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Firefoxã®ãƒ¡ãƒ¢ãƒªé£Ÿã„ã‚’å°é£Ÿã«ã™ã‚‹ (ã†ã‚€ã‚‰ã†ã™)
Firefoxã®ãƒ¡ãƒ¢ãƒªå¤§é£Ÿã„ã‚°ã‚»ã¯ã€ã‚¢ãƒ‰ã‚ªãƒ³ãŒå……å®Ÿã—ã¦ã„ã‚‹Firefoxã«ã¨ã£ã¦ã€ ã€Œã“ã‚Œã•ãˆãªã‘ã‚Œã°ãƒ»ãƒ»ãƒ»ã€ã®æœ€ãŸã‚‹ã‚‚ã®ã ã£ãŸã€‚ ã—ã‹ã—ç§ã¯æ˜¨æ—¥ã€ã‚ˆã†ã‚„ããƒžãƒˆãƒ¢ã«åŠ¹ãå¯¾å‡¦æ³•ã‚’ç™ºè¦‹ã—ãŸã®ã ã£ãŸã€‚ â†’ãƒ¡ãƒ¢ãƒªæ¶ˆè²» - Mozilla Firefox ã¾ã¨ã‚ã‚µã‚¤ãƒˆ ãƒ»ãƒ»ãƒ»ãªã‚“ã‹ã™ã”ã„æ™®é€šã«æœ¬å®¶ã®ã¾ã¨ã‚ã‚µã‚¤ãƒˆãªã‚“ã§ã™ãŒã€ ãªã‚“ã§ä»Šã¾ã§è©¦ã—ã¦ãªã‹ã£ãŸã‚“ã ã‚ã†ã€‚ ã‚ãŸã‹ã‚‚æ˜¨æ—¥çªå¦‚ã¨ã—ã¦ã‚µã‚¤ãƒˆãŒç¾ã‚ŒãŸã‹ã®ã‚ˆã†ã ãƒ»ãƒ»ãƒ»ä¸æ€è°ã™ãŽã‚‹ãƒ»ãƒ»ãƒ» ã™ã¿ã¾ã›ã‚“æŽ¢ã—æ–¹ãŒæ‚ªã‹ã£ãŸã§ã™ m(_*_)m ã§ã€ä»¥ä¸‹ã‚„ã‚Šæ–¹ã€‚ ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ«ãƒ•ã‚©ãƒ«ãƒ€ã® user.js ã«ä»¥ä¸‹ã‚’è¨˜å…¥ // 1.ãƒ¡ãƒ¢ãƒªã‚ãƒ£ãƒƒã‚·ãƒ¥ã®é‡ã‚’æŒ‡å®šï¼ˆå˜ä½ã¯KB - ä¾‹: 16384/32768/65536ãªã©ï¼‰ user_pref("browser.cache.memory.capacity", 16384); // 2.ã‚¦ã‚£ãƒ³ãƒ‰ã‚¦æœ€å°åŒ–æ™‚ã«ãƒ¡ãƒ¢ãƒªä½¿ç”¨é‡
satojkovic 2009/07/31
firefox

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ã¨ã‚Šã‚ãˆãšå‹•ããƒ—ãƒã‚°ãƒ©ãƒ ã‚’æ›¸ã ã“ã“ã§ã¯ä¾‹ã¨ã—ã¦ã€Fooã¨ã„ã†æ§‹é€ ä½“ã®ï¼’æ¬¡å…ƒé…åˆ—ã‚’ã€å¼•æ•°ã§æŒ‡å®šã•ã‚ŒãŸå¹…ã¨é«˜ã•ã§ä½œã‚‹ã€createFooMatrixã¨ã„ã†é–¢æ•°ã‚’ä½œã£ã¦ã¿ã¾ã™ã€‚ ãªãŠã€é…åˆ—ã®å„è¦ç´ ã‚’ã€initializeFooé–¢æ•°ã§åˆæœŸåŒ–ã—ã¦ã„ã¾ã™ã€‚ Foo **createFooMatrix ( int width, int height ) { Foo **ptr = NULL; int w, h; ptr = (Foo **)malloc(height * sizeof(Foo *)); for (h = 0 ; h < height ; h++) { ptr[h] = (Foo *)malloc(width * sizeof(Foo)); for (w = 0 ; w < width ; w++) { initializeFoo(&ptr[h][w]); } } return ptr;
satojkovic 2009/03/04
programming

