Tim Riley - God init script for Debian/Ubuntu systems
May 27th 2008 To compliment the Red Hat init script that is available on the net, here’s the init script we use to launch god on our Ubuntu systems. To use, save as /etc/init.d/god, make the file executable, then run update-rc.d god defaults. You’re done. #!/bin/sh ### BEGIN INIT INFO # Provides: god # Required-Start: $all # Required-Stop: $all # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Shor
Rails ã® ActiveRecord モデルテストã®æ›¸ã方ガイドライン - passingloopã®æ—¥è¨˜
ã“ã®ã‚¨ãƒ³ãƒˆãƒªã§ã¯ï¼ŒRuby on Rails （以下 Rails）㮠ActiveRecord モデルテストã«ã¤ã„ã¦ï¼Œ1) ã©ã“ã®ä½•ã‚’テストã™ã‚Œã°ã‚ˆã„ã‹ï¼Œ2) ã©ã®ã‚ˆã†ã«ãƒ†ã‚¹ãƒˆã‚’書ã‘ã°ã‚ˆã„ã‹ï¼Œã®ã‚¬ã‚¤ãƒ‰ãƒ©ã‚¤ãƒ³ã‚’示ã—ã¾ã™ï¼Žã“ã®ã‚¬ã‚¤ãƒ‰ãƒ©ã‚¤ãƒ³ã¯ Rails å…¬å¼ã®ã‚‚ã®ã§ã¯ãªã，id:passingloop ãŒä½¿ã£ã¦ã„ã‚‹ç§çš„ãªã‚‚ã®ã§ã™ï¼Žç–‘å•ãƒ»è³ªå•ãƒ»æ‰¹åˆ¤ãƒ»é–“é•ã„ã®æŒ‡æ‘˜ã¯ãƒšãƒ¼ã‚¸ä¸‹éƒ¨ã®ã‚³ãƒ¡ãƒ³ãƒˆæ¬„ã¾ã§ãŠé¡˜ã„ã—ã¾ã™ï¼Ž ã¯ã˜ã‚ã« Rails 㯠TDD/BDD サãƒãƒ¼ãƒˆãŒå……実ã—㟠Web アプリケーション開発フレームワークã§ã™ï¼ŽRails ã§ä½¿ãˆã‚‹ Test::Unit ã‚„ RSpec ãªã©ã¨ã„ã£ãŸãƒ†ã‚¹ãƒ†ã‚£ãƒ³ã‚°ãƒ•ãƒ¬ãƒ¼ãƒ ワークã®ä½¿ã„æ–¹ã«é–¢ã™ã‚‹è§£èª¬ã‚‚豊富ã«ã‚ã‚Šã¾ã™ï¼Žã—ã‹ã—，「ã©ã“ã‚’ã©ã†ãƒ†ã‚¹ãƒˆã™ã‚Œã°ã‚ˆã„ã®ã‹ã€ã«ã¤ã„ã¦ã®è§£èª¬ã¯ï¼Œã€Œä½¿ã„æ–¹ã€ã®è§£èª¬ã¨æ¯”較ã—ã¦å°‘ãªã„よã†ã«æ€ã„ã¾ã™ï¼Žã‚‚ã£ã¨ã‚‚，テスト一般ã«ã¤ã„ã¦ã©ã†æ›¸ãã‹ã¯ã‚¢ãƒ—
Ruby Blocks as Dynamic Callbacks
Callbacks are a great technique for achieving simplicity and flexibility. Simply put, a callback is a block of code passed as an argument to a method. In Ruby, code blocks are everywhere and Ruby makes it trivial to pass a block of code to methods. For example: def foo(bar, &block) callback = block callback.call(bar) end foo(5) {|x| x * x} # => 25 But what do we do when a method needs two blocks o
Ruby ã§ã€ç‹¬è‡ªã‚¹ã‚ーマå‘ã‘ã® URI オブジェクトを定義ã™ã‚‹ « blog.udzura.jp
uri = URI.parse("mysql://u-kondo:XXXXX@localhost:3306/hogege") uri.class #=> URI::MySQL uri.host #=> localhost require 'uri' require 'active_record' class URI::MySQL < URI::Generic def default_port 3306 end def database path[1..-1] rescue nil end def connection_hash { :adapter => scheme, :host => host, :username => user, :password => password, :database => database, :encoding => 'utf8', :port => p
WebSocketを使ã£ã¦Webブラウザ間P2P通信をã—ã¦ã¿ãŸ - ã„ã‚ã„ã‚ãªä½•ã‹
ã¯ã˜ã‚㫠ブラウザ間ã§P2P通信ãŒå®Ÿç¾ã§ãã‚Œã°ã€ãƒ–ラウザ上ã§å‹•ä½œã™ã‚‹P2PアプリãŒä½œã‚Œã¦é¢ç™½ãã†ã ãªãƒ¼ã¨æ€ã£ãŸã®ã§WebSocketを使ã£ã¦å®Ÿç¾ã—ã¦ã¿ã¾ã—ãŸã€‚仕組ã¿ã«ã¤ã„ã¦ã¯ä»¥ä¸‹ã§èª¬æ˜Žã—ã¦ã„ãã¾ã™ãŒã€ç§ãŒå®Ÿç¾ã—ãŸæ–¹æ³•ã¯é™å®šçš„ã§å®Ÿç”¨æ€§ãŒä½Žã色々ã¨è¶³ã‚Šãªã„部分もã‚ã‚‹ã®ã§ã€è»½ã„æ°—æŒã¡ã§èªã‚“ã§é ‚ã‘ã‚‹ã¨ã‚ã‚ŠãŒãŸã„ã§ã™w 仕組ã¿ã®æ¦‚è¦ ãªãœWebSocketを使ã†ã®ã‹ 従æ¥ã€Webサーãƒã¨ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ(Webブラウザ)é–“ã§éžåŒæœŸã«é€šä¿¡ã™ã‚‹ã«ã¯XHR(XMLHttpRequest)を用ã„ã¦ãã¾ã—ãŸã€‚基本的ã«ã“ã®XHRã¯ä»¥ä¸‹ã®å›³ã®ã‚ˆã†ã«åŒä¸€ãƒ‰ãƒ¡ã‚¤ãƒ³ã¨ã—ã‹é€šä¿¡ã§ããªã„ã¨ã„ã†åˆ¶ç´„ãŒã‚ã‚Šã¾ã—ãŸã€‚*1 ã—ã‹ã—ã€WebSocketã®the Origin-based security modelã§ã¯ç•°ãªã‚‹ãƒ‰ãƒ¡ã‚¤ãƒ³ã¨ã‚‚通信ã™ã‚‹ã“ã¨ãŒå¯èƒ½ã«ãªã‚Šã¾ã™ã€‚WebSocketプãƒãƒˆã‚³ãƒ«ã§ã¯ã€ã‚µãƒ¼ãƒã¨ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆé–“ã§æŽ¥ç¶šã‚’確立ã™ã‚‹
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Last Week’s Top Ruby News: Rails 3.1.3, autoload deprecated, and conferences
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