c-jump: computer programming board game
Equipment: One game board, one die, and sets of colored pawns representing skiers and snowboarders for each player. Great and unique learning game for kids! It teaches the child basic commands of a programming language, such as "if", "else", "switch", and introduces variable "x" concept. The child calculates number of steps in the move, including addition, subtraction, division, and multiplication
netswitch! | RubyInlineãŒã™ã”ã„
Posted by nanki Mon, 12 Mar 2007 05:14:00 GMT Rubyコードä¸ã«Cã®ã‚³ãƒ¼ãƒ‰ã‚’埋ã‚è¾¼ã‚ã‚‹RubyInlineを使ã£ã¦ã€ ボトルãƒãƒƒã‚¯ã¨ãªã£ã¦ã„るメソッドを置ãæ›ãˆã‚‹ã€‚ # rubyinline.rb def benchmark s = "a" * 10000 test = Test.new t = Time.now 1000.times{test.string_xor(s, s)} Time.now - t end class Test def string_xor(str1, str2) result = str1.clone str1.length.times do |i| result[i] ^= str2[i] end result end end b1 = benchmark begin require 'inline' class T
プãƒã‚°ãƒ©ãƒ 㯠ASCII ã§æ›¸ãã¹ãã よ - 兼雑記
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Judy Arrays Web Page
What is Judy? Judy is a C library that provides a state-of-the-art core technology that implements a sparse dynamic array. Judy arrays are declared simply with a null pointer. A Judy array consumes memory only when it is populated, yet can grow to take advantage of all available memory if desired. Judy's key benefits are scalability, high performance, and memory efficiency. A Judy array is extensi
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末永幸平([email protected]) ANSI-C仕様ã§"ä¸å®šã§ã‚ã‚‹"ã¨ã‹"処ç†ç³»ä¾å˜ã§ã‚ã‚‹"ã¨ã‹ "定義ã•ã‚Œã¦ã„ãªã„"ã¨ã‹æ›¸ã‹ã‚Œã¦ã„ã‚‹ã‚‚ã®ã‚’集ã‚ãŸãƒ‰ã‚ュメント A2.5.2 - æ–‡å—定数 エスケープ文å—\(x..)(...)ãŒè¡¨ã™æ–‡å—ã®å€¤ãŒ, 最大ã®æ–‡å—ã®å€¤ã‚’越ãˆã‚‹ã¨, ãã®æŒ¯ã‚‹èˆžã„ã¯ä¸å®š 定義ã•ã‚Œã¦ã„ãªã„エスケープ文å—ã®æŒ¯ã‚‹èˆžã„ã¯ä¸å®š. (\qã¨ã‹) wchar_tåž‹ã®å®šæ•°ã§, 指定ã•ã‚ŒãŸå€¤ãŒwchar_tã®ä¸Šé™ã‚’越ãˆã‚‹ã¨åŠ¹æžœã¯ä¸å®šã¨ãªã‚‹. A2.6 - æ–‡å—列リテラル æ–‡å—列リテラルを変更ã—よã†ã¨ã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ã®æŒ¯ã‚‹èˆžã„ã¯ä¸å®š. 普通ã®æ–‡å—列リテラルã¨, 幅広ã®æ–‡å—列リテラル(L"...", wchar_tåž‹ã®é…列ã«ãªã‚‹)ã®é€£çµã¯ä¸å®š. åŒã˜æ–‡å—列リテラルãŒåŒºåˆ¥ã•ã‚Œã‚‹ã‹ã©ã†ã‹ã¯å‡¦ç†ç³»ã§ã®å®šç¾©ã«ã‚ˆã‚‹. A6.2 - æ•´æ•°ã®å¤‰æ› ä»»æ„ã®æ•´æ•°ãŒç¬¦å·ä»˜ãåž‹ã«å¤‰æ›
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C・C++・Java・Perl ãªã©ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã§ã¯ã€æ¡ä»¶æ¼”ç®—åã¨ã—ã¦ä¸‰é …演算å?:ãŒç”¨æ„ã•ã‚Œã¦ã„る。æ¡ä»¶æ¼”ç®—åã®æ›¸ãæ–¹ã¨ã—ã¦ã€ä»¥ä¸‹ã®ã‚ˆã†ãªèª¬æ˜ŽãŒã•ã‚Œã‚‹ã“ã¨ãŒå¤šã„。 condition ? true-expression : false-expression ã“ã®èª¬æ˜Žã¯ã€ä»¥ä¸‹ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¨åŒã˜ç¨‹åº¦ã€é–“é•ã£ã¦ã„る。 #include <stdio.h> main( ){printf ("hel" "lo, world\n" );} æ¡ä»¶æ¼”ç®—åã¯ã€æ£ã—ãã¯ä»¥ä¸‹ã®ã‚ˆã†ã«æ›¸ã。 condition ? true-expression : false-expression 使ã„æ–¹ã®ä¾‹ã‚’示ã™ã€‚ compare = obj1 == null ? obj2 == null ? 0 : -1 : obj2 == null ? 1 : obj1.toString().compareTo(obj2.to
Rolling with Ruby on Rails
Now, next, and beyond: Tracking need-to-know trends at the intersection of business and technology AI/ML Few technologies have the potential to change the nature of work and how we live as artificial intelligence (AI) and machine learning (ML). Future of the Firm Everything from new organizational structures and payment schemes to new expectations, skills, and tools will shape the future of the fi
Kazuho。をプãƒãƒ‡ãƒ¥ãƒ¼ã‚¹ : 404 Blog Not Found
2006å¹´01月10æ—¥22:50 カテゴリLightweight Languages Kazuho。をプãƒãƒ‡ãƒ¥ãƒ¼ã‚¹ ã†ãƒ¼ã‚“ã€å‰ã‚ˆã‚Šãã‚Œã„ã«ãªã£ãŸã‘ã©ã¡ã‚‡ã£ã¨ãã¡ã‚ƒãªã„。大ããªãŠä¸–話を承知ã§å‰ã‚„ã£ãŸã‚ˆã†ã«æ·»å‰Šã—ã¡ã‚ƒãˆã€‚ Kazuho@Cybozu Labs: C - a pseudo-interpreter of the C programming language Perl ã‚„ Ruby ã§ã¯ã€ãƒ¯ãƒ³ãƒ©ã‚¤ãƒŠãƒ¼ã§å‡¦ç†ãŒæ›¸ã‘ã¦ä¾¿åˆ©ã§ã™ã€‚ã§ã‚‚ã€ãªãœã‹ C ã§ã¯æ›¸ãã“ã¨ãŒã§ãã¾ã›ã‚“。仕事上ã®éƒ½åˆã§ã€å°ã•ãªå‡¦ç†ã‚’ C 言語ã§æ›¸ãå¿…è¦ãŒã‚ã£ãŸã®ã§ã€ãƒ¯ãƒ³ãƒ©ã‚¤ãƒŠãƒ¼ã‚‚書ãã“ã¨ã®ã§ãã‚‹ C 言語ã®ã‚¤ãƒ³ã‚¿ãƒ—リタ(?)を作ã£ã¦ã¿ã¾ã—ãŸã€‚ ダウンãƒãƒ¼ãƒ‰ URL: http://labs.cybozu.co.jp/blog/kazuho/archives/C Kazuho@Cybozu Labs: C-0.02C-0.
GCC some extensions
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Kazuho@Cybozu Labs: C - a pseudo-interpreter of the C programming language
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