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作者 uranusjr 在 PTT [ C_and_CPP ] 看板的留言(推文), 共1758則
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[問題] QListWidget的singal問題
[ C_and_CPP ]2 留言, 推噓總分: 0
作者: checkIO - 發表於 2017/03/10 16:29(9年前)
1Furanusjr: Event 被 radio button 吃掉了就不會 propagate 出來03/11 20:42
2Furanusjr: 你要聽 QRadioButton::clicked03/11 20:44
Re: [問題] ++ 與陣列的問題
[ C_and_CPP ]32 留言, 推噓總分: +10
作者: loveflames - 發表於 2017/03/08 21:28(9年前)
12Furanusjr: 有規範是好事啦, 除非要讓它 syntax error 不然就是個雷03/09 00:03
13Furanusjr: 有規則的雷總比沒規則的雷要好03/09 00:03
[問題] qt從mysql 讀取資料亂碼
[ C_and_CPP ]20 留言, 推噓總分: +2
作者: ppi3106 - 發表於 2017/03/02 00:57(9年前)
1Furanusjr: 要不要試著把你拿到的 bytes 直接印出來?這超難除錯的03/02 01:38
3Furanusjr: 之類的, 反正就是繞過 encoding 直接看 binary03/02 01:43
6Furanusjr: Hmm, 資料看起來是 UTF-8 沒錯, 所以問題在 Qt 轉字串時03/02 02:57
7Furanusjr: 用的編碼是錯的; 嘛簡單的解就是你手動 decode 就好...03/02 02:57
8Furanusjr: (我說的是你有設 codec 的狀況)03/02 02:59
9Furanusjr: 問一下, 你是在程式的哪個階段設 codec?03/02 03:00
[問題] const array 放function內會拖慢執行速度
[ C_and_CPP ]37 留言, 推噓總分: +11
作者: ofd168 - 發表於 2017/02/23 14:26(9年前)
24Furanusjr: 我覺得你只是單純踩到 VC++ 的 bug 了 XDDD02/26 23:26
25Furanusjr: http://wp.me/p1fTCO-D8 雖然是不同的狀況, 但這也是加02/26 23:27
26Furanusjr: 了 const 反而會讓 VC++ 做錯事的例子02/26 23:27
[問題] const 位於 函式前 與 參數後 的意思
[ C_and_CPP ]4 留言, 推噓總分: +1
作者: hunandy14 - 發表於 2017/02/23 00:48(9年前)
3Furanusjr: 是02/23 10:34
4Furanusjr: 你下面舉的 case 都正確, 不過 const T * != T * const02/23 12:45
[問題] qt的list容器可以作條件count嗎
[ C_and_CPP ]5 留言, 推噓總分: +1
作者: checkIO - 發表於 2017/02/22 11:00(9年前)
2Furanusjr: QList 有遵循 STL API http://d.pr/l1hO02/22 11:42
3Furanusjr: 啊輸給樓上了 XD02/22 11:42
[問題] Qt QListview+QCheckbox問題
[ C_and_CPP ]10 留言, 推噓總分: 0
作者: MOONY135 - 發表於 2017/02/20 16:22(9年前)
1Furanusjr: 動態是對的, 這件事 QListView 可以幫你做掉, 不用手動02/20 18:11
2Furanusjr: 大概長這樣 http://d.pr/vhxt02/20 19:02
5Furanusjr: 換 icon: QFileIconProvider 自己去查文件02/21 10:20
6Furanusjr: 隱藏副檔名: 改寫 subclass 的 data function02/21 10:21
7Furanusjr: 你需要從頭學一下 Qt 裡 model-view-delegate 的原理02/21 10:21
8Furanusjr: http://doc.qt.io/qt-5/modelview.html02/21 10:22
9Furanusjr: http://doc.qt.io/qt-5/model-view-programming.html02/21 10:22
[問題] C++11 for redhat4
[ C_and_CPP ]10 留言, 推噓總分: +1
作者: Blueshine - 發表於 2017/02/15 12:22(9年前)
2Furanusjr: GCC 和 libstdc++ 有授權例外, 靜態編譯不受 GPLv3 限制02/15 13:12
3Furanusjr: https://www.gnu.org/licenses/gcc-exception-faq.html02/15 13:13
[問題]使用 command line build code block專案
[ C_and_CPP ]9 留言, 推噓總分: +2
作者: jeff8397 - 發表於 2017/02/14 13:27(9年前)
6Furanusjr: 直接用絕對路徑不就好了02/15 13:10
Re: [問題] qwt編譯問題(qtcreator)
[ C_and_CPP ]13 留言, 推噓總分: +2
作者: MOONY135 - 發表於 2017/02/10 13:35(9年前)
8Furanusjr: 我都直接編兩個, Qt 本體也是這樣啊, 例如 QtCore 就有02/10 21:17
9Furanusjr: QtCored.dll 和 QtCore.dll02/10 21:17
10Furanusjr: 然後你那個錯誤就是字面上的問題, 真正的原因應該是你程02/10 21:18
11Furanusjr: 式有錯, 可能要找一下到底是哪裡觸發這個 error02/10 21:18