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作者 jtmh 在 PTT [ Programming ] 看板的留言(推文), 共59則
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[問題] 函數結束時 區域變數會跟著清空嗎?
[ Programming ]11 留言, 推噓總分: +2
作者: tenfaces - 發表於 2009/04/19 23:41(16年前)
1Fjtmh:所謂區域變數清空是概念上的,程式實際執行時218.175.149.46 04/20 00:00
2Fjtmh:只是把 stack pointer 改掉而已,所以還是有218.175.149.46 04/20 00:02
3Fjtmh:可能可以存取到那個值,不過就跟你們老師說的218.175.149.46 04/20 00:03
4Fjtmh:一樣,那是依各編譯器實作而自訂的,你不能依218.175.149.46 04/20 00:03
5Fjtmh:賴這種 behavior, 否則程式何時要爆掉都不知218.175.149.46 04/20 00:04
6Fjtmh:道,像我加上最佳化之後,印出來的值就變成:218.175.149.46 04/20 00:05
7Fjtmh:134518108 134518098 (gcc v4.2.3)218.175.149.46 04/20 00:06
8Fjtmh:另外建議參考 C_and_CPP 版置底文 "C 語言新218.175.149.46 04/20 00:10
9Fjtmh:言新手十誡(增修一版)" 中的第六誡。218.175.149.46 04/20 00:11
[問題] 算子計算的優先順序!
[ Programming ]5 留言, 推噓總分: +1
作者: loteslogin - 發表於 2009/03/31 15:28(16年前)
5Fjtmh:既然會有疑問,為何還要這麼寫呢?218.175.157.233 03/31 21:53
[問題] curl command line的範例
[ Programming ]6 留言, 推噓總分: +1
作者: ffrr - 發表於 2009/02/22 09:23(17年前)
1Fjtmh:左側邊欄 Docs >> 點進去就有了,看一下 man218.175.146.44 02/22 09:37
2Fjtmh:page 或 manual.218.175.146.44 02/22 09:39
何謂IP堆疊
[ Programming ]15 留言, 推噓總分: +4
作者: leeyilung - 發表於 2008/07/19 03:55(17年前)
6Fjtmh:據我所知是源自於 OSI模型,它的組成便是一層218.175.155.127 07/19 12:06
7Fjtmh:一層疊上去的,所以才會叫 stack, 並不是亂取218.175.155.127 07/19 12:07
8Fjtmh:的,維基上有說明 http://tinyurl.com/4p9p27218.175.155.127 07/19 12:08
9Fjtmh:不過我們目前使用的是簡化過的 OSI模型,可以218.175.155.127 07/19 12:10
10Fjtmh:參考維基上 TCP 等協定的說明:218.175.155.127 07/19 12:12
11Fjtmh:http://tinyurl.com/6e4t9k218.175.155.127 07/19 12:12
[請益] 關於組語的隨機亂數
[ Programming ]4 留言, 推噓總分: +2
作者: topwing - 發表於 2008/06/01 20:11(17年前)
1Fjtmh:搜尋一下 Irvine32.inc 會有個 random... 的218.175.162.187 06/01 22:12
2Fjtmh:procedure 可用218.175.162.187 06/01 22:12
Re: [c的指標]一個簡單的小問題,有沒有比較好的解釋?
[ Programming ]5 留言, 推噓總分: +3
作者: wowtiger - 發表於 2008/06/01 15:54(17年前)
1Fjtmh:推,另補上 C FAQ 上相關的說明:218.175.148.121 06/01 16:28
2Fjtmh:http://c-faq.com/misc/swapnotemp.html218.175.148.121 06/01 16:28
Re: [c的指標]一個簡單的小問題,有沒有比較好的解釋?
[ Programming ]2 留言, 推噓總分: +1
作者: previewslave - 發表於 2008/06/01 14:51(17年前)
2Fjtmh:這個有可能造成 undefined behavior218.175.148.121 06/01 15:11
Re: [c的指標]一個簡單的小問題,有沒有比較好的解釋?
[ Programming ]5 留言, 推噓總分: +2
作者: IsfunHDS - 發表於 2008/06/01 14:16(17年前)
1Fjtmh:這個是 C++ 吧218.175.148.121 06/01 15:00
Re: 改成c++之後就出問題
[ Programming ]8 留言, 推噓總分: +4
作者: saxontai - 發表於 2008/05/11 02:49(17年前)
3Fjtmh:標準的把 C++ 當 C 用?218.175.154.189 05/11 08:41
[問題] C的long double
[ Programming ]9 留言, 推噓總分: +3
作者: dddd345tw - 發表於 2008/04/14 11:48(17年前)
5Fjtmh:因為底層的 MS C runtime 不支援 long double218.175.163.137 04/14 22:11
6Fjtmh:詳情請參考:http://tinyurl.com/5usus7218.175.163.137 04/14 22:13