(89)+1=2,2就是兩位數。12/21 20:26
5F→:試看看把rev的do-while改成for迴圈…12/21 20:28
6F→:for(int i=0; i < 整數位數; i++)逐一取出每一位數再計算12/21 20:30
7F→:log10標頭檔:math.h12/21 20:48
8F→:…數值加到最後還是爆掉了。= =|||12/21 21:06
15F→:惡搞?直接跑去當駭客寫木馬應該比較快吧?!12/20 21:14
36F→:重開機與關機在NT系統上須注意管理員權限。12/21 21:09
18F→:你的 c->pre 可能沒有產生實體或是實體不存在~12/20 21:00
19F→:也有可能是 c.cells.size() = 0 … =_=|||12/20 21:10