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作者 clanguage 在 PTT [ C_and_CPP ] 看板的留言(推文), 共229則
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3F推:線索也太少了吧03/09 23:49
6F→:我猜是測試用的03/09 23:51
51F推:f大那篇連結寫的不錯阿.03/10 23:43
52F→:用在 macro 時的確很有道理03/10 23:43
8F推:都是很正常的用法 你已經會用了03/08 10:48
9F→:1. 一直呼叫 foo 就會記憶體一直配置又沒free03/08 10:50
10F→:回圈跑很大大概就死了 因為沒記憶體03/08 10:50
11F→:2.也是一樣, 不過我當初看 realloc 這個 function時03/08 10:51
12F→:似乎有一些歷史因素影響 最好不要用03/08 10:51
13F→:好像是不見得會配置到更大的記憶體 忘了03/08 10:52
14F→:保險一點先看是否已經配置過 先free 再malloc03/08 10:52
10F→:感謝02/27 19:59
7F→:現在大概只有bios跟寫DSP的人比較會用到asm了02/17 20:41
2F→:沒注意到是用同一個函式阿 XD 感謝樓上大大02/11 16:21
21F推:參考一下 cvcamSelectCamera cvCreateCameraCapture02/09 23:11
22F→:順便問你一下你的 opencv 是哪一版的?02/09 23:12
3F→:你有裝影像擷取卡, 或是其他裝置 那你就不能用預設port02/04 22:11
4F→:不然你檢查 capture 或是 frame 應該有一個是 NULL02/04 22:11
3F→:謝啦 只是我在想如果有內建函式 應該比創新圖要快速02/04 21:23
4F→:因為要處理的東西很多 怕會慢下來 謝謝02/04 21:24
8F推:樓上的網路方面的函數QT也有, 原po不如不要用VC01/29 21:55
9F→:你乾脆用QT提供的IDE好了, QT creator01/29 21:55
3F推:應該是 wchar_t 這一類的吧, 一個字元2bytes01/29 11:29