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記å·ã ã‘ã§ä»»æ„ã®JavaScriptコードを実行ã§ãるよã†ã«ã™ã‚‹ãƒ•ã‚£ãƒ«ã‚¿ãƒ—ãƒã‚°ãƒ©ãƒ ã¨ã€ãれを元ã®ã‚³ãƒ¼ãƒ‰ã«æˆ»ã™ãƒ‡ã‚³ãƒ¼ãƒ€ãƒ—ãƒã‚°ãƒ©ãƒ 。ppencodeã®ã‚ˆã†ãªç‰©ã€‚ 特長: 日本語(UTF-8)ã«å¯¾å¿œã—ã¦ã„ã‚‹ 使用ã™ã‚‹ã‚°ãƒãƒ¼ãƒãƒ«å¤‰æ•°ãŒ$_ã 㑠クãƒã‚¹ãƒ–ラウザ 実用的ã§ã™ã。 alert("ãŠã¯ã‚ˆã†ã€ä¸–ç•Œï¼"); ㌠$_={_:+[],__:+[]};$_.__++;$_.___=$_.__+$_.__;$_.____=$_.___+$_.__;$_._____=$_.___<<$_.__;$_.______=$_.___*$_.___+$_.__;$_._______=$_.___*$_.____;$_.________=$_._____+$_.____;$_._________=$_.___<<$_.___;$_.__________=$_.____*$_.____;$_.$$=""+{};$
map ãŒé¢å€’ãªã®ã§ DelegateMap - ã¾ã‚ã‚ã‚‚
ç°¡å˜ãªã“ã¨ã‚’ã™ã‚‹ map を書ãã®ãŒé¢å€’ã§ã™ã€‚é…列ã®å„è¦ç´ ã« 1 足ã™ç¨‹åº¦ã®ã“ã¨ã§ã€ã„ã¡ã„ã¡ .map {|x| x + 1 } ãªã©ã¨ 12 ストãƒãƒ¼ã‚¯ (空白除ã) ã‚‚å¿…è¦ãªã‚“ã§ã™ã‚ˆã€‚ã—ã‹ã‚‚ãªã‚“ã‹ã”ã¡ã‚ƒã”ã¡ã‚ƒã—ã¦èªã¿ã«ãã„。 ä½¿ç”¨é »åº¦ã®ä½Žã„ inject ã¨ã‹ãªã‚‰è¨±ã›ã‚‹ã‚“ã§ã™ãŒã€ç‰¹ã«ä½¿ç”¨é »åº¦ã®é«˜ã„ map ãらã„ã¯çŸã書ããŸã„。ブãƒãƒƒã‚¯å¤‰æ•°åを決ã‚ã‚‹å¿…è¦ãŒã‚ã‚‹ã®ã‚‚é¢å€’ãã•ã„。"{|x|" ã®éƒ¨åˆ†ã¨ "}" ã®éƒ¨åˆ†ãŒç•°ãªã‚‹ç®‡æ‰€ã«åˆ†ã‹ã‚Œã‚‹ã®ã‚‚æ°—ã«å…¥ã‚‰ãªã„ *1 。 ãã“ã§è€ƒãˆãŸã€‚ã“ã‚“ãªã®ã©ã†ã ã‚ã†ã€‚ # å„è¦ç´ ã« 1 を足㙠p [1, 2, 3].dmap + 1 #=> [2, 3, 4] p [1, 2, 3].map {|x| x + 1 } # 上ã¨ç‰ä¾¡ # 二é‡é…列ã®å„è¦ç´ ã®å…ˆé ã®è¦ç´ を集ã‚ã‚‹ (map fst ã¿ãŸã„ãª) p [[1, 2], [3, 4], [5, 6]].
Magnus Holm - Tailin' Ruby
Ruby doesn’t do tail call optimization. That sucks. However, quite a few month ago I managed to fake it: RunAgain = Class.new(Exception) def fib(i, n = 1, result = 0) if i == -1 result else raise RunAgain end rescue RunAgain i, n, result = i - 1, n + result, n retry end It was extremely slow (see benchmark at the end of this post) since it has to build backtrace for each raise, but at least it wor
Ruby, Rails, Web2.0 » Blog Archive » Ruby’s Most Underused Keyword
I spent the first 2+ years in Ruby-land without even knowing about the probably most underused (and underrated) keyword of the language: redo. Even after I came across the first example and liked it immensely, I could not come up with another use for it, so I threw it to the bottom of my toolbox. Then I found another example, and another one - so I came to the conclusion that redo might be a valua
Object#tryã«ã¤ã„㦠- I am Cruby!
