tag:blogger.com,1999:blog-46433076133819188442012-02-16T10:30:13.543-08:00俊緯http://www.blogger.com/profile/08798773938573625253noreply@blogger.comBlogger21100tag:blogger.com,1999:blog-4643307613381918844.post-39370900447858719682010-01-19T20:16:00.000-08:002010-01-19T20:54:37.030-08:00今天早上學習了一下 C++ 對於 virtual function 是怎麼做的, 就寫了一個小程式來驗證一下, 果然如預期的, 程式如下:<br /><br />#include <iostream.h><br /><br />typedef void (*pfn_t) (void *);<br /><br />class CObject<br />{<br /> char *m_pszStr;<br /><br /> virtual void vfunc()<br /> {<br /> m_pszStr = "Slash is the BEST!\n";<br /> cout << m_pszStr;<br /> }<br />};<br /><br />main()<br />{<br /> CObject a;<br /> pfn_t **p;<br /><br /> p = (pfn_t **) & a;<br /> (**p) (&a);<br />}<br /><br />執行結果:<br /><br />[slash@slash ~]$ g++ -Wno-deprecated a.cpp<br />[slash@slash ~]$ ./a.out<br />Slash is the BEST!<br />[slash@slash ~]$<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4643307613381918844-3937090044785871968?l=strokesgame.blogspot.com' alt='' /></div>俊緯http://www.blogger.com/profile/08798773938573625253noreply@blogger.com0tag:blogger.com,1999:blog-4643307613381918844.post-77690301685728484512008-11-04T22:07:00.000-08:002010-10-05T01:18:14.224-07:00<font color="#FF00FF">News: 10-Nov-2k5: 算筆畫函式 bug fixed! </font><br />[2008/08/03]<br />由於許多人對此測驗的結果太過認真, 因此作者決定將此網頁關閉.<br />[2008/09/13]<br />由於許多人要求開放, 作者折衷刪除了總評的部份, 再開放出來.<br /> <img src="http://freepics.addj.com/images/n5.gif"><br /> <b><a href="http://apps.facebook.com/strokesgame/">Facebook app 版</a></b><br /><br /><br /><br />請輸入您的姓名與對方的姓名:<br /> <form method="POST" action="http://mmc.shu.edu.tw/~slash/match1.php"><br /> 您的姓名:<br /> <input type="text" name="name1" size="20"><br /><br /> 配對者姓名:<br /> <input type="text" name="name2" size="20"><br /><br /> <input type="submit" value="送出" name="B1"> <!-- disabled="disabled"--> <input type="reset" value="重新設定" name="B2"><br /> </form><br /><br /> <h3><font color="#FF0000">註: 此程式純粹為好玩而寫，<i><u><b>請不要太過認真！</b></u></i><br> </font></h3><br /> 程式設計<span lang="en-us">: slash@ms32.url.com.tw</span><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4643307613381918844-7769030168572848451?l=strokesgame.blogspot.com' alt='' /></div>俊緯http://www.blogger.com/profile/08798773938573625253noreply@blogger.com3