作者查詢 / LPH66
作者 LPH66 在 PTT [ C_and_CPP ] 看板的留言(推文), 共6694則
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2F推:1. 的確如此 2. 正確01/21 15:37
3F→:3. cout << (void*)ptr;01/21 15:38
4F→:一樓印的是 ptr 所在位址而非指向位址01/21 15:38
1F推:對 function 印象中是沒差的...01/20 23:54
1F推:這 C 和 R 到底是....?01/20 12:34
5F→:我猜是將 sp 移開做出 local variable 空間的程式...01/20 06:53
6F→:(喔我是說 0x16C 和 0x17C 的差別)01/20 06:53
7F→:(記得好像 objdump 可以 dump 出 assembly 出來?)01/20 06:53
6F推:不要限死在一次讀一個 argv 上01/20 06:50
7F→:當 argv[i][0] == '-' 時判斷選項為何01/20 06:50
8F→:然後馬上處理 argv[i+1] (不要等到下一圈才做)01/20 06:51
9F→:然後處理完後把這個參數跳掉 (i++;)01/20 06:51
1F推:把 School 的宣告放在 Student 前面?01/19 22:09
19F推:scanf 看到空白會做的事是吃掉連續的 whitespace01/16 02:11
20F→:但吃掉連續意味著他要看到不是 whitespace 的字才會停01/16 02:12
21F→:所以你就得輸入下一個數(它必然不是個 whitespace)來終止它01/16 02:12
22F→:另外也因為如此 空白可以吃掉 0 個 whitespace01/16 02:13
2F→:我個人倒是認為 Java 全部都是 call by value01/15 17:05
3F→:那些東西其實可以說是 "call by value (of the reference)"01/15 17:05
5F→:哎呀慢一步 XD01/15 17:06
1F推:我猜是 C 裡 enum 和 int 差不多 C++則是把它真的當enum看01/14 04:05
1F推:運算的東西一樣嗎? 把實際運算的矩陣自己丟一次試試看?01/14 03:38
2F→:另外要注意高斯消去法可能會有數值穩定性的問題01/14 03:39
5F推:我看過的做法是過程中適當的調換列使除數小一點01/14 03:50
6F→:這樣除出來的數字比較大比較不容易出現問題...01/14 03:50