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徒然ãªã‚‹ã¾ã¾ã«ãƒ»ãƒ»ãƒ» | Vol.5 ～Arrayクラス～
â—‹ コレクションクラス データã®é›†åˆã‚’扱ã†ãŸã‚ã®å½¢å¼ã§ã€ã‚ªãƒ–ジェクト指å‘言語ã§ã¯ 「コレクション〠ã¾ãŸã¯ 「コンテナ〠ã¨å‘¼ã°ã‚Œã‚‹ã€‚ Ruby ã§ã¯ Array クラス㨠Hasu クラスã¨ã„ㆠ2 種類ã®ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ãŒã‚¯ãƒ©ã‚¹ã¨ã—ã¦ç”¨æ„ã•ã‚Œã¦ã„る。 â—‹ Array クラス オブジェクトã®ä¸¦ã³é †ã‚’ä¿æŒã—ãŸã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ã‚¯ãƒ©ã‚¹ã§ã€ä¸€èˆ¬ã«é…列ã¨å‘¼ã°ã‚Œã‚‹ã‚‚ã®ã€‚ 0 ã‹ã‚‰å§‹ã¾ã‚‹ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã‚’使ã£ã¦ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’æ ¼ç´ã™ã‚‹ã€‚ â— é…列ã®ç”Ÿæˆ シンタックスシュガー >> array = Array.[] => [] >> array = [] => [] new ã«ã‚ˆã‚‹è¨˜è¿° >> array = Array.new => [] é…列ã«ã¯ã€æ§˜ã€…ãªã‚ªãƒ–ジェクトã®æ··åœ¨ãŒå¯èƒ½ >> array = [1, "two", ['one', 2], :four] => [1, "two", ['one', 2], :f
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英語＆英会話å¦ç¿’SNS開発記録 : vim上ã§refeを引ãã¨ã‚¨ãƒ©ãƒ¼ã‚’åãã®ã§ä¿®æ£ã€‚
2010å¹´12月18æ—¥17:55 カテゴリ vim上ã§refeを引ãã¨ã‚¨ãƒ©ãƒ¼ã‚’åãã®ã§ä¿®æ£ã€‚ refeã§ã®ã‚¨ãƒ©ãƒ¼ã‚’ä¿®æ£ã€‚refeã‚’vim上ã§ä½¿ã£ã¦ã„ã‚‹ã¨invalid value for Integer(): "#"invalid value for Integer(): "."invalid value for Integer(): ":"ç‰ã®ã‚¨ãƒ©ãƒ¼ã‚’åã„ã¦ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ãŒè¡¨ç¤ºã•ã‚Œãªã„時ãŒã‚る。ã“ã®ã‚¨ãƒ©ãƒ¼ã«å¯¾å¿œã€‚ ã“ã®ãƒ›ãƒ¼ãƒ ページをå‚考Ruby ReFe　エラー対応 ≪ ip-communityhttp://ip-com.host56.com/?p=717ã“ã®ãƒ›ãƒ¼ãƒ ページをã¿ã¦ã‚¨ãƒ©ãƒ¼ã‚’ç›´ã—ãŸãŒã€ã»ã‹ã«ã‚‚ä¼¼ãŸã‚ˆã†ãªã‚¨ãƒ©ãƒ¼ãŒå‡ºãŸã®ã§ã¡ã‚‡ã£ã¨è¿½åŠ 。ã»ã¨ã‚“ã©ä¸Šè¨˜ã®ãƒ›ãƒ¼ãƒ ページã®ä¿®æ£æ–¹æ³•ã¨ä¸€ç·’。 自分ãŒã‚„ã£ãŸã“ã¨ã¯Â エラーをåãã‚ャラクター事ã«elsifã‚’è¿½åŠ ã—ãŸã ã‘。■対処方法refeã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼
Rubyã®omni補完ãŒã§ããŸã‘ã©ã€ã€ŽCaught deadly signal SEGVã€ã§é »ç¹ã«è½ã¡ã‚‹ - é©å½“探訪
以å‰ã€vim7ã®omni補完ãŒã§ããªãã¦ã¯ã¾ã£ã¦ãŸã€‚ åŽŸå› ã¯vimをコンパイルã™ã‚‹ã¨ãã«Rubyインタプリタをå«ã‚ã¦ãªã‹ã£ãŸã‹ã‚‰ã ã£ãŸã€‚ ã§ã€ ./configure --enable-rubyinterpã¨ã—ãŸã†ãˆã§ã€makeã€make installã—ãŸã®ã ã‘ã© vim --versionã§ç¢ºèªã—ãŸã‚‰ã€RubyãŒfeaturesã«å…¥ã£ã¦ãªã‹ã£ãŸã€‚ ã¯ã¦ï¼Ÿã¨æ€ã£ã¦configureã®ãƒã‚°ã‚’見ã¦ã¿ãŸã‚‰ Rubyã®header fileãŒãªã„ã€ã¨ã„ã†ã®ãŒåŽŸå› らã—ã„ã“ã¨ãŒåˆ†ã‹ã£ãŸã€‚ header fileã£ã¦ãªã‚“ジャãƒï¼Ÿã¨æ€ã£ã¦èª¿ã¹ã¦ã€ã©ã†ã‚‚æ–°ãŸã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ãŒå¿…è¦ã‚‰ã—ã〠yum install ruby-develã§header fileファイルをインストールã§ããŸã€‚（OSã¯fedora5ã§ã™ï¼‰ ã§ã€ã¾ãŸconfigureã€makeã€make installã—ã¦, vim-rubyも入れã¦
Sapphire Bullet ãŠã¼ãˆãŒã：rubygemsãŒè¦‹ã¤ã‹ã‚‰ãªã„？
