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dealforest id:dealforest

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YAPC::Asia 2009 1æ—¥ç›® ã€ŒPerlã§åœ§ç¸®ã€ã®è³‡æ–™ - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
1æ—¥ç›®ã®ç™ºè¡¨ã‚’çµ‚ãˆã¾ã—ãŸã€‚è³‡æ–™ã‚’å…¬é–‹ã—ã¾ã™ã€‚ Perlã§åœ§ç¸®View more presentations from Naoya Ito. ç™ºè¡¨ã®æ–¹ã¯å°‘ã—é§†ã‘è¶³ã«ãªã£ã¦ã—ã¾ã„ã¾ã—ãŸã€‚æ˜Žæ—¥ã¯ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ã®ã‚·ã‚¹ãƒ†ãƒ äº‹ä¾‹ã®è©±ã‚’ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ç™ºè¡¨ã®æ§˜å via: http://yapcasia2009.ficia.com/
dealforest 2009/09/13
[YAPC::Asia2009][perl]

*naoya
ãƒªãƒ³ã‚¯
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dealforest 2009/08/31
w3m -dump_source http://www.yahoo.com/ | perl -nle 'print if /^/'

perl

*naoya

regex
ãƒªãƒ³ã‚¯
Perl::Critic / UNIVERSAL::require - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
ã“ã®ã¨ã“ã‚ç¤¾å†…ã®æŠ€è¡“å‹‰å¼·ä¼šã§å–ã‚Šä¸Šã’ã¦ã„ã‚‹ãƒ†ãƒ¼ãƒžã® Perl::Criticã€‚ã“ã®ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã¯ã€Damian Conway ã® Perl Best Pracitice ã«æ›¸ã‹ã‚Œã¦ã„ã‚‹ã‚¹ã‚¿ãƒ³ãƒ€ãƒ¼ãƒ‰ãª Perl ã®ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã‚¹ã‚¿ã‚¤ãƒ«ã‚’ãƒã‚§ãƒƒã‚¯ã™ã‚‹ãŸã‚ã®ã‚‚ã®ã§ã™ã€‚Perl::Critic ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã¨ perlcritic ã¨ã„ã†ã‚³ãƒžãƒ³ãƒ‰ãŒã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã•ã‚Œã€ãã‚Œã‚’ä½¿ã†ã“ã¨ã§è‡ªåˆ†ãŒæ›¸ã„ãŸ Perl ã®ã‚½ãƒ¼ã‚¹ã‚’ãƒã‚§ãƒƒã‚¯ã—ãŸã‚Šã§ãã‚‹ã¨ã„ã†ã€‚ ã„ã‚ã‚“ãªã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã‚¹ã‚¿ã‚¤ãƒ«ã®ãƒ«ãƒ¼ãƒ«ã¨ã‹ã¯ã€Perl::Critic::Policy ã®ã‚µãƒ–ã‚¯ãƒ©ã‚¹ã«è¨˜è¿°ã•ã‚Œã¦ã„ã¦ã€pod ã§å…¨éƒ¨èªã‚ã¾ã™ã€‚ ã“ã® Perl::Critic ãªãƒãƒªã‚·ãƒ¼ã®ä¸ã« Perl::Critic::Policy::BuiltinFunctions::ProhibitStringyEval ã¨ã„ã†ã®ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã¯ eval ã«ã¯æ–‡
dealforest 2009/05/23
[UNIVERSAL::require]

*naoya
ãƒªãƒ³ã‚¯
Bæœ¨ - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
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dealforest 2009/04/16
python

