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作者 tyf99 在 PTT [ PHP ] 看板的留言(推文), 共216則
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15F→:如果只是要搞定工作,自己不想練功,可以考慮 phpmailer12/23 13:20
4F→:裝linux,你可以從makefile開始設定..12/18 00:34
1F→:改 pattern,<tag> 內部 attr 不處理12/17 23:24
13F→:比較好的NAS(像群暉)有內建踹密碼封IP的功能..12/13 08:12
14F→:但沒保護到自己架的網站登入,都要另加captcha12/13 08:14
1F→:Make change on CodeIgniter config file12/02 20:53
1F→:windows 有 0777 這種權限?12/02 20:51
3F→:除了500封限制,若大量被退信(收件人無效),也會被凍結24hr11/29 22:07
3F→:sequential search 是最沒效率的東西11/23 22:22
4F→:善用 hash filename,把原始檔案分成多個小檔去找11/23 22:23
6F→:簡單說就是把 array key/index 分群組11/28 23:56
7F→:這些 key/index 經由 hash 運算後變成檔名(避免重複)11/28 23:57
8F→:要搜尋時,針對要找的群組算 hash,就知道落在那個小檔裡11/28 23:58
9F→:群組越多,每個檔案就越小,找起來越快11/28 23:59
10F→:當然也不能分出太多檔案,硬碟會有I/O上的問題11/29 00:02
3F→:sql 弄個 index,效能會快非常多,我親身體驗,快幾百倍有吧11/06 18:03
9F→:作時間切割或是分散式運算10/12 22:27