ä¹…ã—ã¶ã‚Šã«Twitterbotを作ã‚ã†ã¨æ€ã£ãŸã‚‰ã€ rubygemsã§ã¯ã¾ã£ãŸã€‚ ã¡ã‚‡ã£ã¨å‰ã¾ã§Tigerã®è¨˜äº‹ã‚’書ã„ã¦ã„ãŸã‘ã‚Œã©ã€ 新らã¼ã§ã€MacBookPro(Max OS X 10.6-Snow Leopard)を貸ã—ã¦ã‚‚らãˆãŸã®ã§ã€ もーãã‚Œã°ã£ã‹ã‚Šä½¿ã£ã¦ã„ã‚‹w 最åˆã«ã‚‚ã¡ã‚ã‚“Macportsã€Xcodeã‚ãŸã‚Šã¯å…¥ã‚ŒãŸã®ã ã‘ã©ã€ãã®ã‚㨠何も考ãˆãšã« -------------------- $sudo port install ruby -------------------- ã—ãŸã‚“ã ã¨æ€ã†ã€‚ãŸã¶ã‚“。２ヶ月ãらã„å‰ã®ã“ã¨ãªã®ã«ã‚‚ã†è¦šãˆã¦ãªã„w ã§ã€ãã®ã‚ã¨ä½•ã‚‚考ãˆãšã« -------------------- $sudo gem install oauth -------------------- ã¨ã‹ã‚„ã£ã¦ãŸã‚‰ã€ãれ使ã£ã¦æ›¸ã„ãŸRubyã®ã‚³ãƒ¼ãƒ‰ã‚’実行ã•ã›ã‚‹ã¨ãã«ã‚¨ãƒ©ãƒ¼ãŒç™ºç”Ÿ
Rails requires Rubygems but I have the gems
Update: I noticed that which ruby and whereis ruby reports back different locations: which ruby /opt/local/bin/ruby whereis ruby /usr/bin/ruby I recently upgraded ruby to ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin10] and I think I broke rails. When I attempt to load rails. I get an odd message: $ ruby script/server Rails requires RubyGems >= 1.3.2. Please install RubyGems and try again: h
Apacheã®ã‚¨ãƒ©ãƒ¼ï¼šCould not reliably determine the server’s fully qualified domain name…
Apacheã‚’å†èµ·å‹•ã—ãŸéš›ã«ã€ httpd: Could not reliably determine the server’s fully qualified domain name, using 127.0.0.1 for ServerName ã¨ã„ã†ã‚¨ãƒ©ãƒ¼ãŒå‡ºã‚‹å ´åˆãŒã‚る。 ã“ã‚Œã§ã‚‚èµ·å‹•ã¯ã™ã‚‹ã®ã§ã€Apache自体ã¯å‹•ãã®ã ãŒã€ã‚¨ãƒ©ãƒ¼ã‚’ãã®ã¾ã¾ã«ã—ã¦ãŠãã®ã¯æ°—æŒã¡ãŒæ‚ªã„ã—ã€ã‚ã¨ã‚ã¨å•é¡Œã‚’引ãèµ·ã“ã™å¯èƒ½æ€§ãŒé«˜ã„。 日本語訳をã™ã‚‹ã¨ ServerNameã«127.0.0.1を使用ã—ãŸã€FQDN（完全ã«é©åˆ‡ãªãƒ‰ãƒ¡ã‚¤ãƒ³å）ãŒç¢ºå®šã§ãã¾ã›ã‚“ã§ã—ãŸã€‚ ã¨ã„ã£ãŸæ„Ÿã˜ã‹ã€‚ ã“ã®ã‚¨ãƒ©ãƒ¼ã¯ã€/etc/hosts ã«localhost以外ã«è‡ªåˆ†ã§è¨å®šã—ãŸãƒ›ã‚¹ãƒˆåãŒã€Apacheã®è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã«å®šç¾©ã•ã‚Œã¦ã„ãªã„ãŸã‚ã«ç™ºç”Ÿã™ã‚‹ã€‚ # Do not remove the following line, or v
Nokogiri: A Faster, Better HTML and XML Parser for Ruby (than Hpricot)
Ruby Weekly is a weekly newsletter covering the latest Ruby and Rails news. Yesterday, Aaron Patterson (@tenderlove) and Mike Dalessio released Nokogiri (Github repository), a new HTML and XML parser for Ruby. It "parses and searches XML/HTML faster than Hpricot" (Hpricot being the current de facto Ruby HTML parser) and boasts XPath support, CSS3 selector support (a big deal, because CSS3 selector
rake db:createã§ã‚ャラクタセット関連ã£ã½ã„エラー - Aerialarts
