作者查詢 / uranusjr
作者 uranusjr 在 PTT [ C_and_CPP ] 看板的留言(推文), 共1758則
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1F→: 自帶的 Qt Creator 本身是用 32-bit 的 toolchain 編譯01/03 16:20
2F→: 但你安裝的 toolchain 是 64-bit 版本, 編出來也會是 6401/03 16:20
3F→: 官方安裝包的 Qt Creator 和 toolchain 其實是完全獨立01/03 16:21
4F→: Toolchain 資訊在設定的 Build & Run -> Qt Versions01/03 16:23
3F→: https://xkcd.com/221/12/28 12:23
19F→: 要用 this 不是不行, 但為什麼不用 -> 呢...12/19 19:04
8F→: 反過來說如果你之後想讓 wxEvtHandler 被多個 threads12/17 21:43
9F→: 使用, 這個寫法會造成 race condition, 不是完全無害...12/17 21:44
10F→: 如果你一定要二選一, Qt 現在應該是壓倒勝12/16 15:30
5F→: int i,j; for(i=1;i<2;i++)for(j=2;j<3;j++) printf(12/15 14:08
6F→: " **\n ****\n******\n");12/15 14:08
2F→: 「多用 reference」正確,「只用 reference」肯定不對12/14 17:31
9F→: 如果寫非常嚴格的 old-style C 那麼 single exit 可能有12/14 17:09
10F→: 好處, 因為常常需要 cleanup, 退出點太多容易出 bug12/14 17:10
11F→: 只有在 C++ 裡可以說這是 non-issue (因為有 RAII 模式)12/14 17:11
12F→: 當然在 C 裡通常還是可以包成 function 來解12/14 17:13
6F→: ? : 中間的東西會自動成為一組, 所以只有在 ret 為真時11/28 06:03
7F→: 才會發生 assignment, 其他就和你理解的一樣11/28 06:03
8F→: if (ret) { *x = ret; return 0; } else { return 1; }11/28 06:04
9F→: Daemon 翻譯成小惡魔是錯譯, 一般沒有善惡分別11/25 13:44