Bæœ¨

algorithm

*naoya
ãƒªãƒ³ã‚¯
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dealforest 2008/07/28
ãƒ—ãƒã‚»ã‚¹å˜ä½ã®ãƒ¡ãƒ¢ãƒªä½¿ç”¨é‡ã‚’èª¿ã¹ã‚‹

linux

kernel

*naoya

procfs

memory
ãƒªãƒ³ã‚¯
0Ã—0018 till I die Â» ã¯ã¦ãªnaoyaã•ã‚“ã€Œã¯ã¦ãªã‚’æ”¯ãˆã‚‹ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã‚·ã‚¹ãƒ†ãƒ ã€
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dealforest 2008/07/24
ã¯ã¦ãªã‚’æ”¯ãˆã‚‹ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã‚·ã‚¹ãƒ†ãƒ

*naoya

linux

Architecture
ãƒªãƒ³ã‚¯
Introduction to Information Retrieval #6 ã®å¾©ç¿’è³‡æ–™ - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
Introduction to Information Retrieval ã®6ç« ã®å¾©ç¿’è³‡æ–™ã‚’ä»¥ä¸‹ã«ã‚¢ãƒƒãƒ—ãƒãƒ¼ãƒ‰ã—ã¾ã—ãŸã€‚ http://bloghackers.net/~naoya/iir/ppt/iir_06.ppt 6ç« ã¯ã‚¹ã‚³ã‚¢ãƒªãƒ³ã‚°(é‡ã¿ä»˜ã‘)ãŒãƒ†ãƒ¼ãƒžã§ã™ã€‚ã‚¹ã‚³ã‚¢ãƒªãƒ³ã‚°ã®åŸºæœ¬ã¨ã—ã¦ã€æ–‡ç« ã®å±žæ€§æ¯Žã«é‡ã¿ã‚’ä¸Žãˆã¦ã‚¹ã‚³ã‚¢ã‚’è¨ˆç®—ã™ã‚‹ Weighted zone scoring ãŒæœ€åˆã«ç´¹ä»‹ã•ã‚Œã¦ã„ã¾ã™ã€‚æ¬¡ã«ã€æ–‡æ›¸ã«å«ã¾ã‚Œã‚‹å˜èªžã«é‡ã¿ã‚’ä¸Žãˆã‚‹æ–¹æ³•ã¨ã—ã¦ tf-idf ãŒè©±é¡Œã«æŒ™ãŒã‚Šã¾ã™ã€‚tf-idf ãªã©ã§å„å˜èªžã«æ•°å€¤ã‚’ä¸Žãˆã‚‰ã‚ŒãŸãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã¯ã€å„å˜èªžã®é‡ã¿ã‚’æˆåˆ†ã¨ã™ã‚‹ M æ¬¡å…ƒ (M ã¯è¾žæ›¸ã®å˜èªžæ•°) ã®ãƒ™ã‚¯ãƒˆãƒ«ã¨ã¿ãªã™ã“ã¨ãŒã§ãã¾ã™ã€‚ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆãƒ™ã‚¯ãƒˆãƒ«ã‚’Mæ¬¡å…ƒç©ºé–“ã«å±•é–‹ã—ãƒ™ã‚¯ãƒˆãƒ«è¨ˆç®—ã§ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆé–“ã®ç›¸é–¢(é¡žä¼¼æ€§)ã‚’ç®—å‡ºã™ã‚‹æ‰‹æ³•ã¨ã—ã¦ Vector space model ã®è§£èª¬ãŒ
dealforest 2008/06/16
ç™ºè¡¨è³‡æ–™#6

*naoya

IIR

material
ãƒªãƒ³ã‚¯
Introduction to DBIx::MoCo - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
YAPC::Asia 2008 ã§ OR ãƒžãƒƒãƒ‘ã® DBIx::MoCo ã«ã¤ã„ã¦ç™ºè¡¨ã—ã¾ã—ãŸã€‚DBIx::MoCo ã¯æœ€è¿‘ã®ã¯ã¦ãªã®ã‚µãƒ¼ãƒ“ã‚¹ã§åˆ©ç”¨ã—ã¦ã„ã‚‹ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã®ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã§ã€Ruby é¢¨ã®ãƒªã‚¹ãƒˆæ“ä½œã‚„ memcached ã«ã‚ˆã‚‹é€éŽçš„ãªã‚ãƒ£ãƒƒã‚·ãƒ¥ãªã©ã‚’ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ã¾ã™ã€‚ http://bloghackers.net/~naoya/ppt/080516introduction_to_dbix_moco.ppt ã«ã¦ç™ºè¡¨è³‡æ–™ã‚’å…¬é–‹ã—ã¦ã„ã¾ã™ã€‚
dealforest 2008/06/16
DBIx::MoCoç™ºè¡¨è³‡æ–™

