[B! ruby][tips] t_43zã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

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rubyã¨tipsã«é–¢ã™ã‚‹t_43zã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (18)

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Rubyã¯ãŸã®ã—ã„è¨€èªžã§ã™ã€‚Rubyã‚’è§¦ã£ã¦ã„ã‚‹ã¨ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã«ã‚‚æ›¸ã„ã¦ã„ãªã„ã€Œå°ã•ãªç™ºè¦‹ã€ã«éé‡ã™ã‚‹ã“ã¨ãŒã‚ˆãã‚ã‚Šã¾ã™ã€‚ã“ã®ã‚ˆã†ãªã€Œç™ºè¦‹ã€ã¯ã€ãƒ—ãƒã‚°ãƒ©ãƒ ã®è³ªã‚„åŠ¹çŽ‡ã®æ”¹å–„ã«ã¯ç›´çµã—ãªã„ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ã„ã‚„ã€ã‚€ã—ã‚ãƒãƒ¼ãƒ ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§ã¯å¦¨ã’ã«ãªã‚‹å¯èƒ½æ€§ã™ã‚‰ã‚ã‚Šã¾ã™ã€‚ã—ã‹ã—ãã®ä¸€æ–¹ã§ã€è¨€èªžè‡ªä½“ãŒè‡ªåˆ†ã®çŸ¥ã‚‰ãªã„é ˜åŸŸã‚’æŒã¡ç¶šã‘ã¦ã„ã‚‹ã“ã¨ãŒã€ãã®å¯¾è±¡ã«å¯¾ã™ã‚‹èˆˆå‘³ã‚’å¤±ã‚ã›ãªã„ãŸã‚ã®å¤§ããªè¦å› ã§ã‚ã‚‹ã€ã¨ã„ã†ã®ã‚‚ã¾ãŸç–‘ã„ã®ãªã„äº‹å®Ÿãªã®ã§ã™ã€‚ã¤ã¾ã‚Šã€Œç™ºè¦‹ã€ã¯ãŸã®ã—ã•ã«ç›´çµã—ã¦ã„ã‚‹ã®ã§ã™ã€‚ ã“ã®ãƒ–ãƒã‚°ã«ãŠã„ã¦ã€ŒçŸ¥ã£ã¦å¾—ã™ã‚‹Rubyã®ãƒˆãƒªãƒ“ã‚¢ãªè¨˜æ³•ã€ã¨ã„ã†ã‚¿ã‚¤ãƒˆãƒ«ã§ã€ä»Šã¾ã§ï¼“å›žè¨˜äº‹ã‚’æ›¸ãã¾ã—ãŸã€‚ â€œçŸ¥ã£ã¦å¾—ã™ã‚‹21ã®Rubyã®ãƒˆãƒªãƒ“ã‚¢ãªè¨˜æ³•â€ â€œç¬¬ï¼’å¼¾ï¼çŸ¥ã£ã¦å¾—ã™ã‚‹12ã®Rubyã®ãƒˆãƒªãƒ“ã‚¢ãªè¨˜æ³•â€ â€œç¬¬ï¼“å¼¾ï¼çŸ¥ã£ã¦å¾—ã™ã‚‹12ã®Rubyã®ãƒˆãƒªãƒ“ã‚¢ãªè¨˜æ³•â€ ã“ã‚Œã‚‰ã®ãƒˆãƒªãƒ“ã‚¢ã«ã¯ã€ãƒãƒƒãƒˆæ¤œç´¢ã§è¦‹ã¤ã‘ãŸã‚‚ã®ã€Twitt
t_43z 2013/03/04
ruby

tips
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ã‚„ã‚‹å¤«ãŒFiberãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹æ¸¬å®šã—ã¦ã¿ãŸãã†ã§ã™ ãã®ï¼’ - ã‚µã‚¤ãƒã‚°ã€‚
(å‰å›žã®ç¶šã) Benchmark.benchmark (" "*11 + Benchmark::CAPTION) do |bm| (ç•¥) fib = bm.report("fiber: ") do outer.times do fiber = Fiber.new do array = Array.new(size){|i| i} idx = 0 ret = true while ret ret = Fiber.yield array[idx] idx = (idx + 1) % array.length end end sum = 0 inner.times do sum += fiber.resume(true) end fiber.resume(nil) end end end ï¼¿ï¼¿ï¼¿ï¼¿ï¼¿_ ï¼ã€€ã€€ï¼¼ã€€ ã€€ ï¼ï¼¼ ï¼ ã€€ã— ï¼ˆï¼žï¼‰ ã€€ï¼ˆï¼œï¼‰ï¼¼ |ã€€âˆªã€€ ã€€ ï¼ˆ__äºº__ï¼‰ã€€ J |ã€€
t_43z 2009/07/30
Ruby

