[B! erlang] masami256ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

masami256 id:masami256

erlangã«é–¢ã™ã‚‹masami256ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (2)

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Erlangã‚’ä½¿ã£ãŸä¸¦åˆ—å‡¦ç†ãƒ—ãƒã‚°ãƒ©ãƒ ã®ä½œæˆ
ã¯ã˜ã‚ã« CPUãƒ¡ãƒ¼ã‚«ãƒ¼ã¯ã€ç™ºç†±ã®å•é¡Œä¸Šã€ã‚¯ãƒãƒƒã‚¯ãƒ¬ãƒ¼ãƒˆãŒ4.0GHzã‚’è¶…ãˆã‚‹CPUã‚’ä½•å¹´ã‚‚å®Ÿè³ªçš„ã«è£½é€ ã§ããšã«ã„ã¾ã™ã€‚ã‚·ãƒ³ã‚°ãƒ«ã‚³ã‚¢ãƒ—ãƒã‚»ãƒƒã‚µã®é€Ÿåº¦ã«ã“ã†ã—ãŸé™ç•ŒãŒã‚ã‚‹ä»¥ä¸Šã€ãƒ—ãƒã‚°ãƒ©ãƒ ã®å®Ÿè¡Œé€Ÿåº¦ã‚’ä¸Šã’ã‚‹ã«ã¯ã€ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’è¤‡æ•°ã®ãƒ—ãƒã‚»ãƒƒã‚µã§å®Ÿè¡Œã™ã‚‹ã—ã‹ã‚ã‚Šã¾ã›ã‚“ã€‚ãã“ã§ã€CPUãƒ¡ãƒ¼ã‚«ãƒ¼å„ç¤¾ã¯è¤‡æ•°ã®ã‚³ã‚¢ã‚’æŒã¤ãƒ—ãƒã‚»ãƒƒã‚µï¼ˆãƒžãƒ«ãƒãƒ—ãƒã‚»ãƒƒã‚µCPUï¼‰ã‚’è£½é€ ã—å§‹ã‚ã¾ã—ãŸã€‚è¿‘ã„å°†æ¥ã«ã¯ã€100åŸºä»¥ä¸Šã®ã‚³ã‚¢ã‚’æŒã¤ãƒ—ãƒã‚»ãƒƒã‚µã‚‚ç™»å ´ã™ã‚‹ã“ã¨ã§ã—ã‚‡ã†ã€‚ã“ã®ã‚ˆã†ãªæ–°ã—ã„ãƒ—ãƒã‚»ãƒƒã‚µã®æ€§èƒ½ã‚’æœ€å¤§é™ã«æ´»ç”¨ã™ã‚‹ãŸã‚ã«ã€ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢é–‹ç™ºè€…ã¯ä¸¦åˆ—å‡¦ç†ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ä½œæˆã™ã‚‹ã“ã¨ãŒæ±‚ã‚ã‚‰ã‚Œã¾ã™ã€‚ãƒãƒ¼ãƒ–ãƒ»ã‚µãƒƒã‚¿ãƒ¼æ°ãŒãƒ ãƒ¼ã‚¢ã®æ³•å‰‡ã«ã¤ã„ã¦è¿°ã¹ãŸã¨ãŠã‚Šã€ã€ŒThe Free Lunch Is Overï¼ˆã‚¿ãƒ€é£¯ã¯çµ‚ã‚ã£ãŸï¼‰ã€ã®ã§ã™ã€‚ã¨ã¯ã„ãˆã€ä¸¦åˆ—å‡¦ç†ãƒ—ãƒã‚°ãƒ©ãƒ ã®ä½œæˆã¯åŽ„ä»‹ã§ã€ç§»è¡Œã¯å®¹æ˜“ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ éŽåŽ»30å¹´ã€ä¸¦åˆ—å‡¦ç†ã®ä¸»è¦ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼
masami256 2009/10/30
erlang
ãƒªãƒ³ã‚¯
Erlang ã‚¯ã‚¨ãƒƒã‚¯ãƒ–ãƒƒã‚¯
æ–‡å—åˆ— æ–‡å—åˆ—ã‚’æ•°å€¤ã«å¤‰æ›ã™ã‚‹ list_to_integer("123"). % 123 list_to_integer("-10"). % -10 né€²æ•°ã®æ–‡å—åˆ—ã‚’æ•°å€¤ã«å¤‰æ›ã™ã‚‹ u ã¯æŒ‡å®šã—ãŸåŸºæ•°ã§å¤‰æ›ã€# ã¯æ–‡å—åˆ—ãŒè¡¨ç¾ã—ã¦ã„ã‚‹åŸºæ•°ã§å¤‰æ›ã—ã¾ã™ã€‚ io_lib:fread("~16u", "100"). % {ok,[256],[]} io_lib:fread("~2u", "100abc"). % {ok,[4],[abc]} io_lib:fread("~36u", "100%%%"). % {ok,[1296],"%%%"} io_lib:fread("~#", "16#100"). % {ok,[256],[]} io_lib:fread("~#", "2#100abc"). % {ok,[4],[abc]} io_lib:fread("~#", "36#100%%%").
masami256 2009/10/30
erlang
ãƒªãƒ³ã‚¯
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