MacPortsã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ãŸMySQL5を使用。 rake db:createã§æ¬¡ã®ã‚ˆã†ãªã‚¨ãƒ©ãƒ¼ãŒå‡ºãŸã€‚ Couldn't create database for {"reconnect"=>false, "encoding"=>"utf8", "username"=>***, "adapter"=>"mysql", "database"=>"TestApp_development", "host"=>"localhost", "pool"=>5, "password"=>***, "socket"=>"/opt/local/var/run/mysql5/mysqld.sock"}, charset: utf8, collation: utf8_general_ci (if you set the charset manually, make sure you have a matc
サクã£ã¨ly.com - Redmine 0.9.0 release candidate ã‚’CentOS 5.4ã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«
CentOS 5.4 ã« Redmine 0.9.0 release candidate ã‚’ã€ã‚µã‚¯ãƒƒã¨CentOS 5.3ã«Redmine + Passenger環境をインストールã®æ‰‹é †ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ã¿ãŸã‚‰ã€ä½•ç‚¹ã‹ãƒãƒžã£ãŸã®ã§ã“ã¡ã‚‰ã«è§£æ±ºæ³•ã‚’書ã„ã¦ãŠãã¾ã™ã€‚ Redmine 0.9.0 RC ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« 基本的ã«ã¯ã€ ・サクッã¨CentOS 5.3ã«Redmine + Passenger環境をインストール ã®æ‰‹é †ã§ã»ã¨ã‚“ã©å•é¡Œç„¡ãインストールを進ã‚ã‚‹ã“ã¨ãŒå‡ºæ¥ã¾ã™ã€‚ ã“ã®æ‰‹é †ã§ã†ã¾ãå‹•ã‹ãªã„箇所ãŒç™ºç”Ÿã™ã‚‹ã®ã¯ã€Redmineã®ã‚¹ã‚ーマをMySQLã«ä½œæˆã™ã‚‹éš›ã® # rake db:migrate RAILS_ENV="production" ã®éƒ¨åˆ†ã¨ãªã‚Šã¾ã™ã€‚ ã¾ãšã¯ã‚µã‚¯ãƒƒã¨CentOS 5.3ã«Redmine + Passenger環境をインストールã¨åŒã˜æ‰‹é †ã§ãã®ã¾ã¾ä¸Šè¨˜ã®
[Linux] CentOS5 RPMã®ãƒ‘ッケージを作ã£ã¦ã¿ã‚‹ – Tech Diary Blog
åŒã˜ã‚ˆã†ãªã‚µãƒ¼ãƒãƒ¼ã®è¨å®šã—ã¦ã„ã‚‹ã¨ã€ã•ã™ãŒã«é¢å€’ãã•ããªã£ã¦ãる。 ã¨ã„ã†ã‚ã‘ã§RPMパッケージã«ã—ã¦ã—ã¾ãŠã†ã€‚ パッケージ化ã®æ–¹æ³•ã«é–¢ã—ã¦ã¯æƒ…å ±ãŒãŸãã•ã‚“ã‚ã£ãŸã®ã§ã•ãã£ã¨ã§ããŸã€‚多è¬ã€‚ <textarea class="html" cols="60" rows="5" name="code"> wget ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.7-p174.tar.bz2 tar xfj ruby-1.8.7-p174.tar.bz2 cd ruby-1.8.7-p174 ./configure --prefix=/usr make </textarea>
ext/apache2/Hooks.cpp エラー | エラー対応
環境 liunx Ruby on Rails 2.3.5 twitter oauth 事象 twitter apiã§èªè¨¼å‡¦ç†ï¼ˆoauth）後　Internal Errorã«ãªã‚‹ apacheã®ã‚¨ãƒ©ãƒ¼ãƒã‚°ï¼ˆä¾‹ï¼š/var/log/httpd/error.log）を見る㨠[ pid=XXXX　 file=ext/apache2/Hooks.cpp:645 time=　　]: The backend application (process XXXX) did not send a valid HTTP response; instead, it sent nothing at all. It is possible that it has crashed; please check whether there are crashing bugs in this application. ã¨ã„ã†
Future Adapter – authlogic_oauth gotcha
I don’t want to imply by the title this is anyone’s fault but my own.  But since it took me two days to figure out, I thought I’d share. I’m using the excellent authentication package, authlogic, for my current project.  I want to allow normal registrations through my site and also registrations using Twitter credentials.  In an incremental way, I first implemented normal registrations.  I followe
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