tips
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Gemã®ä»£ã‚ã‚Šã«GitHubã‹ã‚‰ç›´æŽ¥requireã™ã‚‹æ–¹æ³• - Hello, world! - s21g
Gemã‚’ä½œã‚‹ã®ãŒé¢å€’ã«ãªã£ã¦ããŸã®ã§ã€githubã‹ã‚‰ç›´æŽ¥requireã§ããŸã‚‰æ¥½ã«ãªã‚‹ã‹ã‚‚ã—ã‚Œãªã„ã¨æ€ã„ã€è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ 1Â def git(uri, sha1, options = {}) 2Â require "tmpdir" 3Â basename = File.basename(uri) 4Â outdir = File.join(Dir.tmpdir, basename, sha1) 5Â unless File.exist?(outdir) 6Â sh = proc{|command| IO.popen("#{command} 2>&1"){|io| io.read}} 7Â sh["git clone #{uri} #{outdir}"] 8Â sh["cd #{outdir}; git checkout #{sha1}"] 9Â end 10Â $:.unshift
t_43z 2009/07/17
Ruby

tips
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t_43z 2008/12/08
Ruby

tips
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ã¾ã¤ã‚‚ã¨ç›´ä¼ã€€ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®ã‚ªã‚ãƒ† ç¬¬21å›žã€€ã‚ªãƒ¼ãƒ—ãƒ³ã‚¯ãƒ©ã‚¹ã¨Ruby on Rails
Rubyã«ã¯ã€Œã‚ªãƒ¼ãƒ—ãƒ³ã‚¯ãƒ©ã‚¹ã€ã¨ã„ã†æ©Ÿèƒ½ãŒã‚ã‚Šï¼Œä½¿ã„æ–¹æ¬¡ç¬¬ã§å¼·åŠ›ãªé“å…·ã«ãªã‚Šã¾ã™ã€‚ä»Šå›žã¯ã“ã®ã‚ªãƒ¼ãƒ—ãƒ³ã‚¯ãƒ©ã‚¹ã‚’è§£èª¬ã—ã¾ã™ã€‚ã‚ªãƒ¼ãƒ—ãƒ³ã‚¯ãƒ©ã‚¹ã‚’æ´»ç”¨ã—ã¦ã„ã‚‹ã€ŒRuby on Railsã€ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªActiveSupportã«ã¤ã„ã¦ã‚‚ç´¹ä»‹ã—ã¾ã™ã€‚ ã‚ªãƒ¼ãƒ—ãƒ³ã‚¯ãƒ©ã‚¹ã«ã¤ã„ã¦ã®èª¬æ˜Žã«å…¥ã‚‹å‰ã«ï¼ŒRubyã«ãŠã‘ã‚‹é€šå¸¸ã®ã‚¯ãƒ©ã‚¹å®šç¾©ã«ã¤ã„ã¦ï¼Œå¾©ç¿’ã—ã¦ãŠãã¾ã—ã‚‡ã†ã€‚ã‚¯ãƒ©ã‚¹Fooã‚’å®šç¾©ã™ã‚‹ã«ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«æ›¸ãã¾ã™ã€‚ ã“ã®å®šç¾©ã§ã¯ã‚¯ãƒ©ã‚¹åãŒFooï¼ŒFooã®ã‚¹ãƒ¼ãƒ‘ãƒ¼ã‚¯ãƒ©ã‚¹ã¯Barã«ãªã‚Šã¾ã™ã€‚Fooã¯Barã‚¯ãƒ©ã‚¹ã‚’ç¶™æ‰¿ã—ã¦ã„ã¾ã™ã€‚ã‚¯ãƒ©ã‚¹æ–‡ã®å†…å´ã«ã‚ã‚‹defã«ã‚ˆã£ã¦plus2ãƒ¡ã‚½ãƒƒãƒ‰ãŒå®šç¾©ã•ã‚Œã¾ã™ã€‚Fooã‚¯ãƒ©ã‚¹ã¯ã‚¹ãƒ¼ãƒ‘ãƒ¼ã‚¯ãƒ©ã‚¹ã§ã‚ã‚‹Barã‚¯ãƒ©ã‚¹ãŒå‚™ãˆã¦ã„ã‚‹ãƒ¡ã‚½ãƒƒãƒ‰ãªã©ã‚’å—ã‘ç¶™ãŽã¾ã™ã‹ã‚‰ï¼ŒFooã‚¯ãƒ©ã‚¹ã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã¯ï¼ŒBarã‚¯ãƒ©ã‚¹ã®ãƒ¡ã‚½ãƒƒãƒ‰ã«åŠ ãˆã¦plus2ãƒ¡ã‚½ãƒƒãƒ‰ãŒä½¿ãˆã‚‹ã¨ã„ã†ã“ã¨ã«ãªã‚Šã¾ã™ã€‚ ã“ã®ã‚ˆã†ã«æ–°ã—ã„ã‚¯ãƒ©ã‚¹ã‚’å®šç¾©
t_43z 2008/06/23
Ruby

