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作者 Killercat 在 PTT [ C_and_CPP ] 看板的留言(推文), 共2565則
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17F→:cout<<y<<","<<y++<<","<<++y<<endl; ...南無(合掌)03/21 15:20
5F推:推薦爬說語 XD03/21 00:42
3F推:在32bit系統下,4byte以下的資料兩者效能是一樣的03/16 18:30
4F→:因為reference = pointer, 32-bit系統下是4bytes03/16 18:30
5F→:所以基本上pass pointer的話,傳ref不但沒意義,而且..03/16 18:31
6F→:我不覺得&*很好閱讀 -_- 況且有時還有const問題03/16 18:31
7F→:說錯 4byte下兩者一樣, 4bytes以下ref還會慢一點03/16 18:32
8F→:當然4bytes以下的資料非常少見就是03/16 18:32
7F推:在32bit系統下,4byte以下的資料兩者效能是一樣的03/16 18:30
8F→:因為reference = pointer, 32-bit系統下是4bytes03/16 18:30
9F→:所以基本上pass pointer的話,傳ref不但沒意義,而且..03/16 18:31
10F→:我不覺得&*很好閱讀 -_- 況且有時還有const問題03/16 18:31
11F→:說錯 4byte下兩者一樣, 4bytes以下ref還會慢一點03/16 18:32
12F→:當然4bytes以下的資料非常少見就是03/16 18:32
10F推:..不是cstring 是<string>03/16 16:55
8F推:還有一種做法 值接繼承CButton 自己寫OnClicked03/07 15:07
10F推:這點是少數幾個C#比較方便的地方,可以直接在class/stru03/03 08:02
11F→:裡面設定初值,如private int b = 0; 而不用大費周章跑03/03 08:02
12F→:到ctor去設,更不像C99有static const只能設在int的限制03/03 08:03
13F→:c++0x這些真的也許應該參考一下:/03/03 08:03
5F推:XDDDD推一下03/02 02:19
2F→:不要include .cpp檔,這是大忌,你問題就是這樣來的03/01 01:20
3F→:而且你.cpp一定沒有#pragma once或者其他防二次inc措施03/01 01:20
4F→:宣告寫在.h 定義寫在.cpp include的時候inc h03/01 01:21
5F→:然後記得#pragma once在.h開頭 掌握這幾個原則03/01 01:22
6F→:基本上就不會有太大問題03/01 01:22
6F推:學有專精,不用懂他設計跟source,懂用就好了02/11 13:09
7F→:就好像大多數工程師也沒必要去懂編譯器阿 ELF格式阿...02/11 13:09