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作者 wulouise 在 PTT [ C_and_CPP ] 看板的留言(推文), 共173則
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[問題] template funtion/class in dll
[ C_and_CPP ]34 留言, 推噓總分: +2
作者: Keitaro - 發表於 2025/04/09 14:46(2月前)
16Fwulouise: header only lib怎麼會有dll?dll裡面只有translation un04/10 21:39
17Fwulouise: it吧,難道我那邊理解錯誤04/10 21:39
[問題] 1.0 * -1.0 = 1.0?
[ C_and_CPP ]12 留言, 推噓總分: +5
作者: handofn0xus - 發表於 2025/04/02 07:06(2月前)
5Fwulouise: 你是倒數4 * 3 =倒數1吧...04/02 22:35
6Fwulouise: 然後你用改過的變數再算一次乘法印出來不是很奇怪04/02 22:36
11Fwulouise: 再次強調,不要在debug log運算04/05 21:43
[問題] 為什麼static 的變數不會被初始化
[ C_and_CPP ]20 留言, 推噓總分: +5
作者: liu2007 - 發表於 2025/03/25 14:11(2月前)
17Fwulouise: 不能理解你的問題,初始化完他就是nullptr, 然後qt有sma03/27 00:49
18Fwulouise: rt pointer所以本來就不會leak吧03/27 00:49
19Fwulouise: 問題是你改成static ptr誰要負責幫你new?沒有data race?03/27 00:50
20Fwulouise: 你的if 裡面要做什麼,這個function要做什麼描述一下03/27 00:51
[問題] visual studio舊專案引用新傳案編譯錯誤已刪文
[ C_and_CPP ]4 留言, 推噓總分: +2
作者: sohumi - 發表於 2025/03/02 06:19(3月前)
6Fwulouise: 你確定新的專案用的是同一個cpp std?03/04 01:42
[討論] 網路新聞分享
[ C_and_CPP ]46 留言, 推噓總分: +11
作者: freexq - 發表於 2024/11/20 11:28(7月前)
46Fwulouise: 現實就是重寫不合效益,單寫mmodule rust效果差很多02/15 19:04
21Fwulouise: 這篇很久了吧 ....11/21 21:24
[問題] ofstream 總是寫成binary file
[ C_and_CPP ]14 留言, 推噓總分: +6
作者: evilkiss - 發表於 2024/11/05 11:03(7月前)
14Fwulouise: 喔我看懂了,你需要`+data[i]`, +會幫你promote type01/08 22:00
10Fwulouise: 不懂你想印的text到底是hex representation還是真hex11/07 19:08
11Fwulouise: 沒有有編輯器把newline當換行的同時還能讀\x01成"01"11/07 19:09
Re: [問題] 想問有關wxWidgets的問題...
[ C_and_CPP ]7 留言, 推噓總分: +2
作者: closer76 - 發表於 2024/08/28 09:40(9月前)
5Fwulouise: #pragma interface不是寫在header?09/01 14:07
Re: [問題] 想問有關wxWidgets的問題...
[ C_and_CPP ]16 留言, 推噓總分: +5
作者: easterday - 發表於 2024/08/25 14:24(9月前)
14Fwulouise: 原PO你學會怎麼用搜尋引擎,花錢找家教比較快08/27 12:24
[問題] 大檔案讀寫效能改進方法
[ C_and_CPP ]39 留言, 推噓總分: +16
作者: jacky1989 - 發表於 2024/07/13 05:40(11月前)
2Fwulouise: 我覺得先改格式吧,如果多次對同一個檔案seek,不如拆開07/13 17:06
3Fwulouise: 你可以用C寫但是瓶頸可能是io bound07/13 17:07
4Fwulouise: 比方先對大檔案做index或分拆,下次少搜少寫趕快07/13 17:08
5Fwulouise: 你可以試試看光cp要多久07/13 17:10
[問題] C++ 變數無法正常創建
[ C_and_CPP ]37 留言, 推噓總分: +7
作者: handofn0xus - 發表於 2024/07/10 08:52(11月前)
27Fwulouise: 這個變數會被optimized out的吧..只有loop內用07/11 22:34
28Fwulouise: 不能watch很正常,要看的是實際上那邊crash07/11 22:35