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ãƒ¡ãƒ¢ãƒªç®¡ç†ã®ãŠå‹‰å¼· - æ›¸ãã¨ã‚ã¦ãŠããŸã„ã“ã¨ãŸã¡
HEAPé ˜åŸŸã¨STACKé ˜åŸŸã®é–“ã®æœªä½¿ç”¨é ˜åŸŸã¯ã€ä¸‹è¨˜ã®é ˜åŸŸã«ä½¿ã‚ã‚Œã‚‹ å…±æœ‰ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®ãƒãƒ¼ãƒ‰é ˜åŸŸ ãƒ¡ãƒ¢ãƒªãƒ»ãƒžãƒƒãƒ—ãƒˆãƒ»ãƒ•ã‚¡ã‚¤ãƒ«ç”¨é ˜åŸŸ ãƒ—ãƒã‚»ã‚¹é–“å…±æœ‰ãƒ¡ãƒ¢ãƒªç”¨é ˜åŸŸ ãƒ¡ãƒ¢ãƒªãƒ»ãƒžãƒƒãƒ—ãƒˆãƒ»I/Oç”¨é ˜åŸŸ ãƒ¡ãƒ¢ãƒªãƒ»ãƒžãƒƒãƒ—ãƒˆã«ã‚ˆã‚‹è¿½åŠ HEAPé ˜åŸŸ å°ã•ãªã‚µã‚¤ã‚ºã‚’mallocã‚’ã—ãŸã¨ãã¯HEAPé ˜åŸŸã«ç¢ºä¿ã•ã‚Œã‚‹ãŒã€å¤§ããªã‚µã‚¤ã‚ºã®ãƒ¡ãƒ¢ãƒªã‚’mallocã—ãŸã¨ãã¯ãƒ¡ãƒ¢ãƒªãƒžãƒƒãƒ—é ˜åŸŸã«ç¢ºä¿ã•ã‚Œã‚‹(glibcã®å ´åˆ) ã™ã¹ã¦mmapã«ã™ã‚‹ã¨ãƒ¡ãƒ¢ãƒªã®ãƒ•ãƒ©ã‚°ãƒ¡ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ãŒãŠããªã„ãŒã€mmapã¯é‡ã„ã—ãƒšãƒ¼ã‚¸ã‚µã‚¤ã‚ºå˜ä½ã—ã‹æ‰±ãˆãªã„ã€‚ 32bitç’°å¢ƒã§ã¯è«–ç†ãƒ¡ãƒ¢ãƒªãŒ2^32=4GBã¾ã§ã—ã‹ç¢ºä¿ã§ããªã„ã€‚ã“ã®ã†ã¡OSãŒãƒ¡ãƒ¢ãƒªã®ä¸Šä½1or2GBã‚’ä½¿ã†ã®ã§ã€å®Ÿéš›ã«ã¯ã‚¢ãƒ—ãƒªã¯3or2GBã¾ã§ã—ã‹ãƒ¡ãƒ¢ãƒªã¯ä½¿ãˆãªã„ã€‚64bitç’°å¢ƒã«ãªã‚‹ã¨ã€ã‚‚ã£ã¨ä½¿ãˆã‚‹ã‚ˆã†ã«ãªã‚‹ã€‚ HEAPé ˜åŸŸã¯ä¸‹ã«ï¼ˆä¸Šä½ã‚¢ãƒ‰ãƒ¬ã‚¹æ–¹å‘ï¼‰ã€STACKé ˜åŸŸã¯ä¸Šã«ï¼ˆä¸‹ä½ã‚¢ãƒ‰ãƒ¬ã‚¹
satojkovic 2009/02/01
ãƒ¡ãƒ¢ãƒªç®¡ç†