*naoya

yapcasia2008

moco
ãƒªãƒ³ã‚¯
ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹æŒ‡å‘è¨è¨ˆ - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
æœ¬ã‚’èªã‚€ã“ã¨ã¨ã¯ã€ãã®æœ¬ã‚’èªã‚“ã ã“ã¨ã«è²»ã‚„ã—ãŸæ™‚é–“ã®é–“ã€ãã®æ›¸ç±ã®ãƒ†ãƒ¼ãƒžã«ã¤ã„ã¦è€ƒãˆã‚’å·¡ã‚‰ã›ã‚‹ã“ã¨ã§ã¯ãªã„ã‹ã€ã¨è¿‘é ƒæ€ã„ã¾ã™ã€‚æœ¬ã‚’èªã¿ãªãŒã‚‰é›†ä¸ã—ã¦ã€ã‚ã‚‹ç‰¹å®šã®ãƒ†ãƒ¼ãƒžã«ã¤ã„ã¦è€ƒãˆç¶šã‘ã‚‹ã€‚æœ¬ã‚’èªã¿çµ‚ãˆãŸé ƒã«ã¯ã€ãã®æ€è€ƒã®é‡çš„ãªä¾¡å€¤ãŒã€è‡ªã‚‰ã®ä¸ã§è³ªçš„ãªä¾¡å€¤ã«å¤‰æ›ã•ã‚Œã¦ã„ã‚‹ã¨ã„ã†ã®ãŒç†æƒ³ã§ã‚ã‚Šã€ãã‚ŒãŒèªæ›¸ã®é†é†å‘³ã§ã¯ãªã„ã‹ã¨æ€ã„ã¾ã™ã€‚ ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹æŒ‡å‘è¨è¨ˆ â€•ã‚¢ã‚¸ãƒ£ã‚¤ãƒ«æ‰‹æ³•ã«ã‚ˆã‚‹ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘è¨è¨ˆã®å®Ÿè·µ ã‚’èªã¿ã¾ã—ãŸã€‚ã“ã®æ›¸ç±ã¯ã‚·ã‚¹ãƒ†ãƒ è¨è¨ˆã«ãŠã‘ã‚‹ã€Œã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã€(ãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã§ã¯ãªãã€ãƒ—ãƒã‚°ãƒ©ãƒ ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹) ã«ã¤ã„ã¦ã®æ›¸ç±ã§ã™ã€‚ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã«ã¤ã„ã¦è€ƒãˆã‚’å·¡ã‚‰ã›ã‚‹ã«ã‚ãŸã£ã¦ã€æ€è€ƒã®ãŸã‚ã®æŒ‡é‡ã‚’ä¸Žãˆã¦ãã‚Œã‚‹è‰¯è‘—ã ã¨æ€ã„ã¾ã™ã€‚ ãƒ—ãƒã‚°ãƒ©ãƒ ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã¨ã„ã†ã‚‚ã®ã‚’ã©ã®ã‚ˆã†ã«æ‰ãˆã‚‹ã‹ã€‚ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ãƒ–ãƒãƒƒã‚¯å˜ä½ã§èªã‚€ãŸã‚ã®æ‰‹é †ã§ã‚ã‚‹ã¨ã‹ã€ã‚½ãƒ¼ãƒˆã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã§ã‚ã‚‹ã¨ã‹ã€ã
dealforest 2008/06/05
ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹æŒ‡å‘è¨è¨ˆ

