作者查詢 / giacch
作者 giacch 在 PTT [ Perl ] 看板的留言(推文), 共72則
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1F→:是這個意思吧...06/05 20:50
4F推:因為是 while (<>) { 對每一行做什麼動作; }06/04 14:22
1F推:@myh=(%h); push(@myh, %h); 好像可以用...05/26 23:59
3F推:我弄錯題目了... XD05/27 21:02
2F→:不用客氣 ~ 寫程式很好玩05/26 18:38
1F推:eq 是字串相等耶... 沒有data跟list的範例嗎..?05/21 23:01
2F→:@line=split(/\s+/,$all[$i]);05/22 01:19
3F→:我之前懷疑的方向錯了...05/22 01:19
11F推:&norm($maxvec) > &norm($_) and $maxvec=$_ for @vecs;05/13 04:53
12F推:好怪... 這是求最大值還是最小值呀..?05/13 05:19
13F推:最大值 $maxvec=(sort {&norm($b)<=>&norm($a)} @vecs)[0];05/13 05:23
17F推:我用65536個亂數去試, 是11樓比較快耶... 記得改成小於...05/13 21:04
20F推:sort的時間會隨著陣列的大小而有明顯的差異唷...05/13 23:22
2F→:就 if 後置的寫法... if上面那行末沒有 ; 號, 是同一行...03/22 20:23
2F推:open(READ, 'b.txt'); chomp(@TMP=<READ>); close(READ);03/21 04:37
3F→:foreach(@TMP) { $b{$1}=$_ if(/^(...)/); }03/21 04:37
4F→:open(READ, 'a.txt'); chomp(@TMP=<READ>); close(READ);03/21 04:37
5F→:foreach(@TMP) { print $_.' '.$b{$1}."\n" if(/^(...)/);03/21 04:37
6F→:這樣可以跑範例...03/21 04:38
1F→:會不會是網頁編碼的問題..?02/26 15:53
2F推: //s Treat string as single line.02/26 03:10