programming
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Cè¨€èªžã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§ãƒ¡ãƒ¢ãƒªã®ä½¿ç”¨æ–¹æ³•ã«ã¤ã„ã¦è³ªå•ã§ã™ã€‚ - mallocã§å–å¾—ã—ãŸãƒ¡ãƒ¢ãƒªé ˜åŸŸã‚’freeã§è§£æ”¾ã™ã‚‹éš›ã«ã€ä¸€éƒ¨ã®... - Yahoo!çŸ¥æµè¢‹
Cè¨€èªžã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§ãƒ¡ãƒ¢ãƒªã®ä½¿ç”¨æ–¹æ³•ã«ã¤ã„ã¦è³ªå•ã§ã™ã€‚ mallocã§å–å¾—ã—ãŸãƒ¡ãƒ¢ãƒªé ˜åŸŸã‚’freeã§è§£æ”¾ã™ã‚‹éš›ã«ã€ä¸€éƒ¨ã®ã‚±ãƒ¼ã‚¹ã§2é‡ã«é–‹æ”¾ã—ã¦ã—ã¾ã„ã€‚ ã‚¨ãƒ©ãƒ¼ãŒç™ºç”Ÿã—ã¦ã—ã¾ã„ã¾ã™ã€‚ å®Ÿéš›ã€1ã¤ã®é–¢æ•°å†…ã§mallocã¨freeã‚’è¡Œã†å ´åˆã¯ã€å‡¦ç†ã®åˆ†å²ã§è€ƒãˆã‚Œã°å•é¡Œãªã„ã®ã§ã™ãŒã€ freeã™ã‚‹ã‚¿ã‚¤ãƒŸãƒ³ã‚°ãŒã€åˆ¥é–¢æ•°ã§ã‚ã£ãŸã‚Šã™ã‚‹å ´åˆã®è§£æ”¾ã®ã—ã‹ãŸãŒã‚ã‹ã‚Šã¾ã›ã‚“ã€‚ ãŸã¨ãˆã°ã€ 1.Aé–¢æ•°å†…ã§mallocã—ã€Bé–¢æ•°ã‚’å‘¼ã³å‡ºã™ã€‚ 2.Bé–¢æ•°å†…ã§ç‰¹å®šæ¡ä»¶ã®å ´åˆCé–¢æ•°ã‚’å‘¼ã³å‡ºã™ã€‚ 3.Cé–¢æ•°å†…ã§freeã—ã¦é ˜åŸŸã®è§£æ”¾ã‚’è¡Œã†ã€‚ ä¸Šè¨˜ã®ã‚ˆã†ãªå ´åˆã€Aé–¢æ•°ã®æœ€å¾Œã«ã‚‚freeå‡¦ç†ã‚’å…¥ã‚ŒãŸå ´åˆã€ ã‚‚ã—ã€Cé–¢æ•°ã§freeãŒè¡Œã‚ã‚Œã¦ã„ãŸå ´åˆã«2é‡é–‹æ”¾ãŒã•ã‚Œã¦ã—ã¾ã„ã¾ã™ã€‚ ã‚ã‚‹é ˜åŸŸãŒã€è§£æ”¾ã•ã‚Œã¦ã„ã‚‹ã‹ã©ã†ã‹ç¢ºèªã™ã‚‹æ–¹æ³•ãªã©ã¯ ã‚ã‚Šã¾ã™ã§ã—ã‚‡ã†ã‹ï¼Ÿï¼Ÿ ã¾ãŸã€ã†ã¾ãé ˜åŸŸã®è§£æ”¾ã‚’è¡Œã†æ–¹æ³•ã¯ã”ã–ã„ã¾ã™ã§ã—ã‚‡ã†ã‹ï¼Ÿ
satojkovic 2009/01/20
ãƒ¡ãƒ¢ãƒªç®¡ç†