tips
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ã‚„ã‚‹å¤«ã§å¦ã¶JRubyæœ€é©åŒ– - recompile.net
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t_43z 2008/06/23
ãƒ¬ãƒ™ãƒ«ãŸã‘ã‡

Ruby

JRuby

JVM

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t_43z 2008/03/31
Ruby

tips
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Rubyã‹ã‚‰å¤–éƒ¨ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å‘¼ã³å‡ºã™æ–¹æ³• - Hello, world! - s21g
Rubyã‹ã‚‰å¤–éƒ¨ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å‘¼ã³å‡ºã—ã¦ã€ ãƒ‘ã‚¤ãƒ—ã‚’ä½¿ã£ãŸãƒ—ãƒã‚»ã‚¹é–“é€šä¿¡ã‚’ã™ã‚‹æ–¹æ³•ã®ç´¹ä»‹ã§ã™ã€‚ Rubyã‹ã‚‰å¤–éƒ¨ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’èµ·å‹•ã—ã¦ã€æ¨™æº–å…¥åŠ›ã‹ã‚‰ãƒ‡ãƒ¼ã‚¿ã‚’å…¥åŠ›ã—ã€ æ¨™æº–å‡ºåŠ›ã‹ã‚‰çµæžœã‚’å–ã‚Šå‡ºã—ãŸã„ã¨ã„ã†å ´åˆã«ã¯ã€ IO.popenã‚’ä½¿ã†ã¨ä¾¿åˆ©ã§ã™ã€‚ä½¿ã„æ–¹ã¯ä»¥ä¸‹ã®ã¨ãŠã‚Šã€‚ 1Â IO.popen('/usr/bin/command', 'r+') do |io| 2Â io.puts "something to input" 3Â @result = io.gets 4Â end
t_43z 2008/03/15
Ruby

tips
ãƒªãƒ³ã‚¯
Rails2.0ã¨Rails1.2ã‚’å…±å˜ã•ã›ã‚‹æ–¹æ³• - moroã®æ—¥è¨˜
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t_43z 2008/01/15
ruby

gems

rails

tips
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t_43z 2007/12/02
Windows

Ruby

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t_43z 2007/08/30
Mac

Ruby

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t_43z 2007/07/26
MediaTemple

Ruby

Rails

gems

tips
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t_43z 2007/07/06
Ruby

Rails

ERB

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t_43z 2007/06/25
Ruby

Rails

ãƒ†ã‚¹ãƒˆ

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t_43z 2007/02/22
Ruby

UTF-8

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t_43z 2006/12/22
Ruby

irb

tips
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t_43z 2006/10/10
ruby

debug

tips
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http://blog.masuidrive.jp/articles/2006/09/22/ruby-setrlimit
t_43z 2006/09/22
ruby

tips
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