RubyRails2.3リリースノート訳 : ã†ã‡ã¶ãŸã¾try() — ones zeros majors and minorsã¾ã¤ã‚‚ã¨ã•ã‚“ã«ã€ŒRubyã«å…¥ã‚Œã¾ã›ã‚“ã‹ï¼Ÿã€ã¨ç›´æŽ¥è³ªå•ã—ãŸæ‰€ï¼Œã€Œç‹ã¯æ‚ªããªã„．ã‚ã¨ã¯åå‰ã ã．ã€ã¨ç”ãˆã¦ã„ãŸã ã„ãŸï¼Žã€€ã®ã§ï¼Œruby-coreã«ãƒ¡ãƒ¼ãƒ«ã‚’出ã—ã¦ãŠã．Ruby 1.9 - Feature #1122: request for: Object#try - Ruby Issue Tracking System# 英語ã¯ä¸å®‰ã ã‘ã©ï¼Žï¼Žå…¥ã‚‹ã¨è‰¯ã„ãªãã¨æ€ã„ã¾ã™ãŒï¼Œè‰¯ã„åå‰ãŒæ€ã„ã¤ã‹ãªã„ã§ã™ã．．．
Ioke
Ioke is a dynamic language targeted at the Java Virtual Machine. It's been designed from scratch to be a highly flexible general purpose language. It is a prototype-based programming language that is inspired by Io, Smalltalk, Lisp and Ruby. Ioke is hosted at Kenai. This is where bugs are reported, mailing lists are joined, and the source code can be found. The link to the project at Kenai can be
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ã“ã†ã™ã‚Œã°ã„ã„。 require "pathname" Pathname.glob("**/*").sort_by {|f| f.mtime }.last
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『るã³ã¾ã€ã¯ã€Ruby ã«é–¢ã™ã‚‹æŠ€è¡“記事ã¯ã‚‚ã¡ã‚ã‚“ã®ã“ã¨ã€Rubyist ã¸ã®ã‚¤ãƒ³ã‚¿ãƒ“ューやエッセイã€ãã®ä»–ã‚’ãŠå±Šã‘ã™ã‚‹ã‚¦ã‚§ãƒ–雑誌ã§ã™ã€‚ Rubyist Magazine ã«ã¤ã„㦠『Rubyist Magazineã€ã€ç•¥ã—ã¦ã€Žã‚‹ã³ã¾ã€ã¯ã€æ—¥æœ¬ Ruby ã®ä¼šã®æœ‰å¿—ã«ã‚ˆã‚‹ Rubyist ã® Rubyist ã«ã‚ˆã‚‹ã€Rubyist ã¨ãã†ã§ãªã„人ã®ãŸã‚ã®ã‚¦ã‚§ãƒ–雑誌ã§ã™ã€‚ æœ€æ–°å· Rubyist Magazine 0058 å· ãƒãƒƒã‚¯ãƒŠãƒ³ãƒãƒ¼ Rubyist Magazine 0058 å· RubyKaigi 2018 ç›´å‰ç‰¹é›†å· Rubyist Magazine 0057 å· RubyKaigi 2017 ç›´å‰ç‰¹é›†å· Rubyist Magazine 0056 å· Rubyist Magazine 0055 å· Rubyist Magazine 0054 å· æ±äº¬ Ruby ä¼šè° 11 ç›´
ä»»æ„ã® Ruby プãƒã‚°ãƒ©ãƒ をアルファベットã¨æ•°å—ã ã‘ã«ã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ - 兼雑記