malloc

programming
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ãƒ¡ãƒ¢ãƒªã®äºŒé‡è§£æ”¾å›žé¿ãƒ†ã‚¯ - akihikoâ€™s tech note
ãƒ¡ãƒ¢ãƒªã®äºŒé‡è§£æ”¾ã¨ã¯ï¼Œ new ãªã©ã§ç¢ºä¿ã—ãŸãƒ¡ãƒ¢ãƒªé ˜åŸŸï¼ˆãƒ’ãƒ¼ãƒ—é ˜åŸŸï¼‰ã‚’2å›ž delete ãªã©ã§è§£æ”¾ã™ã‚‹ã“ã¨ã‚’è¨€ã†ï¼Ž new ã¨ delete ã‚’ãã¡ã‚“ã¨å¯¾å¿œã•ã›ã¦æ›¸ã„ã¦ã„ãªã„ã¨ãã«èµ·ã“ã‚‹å•é¡Œã ï¼Žç‰¹ã«ã‚¯ãƒ©ã‚¹ã®ãƒ¡ãƒ³ãƒã«å‹•çš„ç¢ºä¿ã—ãŸãƒ¡ãƒ¢ãƒªã¸ã®ãƒã‚¤ãƒ³ã‚¿ã‚’å«ã‚€å ´åˆã«ã‚„ã£ã¦ã—ã¾ã„ãŒã¡ã§ã‚ã‚‹ï¼Žã“ã“ã§ã¯äºŒé‡è§£æ”¾ã«ã‚ˆã£ã¦ç™ºç”Ÿã™ã‚‹å•é¡Œã‚’è§£èª¬ã™ã‚‹ï¼Ž çµè«–ã‹ã‚‰è¨€ã†ã¨ï¼Œãƒ¡ãƒ¢ãƒªã‚’è§£æ”¾ã—ãŸå¾Œ (delete p1;)ï¼Œã»ã‹ã®ç”¨é€”ã§ãƒ¡ãƒ¢ãƒªã‚’ç¢ºä¿ã— (p2=new T;)ï¼ŒãŸã¾ãŸã¾ãã‚ŒãŒè§£æ”¾ã—ãŸãƒ¡ãƒ¢ãƒªã¨åŒã˜ã‚¢ãƒ‰ãƒ¬ã‚¹ã«å‰²ã‚Šå½“ã¦ã‚‰ã‚Œã¦ã—ã¾ã£ãŸå ´åˆ (p1==p2)ï¼Œæœ€åˆã®ãƒ¡ãƒ¢ãƒªã‚’äºŒé‡è§£æ”¾ã™ã‚‹ã¨ (delete p1;)ï¼Œæ–°ã—ãç¢ºä¿ã—ãŸãƒ¡ãƒ¢ãƒª (p2) ãŒè§£æ”¾ã•ã‚Œã¦ã—ã¾ã†ï¼Žã“ã®çµæžœï¼Œæ–°ã—ãç¢ºä¿ã—ãŸãƒ¡ãƒ¢ãƒªã«ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹ã¨å€¤ãŒæ›¸ãæ›ãˆã‚‰ã‚Œã¦ã„ãŸã‚Šï¼Œã‚»ã‚°ãƒ¡ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ãƒ•ã‚©ãƒ«ãƒˆãŒç™ºç”Ÿã™ã‚‹å ´åˆãŒã‚ã‚‹ï¼Žãƒ—ãƒã‚°ãƒ©ãƒžã¯ã¾ãšï¼Œæ–°ã—ãç¢ºä¿ã—ãŸãƒ¡
satojkovic 2009/01/14
ãƒ¡ãƒ¢ãƒªç®¡ç†

programming

c++
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VC++ ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã«ã¯ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã®æ¤œå‡ºæ©Ÿèƒ½ãŒã‚ã‚Šã¾ã™ã€‚é–¢æ•°ã²ã¨ã¤å‘¼ã‚“ã§ãŠãã ã‘ã§ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³çµ‚äº†æ™‚ã«ãƒ¡ãƒ¢ãƒªã®è§£æ”¾æ¼ã‚Œã‚’å‡ºåŠ›ã‚¦ã‚£ãƒ³ãƒ‰ã‚¦ã«è¡¨ç¤ºã—ã¦ãã‚Œã‚‹ã¨ã„ã†ä¾¿åˆ©ãªã‚‚ã®ãªã®ã§ã™ãŒã€å®Ÿéš›ã«ã“ã‚Œã‚’ä½¿ã†ã¾ã§ã®éŽç¨‹ã«ç½ ãŒå¤šã„ã®ã§ãƒ¡ãƒ¢ã—ã¦ãŠãã¾ã™ã€‚é•·ã™ãŽã¦æˆ‘ãªãŒã‚‰ã‚ã‘ãŒã‚ã‹ã‚‰ãªã„ã®ã§ã€èˆˆå‘³ã®ã‚ã‚‹æ–¹ã¯æœ€å¾Œã®å‚è€ƒã‚µã‚¤ãƒˆã ã‘èªã‚“ã ã‚‰ã„ã„ã¨æ€ã„ã¾ã™ã€‚ ä½¿ã„æ–¹ æ™®é€šã«ä½¿ã†åˆ†ã«ã¯ç°¡å˜ã§ã™ã€‚ stdafx.h ã®æœ«å°¾*1ã« : #if _DEBUG #define _CRTDBG_MAP_ALLOC #include <crtdbg.h> #define new new(_NORMAL_BLOCK, __FILE__, __LINE__) #endif ã¨è¨˜è¿°ã—ã€main é–¢æ•° (MFC ã§ã‚ã‚Œã° CWinApp::InitInstanceã¨ã‹) å†…éƒ¨ã§ ::_CrtSetDbgFlag(_CRTDBG_L
satojkovic 2008/12/26
ãƒ¡ãƒ¢ãƒªç®¡ç†

vc++
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satojkovic 2008/06/19
apache

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ã€ã‚¤ãƒ³ãƒ•ã‚©ã‚·ãƒ¼ã‚¯ã€‘Infoseek ï¼š æ¥½å¤©ãŒé‹å–¶ã™ã‚‹ãƒãƒ¼ã‚¿ãƒ«ã‚µã‚¤ãƒˆ
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satojkovic 2007/11/08
memory leaksã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã®èªã¿æ–¹

programming

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