rake db:migrate Please install the postgresql adapter: `gem install activerecord-postgresql-adapter` (pg is not part of the bundle. Add it to Gemfile.)Gemfileに追加 gem 'pg' sudo vi /etc/postgresql/8.4/main/pg_hba.conf 以下の行を変更 #loca…

/test/fixtures/table名.ymlを作成 # Read about fixtures at http://api.rubyonrails.org/classes/Fixtures.html one: opening_price: 9.99 low_price: 9.99 high_price: 9.99 closing_price: 9.99 average_price: 9.99 currency_type: 1 created_on: 2011-…

sudo add-apt-repository ppa:pitti/postgresql sudo apt-get update sudo apt-get install postgresql sudo apt-get install libpq-dev sudo apt-get autoremove sudo service postgresql restart postgreSQL9のためのpgadminの最新版はここからダウンロー…

heroku login :29:in `require': no such file to load -- readline (LoadError) from :29:in `require' from /usr/local/heroku/lib/heroku/command/run.rb:1:in `' from :29:in `require' from :29:in `require' from /usr/local/heroku/lib/heroku/comman…

apt-add-repository 'deb http://toolbelt.herokuapp.com/ubuntu ./' curl http://toolbelt.herokuapp.com/apt/release.key | apt-key add - gpg: 書込み可能な鍵輪が見つかりません: eof gpg: 「-」の読出しエラー: 一般的なエラー gpg: import from `-' fa…

rails s no such file to load -- opensslruby-1.9.2-p290/ext/opensslに移動 ruby extconf.rb コンパイルできない。 sudo apt-get install libssl-dev ruby extconf.rb make sudo make install

/usr/local/lib/ruby/gems/1.9.1/gems/execjs-1.2.8/lib/execjs/runtimes.rb:47:in `autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable) from …