*naoya

books
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Kansai.pm ã§ã®ç™ºè¡¨è³‡æ–™ (Hadoop Streaming ã§ MapReduce) - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
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dealforest 2008/06/04
MapReduceç™ºè¡¨è³‡æ–™

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kansai.pm
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MapReduce - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
"MapReduce" ã¯ Google ã®ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã§åˆ©ç”¨ã•ã‚Œã¦ã„ã‚‹ä¸¦åˆ—è¨ˆç®—ã‚·ã‚¹ãƒ†ãƒ ã§ã™ã€‚æ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³ã®ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ä½œæˆã‚’ã¯ã˜ã‚ã¨ã™ã‚‹ã€å¤§è¦æ¨¡ãªå…¥åŠ›ãƒ‡ãƒ¼ã‚¿ã«å¯¾ã™ã‚‹ãƒãƒƒãƒå‡¦ç†ã‚’æƒ³å®šã—ã¦ä½œã‚‰ã‚ŒãŸã‚·ã‚¹ãƒ†ãƒ ã§ã™ã€‚ MapReduce ã®é¢ç™½ã„ã¨ã“ã‚ã¯ã€map() ã¨ reduce() ã¨ã„ã†äºŒã¤ã®é–¢æ•°ã®çµ„ã¿åˆã‚ã›ã‚’å®šç¾©ã™ã‚‹ã ã‘ã§ã€å¤§è¦æ¨¡ãƒ‡ãƒ¼ã‚¿ã«å¯¾ã™ã‚‹æ§˜ã€…ãªè¨ˆç®—å•é¡Œã‚’è§£æ±ºã™ã‚‹ã“ã¨ãŒã§ãã‚‹ç‚¹ã§ã™ã€‚ MapReduce ã®è¨ˆç®—ãƒ¢ãƒ‡ãƒ« map() ã«ã¯ãã®è¨ˆç®—å•é¡Œã®ãƒ‡ãƒ¼ã‚¿ã¨ã—ã¦ã® key-value ãƒšã‚¢ãŒæ¬¡ã€…ã«æ¸¡ã£ã¦ãã¾ã™ã€‚map() ã§ã¯ key-value å€¤ã®ãƒšã‚¢ã‚’ç•°ãªã‚‹è¤‡æ•°ã® key-value ãƒšã‚¢ã«å¤‰æ›ã—ã¾ã™ã€‚reduce() ã«ã¯ã€map() ã§ä½œã£ãŸ key-value ãƒšã‚¢ã‚’åŒä¸€ã® key ã§æŸããŸã‚‚ã®ãŒé †ç•ªã«æ¸¡ã£ã¦ãã¾ã™ã€‚ãã® key-values ãƒšã‚¢ã‚’ä»»æ„ã®å½¢å¼ã«å¤‰æ›ã™ã‚‹ã“ã¨
dealforest 2008/06/04
MapReduceã«ã¤ã„ã¦

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google
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Perl ã®ãƒªã‚¹ãƒˆæ“ä½œã‚’ Ruby é¢¨ã« - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
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dealforest 2008/04/28
rubyé¢¨ã«ãƒªã‚¹ãƒˆæ“ä½œ

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perl
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Introduction to Information Retrieval #2å¾ŒåŠã€#3å‰åŠ ã®å¾©ç¿’è³‡æ–™ - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
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dealforest 2008/03/19
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algorithm
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Linux ã®ãƒ—ãƒã‚»ã‚¹ãŒ Copy on Write ã§å…±æœ‰ã—ã¦ã„ã‚‹ãƒ¡ãƒ¢ãƒªã®ã‚µã‚¤ã‚ºã‚’èª¿ã¹ã‚‹
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dealforest 2008/03/07
Copy on Write

linux

perl

memory

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