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作者 VictorTom 在 PTT [ C_and_CPP ] 看板的留言(推文), 共10783則
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Re: [語法] 輸入與條件不符警示
[ C_and_CPP ]3 留言, 推噓總分: +3
作者: tinlans - 發表於 2010/04/23 06:01(16年前)
2FVictorTom:推t大:)04/23 10:18
[問題] 呼叫另一個檔案裡的函數
[ C_and_CPP ]19 留言, 推噓總分: +5
作者: howar31 - 發表於 2010/04/22 21:24(16年前)
12FVictorTom:跟在什麼目錄沒關係, 跟你有沒有把兩個obj file link起04/23 10:49
13FVictorTom:來有關; 用VC的話, 預設把那幾個.c/.cpp一起拉進同一個04/23 10:50
14FVictorTom:proj就會幫你link的樣子, DevC++也是用proj可以做到這點04/23 10:50
15FVictorTom:不然就是要手動自己寫makefile, 自己下參數build04/23 10:51
16FVictorTom:(compile + link等) ....@_@"04/23 10:51
18FVictorTom:那就是makefile可能要寫一下, 還是link指令要自己下啊??04/25 16:57
19FVictorTom:這邊比較不熟....orz04/25 16:57
[問題] VC 如何追蹤某一個變數
[ C_and_CPP ]2 留言, 推噓總分: +1
作者: clanguage - 發表於 2010/04/22 19:36(16年前)
1FVictorTom:BreakPoint window裡, New->New Data Break, 玩玩看吧:)04/22 20:03
Re: [問題] cuda race condition
[ C_and_CPP ]22 留言, 推噓總分: +8
作者: littleshan - 發表於 2010/04/22 12:52(16年前)
1FVictorTom:推l大:)04/22 13:05
5FVictorTom:void func裡也可以return啊, 代表func執行到return就不04/22 13:14
6FVictorTom:執行下去結束了啊, return不是非回傳值不可的@_@"04/22 13:14
19FVictorTom:l大別這麼說嘛, 這篇文很有幫助啊, 不然幫atomicAdd加04/23 11:53
20FVictorTom:個警訊好了XD04/23 11:53
[問題] dll 的 heap memory 上限
[ C_and_CPP ]15 留言, 推噓總分: +2
作者: gozha - 發表於 2010/04/21 17:26(16年前)
3FVictorTom:用malloc或new的回傳值check是不是NULL沒辦法檢查出04/21 18:39
4FVictorTom:動態配置失敗的狀況嗎?? 記得應該是可以吧??04/21 18:40
5FVictorTom:check回來的結果是不是NULL應該就能知道配成功了沒@_@"04/21 18:40
6FVictorTom:另外, 你的memory space還要考慮process本身的usage,04/21 18:41
7FVictorTom:2G的Virtual memory address space應該是整個process04/21 18:42
8FVictorTom:在算, 而不是單看一個.dll的....@_@"04/21 18:42
[問題] 在不同function存取array
[ C_and_CPP ]9 留言, 推噓總分: +3
作者: shuming1008 - 發表於 2010/04/21 15:01(16年前)
6FVictorTom:用動態配置的array, 然後把pointer pass/return給funB用04/21 15:11
7FVictorTom:不就行了?? 不然func local會有問題, 惡搞用static var04/21 15:12
8FVictorTom:試試, 不過這樣的話不如就直接擺global啦....@_@"04/21 15:12
Re: [問題] delete 不即時?
[ C_and_CPP ]21 留言, 推噓總分: +3
作者: operationcow - 發表於 2010/04/21 06:30(16年前)
1FVictorTom:怪怪的, new與delete應該作用於你process的virtual04/21 09:28
2FVictorTom:memory space; 至於會不會持續佔用physical memory, 這04/21 09:29
3FVictorTom:是OS的memory management的行為....@_@"04/21 09:30
4FVictorTom:剛才發現原文的a大其實已經提過這一點了....Orz04/21 09:31
5FVictorTom:原文 推文的 a大, 補字....囧rz04/21 09:31
12FVictorTom:現在有點搞不清楚你要釋放Vir Addr Sp還是Phy Mem了說??04/21 11:59
13FVictorTom:但是, 如果你要做你說的去pack, 一個是memcopy的額外負04/21 11:59
14FVictorTom:擔會很重, 另一個是你需要再implement一個remap table,04/21 12:00
15FVictorTom:才能重新map AP端的Vir Addr到你搬移好的Vir Addr去吧??04/21 12:00
16FVictorTom:感覺這麼做, overhead太大, gain不到實質好處說@_@"04/21 12:01
20FVictorTom:對不起, t大說的是對的, 只知道起點根本沒有用, 變數存04/21 12:36
21FVictorTom:的是位址還是值根本無法判定, 所以根本不可能追蹤Orz04/21 12:36
[心得] mb_strlen & mb_substr for c++
[ C_and_CPP ]5 留言, 推噓總分: +2
作者: dotwii - 發表於 2010/04/21 04:11(16年前)
5FVictorTom:bug5, 樓上l大是故意的對不對XD04/21 11:57
[問題] 字串拷貝時為何不能直接 s1 = s2
[ C_and_CPP ]9 留言, 推噓總分: +3
作者: lolicity - 發表於 2010/04/21 01:43(16年前)
2FVictorTom:因為你會讀寫到一模一樣的記憶體位址, 如果你要的是兩份04/21 01:47
3FVictorTom:各自的copy, 只copy位址的讀寫會改到同一份, 而不會有兩04/21 01:47
4FVictorTom:份獨立的copy....04/21 01:47
5FVictorTom:喵的~~j大你要不要這麼快....XD04/21 01:48
7FVictorTom:幸好小弟我沒有衝動回文寫個簡圖來騙P幣....XDDD04/21 01:51
Re: [問題] main的傳入值argv的問題..
[ C_and_CPP ]6 留言, 推噓總分: +2
作者: pboywc - 發表於 2010/04/21 00:50(16年前)
1FVictorTom:怪怪的, 你貼的code就應該要能印出你想要的樣子ㄟ@_@"04/21 00:54