ã“ã®ã‚³ãƒ¼ãƒ‰ を見ã¦ã„ã¦æ›¸ã‘ã‚‹ã“ã¨ã«æ°—付ã„ãŸã€‚ puts <<END class String alias originalinspect inspect def inspect alias inspect originalinspect #{s='';$<.read.each_byte{|v|s+="concat #{v}\n"};s} eval self exit 0 end end p String nil END æ•°å—ã‚‚ã¾ããªã‚“ã‹æ¶ˆã›ã‚‹ã¨æ€ã†ã€‚ã“れ㧠Ruby ã‚‚ Perl 並ã¨è¨€ã£ã¦ã„ã„ã‹ã€‚ See also. ä»»æ„ã® Ruby (1.9) プãƒã‚°ãƒ©ãƒ を記å·ã ã‘ã«ã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ppencode (eval ã¤ã‘られれã°ä»Šå›žã®ã¨åŒã˜ã“ã¨ã§ãã‚‹ã‘ã©ã€ Perl ã£ã¦æ–‡å—列ã®é€£çµã§ãã‚‹ã‹ãª) Acme::EyeDrops (ä»»æ„ã® Perl プãƒã‚°ãƒ©ãƒ を記å·ã ã‘ã«ã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ) 追記
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ã“ã“「ã²ã¨ã‚Šå‹‰å¼·ä¼šã€ã¯ã€ä¼šã¨è¨€ã„ã¤ã¤ã²ã¨ã‚Šã§å‹‰å¼·ã—ãŸè¨˜éŒ²ã‚’残ã—ã¦ã¾ã™ã€‚ 金曜日㯠YARV: Yet Another Ruby VM ã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰èªã¿ã®æ—¥ã§ã™ã€‚ å±¥æ´ (1): main ã‹ã‚‰ yarv コアã«åˆ°é”ã™ã‚‹ã¾ã§ (2): コンパイル処ç†ã®æµã‚Œã¨ãƒ‡ãƒ¼ã‚¿æ§‹é€ (3): if ã®ã‚³ãƒ³ãƒ‘イル (4): case, while ã®ã‚³ãƒ³ãƒ‘イル (5): break, next, redo, retry, rescue, ensure, for, ブãƒãƒƒã‚¯ ã®ã‚³ãƒ³ãƒ‘イル (6): 代入 ã®ã‚³ãƒ³ãƒ‘イル (7): 自己代入, メソッド呼ã³å‡ºã— ã®ã‚³ãƒ³ãƒ‘イル (8): super, yield, リテラルãªã©ãªã© ã®ã‚³ãƒ³ãƒ‘イル (9): def, class, module, alias ãªã©ãªã© ã®ã‚³ãƒ³ãƒ‘イル ã“ã“ã¾ã§ã®ã¾ã¨ã‚: PPT or PDF (10): 最é©åŒ– (11): ãƒã‚¤ãƒˆã‚³ãƒ¼
sortコマンドã¨ç„¡å関数ã®åˆæˆ - 世界線航跡蔵
sort コマンドã®å®Ÿè£…(ãã®2 ã‚’èªã‚“ã§ã€å˜ãªã‚‹ã€Œå¼•æ•°ã«å¯¾ã™ã‚‹æ“作を表ã™ã‚ªãƒ–ジェクトã€ã®ãŸã‚ã«ã‚¯ãƒ©ã‚¹ã‚’定義ã™ã‚‹æ„味ãŒåˆ†ã‹ã‚“ãã€ã¨æ€ã£ã¦ã„ã‚ã„ã‚書ã„ã¦ã¿ãŸã‚‰ã“ã†ãªã£ãŸã€‚ require 'optparse' module Ordering def cartesian(rhs) proc {|(a0,*ar), (b0,*br)| result = self.call(a0, b0) result == 0 ? rhs.call(ar, br) : result }.extend(Ordering) end def composite(rhs) proc {|a,b| self.call(rhs.call(a), rhs.call(b)) }.extend(Ordering) end def scalar_prod(rhs) case rhs when -1 then -self when
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The golf course looks great, my swing feels good, I like my chances (Part I)
[ruby-core:20570] Re: ruby -p behavior in 1.9
[ruby-dev:37379] Re: [Feature #841] Object#self
http://poignantguide.net/ruby/index.html
PaaS, the leader in Platform as a Service :: Morph Labs
Deprecated :: Deprecated
wonderfullyflawed.com
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